/usr/include/hpdf_streams.h is in libhpdf-dev 2.2.1-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* << Haru Free PDF Library >> -- hpdf_streams.h
*
* URL: http://libharu.org
*
* Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
* Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
* It is provided "as is" without express or implied warranty.
*
* 2005.12.20 Created.
*
*/
#ifndef _HPDF_STREAMS_H
#define _HPDF_STREAMS_H
#include "hpdf_list.h"
#include "hpdf_encrypt.h"
#ifdef __cplusplus
extern "C" {
#endif
#define HPDF_STREAM_SIG_BYTES 0x5354524DL
typedef enum _HPDF_StreamType {
HPDF_STREAM_UNKNOWN = 0,
HPDF_STREAM_CALLBACK,
HPDF_STREAM_FILE,
HPDF_STREAM_MEMORY
} HPDF_StreamType;
#define HPDF_STREAM_FILTER_NONE 0x0000
#define HPDF_STREAM_FILTER_ASCIIHEX 0x0100
#define HPDF_STREAM_FILTER_ASCII85 0x0200
#define HPDF_STREAM_FILTER_FLATE_DECODE 0x0400
#define HPDF_STREAM_FILTER_DCT_DECODE 0x0800
typedef enum _HPDF_WhenceMode {
HPDF_SEEK_SET = 0,
HPDF_SEEK_CUR,
HPDF_SEEK_END
} HPDF_WhenceMode;
typedef struct _HPDF_Stream_Rec *HPDF_Stream;
typedef HPDF_STATUS
(*HPDF_Stream_Write_Func) (HPDF_Stream stream,
const HPDF_BYTE *ptr,
HPDF_UINT siz);
typedef HPDF_STATUS
(*HPDF_Stream_Read_Func) (HPDF_Stream stream,
HPDF_BYTE *ptr,
HPDF_UINT *siz);
typedef HPDF_STATUS
(*HPDF_Stream_Seek_Func) (HPDF_Stream stream,
HPDF_INT pos,
HPDF_WhenceMode mode);
typedef HPDF_INT32
(*HPDF_Stream_Tell_Func) (HPDF_Stream stream);
typedef void
(*HPDF_Stream_Free_Func) (HPDF_Stream stream);
typedef HPDF_UINT32
(*HPDF_Stream_Size_Func) (HPDF_Stream stream);
typedef struct _HPDF_MemStreamAttr_Rec *HPDF_MemStreamAttr;
typedef struct _HPDF_MemStreamAttr_Rec {
HPDF_List buf;
HPDF_UINT buf_siz;
HPDF_UINT w_pos;
HPDF_BYTE *w_ptr;
HPDF_UINT r_ptr_idx;
HPDF_UINT r_pos;
HPDF_BYTE *r_ptr;
} HPDF_MemStreamAttr_Rec;
typedef struct _HPDF_Stream_Rec {
HPDF_UINT32 sig_bytes;
HPDF_StreamType type;
HPDF_MMgr mmgr;
HPDF_Error error;
HPDF_UINT size;
HPDF_Stream_Write_Func write_fn;
HPDF_Stream_Read_Func read_fn;
HPDF_Stream_Seek_Func seek_fn;
HPDF_Stream_Free_Func free_fn;
HPDF_Stream_Tell_Func tell_fn;
HPDF_Stream_Size_Func size_fn;
void* attr;
} HPDF_Stream_Rec;
HPDF_Stream
HPDF_MemStream_New (HPDF_MMgr mmgr,
HPDF_UINT buf_siz);
HPDF_BYTE*
HPDF_MemStream_GetBufPtr (HPDF_Stream stream,
HPDF_UINT index,
HPDF_UINT *length);
HPDF_UINT
HPDF_MemStream_GetBufSize (HPDF_Stream stream);
HPDF_UINT
HPDF_MemStream_GetBufCount (HPDF_Stream stream);
HPDF_STATUS
HPDF_MemStream_Rewrite (HPDF_Stream stream,
HPDF_BYTE *buf,
HPDF_UINT size);
void
HPDF_MemStream_FreeData (HPDF_Stream stream);
HPDF_STATUS
HPDF_Stream_WriteToStream (HPDF_Stream src,
HPDF_Stream dst,
HPDF_UINT filter,
HPDF_Encrypt e);
HPDF_Stream
HPDF_FileReader_New (HPDF_MMgr mmgr,
const char *fname);
HPDF_Stream
HPDF_FileWriter_New (HPDF_MMgr mmgr,
const char *fname);
HPDF_Stream
HPDF_CallbackReader_New (HPDF_MMgr mmgr,
HPDF_Stream_Read_Func read_fn,
HPDF_Stream_Seek_Func seek_fn,
HPDF_Stream_Tell_Func tell_fn,
HPDF_Stream_Size_Func size_fn,
void* data);
HPDF_Stream
HPDF_CallbackWriter_New (HPDF_MMgr mmgr,
HPDF_Stream_Write_Func write_fn,
void* data);
void
HPDF_Stream_Free (HPDF_Stream stream);
HPDF_STATUS
HPDF_Stream_WriteChar (HPDF_Stream stream,
char value);
HPDF_STATUS
HPDF_Stream_WriteStr (HPDF_Stream stream,
const char *value);
HPDF_STATUS
HPDF_Stream_WriteUChar (HPDF_Stream stream,
HPDF_BYTE value);
HPDF_STATUS
HPDF_Stream_WriteInt (HPDF_Stream stream,
HPDF_INT value);
HPDF_STATUS
HPDF_Stream_WriteUInt (HPDF_Stream stream,
HPDF_UINT value);
HPDF_STATUS
HPDF_Stream_WriteReal (HPDF_Stream stream,
HPDF_REAL value);
HPDF_STATUS
HPDF_Stream_Write (HPDF_Stream stream,
const HPDF_BYTE *ptr,
HPDF_UINT size);
HPDF_STATUS
HPDF_Stream_Read (HPDF_Stream stream,
HPDF_BYTE *ptr,
HPDF_UINT *size);
HPDF_STATUS
HPDF_Stream_ReadLn (HPDF_Stream stream,
char *s,
HPDF_UINT *size);
HPDF_INT32
HPDF_Stream_Tell (HPDF_Stream stream);
HPDF_STATUS
HPDF_Stream_Seek (HPDF_Stream stream,
HPDF_INT pos,
HPDF_WhenceMode mode);
HPDF_BOOL
HPDF_Stream_EOF (HPDF_Stream stream);
HPDF_UINT32
HPDF_Stream_Size (HPDF_Stream stream);
HPDF_STATUS
HPDF_Stream_Flush (HPDF_Stream stream);
HPDF_STATUS
HPDF_Stream_WriteEscapeName (HPDF_Stream stream,
const char *value);
HPDF_STATUS
HPDF_Stream_WriteEscapeText2 (HPDF_Stream stream,
const char *text,
HPDF_UINT len);
HPDF_STATUS
HPDF_Stream_WriteEscapeText (HPDF_Stream stream,
const char *text);
HPDF_STATUS
HPDF_Stream_WriteBinary (HPDF_Stream stream,
const HPDF_BYTE *data,
HPDF_UINT len,
HPDF_Encrypt e);
HPDF_STATUS
HPDF_Stream_Validate (HPDF_Stream stream);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _HPDF_STREAMS_H */
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