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<h2><span class="refentrytitle"><a name="IpatchFile.top_of_page"></a>IpatchFile</span></h2>
<p>IpatchFile — File abstraction object</p>
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<div class="refsect1" title="Stability Level">
<a name="IpatchFile.stability-level"></a><h2>Stability Level</h2>
Stable, unless otherwise indicated
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<div class="refsynopsisdiv" title="Synopsis">
<a name="IpatchFile.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
<a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a>;
<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a>;
<a
href="../libinstpatch/IpatchFile.html#IpatchFile-struct"
>IpatchFile</a>;
enum <a
href="../libinstpatch/IpatchFile.html#IpatchFileFlags"
>IpatchFileFlags</a>;
enum <a
href="../libinstpatch/IpatchFile.html#IpatchFileIdentifyOrder"
>IpatchFileIdentifyOrder</a>;
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-FILE-UNUSED-FLAG-SHIFT--CAPS"
>IPATCH_FILE_UNUSED_FLAG_SHIFT</a>
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-FILE-NEED-SWAP--CAPS"
>IPATCH_FILE_NEED_SWAP</a> (file)
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-FILE-BIG-ENDIAN--CAPS"
>IPATCH_FILE_BIG_ENDIAN</a> (file)
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-FILE-SWAP16--CAPS"
>IPATCH_FILE_SWAP16</a> (file, p16)
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-FILE-SWAP32--CAPS"
>IPATCH_FILE_SWAP32</a> (file, p32)
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-FILE-SWAP64--CAPS"
>IPATCH_FILE_SWAP64</a> (file, p64)
#define <a
href="../libinstpatch/IpatchFile.html#IPATCH-IS-FILE-HANDLE--CAPS"
>IPATCH_IS_FILE_HANDLE</a> (handle)
<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> * <a
href="../libinstpatch/IpatchFile.html#ipatch-file-new"
>ipatch_file_new</a> (void);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-name"
>ipatch_file_set_name</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
const char *file_name);
char * <a
href="../libinstpatch/IpatchFile.html#ipatch-file-get-name"
>ipatch_file_get_name</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);
<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> * <a
href="../libinstpatch/IpatchFile.html#ipatch-file-open"
>ipatch_file_open</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
const char *file_name,
const char *mode,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-assign-fd"
>ipatch_file_assign_fd</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
int fd,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> close_on_finalize);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-assign-io-channel"
>ipatch_file_assign_io_channel</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOChannel"
>GIOChannel</a> *iochan);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOChannel"
>GIOChannel</a> * <a
href="../libinstpatch/IpatchFile.html#ipatch-file-get-io-channel"
>ipatch_file_get_io_channel</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
int <a
href="../libinstpatch/IpatchFile.html#ipatch-file-get-fd"
>ipatch_file_get_fd</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-close"
>ipatch_file_close</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-get-position"
>ipatch_file_get_position</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-update-position"
>ipatch_file_update_position</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> offset);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read"
>ipatch_file_read</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-eof"
>ipatch_file_read_eof</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> *bytes_read,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write"
>ipatch_file_write</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gconstpointer"
>gconstpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
#define <a
href="../libinstpatch/IpatchFile.html#ipatch-file-skip"
>ipatch_file_skip</a> (handle, offset, err)
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-seek"
>ipatch_file_seek</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-seek-eof"
>ipatch_file_seek_eof</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
int <a
href="../libinstpatch/IpatchFile.html#ipatch-file-get-size"
>ipatch_file_get_size</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-identify"
>ipatch_file_identify</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-identify-by-ext"
>ipatch_file_identify_by_ext</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);
<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> * <a
href="../libinstpatch/IpatchFile.html#ipatch-file-identify-open"
>ipatch_file_identify_open</a> (const char *file_name,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-little-endian"
>ipatch_file_set_little_endian</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-big-endian"
>ipatch_file_set_big_endian</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-u8"
>ipatch_file_read_u8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-u16"
>ipatch_file_read_u16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-u32"
>ipatch_file_read_u32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-u64"
>ipatch_file_read_u64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-s8"
>ipatch_file_read_s8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-s16"
>ipatch_file_read_s16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-s32"
>ipatch_file_read_s32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-s64"
>ipatch_file_read_s64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-u8"
>ipatch_file_write_u8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-u16"
>ipatch_file_write_u16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-u32"
>ipatch_file_write_u32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-u64"
>ipatch_file_write_u64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-s8"
>ipatch_file_write_s8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-s16"
>ipatch_file_write_s16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-s32"
>ipatch_file_write_s32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-write-s64"
>ipatch_file_write_s64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-load"
>ipatch_file_buf_load</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read"
>ipatch_file_buf_read</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write"
>ipatch_file_buf_write</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gconstpointer"
>gconstpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size);
#define <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-zero"
>ipatch_file_buf_zero</a> (filebuf, size)
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-memset"
>ipatch_file_buf_memset</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
char c,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-commit"
