/usr/include/libexif/exif-utils.h is in libexif-dev 0.6.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | /*! \file exif-utils.h
* \brief EXIF data manipulation functions and types
*/
/*
* Copyright (c) 2001 Lutz Mueller <lutz@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*/
#ifndef __EXIF_UTILS_H__
#define __EXIF_UTILS_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <libexif/exif-byte-order.h>
#include <libexif/exif-format.h>
#include <libexif/_stdint.h>
/* If these definitions don't work for you, please let us fix the
* macro generating _stdint.h */
/*! EXIF Unsigned Byte data type */
typedef unsigned char ExifByte; /* 1 byte */
/*! EXIF Signed Byte data type */
typedef signed char ExifSByte; /* 1 byte */
/*! EXIF Text String data type */
typedef char * ExifAscii;
/*! EXIF Unsigned Short data type */
typedef uint16_t ExifShort; /* 2 bytes */
/*! EXIF Signed Short data type */
typedef int16_t ExifSShort; /* 2 bytes */
/*! EXIF Unsigned Long data type */
typedef uint32_t ExifLong; /* 4 bytes */
/*! EXIF Signed Long data type */
typedef int32_t ExifSLong; /* 4 bytes */
/*! EXIF Unsigned Rational data type */
typedef struct {ExifLong numerator; ExifLong denominator;} ExifRational;
typedef char ExifUndefined; /* 1 byte */
/*! EXIF Signed Rational data type */
typedef struct {ExifSLong numerator; ExifSLong denominator;} ExifSRational;
/*! Retrieve an #ExifShort value from memory.
*
* \param[in] b pointer to raw EXIF value in memory
* \param[in] order byte order of raw value
* \return value
*/
ExifShort exif_get_short (const unsigned char *b, ExifByteOrder order);
/*! Retrieve an #ExifSShort value from memory.
*
* \param[in] b pointer to raw EXIF value in memory
* \param[in] order byte order of raw value
* \return value
*/
ExifSShort exif_get_sshort (const unsigned char *b, ExifByteOrder order);
/*! Retrieve an #ExifLong value from memory.
*
* \param[in] b pointer to raw EXIF value in memory
* \param[in] order byte order of raw value
* \return value
*/
ExifLong exif_get_long (const unsigned char *b, ExifByteOrder order);
/*! Retrieve an #ExifSLong value from memory.
*
* \param[in] b pointer to raw EXIF value in memory
* \param[in] order byte order of raw value
* \return value
*/
ExifSLong exif_get_slong (const unsigned char *b, ExifByteOrder order);
/*! Retrieve an #ExifRational value from memory.
*
* \param[in] b pointer to raw EXIF value in memory
* \param[in] order byte order of raw value
* \return value
*/
ExifRational exif_get_rational (const unsigned char *b, ExifByteOrder order);
/*! Retrieve an #ExifSRational value from memory.
*
* \param[in] b pointer to raw EXIF value in memory
* \param[in] order byte order of raw value
* \return value
*/
ExifSRational exif_get_srational (const unsigned char *b, ExifByteOrder order);
/*! Store an ExifShort value into memory in EXIF format.
*
* \param[out] b buffer in which to write raw value
* \param[in] order byte order to use
* \param[in] value data value to store
*/
void exif_set_short (unsigned char *b, ExifByteOrder order,
ExifShort value);
/*! Store an ExifSShort value into memory in EXIF format.
*
* \param[out] b buffer in which to write raw value
* \param[in] order byte order to use
* \param[in] value data value to store
*/
void exif_set_sshort (unsigned char *b, ExifByteOrder order,
ExifSShort value);
/*! Store an ExifLong value into memory in EXIF format.
*
* \param[out] b buffer in which to write raw value
* \param[in] order byte order to use
* \param[in] value data value to store
*/
void exif_set_long (unsigned char *b, ExifByteOrder order,
ExifLong value);
/*! Store an ExifSLong value into memory in EXIF format.
*
* \param[out] b buffer in which to write raw value
* \param[in] order byte order to use
* \param[in] value data value to store
*/
void exif_set_slong (unsigned char *b, ExifByteOrder order,
ExifSLong value);
/*! Store an ExifRational value into memory in EXIF format.
*
* \param[out] b buffer in which to write raw value
* \param[in] order byte order to use
* \param[in] value data value to store
*/
void exif_set_rational (unsigned char *b, ExifByteOrder order,
ExifRational value);
/*! Store an ExifSRational value into memory in EXIF format.
*
* \param[out] b buffer in which to write raw value
* \param[in] order byte order to use
* \param[in] value data value to store
*/
void exif_set_srational (unsigned char *b, ExifByteOrder order,
ExifSRational value);
/*! \internal */
void exif_convert_utf16_to_utf8 (char *out, const unsigned short *in, int maxlen);
/* Please do not use this function outside of the library. */
/*! \internal */
void exif_array_set_byte_order (ExifFormat, unsigned char *, unsigned int,
ExifByteOrder o_orig, ExifByteOrder o_new);
#undef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#undef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
/* For compatibility with older versions */
/*! \deprecated Use EXIF_TAG_SUB_SEC_TIME instead. */
#define EXIF_TAG_SUBSEC_TIME EXIF_TAG_SUB_SEC_TIME
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __EXIF_UTILS_H__ */
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