vlc_fixups.h 7.24 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

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
29 30 31 32 33 34 35 36 37 38 39 40
#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

41 42
#if !defined(HAVE_GETENV) || \
    !defined(HAVE_USELOCALE)
Rafaël Carré's avatar
Rafaël Carré committed
43
# include <stddef.h> /* NULL */
44 45
#endif

46
#if !defined (HAVE_REWIND) || \
47 48
    !defined (HAVE_GETDELIM) || \
    defined (__APPLE__)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
49 50 51 52 53
# include <stdio.h> /* FILE */
#endif

#if !defined (HAVE_STRLCPY) || \
    !defined (HAVE_STRNDUP) || \
54
    !defined (HAVE_STRNLEN)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
55 56 57 58 59 60 61
# include <stddef.h> /* size_t */
#endif

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

62
#if !defined (HAVE_GETDELIM) || defined (__APPLE__) || \
63 64 65
    !defined (HAVE_GETPID)   || \
    !defined (HAVE_SWAB)
# include <sys/types.h> /* ssize_t, pid_t */
66 67
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
68 69
#if !defined (HAVE_DIRFD) || \
    !defined (HAVE_FDOPENDIR)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
70 71 72
# include <dirent.h>
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
73 74 75 76
#ifdef __cplusplus
extern "C" {
#endif

77 78 79 80 81
/* stdio.h */
#ifndef HAVE_ASPRINTF
int asprintf (char **, const char *, ...);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
82 83 84 85 86 87 88 89 90 91
#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

92 93 94 95
/* we always need our implementation on Darwin, since native support for getline
 * was added lately to Darwin 11 (OS X Lion) only.
 * However, we want binaries created on this OS to be executable on previous
 * releases. */
96
#if !defined HAVE_GETDELIM
97 98 99 100 101 102
ssize_t getdelim (char **, size_t *, int, FILE *);
ssize_t getline (char **, size_t *, FILE *);
#endif

#ifndef HAVE_REWIND
void rewind (FILE *);
103 104 105
#endif

#ifndef HAVE_VASPRINTF
106
int vasprintf (char **, const char *, va_list);
107 108
#endif

109 110 111 112 113 114 115 116 117 118 119 120 121 122 123
/* string.h */
#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

#ifndef HAVE_STRNCASECMP
int strncasecmp (const char *, const char *, size_t);
124 125
#endif

126
#ifndef HAVE_STRNLEN
127
size_t strnlen (const char *, size_t);
128 129
#endif

130
#ifndef HAVE_STRNDUP
131
char *strndup (const char *, size_t);
132 133 134
#endif

#ifndef HAVE_STRLCPY
135
size_t strlcpy (char *, const char *, size_t);
136 137
#endif

138 139
#ifndef HAVE_STRSEP
char *strsep (char **, const char *);
140
#endif
141 142 143

#ifndef HAVE_STRTOK_R
char *strtok_r(char *, const char *, char **);
144
#endif
145

146
/* stdlib.h */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
147
#ifndef HAVE_ATOF
148
#ifndef __ANDROID__
149
double atof (const char *);
150
#endif
151
#endif
152

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
153
#ifndef HAVE_ATOLL
154
long long atoll (const char *);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
155 156
#endif

157
#ifndef HAVE_LLDIV
158
lldiv_t lldiv (long long, long long);
159 160
#endif

161 162 163
#ifndef HAVE_STRTOF
#ifndef __ANDROID__
float strtof (const char *, char **);
164 165 166
#endif
#endif

167 168
#ifndef HAVE_STRTOLL
long long int strtoll (const char *, char **, int);
169 170
#endif

171
/* time.h */
172 173 174
#ifndef HAVE_GMTIME_R
struct tm *gmtime_r (const time_t *, struct tm *);
#endif
175

176 177 178
#ifndef HAVE_LOCALTIME_R
struct tm *localtime_r (const time_t *, struct tm *);
#endif
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
179