>ipatch_file_buf_commit</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
#define <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-skip"
>ipatch_file_buf_skip</a> (filebuf, offset)
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-seek"
>ipatch_file_buf_seek</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-u8"
>ipatch_file_buf_read_u8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-u16"
>ipatch_file_buf_read_u16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-u32"
>ipatch_file_buf_read_u32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-u64"
>ipatch_file_buf_read_u64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-s8"
>ipatch_file_buf_read_s8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-s16"
>ipatch_file_buf_read_s16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-s32"
>ipatch_file_buf_read_s32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-read-s64"
>ipatch_file_buf_read_s64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-u8"
>ipatch_file_buf_write_u8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-u16"
>ipatch_file_buf_write_u16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-u32"
>ipatch_file_buf_write_u32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-u64"
>ipatch_file_buf_write_u64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-s8"
>ipatch_file_buf_write_s8</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-s16"
>ipatch_file_buf_write_s16</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-s32"
>ipatch_file_buf_write_s32</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-write-s64"
>ipatch_file_buf_write_s64</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> val);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-iofuncs-static"
>ipatch_file_set_iofuncs_static</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a> *funcs);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-iofuncs"
>ipatch_file_set_iofuncs</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
const <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a> *funcs);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-get-iofuncs"
>ipatch_file_get_iofuncs</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a> *out_funcs);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-iofuncs-null"
>ipatch_file_set_iofuncs_null</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-open-method"
>ipatch_file_default_open_method</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
const char *mode,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
void <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-close-method"
>ipatch_file_default_close_method</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-read-method"
>ipatch_file_default_read_method</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> *bytes_read,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-write-method"
>ipatch_file_default_write_method</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gconstpointer"
>gconstpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-seek-method"
>ipatch_file_default_seek_method</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
int <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-getfd-method"
>ipatch_file_default_getfd_method</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);
int <a
href="../libinstpatch/IpatchFile.html#ipatch-file-default-get-size-method"
>ipatch_file_default_get_size_method</a> (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);
</pre>
</div>
<div class="refsect1" title="Object Hierarchy">
<a name="IpatchFile.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"
>GObject</a>
+----<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a>
+----IpatchFile
+----<a
href="../libinstpatch/IpatchDLSFile.html"
>IpatchDLSFile</a>
+----<a
href="../libinstpatch/IpatchSF2File.html"
>IpatchSF2File</a>
+----<a
href="../libinstpatch/IpatchSndFile.html"
>IpatchSndFile</a>
</pre>
</div>
<div class="refsect1" title="Properties">
<a name="IpatchFile.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a
href="../libinstpatch/IpatchFile.html#IpatchFile--file-name"
>file-name</a>" <a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"
>gchar</a>* : Read / Write
</pre>
</div>
<div class="refsect1" title="Description">
<a name="IpatchFile.description"></a><h2>Description</h2>
<p>
Provides an abstraction of file data sources and file type identification.</p>
</div>
<div class="refsect1" title="Details">
<a name="IpatchFile.details"></a><h2>Details</h2>
<div class="refsect2" title="IpatchFileIOFuncs">
<a name="IpatchFileIOFuncs"></a><h3>IpatchFileIOFuncs</h3>
<pre class="programlisting">typedef struct {
gboolean (*open)(IpatchFileHandle *handle, const char *mode, GError **err);
void (*close)(IpatchFileHandle *handle);
GIOStatus (*read)(IpatchFileHandle *handle, gpointer buf, guint size,
guint *bytes_read, GError **err);
GIOStatus (*write)(IpatchFileHandle *handle, gconstpointer buf, guint size,
GError **err);
GIOStatus (*seek)(IpatchFileHandle *handle, int offset, GSeekType type, GError **err);
int (*getfd)(IpatchFileHandle *handle); /* optional get file descriptor method */
int (*get_size)(IpatchFile *file, GError **err); /* optional get size method */
} IpatchFileIOFuncs;
</pre>
</div>
<hr>
<div class="refsect2" title="IpatchFileHandle">
<a name="IpatchFileHandle"></a><h3>IpatchFileHandle</h3>
<pre class="programlisting">typedef struct {
IpatchFile *file; /* Parent file object */
guint position; /* Current file position */
GByteArray *buf; /* For buffered reads/writes */
guint buf_position; /* Current position in buffer */
GIOChannel *iochan; /* glib IO channel (default methods) */
gpointer data; /* iofuncs defined data */
} IpatchFileHandle;
</pre>
<p>
<a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a> handle for opening a file and reading/writing from/to it.</p>
</div>
<hr>
<div class="refsect2" title="IpatchFile">
<a name="IpatchFile-struct"></a><h3>IpatchFile</h3>
<pre class="programlisting">typedef struct _IpatchFile IpatchFile;</pre>
</div>
<hr>
<div class="refsect2" title="enum IpatchFileFlags">
<a name="IpatchFileFlags"></a><h3>enum IpatchFileFlags</h3>
<pre class="programlisting">typedef enum
{
IPATCH_FILE_FLAG_SWAP = 1 << (IPATCH_ITEM_UNUSED_FLAG_SHIFT),
IPATCH_FILE_FLAG_BIG_ENDIAN = 1 << (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 1),
IPATCH_FILE_FLAG_FREE_IOFUNCS = 1 << (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 2)
} IpatchFileFlags;
</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="IPATCH-FILE-FLAG-SWAP--CAPS"></a><span class="term"><code class="literal">IPATCH_FILE_FLAG_SWAP</code></span></p></td>
<td> Swap multi-byte numbers?
</td>
</tr>
<tr>
<td><p><a name="IPATCH-FILE-FLAG-BIG-ENDIAN--CAPS"></a><span class="term"><code class="literal">IPATCH_FILE_FLAG_BIG_ENDIAN</code></span></p></td>
<td> Big endian file?
