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 #ifdef __cplusplus
  69 extern "C" {
  70 #endif
  71
  72 #ifndef HAVE_STRDUP
  73 char *strdup (const char *);
  74 #endif
  75
  76 #ifndef HAVE_VASPRINTF
  77 int vasprintf (char **, const char *, va_list);
  78 #endif
  79
  80 #ifndef HAVE_ASPRINTF
  81 int asprintf (char **, const char *, ...);
  82 #endif
  83
  84 #ifndef HAVE_STRNLEN
  85 size_t strnlen (const char *, size_t);
  86 #endif
  87
  88 #ifndef HAVE_STRNDUP
  89 char *strndup (const char *, size_t);
  90 #endif
  91
  92 #ifndef HAVE_STRLCPY
  93 size_t strlcpy (char *, const char *, size_t);
  94 #endif
  95
  96 #ifndef HAVE_STRTOF
  97 float strtof (const char *, char **);
  98 #endif
  99
 100 #ifndef HAVE_ATOF
 101 double atof (const char *);
 102 #endif
 103
 104 #ifndef HAVE_STRTOLL
 105 long long int strtoll (const char *, char **, int);
 106 #endif
 107
 108 #ifndef HAVE_STRSEP
 109 char *strsep (char **, const char *);
 110 #endif
 111
 112 #ifndef HAVE_ATOLL
 113 long long atoll (const char *);
 114 #endif
 115
 116 #ifndef HAVE_LLDIV
 117 lldiv_t lldiv (long long, long long);
 118 #endif
 119
 120 #ifndef HAVE_STRCASECMP
 121 int strcasecmp (const char *, const char *);
 122 #endif
 123
 124 #ifndef HAVE_STRNCASECMP
 125 int strncasecmp (const char *, const char *, size_t);
 126 #endif
 127
 128 #ifndef HAVE_STRCASESTR
 129 char *strcasestr (const char *, const char *);
 130 #endif
 131
 132 #ifndef HAVE_GMTIME_R
 133 struct tm *gmtime_r (const time_t *, struct tm *);
 134 #endif
 135
 136 #ifndef HAVE_LOCALTIME_R
 137 struct tm *localtime_r (const time_t *, struct tm *);
 138 #endif
 139
 140 #ifndef HAVE_REWIND
 141 void rewind (FILE *);
 142 #endif
 143
 144 #ifndef HAVE_GETCWD
 145 char *getcwd (char *buf, size_t size);
 146 #endif
 147
 148 #ifndef HAVE_GETDELIM
 149 ssize_t getdelim (char **, size_t *, int, FILE *);
 150 ssize_t getline (char **, size_t *, FILE *);
 151 #endif
 152
 153 #ifndef HAVE_GETPID
 154 pid_t getpid (void);
 155 #endif
 156
 157 #ifndef HAVE_STRTOK_R
 158 char *strtok_r(char *, const char *, char **);
 159 #endif
 160
 161 #ifdef __cplusplus
 162 } /* extern "C" */
 163 #endif
 164
 165 #ifndef HAVE_GETENV
 166 static inline char *getenv (const char *name)
 167 {
 168     (void)name;
 169     return NULL;
 170 }
 171 #endif
 172
 173 /* Alignment of critical static data structures */
 174 #ifdef ATTRIBUTE_ALIGNED_MAX
 175 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 176 #else
 177 #   define ATTR_ALIGN(align)
 178 #endif
 179
 180 #ifndef HAVE_USELOCALE
 181 #define LC_NUMERIC_MASK  0
 182 #define LC_MESSAGES_MASK 0
 183 typedef void *locale_t;
 184 static inline locale_t uselocale(locale_t loc)
 185 {
 186     (void)loc;
 187     return NULL;
 188 }
 189 static inline void freelocale(locale_t loc)
 190 {
 191     (void)loc;
 192 }
 193 static inline locale_t newlocale(int mask, const char * locale, locale_t base)
 194 {
 195     (void)mask; (void)locale; (void)base;
 196     return NULL;
 197 }
 198 #endif
 199
 200 /* libintl support */
 201 #define _(str)            vlc_gettext (str)
 202 #define N_(str)           gettext_noop (str)
 203 #define gettext_noop(str) (str)
 204
 205 #ifndef HAVE_SWAB
 206 void swab (const void *, void *, ssize_t);
 207 #endif
 208
 209 /* Socket stuff */
 210 #ifndef HAVE_INET_PTON
 211 # define inet_pton vlc_inet_pton
 212 #endif
 213
 214 #ifndef HAVE_INET_NTOP
 215 # define inet_ntop vlc_inet_ntop
 216 #endif
 217
 218 #ifndef HAVE_POLL
 219 enum
 220 {
 221     POLLIN=1,
 222     POLLOUT=2,
 223     POLLPRI=4,
 224     POLLERR=8,  // unsupported stub
 225     POLLHUP=16, // unsupported stub
 226     POLLNVAL=32 // unsupported stub
 227 };
 228
 229 struct pollfd
 230 {
 231     int fd;
 232     unsigned events;
 233     unsigned revents;
 234 };
 235
 236 # define poll(a, b, c) vlc_poll(a, b, c)
 237 #elif defined (HAVE_MAEMO)
 238 # include <poll.h>
 239 # define poll(a, b, c) vlc_poll(a, b, c)
 240 int vlc_poll (struct pollfd *, unsigned, int);
 241 #endif
 242
 243 #ifndef HAVE_TDESTROY
 244 # define tdestroy vlc_tdestroy
 245 #endif
 246
 247 /* Random numbers */
 248 #ifndef HAVE_NRAND48
 249 double erand48 (unsigned short subi[3]);
 250 long jrand48 (unsigned short subi[3]);
 251 long nrand48 (unsigned short subi[3]);
 252 #endif
 253
 254 #endif /* !LIBVLC_FIXUPS_H */