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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
|
/*
$Id: types.h,v 1.37 2008/03/25 15:59:09 karl Exp $
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2008
Rocky Bernstein <rocky@gnu.org>
Copyright (C) 2000 Herbert Valerio Riedel <hvr@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 types.h
* \brief Common type definitions used pervasively in libcdio.
*/
#ifndef __CDIO_TYPES_H__
#define __CDIO_TYPES_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef EXTERNAL_LIBCDIO_CONFIG_H
#define EXTERNAL_LIBCDIO_CONFIG_H
#include <cdio/cdio_config.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
/* provide some C99 definitions */
#if defined(HAVE_SYS_TYPES_H)
#include <sys/types.h>
#endif
#if defined(HAVE_STDINT_H)
# include <stdint.h>
#elif defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#elif defined(AMIGA) || defined(__linux__)
typedef u_int8_t uint8_t;
typedef u_int16_t uint16_t;
typedef u_int32_t uint32_t;
typedef u_int64_t uint64_t;
#else
/* warning ISO/IEC 9899:1999 <stdint.h> was missing and even <inttypes.h> */
/* fixme */
#endif /* HAVE_STDINT_H */
typedef uint8_t ubyte;
/* default HP/UX macros are broken */
#if defined(__hpux__)
# undef UINT16_C
# undef UINT32_C
# undef UINT64_C
# undef INT64_C
#endif
/* if it's still not defined, take a good guess... should work for
most 32bit and 64bit archs */
#ifndef UINT16_C
# define UINT16_C(c) c ## U
#endif
#ifndef UINT32_C
# if defined (SIZEOF_INT) && SIZEOF_INT == 4
# define UINT32_C(c) c ## U
# elif defined (SIZEOF_LONG) && SIZEOF_LONG == 4
# define UINT32_C(c) c ## UL
# else
# define UINT32_C(c) c ## U
# endif
#endif
#ifndef UINT64_C
# if defined (SIZEOF_LONG) && SIZEOF_LONG == 8
# define UINT64_C(c) c ## UL
# elif defined (SIZEOF_INT) && SIZEOF_INT == 8
# define UINT64_C(c) c ## U
# else
# define UINT64_C(c) c ## ULL
# endif
#endif
#ifndef INT64_C
# if defined (SIZEOF_LONG) && SIZEOF_LONG == 8
# define INT64_C(c) c ## L
# elif defined (SIZEOF_INT) && SIZEOF_INT == 8
# define INT64_C(c) c
# else
# define INT64_C(c) c ## LL
# endif
#endif
#ifndef __cplusplus
# if defined(HAVE_STDBOOL_H)
# include <stdbool.h>
# else
/* ISO/IEC 9899:1999 <stdbool.h> missing -- enabling workaround */
# define false 0
# define true 1
# define bool uint8_t
# endif /*HAVE_STDBOOL_H*/
#endif /*C++*/
/* some GCC optimizations -- gcc 2.5+ */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
#define GNUC_PRINTF( format_idx, arg_idx ) \
__attribute__((format (printf, format_idx, arg_idx)))
#define GNUC_SCANF( format_idx, arg_idx ) \
__attribute__((format (scanf, format_idx, arg_idx)))
#define GNUC_FORMAT( arg_idx ) \
__attribute__((format_arg (arg_idx)))
#define GNUC_NORETURN \
__attribute__((noreturn))
#define GNUC_CONST \
__attribute__((const))
#define GNUC_UNUSED \
__attribute__((unused))
#define GNUC_PACKED \
__attribute__((packed))
#else /* !__GNUC__ */
#define GNUC_PRINTF( format_idx, arg_idx )
#define GNUC_SCANF( format_idx, arg_idx )
#define GNUC_FORMAT( arg_idx )
#define GNUC_NORETURN
#define GNUC_CONST
#define GNUC_UNUSED
#define GNUC_PACKED
#endif /* !__GNUC__ */
#if defined(__GNUC__)
/* for GCC we try to use GNUC_PACKED */
# define PRAGMA_BEGIN_PACKED
# define PRAGMA_END_PACKED
#elif defined(HAVE_ISOC99_PRAGMA)
/* should work with most EDG-frontend based compilers */
# define PRAGMA_BEGIN_PACKED _Pragma("pack(1)")
# define PRAGMA_END_PACKED _Pragma("pack()")
#else /* neither gcc nor _Pragma() available... */
/* ...so let's be naive and hope the regression testsuite is run... */
# define PRAGMA_BEGIN_PACKED
# define PRAGMA_END_PACKED
#endif
/*
* user directed static branch prediction gcc 2.96+
*/
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95)
# define GNUC_LIKELY(x) __builtin_expect((x),true)
# define GNUC_UNLIKELY(x) __builtin_expect((x),false)
#else
# define GNUC_LIKELY(x) (x)
# define GNUC_UNLIKELY(x) (x)
#endif
#ifndef NULL
# define NULL ((void*) 0)
#endif
/* our own offsetof()-like macro */
#define __cd_offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
/*!