</td>
</tr>
<tr>
<td><p><a name="IPATCH-FILE-FLAG-FREE-IOFUNCS--CAPS"></a><span class="term"><code class="literal">IPATCH_FILE_FLAG_FREE_IOFUNCS</code></span></p></td>
<td> Should ->iofuncs be freed?
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum IpatchFileIdentifyOrder">
<a name="IpatchFileIdentifyOrder"></a><h3>enum IpatchFileIdentifyOrder</h3>
<pre class="programlisting">typedef enum
{
IPATCH_FILE_IDENTIFY_ORDER_LAST = -10,
IPATCH_FILE_IDENTIFY_ORDER_DEFAULT = 0,
IPATCH_FILE_IDENTIFY_ORDER_FIRST = 10
} IpatchFileIdentifyOrder;
</pre>
<p>
Some helpful constants for the identify_order <span class="type">IpatchFileClass</span> field. Note
that any value can be used and this enum just provides some helpful values.
This value determines in what order file identification methods are called.
Higher values are executed first.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="IPATCH-FILE-IDENTIFY-ORDER-LAST--CAPS"></a><span class="term"><code class="literal">IPATCH_FILE_IDENTIFY_ORDER_LAST</code></span></p></td>
<td> Execute last (toward the end of the list)
</td>
</tr>
<tr>
<td><p><a name="IPATCH-FILE-IDENTIFY-ORDER-DEFAULT--CAPS"></a><span class="term"><code class="literal">IPATCH_FILE_IDENTIFY_ORDER_DEFAULT</code></span></p></td>
<td> Default execution order (no preference)
</td>
</tr>
<tr>
<td><p><a name="IPATCH-FILE-IDENTIFY-ORDER-FIRST--CAPS"></a><span class="term"><code class="literal">IPATCH_FILE_IDENTIFY_ORDER_FIRST</code></span></p></td>
<td> Execute first (toward the start of the list)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="IPATCH_FILE_UNUSED_FLAG_SHIFT">
<a name="IPATCH-FILE-UNUSED-FLAG-SHIFT--CAPS"></a><h3>IPATCH_FILE_UNUSED_FLAG_SHIFT</h3>
<pre class="programlisting">#define IPATCH_FILE_UNUSED_FLAG_SHIFT (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 6)
</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_FILE_NEED_SWAP()">
<a name="IPATCH-FILE-NEED-SWAP--CAPS"></a><h3>IPATCH_FILE_NEED_SWAP()</h3>
<pre class="programlisting">#define IPATCH_FILE_NEED_SWAP(file)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_FILE_BIG_ENDIAN()">
<a name="IPATCH-FILE-BIG-ENDIAN--CAPS"></a><h3>IPATCH_FILE_BIG_ENDIAN()</h3>
<pre class="programlisting">#define IPATCH_FILE_BIG_ENDIAN(file)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_FILE_SWAP16()">
<a name="IPATCH-FILE-SWAP16--CAPS"></a><h3>IPATCH_FILE_SWAP16()</h3>
<pre class="programlisting">#define IPATCH_FILE_SWAP16(file, p16)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_FILE_SWAP32()">
<a name="IPATCH-FILE-SWAP32--CAPS"></a><h3>IPATCH_FILE_SWAP32()</h3>
<pre class="programlisting">#define IPATCH_FILE_SWAP32(file, p32)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_FILE_SWAP64()">
<a name="IPATCH-FILE-SWAP64--CAPS"></a><h3>IPATCH_FILE_SWAP64()</h3>
<pre class="programlisting">#define IPATCH_FILE_SWAP64(file, p64)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_IS_FILE_HANDLE()">
<a name="IPATCH-IS-FILE-HANDLE--CAPS"></a><h3>IPATCH_IS_FILE_HANDLE()</h3>
<pre class="programlisting">#define IPATCH_IS_FILE_HANDLE(handle)</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_file_new ()">
<a name="ipatch-file-new"></a><h3>ipatch_file_new ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> * ipatch_file_new (void);</pre>
<p>
Create a new file object</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The new file object
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_set_name ()">
<a name="ipatch-file-set-name"></a><h3>ipatch_file_set_name ()</h3>
<pre class="programlisting">void ipatch_file_set_name (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
const char *file_name);</pre>
<p>
Sets the file name of a file object. Assigning the file name of an <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a>
object is optional, since a file descriptor could be assigned instead,
but some subsystems depend on it.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object to assign file name to
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>file_name</code></em> :</span></p></td>
<td> File name or <code class="literal">NULL</code> to unset the file name
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_get_name ()">
<a name="ipatch-file-get-name"></a><h3>ipatch_file_get_name ()</h3>
<pre class="programlisting">char * ipatch_file_get_name (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);</pre>
<p>
Gets the assigned file name from a file object.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object to get file name from
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The file name of the file object or <code class="literal">NULL</code> if not set. String
should be freed when finished with it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_open ()">
<a name="ipatch-file-open"></a><h3>ipatch_file_open ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> * ipatch_file_open (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
const char *file_name,
const char *mode,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Opens a handle to a file object. If a I/O channel or file descriptor is
already assigned (with <a
href="../libinstpatch/IpatchFile.html#ipatch-file-assign-fd"
><code class="function">ipatch_file_assign_fd()</code></a> or
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-assign-io-channel"
><code class="function">ipatch_file_assign_io_channel()</code></a>) then it is used instead of opening a file
using <em class="parameter"><code>file_name</code></em> or the already assigned <a
href="../libinstpatch/IpatchFile.html#IpatchFile--file-name"
><span class="type">"file-name"</span></a> property.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object to open from a file name.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>file_name</code></em> :</span></p></td>
<td> Name of file to open or <code class="literal">NULL</code> to use the file object's assigned
file name (in which case it should not be <code class="literal">NULL</code>).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mode</code></em> :</span></p></td>
