| /* |
| * various OS-feature replacement utilities |
| * copyright (c) 2000, 2001, 2002 Fabrice Bellard |
| * |
| * 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 |
| */ |
| |
| #ifndef AVFORMAT_OS_SUPPORT_H |
| #define AVFORMAT_OS_SUPPORT_H |
| |
| /** |
| * @file |
| * miscellaneous OS support macros and functions. |
| */ |
| |
| #include "config.h" |
| |
| #include <sys/stat.h> |
| |
| #ifdef _WIN32 |
| #if HAVE_DIRECT_H |
| #include <direct.h> |
| #endif |
| #if HAVE_IO_H |
| #include <io.h> |
| #endif |
| #endif |
| |
| #if defined(_WIN32) && !defined(__MINGW32CE__) |
| # include <fcntl.h> |
| # ifdef lseek |
| # undef lseek |
| # endif |
| # define lseek(f,p,w) _lseeki64((f), (p), (w)) |
| # ifdef stat |
| # undef stat |
| # endif |
| # define stat _stati64 |
| # ifdef fstat |
| # undef fstat |
| # endif |
| # define fstat(f,s) _fstati64((f), (s)) |
| #endif /* defined(_WIN32) && !defined(__MINGW32CE__) */ |
| |
| |
| #ifdef __ANDROID__ |
| # if HAVE_UNISTD_H |
| # include <unistd.h> |
| # endif |
| # ifdef lseek |
| # undef lseek |
| # endif |
| # define lseek(f,p,w) lseek64((f), (p), (w)) |
| #endif |
| |
| static inline int is_dos_path(const char *path) |
| { |
| #if HAVE_DOS_PATHS |
| if (path[0] && path[1] == ':') |
| return 1; |
| #endif |
| return 0; |
| } |
| |
| #if defined(__OS2__) || defined(__Plan9__) |
| #define SHUT_RD 0 |
| #define SHUT_WR 1 |
| #define SHUT_RDWR 2 |
| #endif |
| |
| #if defined(_WIN32) |
| #define SHUT_RD SD_RECEIVE |
| #define SHUT_WR SD_SEND |
| #define SHUT_RDWR SD_BOTH |
| |
| #ifndef S_IRUSR |
| #define S_IRUSR S_IREAD |
| #endif |
| #ifndef S_IWUSR |
| #define S_IWUSR S_IWRITE |
| #endif |
| #endif |
| |
| #if CONFIG_NETWORK |
| #if !HAVE_SOCKLEN_T |
| typedef int socklen_t; |
| #endif |
| |
| /* most of the time closing a socket is just closing an fd */ |
| #if !HAVE_CLOSESOCKET |
| #define closesocket close |
| #endif |
| |
| #if !HAVE_POLL_H |
| typedef unsigned long nfds_t; |
| |
| #if HAVE_WINSOCK2_H |
| #include <winsock2.h> |
| #endif |
| #if !HAVE_STRUCT_POLLFD |
| struct pollfd { |
| int fd; |
| short events; /* events to look for */ |
| short revents; /* events that occurred */ |
| }; |
| |
| /* events & revents */ |
| #define POLLIN 0x0001 /* any readable data available */ |
| #define POLLOUT 0x0002 /* file descriptor is writeable */ |
| #define POLLRDNORM POLLIN |
| #define POLLWRNORM POLLOUT |
| #define POLLRDBAND 0x0008 /* priority readable data */ |
| #define POLLWRBAND 0x0010 /* priority data can be written */ |
| #define POLLPRI 0x0020 /* high priority readable data */ |
| |
| /* revents only */ |
| #define POLLERR 0x0004 /* errors pending */ |
| #define POLLHUP 0x0080 /* disconnected */ |
| #define POLLNVAL 0x1000 /* invalid file descriptor */ |
| #endif |
| |
| |
| int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout); |
| #define poll ff_poll |
| #endif /* HAVE_POLL_H */ |
| #endif /* CONFIG_NETWORK */ |
| |
| #if defined(__MINGW32CE__) |
| #define mkdir(a, b) _mkdir(a) |
| #elif defined(_WIN32) |
| #include <stdio.h> |
| #include <windows.h> |
| #include "libavutil/wchar_filename.h" |
| |
| #ifdef WINAPI_FAMILY |
| #include <winapifamily.h> |
| // If a WINAPI_FAMILY is defined, check that the desktop API subset |
| // is enabled |
| #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) |
| #define USE_MOVEFILEEXA |
| #endif |
| #else |
| // If no WINAPI_FAMILY is defined, assume the full API subset |
| #define USE_MOVEFILEEXA |
| #endif |
| |
| #define DEF_FS_FUNCTION(name, wfunc, afunc) \ |
| static inline int win32_##name(const char *filename_utf8) \ |
| { \ |
| wchar_t *filename_w; \ |
| int ret; \ |
| \ |
| if (utf8towchar(filename_utf8, &filename_w)) \ |
| return -1; \ |
| if (!filename_w) \ |
| goto fallback; \ |
| \ |
| ret = wfunc(filename_w); \ |
| av_free(filename_w); \ |
| return ret; \ |
| \ |
| fallback: \ |
| /* filename may be be in CP_ACP */ \ |
| return afunc(filename_utf8); \ |
| } |
| |
| DEF_FS_FUNCTION(unlink, _wunlink, _unlink) |
| DEF_FS_FUNCTION(mkdir, _wmkdir, _mkdir) |
| DEF_FS_FUNCTION(rmdir, _wrmdir , _rmdir) |
| |
| static inline int win32_rename(const char *src_utf8, const char *dest_utf8) |
| { |
| wchar_t *src_w, *dest_w; |
| int ret; |
| |
| if (utf8towchar(src_utf8, &src_w)) |
| return -1; |
| if (utf8towchar(dest_utf8, &dest_w)) { |
| av_free(src_w); |
| return -1; |
| } |
| if (!src_w || !dest_w) { |
| av_free(src_w); |
| av_free(dest_w); |
| goto fallback; |
| } |
| |
| ret = MoveFileExW(src_w, dest_w, MOVEFILE_REPLACE_EXISTING); |
| av_free(src_w); |
| av_free(dest_w); |
| // Lacking proper mapping from GetLastError() error codes to errno codes |
| if (ret) |
| errno = EPERM; |
| return ret; |
| |
| fallback: |
| /* filename may be be in CP_ACP */ |
| #ifdef USE_MOVEFILEEXA |
| ret = MoveFileExA(src_utf8, dest_utf8, MOVEFILE_REPLACE_EXISTING); |
| if (ret) |
| errno = EPERM; |
| #else |
| /* Windows Phone doesn't have MoveFileExA, and for Windows Store apps, |
| * it is available but not allowed by the app certification kit. However, |
| * it's unlikely that anybody would input filenames in CP_ACP there, so this |
| * fallback is kept mostly for completeness. Alternatively we could |
| * do MultiByteToWideChar(CP_ACP) and use MoveFileExW, but doing |
| * explicit conversions with CP_ACP is allegedly forbidden in windows |
| * store apps (or windows phone), and the notion of a native code page |
| * doesn't make much sense there. */ |
| ret = rename(src_utf8, dest_utf8); |
| #endif |
| return ret; |
| } |
| |
| #define mkdir(a, b) win32_mkdir(a) |
| #define rename win32_rename |
| #define rmdir win32_rmdir |
| #define unlink win32_unlink |
| |
| #endif |
| |
| #endif /* AVFORMAT_OS_SUPPORT_H */ |
