vlc_fixups.h 8.45 KB
Newer Older
1
/*****************************************************************************
Pere Orga's avatar
Pere Orga committed
2
 * vlc_fixups.h: portability fixups included from config.h
3
 *****************************************************************************
4
 * Copyright © 1998-2008 the VideoLAN project
5
 *
Jean-Baptiste Kempf's avatar
LGPL    
Jean-Baptiste Kempf committed
6
7
8
 * This program 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 2.1 of the License, or
9
10
11
12
 * (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
Jean-Baptiste Kempf's avatar
LGPL    
Jean-Baptiste Kempf committed
13
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
15
 *
Jean-Baptiste Kempf's avatar
LGPL    
Jean-Baptiste Kempf committed
16
17
18
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19
20
21
22
23
24
25
 *****************************************************************************/

/**
 * \file
 * This file is a collection of portability fixes
 */

26
27
28
#ifndef LIBVLC_FIXUPS_H
# define LIBVLC_FIXUPS_H 1

29
30
/* C++11 says there's no need to define __STDC_*_MACROS when including
 * inttypes.h and stdint.h. */
31
32
33
34
35
36
37
38
39
40
#if defined (__cplusplus) && (!defined(HAVE_CXX11) || defined(__MINGW32__))
# ifndef __STDC_FORMAT_MACROS
#  define __STDC_FORMAT_MACROS 1
# endif
# ifndef __STDC_CONSTANT_MACROS
#  define __STDC_CONSTANT_MACROS 1
# endif
# ifndef __STDC_LIMIT_MACROS
#  define __STDC_LIMIT_MACROS 1
# endif
41
42
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
43
44
45
46
47
48
49
50
51
52
53
54
#if !defined (HAVE_GMTIME_R) || !defined (HAVE_LOCALTIME_R)
# include <time.h> /* time_t */
#endif

#ifndef HAVE_LLDIV
typedef struct
{
    long long quot; /* Quotient. */
    long long rem;  /* Remainder. */
} lldiv_t;
#endif

55
56
#if !defined(HAVE_GETENV) || \
    !defined(HAVE_USELOCALE)
Rafaël Carré's avatar
Rafaël Carré committed
57
# include <stddef.h> /* NULL */
58
59
#endif

60
#if !defined (HAVE_REWIND) || \
61
    !defined (HAVE_GETDELIM)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
62
63
64
# include <stdio.h> /* FILE */
#endif

65
66
#if !defined (HAVE_POSIX_MEMALIGN) || \
    !defined (HAVE_STRLCPY) || \
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
67
    !defined (HAVE_STRNDUP) || \
68
    !defined (HAVE_STRNLEN)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
69
70
71
72
73
74
75
# include <stddef.h> /* size_t */
#endif

#ifndef HAVE_VASPRINTF
# include <stdarg.h> /* va_list */
#endif

76
#if !defined (HAVE_GETDELIM) || \
77
78
79
    !defined (HAVE_GETPID)   || \
    !defined (HAVE_SWAB)
# include <sys/types.h> /* ssize_t, pid_t */
80
81
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
82
83
#if !defined (HAVE_DIRFD) || \
    !defined (HAVE_FDOPENDIR)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
84
85
86
# include <dirent.h>
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
87
#ifdef __cplusplus
88
# define VLC_NOTHROW throw ()
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
89
extern "C" {
90
91
#else
# define VLC_NOTHROW
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
92
93
#endif

94
95
96
97
98
/* stdio.h */
#ifndef HAVE_ASPRINTF
int asprintf (char **, const char *, ...);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
99
100
101
102
103
104
105
106
107
108
#ifndef HAVE_FLOCKFILE
void flockfile (FILE *);
int ftrylockfile (FILE *);
void funlockfile (FILE *);
int getc_unlocked (FILE *);
int getchar_unlocked (void);
int putc_unlocked (int, FILE *);
int putchar_unlocked (int);
#endif

109
#ifndef HAVE_GETDELIM
110
111
112
113
114
115
ssize_t getdelim (char **, size_t *, int, FILE *);
ssize_t getline (char **, size_t *, FILE *);
#endif

#ifndef HAVE_REWIND
void rewind (FILE *);
116
117
118
#endif

#ifndef HAVE_VASPRINTF
119
int vasprintf (char **, const char *, va_list);
120
121
#endif

