osdep/io.h

   1 /*
   2  * unicode/utf-8 I/O helpers and wrappers for Windows
   3  *
   4  * This file is part of mplayer2.
   5  *
   6  * mplayer2 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  * mplayer2 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 along
  17  * with mplayer2.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef MPLAYER_OSDEP_IO
  21 #define MPLAYER_OSDEP_IO
  22
  23 #include <limits.h>
  24
  25 #ifdef _WIN32
  26 #include <wchar.h>
  27 wchar_t *mp_from_utf8(void *talloc_ctx, const char *s);
  28 char *mp_to_utf8(void *talloc_ctx, const wchar_t *s);
  29 #endif
  30
  31 #ifdef __MINGW32__
  32
  33 #include <stdio.h>
  34 #include <dirent.h>
  35 #include <sys/stat.h>
  36 #include <fcntl.h>
  37
  38 // Windows' MAX_PATH/PATH_MAX/FILENAME_MAX is fixed to 260, but this limit
  39 // applies to unicode paths encoded with wchar_t (2 bytes on Windows). The UTF-8
  40 // version could end up bigger in memory. In the worst case each wchar_t is
  41 // encoded to 3 bytes in UTF-8, so in the worst case we have:
  42 //      wcslen(wpath) <= strlen(utf8path) * 3
  43 // Thus we need MP_PATH_MAX as the UTF-8/char version of PATH_MAX.
  44 #define MP_PATH_MAX (FILENAME_MAX * 3)
  45
  46 void mp_get_converted_argv(int *argc, char ***argv);
  47
  48 int mp_stat(const char *path, struct stat *buf);
  49 int mp_fprintf(FILE *stream, const char *format, ...);
  50 int mp_open(const char *filename, int oflag, ...);
  51 int mp_creat(const char *filename, int mode);
  52 FILE *mp_fopen(const char *filename, const char *mode);
  53 DIR *mp_opendir(const char *path);
  54 struct dirent *mp_readdir(DIR *dir);
  55 int mp_closedir(DIR *dir);
  56 int mp_mkdir(const char *path, int mode);
  57
  58 // NOTE: stat is not overridden with mp_stat, because MinGW-w64 defines it as
  59 //       macro.
  60
  61 #define fprintf(...) mp_fprintf(__VA_ARGS__)
  62 #define open(...) mp_open(__VA_ARGS__)
  63 #define creat(...) mp_creat(__VA_ARGS__)
  64 #define fopen(...) mp_fopen(__VA_ARGS__)
  65 #define opendir(...) mp_opendir(__VA_ARGS__)
  66 #define readdir(...) mp_readdir(__VA_ARGS__)
  67 #define closedir(...) mp_closedir(__VA_ARGS__)
  68 #define mkdir(...) mp_mkdir(__VA_ARGS__)
  69
  70 #else /* __MINGW32__ */
  71
  72 #define MP_PATH_MAX PATH_MAX
  73
  74 #define mp_stat(...) stat(__VA_ARGS__)
  75
  76 #endif /* __MINGW32__ */
  77
  78 #endif