<td> File open mode ("r" for read or "w" for write)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Error information
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> New file handle or <code class="literal">NULL</code> (in which case <em class="parameter"><code>err</code></em> may be set). The
returned file handle is not multi-thread safe, but the file can be opened
multiple times for this purpose.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_assign_fd ()">
<a name="ipatch-file-assign-fd"></a><h3>ipatch_file_assign_fd ()</h3>
<pre class="programlisting">void ipatch_file_assign_fd (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
int fd,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> close_on_finalize);</pre>
<p>
Assigns a file descriptor to a file, which gets used for calls to
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-open"
><code class="function">ipatch_file_open()</code></a>. Note that this means multiple opens will use the same
file descriptor and will therefore conflict, so it should only be used in the
case where the file object is used by a single exclusive handle.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>fd</code></em> :</span></p></td>
<td> File descriptor to assign to file object, or -1 to clear it
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>close_on_finalize</code></em> :</span></p></td>
<td> <code class="literal">TRUE</code> if the descriptor should be closed when <em class="parameter"><code>file</code></em> is
finalized, <code class="literal">FALSE</code> to leave it open
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_assign_io_channel ()">
<a name="ipatch-file-assign-io-channel"></a><h3>ipatch_file_assign_io_channel ()</h3>
<pre class="programlisting">void ipatch_file_assign_io_channel (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOChannel"
>GIOChannel</a> *iochan);</pre>
<p>
Assigns an I/O channel to a file, which gets used for calls to
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-open"
><code class="function">ipatch_file_open()</code></a>. Note that this means multiple opens will use the same
file descriptor and will therefore conflict, so it should only be used in the
case where the file object is used by a single exclusive handle.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iochan</code></em> :</span></p></td>
<td> IO channel to assign to <em class="parameter"><code>file</code></em> or <code class="literal">NULL</code> to clear it
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_get_io_channel ()">
<a name="ipatch-file-get-io-channel"></a><h3>ipatch_file_get_io_channel ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOChannel"
>GIOChannel</a> * ipatch_file_get_io_channel (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Get the glib IO channel object from a file handle. The caller owns a
reference to the returned io channel, and it should be unreferenced with
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#g-io-channel-unref"
><code class="function">g_io_channel_unref()</code></a> when finished with it.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> GIOChannel assigned to the <em class="parameter"><code>handle</code></em> or <code class="literal">NULL</code> if none (some
derived <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a> types might not use io channels). Remember to unref it
with <a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#g-io-channel-unref"
><code class="function">g_io_channel_unref()</code></a> when finished.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_get_fd ()">
<a name="ipatch-file-get-fd"></a><h3>ipatch_file_get_fd ()</h3>
<pre class="programlisting">int ipatch_file_get_fd (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Get the unix file descriptor associated with a file handle. Not all file
handles have a real OS file descriptor.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> File descriptor or -1 if not open or failed to get descriptor.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_close ()">
<a name="ipatch-file-close"></a><h3>ipatch_file_close ()</h3>
<pre class="programlisting">void ipatch_file_close (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Close a file handle and free it.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_get_position ()">
<a name="ipatch-file-get-position"></a><h3>ipatch_file_get_position ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> ipatch_file_get_position (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Gets the current position in a file handle. Note that this
might not be the actual position in the file if the file handle was
attached to an already open file or if <a
href="../libinstpatch/IpatchFile.html#ipatch-file-update-position"
><code class="function">ipatch_file_update_position()</code></a> is
used to set virtual positions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Position in file handle.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_update_position ()">
<a name="ipatch-file-update-position"></a><h3>ipatch_file_update_position ()</h3>
<pre class="programlisting">void ipatch_file_update_position (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> offset);</pre>
<p>
Adds an offset value to the position counter in a file handle. This can
be used if one is operating directly on the underlying file descriptor (i.e.,
not using the <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a> functions) or to add virtual space to the counter.
Adding virtual space is useful when a system uses the position counter to
write data (such as the RIFF parser) to act as a place holder for data that
isn't actually written (sample data for example).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td> Offset to add to the position counter (can be negative)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read ()">
<a name="ipatch-file-read"></a><h3>ipatch_file_read ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Reads data from a file handle. An end of file encountered while
trying to read the specified <em class="parameter"><code>size</code></em> of data is treated as an error.