180
/* unistd.h */
181 182 183 184
#ifndef HAVE_GETPID
pid_t getpid (void);
#endif

185 186 187 188
#ifndef HAVE_FSYNC
int fsync (int fd);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
189 190
/* dirent.h */
#ifndef HAVE_DIRFD
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
191
int (dirfd) (DIR *);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
192 193
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
194 195 196 197
#ifndef HAVE_FDOPENDIR
DIR *fdopendir (int);
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
198 199 200 201
#ifdef __cplusplus
} /* extern "C" */
#endif

202
/* stdlib.h */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
203 204 205 206 207 208 209 210
#ifndef HAVE_GETENV
static inline char *getenv (const char *name)
{
    (void)name;
    return NULL;
}
#endif

211 212 213 214 215
#ifndef HAVE_SETENV
int setenv (const char *, const char *, int);
int unsetenv (const char *);
#endif

216
/* locale.h */
217
#ifndef HAVE_USELOCALE
218 219
#define LC_NUMERIC_MASK  0
#define LC_MESSAGES_MASK 0
220
typedef void *locale_t;
221 222
static inline locale_t uselocale(locale_t loc)
{
223
    (void)loc;
224 225 226 227
    return NULL;
}
static inline void freelocale(locale_t loc)
{
228
    (void)loc;
229
}
230
static inline locale_t newlocale(int mask, const char * locale, locale_t base)
231
{
232
    (void)mask; (void)locale; (void)base;
233 234
    return NULL;
}
235 236
#endif

237 238 239 240 241 242 243
/* 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

244
/* libintl support */
245 246
#define _(str)            vlc_gettext (str)
#define N_(str)           gettext_noop (str)
247 248
#define gettext_noop(str) (str)

249 250 251 252
#ifndef HAVE_SWAB
void swab (const void *, void *, ssize_t);
#endif

253 254
/* Socket stuff */
#ifndef HAVE_INET_PTON
255 256
int inet_pton(int, const char *, void *);
const char *inet_ntop(int, const void *, char *, int);
257 258
#endif

259
#ifndef HAVE_STRUCT_POLLFD
260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275
enum
{
    POLLIN=1,
    POLLOUT=2,
    POLLPRI=4,
    POLLERR=8,  // unsupported stub
    POLLHUP=16, // unsupported stub
    POLLNVAL=32 // unsupported stub
};

struct pollfd
{
    int fd;
    unsigned events;
    unsigned revents;
};
276
#endif
277 278 279 280
#ifndef HAVE_POLL
struct pollfd;
int poll (struct pollfd *, unsigned, int);
#endif
281

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
282
#ifndef HAVE_IF_NAMEINDEX
283
#include <errno.h>
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
284 285 286 287 288
struct if_nameindex
{
    unsigned if_index;
    char    *if_name;
};
289 290 291
# ifndef HAVE_IF_NAMETOINDEX
#  define if_nametoindex(name)   atoi(name)
# endif
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
292 293 294 295
# define if_nameindex()         (errno = ENOBUFS, NULL)
# define if_freenameindex(list) (void)0
#endif

296
/* search.h */
297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318
#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
319 320
#else // HAVE_SEARCH_H
# ifndef HAVE_TDESTROY
321
#  define tdestroy vlc_tdestroy
322
# endif
323 324
#endif

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
325 326
/* Random numbers */
#ifndef HAVE_NRAND48
327 328
double erand48 (unsigned short subi[3]);
long jrand48 (unsigned short subi[3]);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
329 330 331
long nrand48 (unsigned short subi[3]);
#endif

Rémi Duraffort's avatar
Rémi Duraffort committed
332 333 334 335
#ifdef __OS2__
# undef HAVE_FORK   /* Implementation of fork() is imperfect on OS/2 */
#endif

336
#endif /* !LIBVLC_FIXUPS_H */