vlc_fixups.h 10.1 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 31 32 33
/* needed to detect uClibc */
#ifdef HAVE_FEATURES_H
#include <features.h>
#endif

34 35
/* C++11 says there's no need to define __STDC_*_MACROS when including
 * inttypes.h and stdint.h. */
36
#if defined (__cplusplus) && (defined(__MINGW32__) || defined(__UCLIBC__))
37 38 39 40 41 42 43 44 45
# 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
46 47
#endif

48 49
#if !defined (HAVE_GMTIME_R) || !defined (HAVE_LOCALTIME_R) \
 || !defined (HAVE_TIMEGM)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
50 51 52
# include <time.h> /* time_t */
#endif

53 54 55 56 57 58 59 60
#ifndef HAVE_GETTIMEOFDAY
#ifdef _WIN32
#include <winsock2.h>
#else
#include <sys/time.h>
#endif
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
61 62 63 64 65 66 67 68
#ifndef HAVE_LLDIV
typedef struct
{
    long long quot; /* Quotient. */
    long long rem;  /* Remainder. */
} lldiv_t;
#endif

69 70
#if !defined(HAVE_GETENV) || \
    !defined(HAVE_USELOCALE)
Rafaël Carré's avatar
Rafaël Carré committed
71
# include <stddef.h> /* NULL */
72 73
#endif

74
#if !defined (HAVE_REWIND) || \
75
    !defined (HAVE_GETDELIM)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
76 77 78
# include <stdio.h> /* FILE */
#endif

79
#if !defined (HAVE_POSIX_MEMALIGN) || \
80
    !defined (HAVE_MEMRCHR) || \
81
    !defined (HAVE_STRLCPY) || \
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
82
    !defined (HAVE_STRNDUP) || \
83 84
    !defined (HAVE_STRNLEN) || \
    !defined (HAVE_STRNSTR)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
85 86 87 88 89 90 91
# include <stddef.h> /* size_t */
#endif

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

92
#if !defined (HAVE_GETDELIM) || \
93 94 95
    !defined (HAVE_GETPID)   || \
    !defined (HAVE_SWAB)
# include <sys/types.h> /* ssize_t, pid_t */
96 97
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
98 99
#if !defined (HAVE_DIRFD) || \
    !defined (HAVE_FDOPENDIR)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
100 101 102
# include <dirent.h>
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
103
#ifdef __cplusplus
104
# define VLC_NOTHROW throw ()
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
105
extern "C" {
106 107
#else
# define VLC_NOTHROW
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
108 109
#endif

110
/* stddef.h */
111
#if !defined (__cplusplus) && !defined (HAVE_MAX_ALIGN_T)
112 113 114 115 116 117
typedef struct {
  long long ll;
  long double ld;
} max_align_t;
#endif

118 119 120 121 122
/* stdio.h */
#ifndef HAVE_ASPRINTF
int asprintf (char **, const char *, ...);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
123 124 125 126 127 128 129 130 131 132
#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

133
#ifndef HAVE_GETDELIM
134 135 136 137 138 139
ssize_t getdelim (char **, size_t *, int, FILE *);
ssize_t getline (char **, size_t *, FILE *);
#endif

#ifndef HAVE_REWIND
void rewind (FILE *);
140 141 142
#endif

#ifndef HAVE_VASPRINTF
143
int vasprintf (char **, const char *, va_list);
144 145
#endif

146
/* string.h */
147 148 149 150
#ifndef HAVE_FFSLL
int ffsll(unsigned long long);
#endif

151 152 153 154
#ifndef HAVE_MEMRCHR
void *memrchr(const void *, int, size_t);
#endif

155 156 157 158 159 160 161 162 163 164 165 166
#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

167 168 169 170
#ifndef HAVE_STRVERSCMP
int strverscmp (const char *, const char *);
#endif

171
#ifndef HAVE_STRNLEN
172
size_t strnlen (const char *, size_t);
173 174
#endif

François Cartegnie's avatar
François Cartegnie committed
175 176 177 178
#ifndef HAVE_STRNSTR
char * strnstr (const char *, const char *, size_t);
#endif

179
#ifndef HAVE_STRNDUP
180
char *strndup (const char *, size_t);
181 182 183
#endif

#ifndef HAVE_STRLCPY
184
size_t strlcpy (char *, const char *, size_t);
185 186
#endif