If this is undesirable use <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read-eof"
><code class="function">ipatch_file_read_eof()</code></a> instead.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer to read data into
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Amount of data to read, in bytes.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> A location to return an error of type GIOChannelError or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success (the requested <em class="parameter"><code>size</code></em> of data was read), <code class="literal">FALSE</code>
otherwise
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_eof ()">
<a name="ipatch-file-read-eof"></a><h3>ipatch_file_read_eof ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> ipatch_file_read_eof (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> *bytes_read,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Reads data from a file handle. This function does not treat end of file
as an error and will return <span class="type">G_IO_STATUS_EOF</span> with the number of bytes
actually read in <em class="parameter"><code>bytes_read</code></em>. Use <a
href="../libinstpatch/IpatchFile.html#ipatch-file-read"
><code class="function">ipatch_file_read()</code></a> for convenience to
ensure actual number of requested bytes is read.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer to read data into
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Amount of data to read, in bytes.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes_read</code></em> :</span></p></td>
<td> Pointer to store number of bytes actually read or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> A location to return an error of type GIOChannelError or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The status of the operation
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write ()">
<a name="ipatch-file-write"></a><h3>ipatch_file_write ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gconstpointer"
>gconstpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Writes data to a file object.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer of data to write
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Amount of data to write, in bytes.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> A location to return an error of type GIOChannelError or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The status of the operation
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_skip()">
<a name="ipatch-file-skip"></a><h3>ipatch_file_skip()</h3>
<pre class="programlisting">#define ipatch_file_skip(handle, offset, err)</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_file_seek ()">
<a name="ipatch-file-seek"></a><h3>ipatch_file_seek ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_seek (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Seek in a file handle. An end of file condition is treated as an error, use
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-seek-eof"
><code class="function">ipatch_file_seek_eof()</code></a> if this is undesirable.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td> Offset in bytes to seek from the position specified by <em class="parameter"><code>type</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td> Position in file to seek from (see g_io_channel_seek_position
for more details, only <span class="type">G_SEEK_CUR</span> and <span class="type">G_SEEK_SET</span> allowed).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> A location to return error info or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_seek_eof ()">
<a name="ipatch-file-seek-eof"></a><h3>ipatch_file_seek_eof ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> ipatch_file_seek_eof (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Seek in a file object. Does not treat end of file as an error, use
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-seek"
><code class="function">ipatch_file_seek()</code></a> for convenience if this is desirable.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td> Offset in bytes to seek from the position specified by <em class="parameter"><code>type</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td> Position in file to seek from (see g_io_channel_seek_position
for more details, only G_SEEK_CUR and G_SEEK_SET allowed).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> A location to return error info or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The status of the operation
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_get_size ()">
<a name="ipatch-file-get-size"></a><h3>ipatch_file_get_size ()</h3>
<pre class="programlisting">int ipatch_file_get_size (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Get the size of a file object.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object to get size of
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error information
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> File size or -1 on error or if operation unsupported by this file
object (in which case <em class="parameter"><code>err</code></em> may be set)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_identify ()">
<a name="ipatch-file-identify"></a><h3>ipatch_file_identify ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> ipatch_file_identify (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Attempts to identify the type of a file using the "identify" method of
registered types derived from <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a>. The <a
href="../libinstpatch/IpatchFile.html#IpatchFile--file-name"
><span class="type">"file-name"</span></a> property
should already be assigned.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object to identify type of
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error information
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The first <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a> derived type that had an "identify" method
which returned <code class="literal">TRUE</code>, or 0 if unknown file type or error, in which
case error information will be stored in <em class="parameter"><code>err</code></em> provided its not <code class="literal">NULL</code>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_identify_by_ext ()">
<a name="ipatch-file-identify-by-ext"></a><h3>ipatch_file_identify_by_ext ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> ipatch_file_identify_by_ext (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);</pre>
<p>
Attempts to identify the type of a file using the "identify" method of
registered types derived from <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a>. The <a
href="../libinstpatch/IpatchFile.html#IpatchFile--file-name"
><span class="type">"file-name"</span></a> property
should already be assigned. Like <a
href="../libinstpatch/IpatchFile.html#ipatch-file-identify"
><code class="function">ipatch_file_identify()</code></a> but identifies a
file by its file name extension only.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object to identify type of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The first <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a> derived type that had an "identify" method
which returned <code class="literal">TRUE</code>, or 0 if unknown file type or error, in which
case error information will be stored in <em class="parameter"><code>err</code></em> provided its not <code class="literal">NULL</code>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_identify_open ()">
<a name="ipatch-file-identify-open"></a><h3>ipatch_file_identify_open ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> * ipatch_file_identify_open (const char *file_name,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
A convenience function which calls <a
href="../libinstpatch/IpatchFile.html#ipatch-file-identify"
><code class="function">ipatch_file_identify()</code></a> to determine the
file type of <em class="parameter"><code>file_name</code></em>. If the type is identified a new file object, of the
identified type, is created and the file is opened with
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-open"
><code class="function">ipatch_file_open()</code></a> in read mode.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file_name</code></em> :</span></p></td>
<td> File name to identify and open
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error of type GIOChannelError
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The new opened handle of the identified type or <code class="literal">NULL</code> if unable to
identify. Caller should free the handle with <a
href="../libinstpatch/IpatchFile.html#ipatch-file-close"
><code class="function">ipatch_file_close()</code></a> when done
using it, at which point the parent <a
href="../libinstpatch/IpatchFile.html"
><span class="type">IpatchFile</span></a> will be destroyed if no other
reference is held (by calling <code class="function">ipatch_file_handle_get_file()</code> for example).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_set_little_endian ()">
<a name="ipatch-file-set-little-endian"></a><h3>ipatch_file_set_little_endian ()</h3>
<pre class="programlisting">void ipatch_file_set_little_endian (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);</pre>
<p>
Sets the file object to little endian mode (the default mode).
