include/vlc_fixups.h

   1 /*****************************************************************************
   2  * fixups.h: portability fixups included from config.h
   3  *****************************************************************************
   4  * Copyright © 1998-2008 the VideoLAN project
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 /**
  22  * \file
  23  * This file is a collection of portability fixes
  24  */
  25
  26 #ifndef LIBVLC_FIXUPS_H
  27 # define LIBVLC_FIXUPS_H 1
  28
  29 #if !defined (HAVE_GMTIME_R) || !defined (HAVE_LOCALTIME_R)
  30 # include <time.h> /* time_t */
  31 #endif
  32
  33 #ifndef HAVE_LLDIV
  34 typedef struct
  35 {
  36     long long quot; /* Quotient. */
  37     long long rem;  /* Remainder. */
  38 } lldiv_t;
  39 #endif
  40
  41 #if !defined(HAVE_GETENV) || \
  42     !defined(HAVE_USELOCALE)
  43 # include <stddef.h> /* NULL */
  44 #endif
  45
  46 #if !defined (HAVE_REWIND) || \
  47     !defined (HAVE_GETDELIM)
  48 # include <stdio.h> /* FILE */
  49 #endif
  50
  51 #if !defined (HAVE_STRLCPY) || \
  52     !defined (HAVE_STRNDUP) || \
  53     !defined (HAVE_STRNLEN) || \
  54     !defined (HAVE_GETCWD)
  55 # include <stddef.h> /* size_t */
  56 #endif
  57
  58 #ifndef HAVE_VASPRINTF
  59 # include <stdarg.h> /* va_list */
  60 #endif
  61
  62 #if !defined (HAVE_GETDELIM) || \
  63     !defined (HAVE_GETPID)   || \
  64     !defined (HAVE_SWAB)
  65 # include <sys/types.h> /* ssize_t, pid_t */
  66 #endif
  67
  68 #ifndef HAVE_DIRFD
  69 # include <dirent.h>
  70 #endif
  71
  72 #ifdef __cplusplus
  73 extern "C" {
  74 #endif
  75
  76 /* stdio.h */
  77 #ifndef HAVE_ASPRINTF
  78 int asprintf (char **, const char *, ...);
  79 #endif
  80
  81 #ifndef HAVE_GETDELIM
  82 ssize_t getdelim (char **, size_t *, int, FILE *);
  83 ssize_t getline (char **, size_t *, FILE *);
  84 #endif
  85
  86 #ifndef HAVE_REWIND
  87 void rewind (FILE *);
  88 #endif
  89
  90 #ifndef HAVE_VASPRINTF
  91 int vasprintf (char **, const char *, va_list);
  92 #endif
  93
  94 /* string.h */
  95 #ifndef HAVE_STRCASECMP
  96 int strcasecmp (const char *, const char *);
  97 #endif
  98
  99 #ifndef HAVE_STRCASESTR
 100 char *strcasestr (const char *, const char *);
 101 #endif
 102
 103 #ifndef HAVE_STRDUP
 104 char *strdup (const char *);
 105 #endif
 106
 107 #ifndef HAVE_STRNCASECMP
 108 int strncasecmp (const char *, const char *, size_t);
 109 #endif
 110
 111 #ifndef HAVE_STRNLEN
 112 size_t strnlen (const char *, size_t);
 113 #endif
 114
 115 #ifndef HAVE_STRNDUP
 116 char *strndup (const char *, size_t);
 117 #endif
 118
 119 #ifndef HAVE_STRLCPY
 120 size_t strlcpy (char *, const char *, size_t);
 121 #endif
 122
 123 #ifndef HAVE_STRSEP
 124 char *strsep (char **, const char *);
 125 #endif
 126
 127 #ifndef HAVE_STRTOK_R
 128 char *strtok_r(char *, const char *, char **);
 129 #endif
 130
 131 /* stdlib.h */
 132 #ifndef HAVE_ATOF
 133 #ifndef __ANDROID__
 134 double atof (const char *);
 135 #endif
 136 #endif
 137
 138 #ifndef HAVE_ATOLL
 139 long long atoll (const char *);
 140 #endif
 141
 142 #ifndef HAVE_LLDIV
 143 lldiv_t lldiv (long long, long long);
 144 #endif
 145
 146 #ifndef HAVE_STRTOF
 147 #ifndef __ANDROID__
 148 float strtof (const char *, char **);
 149 #endif
 150 #endif
 151
 152 #ifndef HAVE_STRTOLL
 153 long long int strtoll (const char *, char **, int);
 154 #endif
 155
 156 /* time.h */
 157 #ifndef HAVE_GMTIME_R
 158 struct tm *gmtime_r (const time_t *, struct tm *);
 159 #endif
 160
 161 #ifndef HAVE_LOCALTIME_R
 162 struct tm *localtime_r (const time_t *, struct tm *);
 163 #endif
 164
 165 /* unistd.h */
 166 #ifndef HAVE_GETCWD
 167 char *getcwd (char *buf, size_t size);
 168 #endif
 169
 170 #ifndef HAVE_GETPID