122
/* string.h */
123
124
125
126
#ifndef HAVE_FFSLL
int ffsll(unsigned long long);
#endif

127
128
129
130
131
132
133
134
135
136
137
138
#ifndef HAVE_STRCASECMP
int strcasecmp (const char *, const char *);
#endif

#ifndef HAVE_STRCASESTR
char *strcasestr (const char *, const char *);
#endif

#ifndef HAVE_STRDUP
char *strdup (const char *);
#endif

139
140
141
142
#ifndef HAVE_STRVERSCMP
int strverscmp (const char *, const char *);
#endif

143
#ifndef HAVE_STRNLEN
144
size_t strnlen (const char *, size_t);
145
146
#endif

François Cartegnie's avatar
François Cartegnie committed
147
148
149
150
#ifndef HAVE_STRNSTR
char * strnstr (const char *, const char *, size_t);
#endif

151
#ifndef HAVE_STRNDUP
152
char *strndup (const char *, size_t);
153
154
155
#endif

#ifndef HAVE_STRLCPY
156
size_t strlcpy (char *, const char *, size_t);
157
158
#endif

159
160
#ifndef HAVE_STRSEP
char *strsep (char **, const char *);
161
#endif
162
163
164

#ifndef HAVE_STRTOK_R
char *strtok_r(char *, const char *, char **);
165
#endif
166

167
/* stdlib.h */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
168
#ifndef HAVE_ATOF
169
#ifndef __ANDROID__
170
double atof (const char *);
171
#endif
172
#endif
173

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
174
#ifndef HAVE_ATOLL
175
long long atoll (const char *);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
176
177
#endif

178
#ifndef HAVE_LLDIV
179
lldiv_t lldiv (long long, long long);
180
181
#endif

182
183
184
#ifndef HAVE_STRTOF
#ifndef __ANDROID__
float strtof (const char *, char **);
185
186
187
#endif
#endif

188
189
#ifndef HAVE_STRTOLL
long long int strtoll (const char *, char **, int);
190
191
#endif

192
/* time.h */
193
194
195
#ifndef HAVE_GMTIME_R
struct tm *gmtime_r (const time_t *, struct tm *);
#endif
196

197
198
199
#ifndef HAVE_LOCALTIME_R
struct tm *localtime_r (const time_t *, struct tm *);
#endif
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
200

201
/* unistd.h */
202
#ifndef HAVE_GETPID
203
pid_t getpid (void) VLC_NOTHROW;
204
205
#endif

206
207
208
209
#ifndef HAVE_FSYNC
int fsync (int fd);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
210
211
/* dirent.h */
#ifndef HAVE_DIRFD
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
212
int (dirfd) (DIR *);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
213
214
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
215
216
217
218
#ifndef HAVE_FDOPENDIR
DIR *fdopendir (int);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
219
220
221
222
#ifdef __cplusplus
} /* extern "C" */
#endif

223
/* stdlib.h */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
224
225
226
227
228
229
230
231
#ifndef HAVE_GETENV
static inline char *getenv (const char *name)
{
    (void)name;
    return NULL;
}
#endif

232
233
234
235
236
#ifndef HAVE_SETENV
int setenv (const char *, const char *, int);
int unsetenv (const char *);
#endif

237
238
239
240
#ifndef HAVE_POSIX_MEMALIGN
int posix_memalign (void **, size_t, size_t);
#endif

241
/* locale.h */
242
#ifndef HAVE_USELOCALE
243
#define LC_ALL_MASK      0
244
245
#define LC_NUMERIC_MASK  0
#define LC_MESSAGES_MASK 0
246
#define LC_GLOBAL_LOCALE ((locale_t)(uintptr_t)1)
247
typedef void *locale_t;
248
249
static inline locale_t uselocale(locale_t loc)
{
250
    (void)loc;
251
252
253
254
    return NULL;
}
static inline void freelocale(locale_t loc)
{
255
    (void)loc;
256
}
257
static inline locale_t newlocale(int mask, const char * locale, locale_t base)
258
{
259
    (void)mask; (void)locale; (void)base;
260
261
    return NULL;
}
262
263
#endif

264
#if !defined (HAVE_STATIC_ASSERT) && !defined(__cpp_static_assert)
265
266
267
268
# define _Static_assert(x, s) ((void) sizeof (struct { unsigned:-!(x); }))
# define static_assert _Static_assert
#endif