If the system is big endian, byte swapping will be enabled
(see IPATCH_FILE_SWAPxx macros). The endian mode affects buffered
read and write functions that operate on multi-byte integers.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_set_big_endian ()">
<a name="ipatch-file-set-big-endian"></a><h3>ipatch_file_set_big_endian ()</h3>
<pre class="programlisting">void ipatch_file_set_big_endian (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);</pre>
<p>
Sets the file object to big endian mode (the default is little endian).
If the system is little endian, byte swapping will be enabled
(see IPATCH_FILE_SWAPxx macros). The endian mode affects buffered
read and write functions that operate on multi-byte integers.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_u8 ()">
<a name="ipatch-file-read-u8"></a><h3>ipatch_file_read_u8 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_u8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read an unsigned 8 bit integer from a file.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File to read from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_u16 ()">
<a name="ipatch-file-read-u16"></a><h3>ipatch_file_read_u16 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_u16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read an unsigned 16 bit integer from a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_u32 ()">
<a name="ipatch-file-read-u32"></a><h3>ipatch_file_read_u32 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_u32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read an unsigned 32 bit integer from a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_u64 ()">
<a name="ipatch-file-read-u64"></a><h3>ipatch_file_read_u64 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_u64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read an unsigned 64 bit integer from a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_s8 ()">
<a name="ipatch-file-read-s8"></a><h3>ipatch_file_read_s8 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_s8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read a signed 8 bit integer from a file.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_s16 ()">
<a name="ipatch-file-read-s16"></a><h3>ipatch_file_read_s16 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_s16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read a signed 16 bit integer from a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_s32 ()">
<a name="ipatch-file-read-s32"></a><h3>ipatch_file_read_s32 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_s32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read a signed 32 bit integer from a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_read_s64 ()">
<a name="ipatch-file-read-s64"></a><h3>ipatch_file_read_s64 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_read_s64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> *val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Read a signed 64 bit integer from a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Location to store value
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_u8 ()">
<a name="ipatch-file-write-u8"></a><h3>ipatch_file_write_u8 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_u8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write an unsigned 8 bit integer to a file.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_u16 ()">
<a name="ipatch-file-write-u16"></a><h3>ipatch_file_write_u16 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_u16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write an unsigned 16 bit integer to a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_u32 ()">
<a name="ipatch-file-write-u32"></a><h3>ipatch_file_write_u32 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_u32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write an unsigned 32 bit integer to a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_u64 ()">
<a name="ipatch-file-write-u64"></a><h3>ipatch_file_write_u64 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_u64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write an unsigned 64 bit integer to a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_s8 ()">
<a name="ipatch-file-write-s8"></a><h3>ipatch_file_write_s8 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_s8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write a signed 8 bit integer to a file.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_s16 ()">
<a name="ipatch-file-write-s16"></a><h3>ipatch_file_write_s16 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_s16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write a signed 16 bit integer to a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_s32 ()">
<a name="ipatch-file-write-s32"></a><h3>ipatch_file_write_s32 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_s32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write a signed 32 bit integer to a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_write_s64 ()">
<a name="ipatch-file-write-s64"></a><h3>ipatch_file_write_s64 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_write_s64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> val,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Write a signed 64 bit integer to a file and performs endian
byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to store
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_load ()">
<a name="ipatch-file-buf-load"></a><h3>ipatch_file_buf_load ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_buf_load (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Load data from a file into a buffer for error checking convenience.
I/O errors need only be checked on this function and not on the subsequent
buffered read function calls. It is an error if an end of file is
encountered before all the requested data is read.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filebuf</code></em> :</span></p></td>
<td> Initialized file buffer structure
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Size of data to load
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> on error.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read ()">
<a name="ipatch-file-buf-read"></a><h3>ipatch_file_buf_read ()</h3>
<pre class="programlisting">void ipatch_file_buf_read (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size);</pre>
<p>
Read data from a file handle's buffer and advance the buffer's current
position. A call to <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-load"
><code class="function">ipatch_file_buf_load()</code></a> must have been previously
executed and there must be enough remaining data in the buffer for the read.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data to read from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer to copy data to
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Amount of data to copy in bytes
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write ()">
<a name="ipatch-file-buf-write"></a><h3>ipatch_file_buf_write ()</h3>
<pre class="programlisting">void ipatch_file_buf_write (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gconstpointer"
>gconstpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size);</pre>
<p>
Write data to a file handle's buffer and advance the buffer's current position.
