mirror of
https://github.com/mpv-player/mpv
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95cfe58e3d
This is needed so that new processes (created with fork+exec) don't inherit open files, which can be important for a number of reasons. Since O_CLOEXEC is relatively new (POSIX.1-2008, before that Linux specific), we #define it to 0 in io.h to prevent compilation errors on older/crappy systems. At least this is the plan. input.c creates a pipe. For that, add a mp_set_cloexec() function (which is based on Weston's code in vo_wayland.c, but more correct). We could use pipe2() instead, but that is Linux specific. Technically, we have a race condition, but it won't matter.
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/*
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* unicode/utf-8 I/O helpers and wrappers for Windows
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*
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* This file is part of mplayer2.
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*
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* mplayer2 is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mplayer2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mplayer2. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MPLAYER_OSDEP_IO
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#define MPLAYER_OSDEP_IO
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#include <stdbool.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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// This is in POSIX.1-2008, but support outside of Linux is scarce.
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#ifndef O_CLOEXEC
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#define O_CLOEXEC 0
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#endif
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bool mp_set_cloexec(int fd);
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#ifdef _WIN32
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#include <wchar.h>
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wchar_t *mp_from_utf8(void *talloc_ctx, const char *s);
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char *mp_to_utf8(void *talloc_ctx, const wchar_t *s);
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#endif
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#ifdef __CYGWIN__
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#include <io.h>
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#endif
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#ifdef __MINGW32__
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#include <stdio.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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// Windows' MAX_PATH/PATH_MAX/FILENAME_MAX is fixed to 260, but this limit
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// applies to unicode paths encoded with wchar_t (2 bytes on Windows). The UTF-8
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// version could end up bigger in memory. In the worst case each wchar_t is
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// encoded to 3 bytes in UTF-8, so in the worst case we have:
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// wcslen(wpath) * 3 <= strlen(utf8path)
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// Thus we need MP_PATH_MAX as the UTF-8/char version of PATH_MAX.
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// Also make sure there's free space for the terminating \0.
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// (For codepoints encoded as UTF-16 surrogate pairs, UTF-8 has the same length.)
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#define MP_PATH_MAX (FILENAME_MAX * 3 + 1)
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void mp_get_converted_argv(int *argc, char ***argv);
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int mp_stat(const char *path, struct stat *buf);
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int mp_printf(const char *format, ...);
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int mp_fprintf(FILE *stream, const char *format, ...);
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int mp_open(const char *filename, int oflag, ...);
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int mp_creat(const char *filename, int mode);
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FILE *mp_fopen(const char *filename, const char *mode);
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DIR *mp_opendir(const char *path);
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struct dirent *mp_readdir(DIR *dir);
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int mp_closedir(DIR *dir);
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int mp_mkdir(const char *path, int mode);
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char *mp_getenv(const char *name);
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// NOTE: stat is not overridden with mp_stat, because MinGW-w64 defines it as
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// macro.
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#define printf(...) mp_printf(__VA_ARGS__)
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#define fprintf(...) mp_fprintf(__VA_ARGS__)
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#define open(...) mp_open(__VA_ARGS__)
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#define creat(...) mp_creat(__VA_ARGS__)
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#define fopen(...) mp_fopen(__VA_ARGS__)
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#define opendir(...) mp_opendir(__VA_ARGS__)
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#define readdir(...) mp_readdir(__VA_ARGS__)
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#define closedir(...) mp_closedir(__VA_ARGS__)
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#define mkdir(...) mp_mkdir(__VA_ARGS__)
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#define getenv(...) mp_getenv(__VA_ARGS__)
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#else /* __MINGW32__ */
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#define MP_PATH_MAX PATH_MAX
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#define mp_stat(...) stat(__VA_ARGS__)
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#endif /* __MINGW32__ */
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#endif
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