269
270
271
272
273
274
275
/* Alignment of critical static data structures */
#ifdef ATTRIBUTE_ALIGNED_MAX
#   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
#else
#   define ATTR_ALIGN(align)
#endif

276
/* libintl support */
277
278
#define _(str)            vlc_gettext (str)
#define N_(str)           gettext_noop (str)
279
280
#define gettext_noop(str) (str)

281
282
283
284
#ifdef __cplusplus
extern "C" {
#endif

285
286
287
288
#ifndef HAVE_SWAB
void swab (const void *, void *, ssize_t);
#endif

289
290
/* Socket stuff */
#ifndef HAVE_INET_PTON
291
292
int inet_pton(int, const char *, void *);
const char *inet_ntop(int, const void *, char *, int);
293
294
#endif

295
#ifndef HAVE_STRUCT_POLLFD
296
297
enum
{
298
299
300
301
302
303
304
305
    POLLERR=0x1,
    POLLHUP=0x2,
    POLLNVAL=0x4,
    POLLWRNORM=0x10,
    POLLWRBAND=0x20,
    POLLRDNORM=0x100,
    POLLRDBAND=0x200,
    POLLPRI=0x400,
306
};
307
308
#define POLLIN  (POLLRDNORM|POLLRDBAND)
#define POLLOUT (POLLWRNORM|POLLWRBAND)
309
310
311
312
313
314
315

struct pollfd
{
    int fd;
    unsigned events;
    unsigned revents;
};
316
#endif
317
318
319
320
#ifndef HAVE_POLL
struct pollfd;
int poll (struct pollfd *, unsigned, int);
#endif
321

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
322
#ifndef HAVE_IF_NAMEINDEX
323
#include <errno.h>
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
324
325
326
327
328
struct if_nameindex
{
    unsigned if_index;
    char    *if_name;
};
329
330
331
# ifndef HAVE_IF_NAMETOINDEX
#  define if_nametoindex(name)   atoi(name)
# endif
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
332
333
334
335
# define if_nameindex()         (errno = ENOBUFS, NULL)
# define if_freenameindex(list) (void)0
#endif

336
/* search.h */
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
#ifndef HAVE_SEARCH_H
typedef struct entry {
    char *key;
    void *data;
} ENTRY;

typedef enum {
    FIND, ENTER
} ACTION;

typedef enum {
    preorder,
    postorder,
    endorder,
    leaf
} VISIT;

void *tsearch( const void *key, void **rootp, int(*cmp)(const void *, const void *) );
void *tfind( const void *key, const void **rootp, int(*cmp)(const void *, const void *) );
void *tdelete( const void *key, void **rootp, int(*cmp)(const void *, const void *) );
void twalk( const void *root, void(*action)(const void *nodep, VISIT which, int depth) );
void tdestroy( void *root, void (*free_node)(void *nodep) );
ivoire's avatar
ivoire committed
359
360
#else // HAVE_SEARCH_H
# ifndef HAVE_TDESTROY
361
#  define tdestroy vlc_tdestroy
362
# endif
363
364
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
365
366
/* Random numbers */
#ifndef HAVE_NRAND48
367
368
double erand48 (unsigned short subi[3]);
long jrand48 (unsigned short subi[3]);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
369
370
371
long nrand48 (unsigned short subi[3]);
#endif

ivoire's avatar
ivoire committed
372
373
#ifdef __OS2__
# undef HAVE_FORK   /* Implementation of fork() is imperfect on OS/2 */
374
375
376
377
378
379
380
381
382
383
384
385

struct addrinfo
{
    int ai_flags;
    int ai_family;
    int ai_socktype;
    int ai_protocol;
    size_t ai_addrlen;
    struct sockaddr *ai_addr;
    char *ai_canonname;
    struct addrinfo *ai_next;
};
386
387

void freeaddrinfo (struct addrinfo *res);
ivoire's avatar
ivoire committed
388
389
#endif

390
391
/* math.h */

Thomas Guillem's avatar
Thomas Guillem committed
392
#ifndef HAVE_NANF
393
394
395
#define nanf(tagp) NAN
#endif

396
397
398
399
#ifdef _WIN32
FILE *vlc_win32_tmpfile(void);
#endif

400
401
402
403
#ifdef __cplusplus
} /* extern "C" */
#endif

404
#endif /* !LIBVLC_FIXUPS_H */