This file is indexed.

/usr/include/cdio/bytesex.h is in libcdio-dev 0.83-4.2ubuntu1.

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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/*
    $Id: bytesex.h,v 1.5 2008/03/25 15:59:08 karl Exp $

    Copyright (C) 2000, 2004 Herbert Valerio Riedel <hvr@gnu.org>
    Copyright (C) 2005, 2008 Rocky Bernstein <rocky@gnu.org>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/** \file bytesex.h 
 *  \brief  Generic Byte-swapping routines.
 *
 *   Note: this header will is slated to get removed and libcdio will
 *   use glib.h routines instead.
*/

#ifndef __CDIO_BYTESEX_H__
#define __CDIO_BYTESEX_H__

#include <cdio/types.h>
#include <cdio/bytesex_asm.h>
#include <cdio/logging.h>

/** 16-bit big-endian to little-endian */
#define UINT16_SWAP_LE_BE_C(val) ((uint16_t) ( \
    (((uint16_t) (val) & (uint16_t) 0x00ffU) << 8) | \
    (((uint16_t) (val) & (uint16_t) 0xff00U) >> 8)))

/** 32-bit big-endian to little-endian */
#define UINT32_SWAP_LE_BE_C(val) ((uint32_t) ( \
    (((uint32_t) (val) & (uint32_t) 0x000000ffU) << 24) | \
    (((uint32_t) (val) & (uint32_t) 0x0000ff00U) <<  8) | \
    (((uint32_t) (val) & (uint32_t) 0x00ff0000U) >>  8) | \
    (((uint32_t) (val) & (uint32_t) 0xff000000U) >> 24)))

/** 64-bit big-endian to little-endian */
#define UINT64_SWAP_LE_BE_C(val) ((uint64_t) ( \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x00000000000000ff)) << 56) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x000000000000ff00)) << 40) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x0000000000ff0000)) << 24) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x00000000ff000000)) <<  8) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x000000ff00000000)) >>  8) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x0000ff0000000000)) >> 24) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0x00ff000000000000)) >> 40) | \
    (((uint64_t) (val) & (uint64_t) UINT64_C(0xff00000000000000)) >> 56)))

#ifndef UINT16_SWAP_LE_BE
# define UINT16_SWAP_LE_BE UINT16_SWAP_LE_BE_C
#endif

#ifndef UINT32_SWAP_LE_BE
# define UINT32_SWAP_LE_BE UINT32_SWAP_LE_BE_C
#endif

#ifndef UINT64_SWAP_LE_BE
# define UINT64_SWAP_LE_BE UINT64_SWAP_LE_BE_C
#endif

inline static 
uint16_t uint16_swap_le_be (const uint16_t val)
{
  return UINT16_SWAP_LE_BE (val);
}

inline static 
uint32_t uint32_swap_le_be (const uint32_t val)
{
  return UINT32_SWAP_LE_BE (val);
}

inline static 
uint64_t uint64_swap_le_be (const uint64_t val)
{
  return UINT64_SWAP_LE_BE (val);
}

# define UINT8_TO_BE(val)      ((uint8_t) (val))
# define UINT8_TO_LE(val)      ((uint8_t) (val))
#ifdef WORDS_BIGENDIAN
# define UINT16_TO_BE(val)     ((uint16_t) (val))
# define UINT16_TO_LE(val)     ((uint16_t) UINT16_SWAP_LE_BE(val))

# define UINT32_TO_BE(val)     ((uint32_t) (val))
# define UINT32_TO_LE(val)     ((uint32_t) UINT32_SWAP_LE_BE(val))

# define UINT64_TO_BE(val)     ((uint64_t) (val))
# define UINT64_TO_LE(val)     ((uint64_t) UINT64_SWAP_LE_BE(val))
#else
# define UINT16_TO_BE(val)     ((uint16_t) UINT16_SWAP_LE_BE(val))
# define UINT16_TO_LE(val)     ((uint16_t) (val))

# define UINT32_TO_BE(val)     ((uint32_t) UINT32_SWAP_LE_BE(val))
# define UINT32_TO_LE(val)     ((uint32_t) (val))

# define UINT64_TO_BE(val)     ((uint64_t) UINT64_SWAP_LE_BE(val))
# define UINT64_TO_LE(val)     ((uint64_t) (val))
#endif