 171 pid_t getpid (void);
 172 #endif
 173
 174 /* dirent.h */
 175 #ifndef HAVE_DIRFD
 176 #ifdef __APPLE__
 177 #undef dirfd
 178 #endif
 179 int dirfd (DIR *);
 180 #endif
 181
 182 #ifdef __cplusplus
 183 } /* extern "C" */
 184 #endif
 185
 186 /* stdlib.h */
 187 #ifndef HAVE_GETENV
 188 static inline char *getenv (const char *name)
 189 {
 190     (void)name;
 191     return NULL;
 192 }
 193 #endif
 194
 195 #ifndef HAVE_SETENV
 196 int setenv (const char *, const char *, int);
 197 int unsetenv (const char *);
 198 #endif
 199
 200 /* locale.h */
 201 #ifndef HAVE_USELOCALE
 202 #define LC_NUMERIC_MASK  0
 203 #define LC_MESSAGES_MASK 0
 204 typedef void *locale_t;
 205 static inline locale_t uselocale(locale_t loc)
 206 {
 207     (void)loc;
 208     return NULL;
 209 }
 210 static inline void freelocale(locale_t loc)
 211 {
 212     (void)loc;
 213 }
 214 static inline locale_t newlocale(int mask, const char * locale, locale_t base)
 215 {
 216     (void)mask; (void)locale; (void)base;
 217     return NULL;
 218 }
 219 #endif
 220
 221 /* Alignment of critical static data structures */
 222 #ifdef ATTRIBUTE_ALIGNED_MAX
 223 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 224 #else
 225 #   define ATTR_ALIGN(align)
 226 #endif
 227
 228 /* libintl support */
 229 #define _(str)            vlc_gettext (str)
 230 #define N_(str)           gettext_noop (str)
 231 #define gettext_noop(str) (str)
 232
 233 #ifndef HAVE_SWAB
 234 void swab (const void *, void *, ssize_t);
 235 #endif
 236
 237 /* Socket stuff */
 238 #ifndef HAVE_INET_PTON
 239 # define inet_pton vlc_inet_pton
 240 #endif
 241
 242 #ifndef HAVE_INET_NTOP
 243 # define inet_ntop vlc_inet_ntop
 244 #endif
 245
 246 #ifndef HAVE_POLL
 247 enum
 248 {
 249     POLLIN=1,
 250     POLLOUT=2,
 251     POLLPRI=4,
 252     POLLERR=8,  // unsupported stub
 253     POLLHUP=16, // unsupported stub
 254     POLLNVAL=32 // unsupported stub
 255 };
 256
 257 struct pollfd
 258 {
 259     int fd;
 260     unsigned events;
 261     unsigned revents;
 262 };
 263
 264 # define poll(a, b, c) vlc_poll(a, b, c)
 265 #elif defined (HAVE_MAEMO)
 266 # include <poll.h>
 267 # define poll(a, b, c) vlc_poll(a, b, c)
 268 int vlc_poll (struct pollfd *, unsigned, int);
 269 #endif
 270
 271 /* search.h */
 272 #ifndef HAVE_SEARCH_H
 273 typedef struct entry {
 274     char *key;
 275     void *data;
 276 } ENTRY;
 277
 278 typedef enum {
 279     FIND, ENTER
 280 } ACTION;
 281
 282 typedef enum {
 283     preorder,
 284     postorder,
 285     endorder,
 286     leaf
 287 } VISIT;
 288
 289 void *tsearch( const void *key, void **rootp, int(*cmp)(const void *, const void *) );
 290 void *tfind( const void *key, const void **rootp, int(*cmp)(const void *, const void *) );
 291 void *tdelete( const void *key, void **rootp, int(*cmp)(const void *, const void *) );
 292 void twalk( const void *root, void(*action)(const void *nodep, VISIT which, int depth) );
 293 void tdestroy( void *root, void (*free_node)(void *nodep) );
 294 #else // HAVE_SEARCH_H
 295 # ifndef HAVE_TDESTROY
 296 #  define tdestroy vlc_tdestroy
 297 # endif
 298 #endif
 299
 300 /* Random numbers */
 301 #ifndef HAVE_NRAND48
 302 double erand48 (unsigned short subi[3]);
 303 long jrand48 (unsigned short subi[3]);
 304 long nrand48 (unsigned short subi[3]);
 305 #endif
 306
 307 #ifdef __ANDROID__
 308 # undef __linux__
 309 # ifndef __cplusplus
 310 #  define __cplusplus 0
 311 # endif
 312 # include <pthread.h>
 313 # if __cplusplus == 0
 314 #  undef __cplusplus
 315 # endif
 316 char *tempnam(const char *, const char *);
 317 #endif // ANDROID
 318
 319 #ifdef __OS2__
 320 # undef HAVE_FORK   /* Implementation of fork() is imperfect on OS/2 */
 321 #endif
 322
 323 #endif /* !LIBVLC_FIXUPS_H */