187 188
#ifndef HAVE_STRSEP
char *strsep (char **, const char *);
189
#endif
190 191 192

#ifndef HAVE_STRTOK_R
char *strtok_r(char *, const char *, char **);
193
#endif
194

195
/* stdlib.h */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
196
#ifndef HAVE_ATOF
197
#ifndef __ANDROID__
198
double atof (const char *);
199
#endif
200
#endif
201

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
202
#ifndef HAVE_ATOLL
203
long long atoll (const char *);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
204 205
#endif

206
#ifndef HAVE_LLDIV
207
lldiv_t lldiv (long long, long long);
208 209
#endif

210 211 212
#ifndef HAVE_STRTOF
#ifndef __ANDROID__
float strtof (const char *, char **);
213 214 215
#endif
#endif

216 217
#ifndef HAVE_STRTOLL
long long int strtoll (const char *, char **, int);
218 219
#endif

220
/* time.h */
221 222 223
#ifndef HAVE_GMTIME_R
struct tm *gmtime_r (const time_t *, struct tm *);
#endif
224

225 226 227
#ifndef HAVE_LOCALTIME_R
struct tm *localtime_r (const time_t *, struct tm *);
#endif
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
228

229
#ifndef HAVE_TIMEGM
230
time_t timegm(struct tm *);
231 232
#endif

233 234
#ifndef HAVE_TIMESPEC_GET
#define TIME_UTC 1
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
235
struct timespec;
236 237 238
int timespec_get(struct timespec *, int);
#endif

239 240
/* sys/time.h */
#ifndef HAVE_GETTIMEOFDAY
241
struct timezone;
242 243 244
int gettimeofday(struct timeval *, struct timezone *);
#endif

245
/* unistd.h */
246
#ifndef HAVE_GETPID
247
pid_t getpid (void) VLC_NOTHROW;
248 249
#endif

250 251 252 253
#ifndef HAVE_FSYNC
int fsync (int fd);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
254 255
/* dirent.h */
#ifndef HAVE_DIRFD
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
256
int (dirfd) (DIR *);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
257 258
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
259 260 261 262
#ifndef HAVE_FDOPENDIR
DIR *fdopendir (int);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
263 264 265 266
#ifdef __cplusplus
} /* extern "C" */
#endif

267
/* stdlib.h */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
268 269 270 271 272 273 274 275
#ifndef HAVE_GETENV
static inline char *getenv (const char *name)
{
    (void)name;
    return NULL;
}
#endif

276 277 278 279 280
#ifndef HAVE_SETENV
int setenv (const char *, const char *, int);
int unsetenv (const char *);
#endif

281 282 283 284
#ifndef HAVE_POSIX_MEMALIGN
int posix_memalign (void **, size_t, size_t);
#endif

285
/* locale.h */
286
#ifndef HAVE_USELOCALE
287
#define LC_ALL_MASK      0
288 289
#define LC_NUMERIC_MASK  0
#define LC_MESSAGES_MASK 0
290
#define LC_GLOBAL_LOCALE ((locale_t)(uintptr_t)1)
291
typedef void *locale_t;
292 293
static inline locale_t uselocale(locale_t loc)
{
294
    (void)loc;
295 296 297 298
    return NULL;
}
static inline void freelocale(locale_t loc)
{
299
    (void)loc;
300
}
301
static inline locale_t newlocale(int mask, const char * locale, locale_t base)
302
{
303
    (void)mask; (void)locale; (void)base;
304 305
    return NULL;
}
306 307
#endif

308
#if !defined (HAVE_STATIC_ASSERT) && !defined(__cpp_static_assert)
Thomas Guillem's avatar
Thomas Guillem committed
309 310 311
# define STATIC_ASSERT_CONCAT_(a, b) a##b
# define STATIC_ASSERT_CONCAT(a, b) STATIC_ASSERT_CONCAT_(a, b)
# define _Static_assert(x, s) extern char STATIC_ASSERT_CONCAT(static_assert_, __LINE__)[sizeof(struct { unsigned:-!(x); })]
312 313 314
# define static_assert _Static_assert
#endif

315 316 317 318 319 320 321
/* 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

322
/* libintl support */
323 324
#define _(str)            vlc_gettext (str)
#define N_(str)           gettext_noop (str)
325 326
#define gettext_noop(str) (str)