/** symmetric conversions */
#define UINT8_FROM_BE(val)     (UINT8_TO_BE (val))
#define UINT8_FROM_LE(val)     (UINT8_TO_LE (val))
#define UINT16_FROM_BE(val)    (UINT16_TO_BE (val))
#define UINT16_FROM_LE(val)    (UINT16_TO_LE (val))
#define UINT32_FROM_BE(val)    (UINT32_TO_BE (val))
#define UINT32_FROM_LE(val)    (UINT32_TO_LE (val))
#define UINT64_FROM_BE(val)    (UINT64_TO_BE (val))
#define UINT64_FROM_LE(val)    (UINT64_TO_LE (val))

/** converter function template */
#define CVT_TO_FUNC(bits) \
 static inline uint ## bits ## _t \
 uint ## bits ## _to_be (uint ## bits ## _t val) \
 { return UINT ## bits ## _TO_BE (val); } \
 static inline uint ## bits ## _t \
 uint ## bits ## _to_le (uint ## bits ## _t val) \
 { return UINT ## bits ## _TO_LE (val); } \

CVT_TO_FUNC(8)
CVT_TO_FUNC(16)
CVT_TO_FUNC(32)
CVT_TO_FUNC(64)

#undef CVT_TO_FUNC

#define uint8_from_be(val)     (uint8_to_be (val))
#define uint8_from_le(val)     (uint8_to_le (val))
#define uint16_from_be(val)    (uint16_to_be (val))
#define uint16_from_le(val)    (uint16_to_le (val))
#define uint32_from_be(val)    (uint32_to_be (val))
#define uint32_from_le(val)    (uint32_to_le (val))
#define uint64_from_be(val)    (uint64_to_be (val))
#define uint64_from_le(val)    (uint64_to_le (val))

/** ISO9660-related field conversion routines */

/** Convert from uint8_t to ISO 9660 7.1.1 format */
#define to_711(i)   uint8_to_le(i)

/** Convert from ISO 9660 7.1.1 format to uint8_t */
#define from_711(i) uint8_from_le(i)

/** Convert from uint16_t to ISO 9669 7.2.1 format */
#define to_721(i)   uint16_to_le(i)

/** Convert from ISO 9660 7.2.1 format to uint16_t */
#define from_721(i) uint16_from_le(i)

/** Convert from uint16_t to ISO 9669 7.2.2 format */
#define to_722(i)   uint16_to_be(i)

/** Convert from ISO 9660 7.2.2 format to uint16_t */
#define from_722(i) uint16_from_be(i)

/** Convert from uint16_t to ISO 9669 7.2.3 format */
static inline uint32_t
to_723(uint16_t i)
{
  return uint32_swap_le_be(i) | i;
}

/** Convert from ISO 9660 7.2.3 format to uint16_t */
static inline uint16_t 
from_723 (uint32_t p)
{
  if (uint32_swap_le_be (p) != p)
    cdio_warn ("from_723: broken byte order");

  return (0xFFFF & p);
}

/** Convert from uint16_t to ISO 9669 7.3.1 format */
#define to_731(i)   uint32_to_le(i)

/** Convert from ISO 9660 7.3.1 format to uint32_t */
#define from_731(i) uint32_from_le(i)

/** Convert from uint32_t to ISO 9669 7.3.2 format */
#define to_732(i)   uint32_to_be(i)

/** Convert from ISO 9660 7.3.2 format to uint32_t */
#define from_732(i) uint32_from_be(i)

/** Convert from uint16_t to ISO 9669 7.3.3 format */
static inline uint64_t
to_733(uint32_t i)
{
  return uint64_swap_le_be(i) | i;
}

/** Convert from ISO 9660 7.3.3 format to uint32_t */
static inline uint32_t 
from_733 (uint64_t p)
{
  if (uint64_swap_le_be (p) != p)
    cdio_warn ("from_733: broken byte order");
    
  return (UINT32_C(0xFFFFFFFF) & p);
}

#endif /* __CDIO_BYTESEX_H__ */


/* 
 * Local variables:
 *  c-file-style: "gnu"
 *  tab-width: 8
 *  indent-tabs-mode: nil
 * End:
 */