Data will not actually be written to file till <a
href="../libinstpatch/IpatchFile.html#ipatch-file-buf-commit"
><code class="function">ipatch_file_buf_commit()</code></a> is
called.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle to append buffered data to
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer to copy data from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Amount of data to copy in bytes
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_zero()">
<a name="ipatch-file-buf-zero"></a><h3>ipatch_file_buf_zero()</h3>
<pre class="programlisting">#define ipatch_file_buf_zero(filebuf, size)</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_memset ()">
<a name="ipatch-file-buf-memset"></a><h3>ipatch_file_buf_memset ()</h3>
<pre class="programlisting">void ipatch_file_buf_memset (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
char c,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size);</pre>
<p>
Sets the given <em class="parameter"><code>size</code></em> in bytes to the character <em class="parameter"><code>c</code></em> and advances the
current position. Buffer is expanded if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle to append buffered data to
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td> Character to write
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Size of data to set
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_commit ()">
<a name="ipatch-file-buf-commit"></a><h3>ipatch_file_buf_commit ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_buf_commit (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Writes all data in a file handle's buffer to the file and resets the
buffer to empty.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with buffered data to write
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Location to store error info or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_skip()">
<a name="ipatch-file-buf-skip"></a><h3>ipatch_file_buf_skip()</h3>
<pre class="programlisting">#define ipatch_file_buf_skip(filebuf, offset)</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_seek ()">
<a name="ipatch-file-buf-seek"></a><h3>ipatch_file_buf_seek ()</h3>
<pre class="programlisting">void ipatch_file_buf_seek (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type);</pre>
<p>
Seeks the current position in a file handle's buffer specified by an <em class="parameter"><code>offset</code></em>
and seek <em class="parameter"><code>type</code></em>. It is an error to seek outside of the current size of
buffered data (loaded or written). The <em class="parameter"><code>offset</code></em> is relative to the buffer,
not the file position.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td> Offset to seek
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td> Seek type
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_u8 ()">
<a name="ipatch-file-buf-read-u8"></a><h3>ipatch_file_buf_read_u8 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> ipatch_file_buf_read_u8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads an unsigned byte from a file buffer and advances the buffer's
current position.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_u16 ()">
<a name="ipatch-file-buf-read-u16"></a><h3>ipatch_file_buf_read_u16 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> ipatch_file_buf_read_u16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads an unsigned 16 bit word from a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_u32 ()">
<a name="ipatch-file-buf-read-u32"></a><h3>ipatch_file_buf_read_u32 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> ipatch_file_buf_read_u32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads an unsigned 32 bit word from a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_u64 ()">
<a name="ipatch-file-buf-read-u64"></a><h3>ipatch_file_buf_read_u64 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> ipatch_file_buf_read_u64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads an unsigned 64 bit word from a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_s8 ()">
<a name="ipatch-file-buf-read-s8"></a><h3>ipatch_file_buf_read_s8 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> ipatch_file_buf_read_s8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads a signed byte from a file buffer and advances the buffer's
current position.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_s16 ()">
<a name="ipatch-file-buf-read-s16"></a><h3>ipatch_file_buf_read_s16 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> ipatch_file_buf_read_s16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads a signed 16 bit word from a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_s32 ()">
<a name="ipatch-file-buf-read-s32"></a><h3>ipatch_file_buf_read_s32 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> ipatch_file_buf_read_s32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads a signed 32 bit word from a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_read_s64 ()">
<a name="ipatch-file-buf-read-s64"></a><h3>ipatch_file_buf_read_s64 ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> ipatch_file_buf_read_s64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Reads a signed 64 bit word from a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle with loaded data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_u8 ()">
<a name="ipatch-file-buf-write-u8"></a><h3>ipatch_file_buf_write_u8 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_u8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint8"
>guint8</a> val);</pre>
<p>
Writes an unsigned byte to a file buffer and advances the buffer's
current position. The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_u16 ()">
<a name="ipatch-file-buf-write-u16"></a><h3>ipatch_file_buf_write_u16 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_u16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> val);</pre>
<p>
Writes an unsigned 16 bit word to a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.
The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_u32 ()">
<a name="ipatch-file-buf-write-u32"></a><h3>ipatch_file_buf_write_u32 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_u32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> val);</pre>
<p>
Writes an unsigned 32 bit word to a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.
The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_u64 ()">
<a name="ipatch-file-buf-write-u64"></a><h3>ipatch_file_buf_write_u64 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_u64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"
>guint64</a> val);</pre>
<p>
Writes an unsigned 64 bit word to a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.
The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_s8 ()">
<a name="ipatch-file-buf-write-s8"></a><h3>ipatch_file_buf_write_s8 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_s8 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint8"
>gint8</a> val);</pre>
<p>
Writes a signed byte to a file buffer and advances the buffer's
current position. The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_s16 ()">
<a name="ipatch-file-buf-write-s16"></a><h3>ipatch_file_buf_write_s16 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_s16 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint16"
>gint16</a> val);</pre>
<p>
Writes a signed 16 bit word to a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.
The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_s32 ()">
<a name="ipatch-file-buf-write-s32"></a><h3>ipatch_file_buf_write_s32 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_s32 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> val);</pre>
<p>
Writes a signed 32 bit word to a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.
The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_buf_write_s64 ()">
<a name="ipatch-file-buf-write-s64"></a><h3>ipatch_file_buf_write_s64 ()</h3>
<pre class="programlisting">void ipatch_file_buf_write_s64 (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"
>gint64</a> val);</pre>
<p>
Writes a signed 64 bit word to a file buffer and advances the buffer's
current position. Performs endian byte swapping if necessary.
The file buffer is expanded if needed.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>val</code></em> :</span></p></td>
<td> Value to write into file buffer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_set_iofuncs_static ()">
<a name="ipatch-file-set-iofuncs-static"></a><h3>ipatch_file_set_iofuncs_static ()</h3>
<pre class="programlisting">void ipatch_file_set_iofuncs_static (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a> *funcs);</pre>
<p>
Sets the input/output functions of a file object using a statically
allocated (guaranteed to exist for lifetime of <em class="parameter"><code>file</code></em>) functions structure.
