Line data    Source code

       1             : /*
       2             :  * This file is part of Libav.
       3             :  *
       4             :  * Libav is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Lesser General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2.1 of the License, or (at your option) any later version.
       8             :  *
       9             :  * Libav is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Lesser General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public
      15             :  * License along with Libav; if not, write to the Free Software
      16             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      17             :  */
      18             : 
      19             : #include "config.h"
      20             : #include "internal.h"
      21             : #include "mem.h"
      22             : #include <stdarg.h>
      23             : #include <fcntl.h>
      24             : #include <sys/stat.h>
      25             : #if HAVE_UNISTD_H
      26             : #include <unistd.h>
      27             : #endif
      28             : #if HAVE_IO_H
      29             : #include <io.h>
      30             : #endif
      31             : 
      32             : #if defined(_WIN32) && !defined(__MINGW32CE__)
      33             : #undef open
      34             : #undef lseek
      35             : #undef stat
      36             : #undef fstat
      37             : #include <windows.h>
      38             : #include <share.h>
      39             : #include <errno.h>
      40             : 
      41             : static int win32_open(const char *filename_utf8, int oflag, int pmode)
      42             : {
      43             :     int fd;
      44             :     int num_chars;
      45             :     wchar_t *filename_w;
      46             : 
      47             :     /* convert UTF-8 to wide chars */
      48             :     num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
      49             :     if (num_chars <= 0)
      50             :         goto fallback;
      51             :     filename_w = av_mallocz(sizeof(wchar_t) * num_chars);
      52             :     if (!filename_w) {
      53             :         errno = ENOMEM;
      54             :         return -1;
      55             :     }
      56             :     MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
      57             : 
      58             :     fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
      59             :     av_freep(&filename_w);
      60             : 
      61             :     if (fd != -1 || (oflag & O_CREAT))
      62             :         return fd;
      63             : 
      64             : fallback:
      65             :     /* filename may be be in CP_ACP */
      66             :     return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
      67             : }
      68             : #define open win32_open
      69             : #endif
      70             : 
      71           0 : int avpriv_open(const char *filename, int flags, ...)
      72             : {
      73             :     int fd;
      74           0 :     unsigned int mode = 0;
      75             :     va_list ap;
      76             : 
      77           0 :     va_start(ap, flags);
      78           0 :     if (flags & O_CREAT)
      79           0 :         mode = va_arg(ap, unsigned int);
      80           0 :     va_end(ap);
      81             : 
      82             : #ifdef O_CLOEXEC
      83           0 :     flags |= O_CLOEXEC;
      84             : #endif
      85             : 
      86           0 :     fd = open(filename, flags, mode);
      87             : #if HAVE_FCNTL
      88           0 :     if (fd != -1)
      89           0 :         fcntl(fd, F_SETFD, FD_CLOEXEC);
      90             : #endif
      91             : 
      92           0 :     return fd;
      93             : }