/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include "internal.h" #include "mem.h" #include <stdarg.h> #include <fcntl.h> #include <sys/stat.h> #if HAVE_UNISTD_H #include <unistd.h> #endif #if HAVE_IO_H #include <io.h> #endif #if defined(_WIN32) && !defined(__MINGW32CE__) #undef open #undef lseek #undef stat #undef fstat #include <windows.h> #include <share.h> #include <errno.h> #include "wchar_filename.h" static int win32_open(const char *filename_utf8, int oflag, int pmode) { int fd; wchar_t *filename_w; /* convert UTF-8 to wide chars */ if (utf8towchar(filename_utf8, &filename_w)) return -1; if (!filename_w) goto fallback; fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode); av_freep(&filename_w); if (fd != -1 || (oflag & O_CREAT)) return fd; fallback: /* filename may be in CP_ACP */ return _sopen(filename_utf8, oflag, SH_DENYNO, pmode); } #define open win32_open #endif int avpriv_open(const char *filename, int flags, ...) { int fd; unsigned int mode = 0; va_list ap; va_start(ap, flags); if (flags & O_CREAT) mode = va_arg(ap, unsigned int); va_end(ap); #ifdef O_CLOEXEC flags |= O_CLOEXEC; #endif fd = open(filename, flags, mode); #if HAVE_FCNTL if (fd != -1) { if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) av_log(NULL, AV_LOG_DEBUG, "Failed to set close on exec\n"); } #endif return fd; } FILE *av_fopen_utf8(const char *path, const char *mode) { int fd; int access; const char *m = mode; switch (*m++) { case 'r': access = O_RDONLY; break; case 'w': access = O_CREAT|O_WRONLY|O_TRUNC; break; case 'a': access = O_CREAT|O_WRONLY|O_APPEND; break; default : errno = EINVAL; return NULL; } while (*m) { if (*m == '+') { access &= ~(O_RDONLY | O_WRONLY); access |= O_RDWR; } else if (*m == 'b') { #ifdef O_BINARY access |= O_BINARY; #endif } else if (*m) { errno = EINVAL; return NULL; } m++; } fd = avpriv_open(path, access, 0666); if (fd == -1) return NULL; return fdopen(fd, mode); }