Setting these functions allows one to write custom data sources or hook
into other file functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>funcs</code></em> :</span></p></td>
<td> Static IO functions structure or <code class="literal">NULL</code> to set to defaults
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_set_iofuncs ()">
<a name="ipatch-file-set-iofuncs"></a><h3>ipatch_file_set_iofuncs ()</h3>
<pre class="programlisting">void ipatch_file_set_iofuncs (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
const <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a> *funcs);</pre>
<p>
Sets the input/output functions of a file object. The <em class="parameter"><code>funcs</code></em>
structure is duplicated so as not to use the original, see
<a
href="../libinstpatch/IpatchFile.html#ipatch-file-set-iofuncs-static"
><code class="function">ipatch_file_set_iofuncs_static()</code></a> for using a static structure.
Setting these functions allows one to write custom data sources or
hook into other file functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>funcs</code></em> :</span></p></td>
<td> IO functions structure or <code class="literal">NULL</code> to set to defaults
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_get_iofuncs ()">
<a name="ipatch-file-get-iofuncs"></a><h3>ipatch_file_get_iofuncs ()</h3>
<pre class="programlisting">void ipatch_file_get_iofuncs (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
>IpatchFileIOFuncs</a> *out_funcs);</pre>
<p>
Get the current IO functions from a file object. The function pointers
are stored in a user supplied structure pointed to by <em class="parameter"><code>out_funcs</code></em>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>out_funcs</code></em> :</span></p></td>
<td> Location to store current IO functions to
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_set_iofuncs_null ()">
<a name="ipatch-file-set-iofuncs-null"></a><h3>ipatch_file_set_iofuncs_null ()</h3>
<pre class="programlisting">void ipatch_file_set_iofuncs_null (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file);</pre>
<p>
Sets the I/O functions of a file object to /dev/null like methods.
Reading from the file will return 0s, writing/seeking will do nothing.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_open_method ()">
<a name="ipatch-file-default-open-method"></a><h3>ipatch_file_default_open_method ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_file_default_open_method (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
const char *mode,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Default "open" method for <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
><span class="type">IpatchFileIOFuncs</span></a>. Useful when overriding only
some I/O functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mode</code></em> :</span></p></td>
<td> File open mode
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Error info
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> otherwise
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_close_method ()">
<a name="ipatch-file-default-close-method"></a><h3>ipatch_file_default_close_method ()</h3>
<pre class="programlisting">void ipatch_file_default_close_method (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Default "close" method for <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
><span class="type">IpatchFileIOFuncs</span></a>. Useful when overriding only
some I/O functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_read_method ()">
<a name="ipatch-file-default-read-method"></a><h3>ipatch_file_default_read_method ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> ipatch_file_default_read_method (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> *bytes_read,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Default "read" method for <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
><span class="type">IpatchFileIOFuncs</span></a>. Useful when overriding only
some I/O functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer to store data to
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Size of data
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes_read</code></em> :</span></p></td>
<td> Number of bytes actually read
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Error info
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The status of the operation.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_write_method ()">
<a name="ipatch-file-default-write-method"></a><h3>ipatch_file_default_write_method ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> ipatch_file_default_write_method (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gconstpointer"
>gconstpointer</a> buf,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> size,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Default "write" method for <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
><span class="type">IpatchFileIOFuncs</span></a>. Useful when overriding only
some I/O functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td> Buffer to read data from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td> Size of data
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Error info
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The status of the operation.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_seek_method ()">
<a name="ipatch-file-default-seek-method"></a><h3>ipatch_file_default_seek_method ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GIOStatus"
>GIOStatus</a> ipatch_file_default_seek_method (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
int offset,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-IO-Channels.html#GSeekType"
>GSeekType</a> type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Default "seek" method for <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
><span class="type">IpatchFileIOFuncs</span></a>. Useful when overriding only
some I/O functions.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td> Offset (depends on seek <em class="parameter"><code>type</code></em>)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td> Seek type
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Error info
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The status of the operation.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_getfd_method ()">
<a name="ipatch-file-default-getfd-method"></a><h3>ipatch_file_default_getfd_method ()</h3>
<pre class="programlisting">int ipatch_file_default_getfd_method (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle);</pre>
<p>
Default "getfd" method for <a
href="../libinstpatch/IpatchFile.html#IpatchFileIOFuncs"
><span class="type">IpatchFileIOFuncs</span></a>. Useful when overriding only
some I/O functions. This method gets a unix file descriptor for the given
file object, it is an optional method.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Unix file descriptor or -1 if no file descriptor or error.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_file_default_get_size_method ()">
<a name="ipatch-file-default-get-size-method"></a><h3>ipatch_file_default_get_size_method ()</h3>
<pre class="programlisting">int ipatch_file_default_get_size_method (<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a> *file,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"
>GError</a> **err);</pre>
<p>
Default get file size method, which is optional.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> File object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>err</code></em> :</span></p></td>
<td> Error info
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> File size or -1 on error (in which case <em class="parameter"><code>err</code></em> may be set).
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" title="Property Details">
<a name="IpatchFile.property-details"></a><h2>Property Details</h2>
<div class="refsect2" title='The "file-name" property'>
<a name="IpatchFile--file-name"></a><h3>The <code class="literal">"file-name"</code> property</h3>
<pre class="programlisting"> "file-name" <a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"
>gchar</a>* : Read / Write</pre>
<p>File Name.</p>
<p>Default value: NULL</p>
</div>
</div>
</div>
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