327 328 329 330
#ifdef __cplusplus
extern "C" {
#endif

331 332 333 334
#ifndef HAVE_SWAB
void swab (const void *, void *, ssize_t);
#endif

335 336
/* Socket stuff */
#ifndef HAVE_INET_PTON
337 338
# ifndef _WIN32
#  include <sys/socket.h>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
339 340
#else
typedef int socklen_t;
341
# endif
342
int inet_pton(int, const char *, void *);
343
const char *inet_ntop(int, const void *, char *, socklen_t);
344 345
#endif

346
#ifndef HAVE_STRUCT_POLLFD
347 348
enum
{
349 350 351 352 353 354 355 356
    POLLERR=0x1,
    POLLHUP=0x2,
    POLLNVAL=0x4,
    POLLWRNORM=0x10,
    POLLWRBAND=0x20,
    POLLRDNORM=0x100,
    POLLRDBAND=0x200,
    POLLPRI=0x400,
357
};
358 359
#define POLLIN  (POLLRDNORM|POLLRDBAND)
#define POLLOUT (POLLWRNORM|POLLWRBAND)
360 361 362 363 364 365 366

struct pollfd
{
    int fd;
    unsigned events;
    unsigned revents;
};
367
#endif
368 369 370 371
#ifndef HAVE_POLL
struct pollfd;
int poll (struct pollfd *, unsigned, int);
#endif
372

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
373
#ifndef HAVE_IF_NAMEINDEX
374
#include <errno.h>
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
375 376 377 378 379
struct if_nameindex
{
    unsigned if_index;
    char    *if_name;
};
380 381 382
# ifndef HAVE_IF_NAMETOINDEX
#  define if_nametoindex(name)   atoi(name)
# endif
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
383 384 385 386
# define if_nameindex()         (errno = ENOBUFS, NULL)
# define if_freenameindex(list) (void)0
#endif

387 388 389 390 391 392 393
#ifndef HAVE_STRUCT_TIMESPEC
struct timespec {
    time_t  tv_sec;   /* Seconds */
    long    tv_nsec;  /* Nanoseconds */
};
#endif

394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412
#ifdef _WIN32
struct iovec
{
    void  *iov_base;
    size_t iov_len;
};
#define IOV_MAX 255
struct msghdr
{
    void         *msg_name;
    size_t        msg_namelen;
    struct iovec *msg_iov;
    size_t        msg_iovlen;
    void         *msg_control;
    size_t        msg_controllen;
    int           msg_flags;
};
#endif

413 414 415 416 417
#ifndef HAVE_RECVMSG
struct msghdr;
ssize_t recvmsg(int, struct msghdr *, int);
#endif

418 419 420 421 422
#ifndef HAVE_SENDMSG
struct msghdr;
ssize_t sendmsg(int, const struct msghdr *, int);
#endif

423
/* search.h */
424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445
#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) );
Rémi Duraffort's avatar
Rémi Duraffort committed
446 447
#else // HAVE_SEARCH_H
# ifndef HAVE_TDESTROY
448
void vlc_tdestroy( void *, void (*)(void *) );
449
#  define tdestroy vlc_tdestroy
450
# endif
451 452
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
453 454
/* Random numbers */
#ifndef HAVE_NRAND48
455 456
double erand48 (unsigned short subi[3]);
long jrand48 (unsigned short subi[3]);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
457 458 459
long nrand48 (unsigned short subi[3]);
#endif

Rémi Duraffort's avatar
Rémi Duraffort committed
460 461
#ifdef __OS2__
# undef HAVE_FORK   /* Implementation of fork() is imperfect on OS/2 */
462 463 464 465 466 467 468 469 470 471 472 473

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;
};
474 475

void freeaddrinfo (struct addrinfo *res);
Rémi Duraffort's avatar
Rémi Duraffort committed
476 477
#endif

478 479
/* math.h */

Thomas Guillem's avatar
Thomas Guillem committed
480
#ifndef HAVE_NANF
481 482 483
#define nanf(tagp) NAN
#endif

484 485 486 487
#ifdef _WIN32
FILE *vlc_win32_tmpfile(void);
#endif

488 489 490 491
#ifdef __cplusplus
} /* extern "C" */
#endif

492
#endif /* !LIBVLC_FIXUPS_H */