\brief MSF (minute/second/frame) structure
One CD-ROMs addressing scheme especially used in audio formats
(Red Book) is an address by minute, sector and frame which
BCD-encoded in three bytes. An alternative format is an lba_t.
Note: the fields in this structure are BCD encoded. Use
cdio_to_bcd8() or cdio_from_bcd8() to convert an integer into or
out of this format. The format specifier %x (not %d) can be used
if you need to format or print values in this structure.
@see lba_t
*/
PRAGMA_BEGIN_PACKED
struct msf_s {
uint8_t m, s, f; /* BCD encoded! */
} GNUC_PACKED;
PRAGMA_END_PACKED
typedef struct msf_s msf_t;
#define msf_t_SIZEOF 3
/*!
\brief UTF-8 char definition
Type to denote UTF-8 strings.
*/
typedef char cdio_utf8_t;
typedef enum {
nope = 0,
yep = 1,
dunno = 2
} bool_3way_t;
/* type used for bit-fields in structs (1 <= bits <= 8) */
#if defined(__GNUC__)
/* this is strict ISO C99 which allows only 'unsigned int', 'signed
int' and '_Bool' explicitly as bit-field type */
typedef unsigned int bitfield_t;
#else
/* other compilers might increase alignment requirements to match the
'unsigned int' type -- fixme: find out how unalignment accesses can
be pragma'ed on non-gcc compilers */
typedef uint8_t bitfield_t;
#endif
/*! The type of a Logical Block Address. We allow for an lba to be
negative to be consistent with an lba, although I'm not sure this
this is possible.
*/
typedef int32_t lba_t;
/*! The type of a Logical Sector Number. Note that an lba can be negative
and the MMC3 specs allow for a conversion of a negative lba.
@see msf_t
*/
typedef int32_t lsn_t;
/* Address in either MSF or logical format */
union cdio_cdrom_addr
{
msf_t msf;
lba_t lba;
};
/*! The type of a track number 0..99. */
typedef uint8_t track_t;
/*! The type of a session number 0..99. */
typedef uint8_t session_t;
/*!
Constant for invalid session number
*/
#define CDIO_INVALID_SESSION 0xFF
/*!
Constant for invalid LBA. It is 151 less than the most negative
LBA -45150. This provide slack for the 150-frame offset in
LBA to LSN 150 conversions
*/
#define CDIO_INVALID_LBA -45301
/*!
Constant for invalid LSN
*/
#define CDIO_INVALID_LSN CDIO_INVALID_LBA
/*!
Number of ASCII bytes in a media catalog number (MCN).
*/
#define CDIO_MCN_SIZE 13
/*!
Type to hold ASCII bytes in a media catalog number (MCN).
We include an extra 0 byte so these can be used as C strings.
*/
typedef char cdio_mcn_t[CDIO_MCN_SIZE+1];
/*!
Number of ASCII bytes in International Standard Recording Codes (ISRC)
*/
#define CDIO_ISRC_SIZE 12
/*!
Type to hold ASCII bytes in a media catalog number (MCN).
We include an extra 0 byte so these can be used as C strings.
*/
typedef char cdio_isrc_t[CDIO_ISRC_SIZE+1];
typedef int cdio_fs_anal_t;
/*!
track flags
Q Sub-channel Control Field (4.2.3.3)
*/
typedef enum {
CDIO_TRACK_FLAG_NONE = 0x00, /**< no flags set */
CDIO_TRACK_FLAG_PRE_EMPHASIS = 0x01, /**< audio track recorded with
pre-emphasis */
CDIO_TRACK_FLAG_COPY_PERMITTED = 0x02, /**< digital copy permitted */
CDIO_TRACK_FLAG_DATA = 0x04, /**< data track */
CDIO_TRACK_FLAG_FOUR_CHANNEL_AUDIO = 0x08, /**< 4 audio channels */
CDIO_TRACK_FLAG_SCMS = 0x10 /**< SCMS (5.29.2.7) */
} cdio_track_flag;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CDIO_TYPES_H__ */
/*
* Local variables:
* c-file-style: "gnu"
* tab-width: 8
* indent-tabs-mode: nil
* End:
*/
|
