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127 lines
2.9 KiB
127 lines
2.9 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#include "internal.h" |
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#include "mem.h" |
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#include <stdarg.h> |
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#include <fcntl.h> |
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#include <sys/stat.h> |
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#if HAVE_UNISTD_H |
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#include <unistd.h> |
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#endif |
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#if HAVE_IO_H |
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#include <io.h> |
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#endif |
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#if defined(_WIN32) && !defined(__MINGW32CE__) |
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#undef open |
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#undef lseek |
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#undef stat |
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#undef fstat |
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#include <windows.h> |
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#include <share.h> |
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#include <errno.h> |
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#include "wchar_filename.h" |
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static int win32_open(const char *filename_utf8, int oflag, int pmode) |
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{ |
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int fd; |
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wchar_t *filename_w; |
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/* convert UTF-8 to wide chars */ |
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if (utf8towchar(filename_utf8, &filename_w)) |
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return -1; |
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if (!filename_w) |
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goto fallback; |
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fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode); |
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av_freep(&filename_w); |
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if (fd != -1 || (oflag & O_CREAT)) |
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return fd; |
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fallback: |
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/* filename may be in CP_ACP */ |
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return _sopen(filename_utf8, oflag, SH_DENYNO, pmode); |
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} |
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#define open win32_open |
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#endif |
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int avpriv_open(const char *filename, int flags, ...) |
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{ |
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int fd; |
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unsigned int mode = 0; |
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va_list ap; |
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va_start(ap, flags); |
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if (flags & O_CREAT) |
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mode = va_arg(ap, unsigned int); |
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va_end(ap); |
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#ifdef O_CLOEXEC |
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flags |= O_CLOEXEC; |
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#endif |
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#ifdef O_NOINHERIT |
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flags |= O_NOINHERIT; |
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#endif |
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fd = open(filename, flags, mode); |
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#if HAVE_FCNTL |
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if (fd != -1) { |
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if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) |
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av_log(NULL, AV_LOG_DEBUG, "Failed to set close on exec\n"); |
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} |
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#endif |
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return fd; |
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} |
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FILE *av_fopen_utf8(const char *path, const char *mode) |
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{ |
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int fd; |
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int access; |
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const char *m = mode; |
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switch (*m++) { |
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case 'r': access = O_RDONLY; break; |
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case 'w': access = O_CREAT|O_WRONLY|O_TRUNC; break; |
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case 'a': access = O_CREAT|O_WRONLY|O_APPEND; break; |
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default : |
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errno = EINVAL; |
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return NULL; |
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} |
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while (*m) { |
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if (*m == '+') { |
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access &= ~(O_RDONLY | O_WRONLY); |
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access |= O_RDWR; |
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} else if (*m == 'b') { |
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#ifdef O_BINARY |
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access |= O_BINARY; |
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#endif |
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} else if (*m) { |
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errno = EINVAL; |
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return NULL; |
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} |
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m++; |
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} |
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fd = avpriv_open(path, access, 0666); |
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if (fd == -1) |
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return NULL; |
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return fdopen(fd, mode); |
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}
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