mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
d09dacc197
Fixes checkheaders for Windows targets. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
318 lines
8.8 KiB
C
318 lines
8.8 KiB
C
/*
|
|
* 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
|
|
|
|
#ifdef _WIN32
|
|
# include <fcntl.h>
|
|
# include <stdint.h>
|
|
# ifdef lseek
|
|
# undef lseek
|
|
# endif
|
|
# define lseek(f,p,w) _lseeki64((f), (p), (w))
|
|
# ifdef stat
|
|
# undef stat
|
|
# endif
|
|
|
|
# define stat win32_stat
|
|
|
|
/*
|
|
* The POSIX definition for the stat() function uses a struct of the
|
|
* same name (struct stat), that why it takes this extra effort for
|
|
* redirecting/replacing the stat() function with our own one which
|
|
* is capable to handle long path names on Windows.
|
|
* The struct below roughly follows the POSIX definition. Time values
|
|
* are 64bit, but in cases when _USE_32BIT_TIME_T is defined, they
|
|
* will be set to values no larger than INT32_MAX which corresponds
|
|
* to file times up to the year 2038.
|
|
*/
|
|
struct win32_stat
|
|
{
|
|
_dev_t st_dev; /* ID of device containing file */
|
|
_ino_t st_ino; /* inode number */
|
|
unsigned short st_mode; /* protection */
|
|
short st_nlink; /* number of hard links */
|
|
short st_uid; /* user ID of owner */
|
|
short st_gid; /* group ID of owner */
|
|
_dev_t st_rdev; /* device ID (if special file) */
|
|
int64_t st_size; /* total size, in bytes */
|
|
int64_t st_atime; /* time of last access */
|
|
int64_t st_mtime; /* time of last modification */
|
|
int64_t st_ctime; /* time of last status change */
|
|
};
|
|
|
|
# ifdef fstat
|
|
# undef fstat
|
|
# endif
|
|
# define fstat win32_fstat
|
|
#endif /* defined(_WIN32) */
|
|
|
|
|
|
#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(_WIN32)
|
|
#ifndef S_IRUSR
|
|
#define S_IRUSR S_IREAD
|
|
#endif
|
|
#ifndef S_IWUSR
|
|
#define S_IWUSR S_IWRITE
|
|
#endif
|
|
#endif
|
|
|
|
#if CONFIG_NETWORK
|
|
#if defined(_WIN32)
|
|
#define SHUT_RD SD_RECEIVE
|
|
#define SHUT_WR SD_SEND
|
|
#define SHUT_RDWR SD_BOTH
|
|
#else
|
|
#include <sys/socket.h>
|
|
#if !defined(SHUT_RD) /* OS/2, DJGPP */
|
|
#define SHUT_RD 0
|
|
#define SHUT_WR 1
|
|
#define SHUT_RDWR 2
|
|
#endif
|
|
#endif
|
|
|
|
#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 */
|
|
|
|
#ifdef _WIN32
|
|
#include <stdio.h>
|
|
#include <windows.h>
|
|
#include "libavutil/wchar_filename.h"
|
|
|
|
#define DEF_FS_FUNCTION(name, wfunc, afunc) \
|
|
static inline int win32_##name(const char *filename_utf8) \
|
|
{ \
|
|
wchar_t *filename_w; \
|
|
int ret; \
|
|
\
|
|
if (get_extended_win32_path(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_access(const char *filename_utf8, int mode)
|
|
{
|
|
wchar_t *filename_w;
|
|
int ret;
|
|
if (get_extended_win32_path(filename_utf8, &filename_w))
|
|
return -1;
|
|
if (!filename_w)
|
|
goto fallback;
|
|
ret = _waccess(filename_w, mode);
|
|
av_free(filename_w);
|
|
return ret;
|
|
fallback:
|
|
return _access(filename_utf8, mode);
|
|
}
|
|
|
|
static inline void copy_stat(struct _stat64 *crtstat, struct win32_stat *buf)
|
|
{
|
|
buf->st_dev = crtstat->st_dev;
|
|
buf->st_ino = crtstat->st_ino;
|
|
buf->st_mode = crtstat->st_mode;
|
|
buf->st_nlink = crtstat->st_nlink;
|
|
buf->st_uid = crtstat->st_uid;
|
|
buf->st_gid = crtstat->st_gid;
|
|
buf->st_rdev = crtstat->st_rdev;
|
|
buf->st_size = crtstat->st_size;
|
|
buf->st_atime = crtstat->st_atime;
|
|
buf->st_mtime = crtstat->st_mtime;
|
|
buf->st_ctime = crtstat->st_ctime;
|
|
}
|
|
|
|
static inline int win32_stat(const char *filename_utf8, struct win32_stat *buf)
|
|
{
|
|
struct _stat64 crtstat = { 0 };
|
|
wchar_t *filename_w;
|
|
int ret;
|
|
|
|
if (get_extended_win32_path(filename_utf8, &filename_w))
|
|
return -1;
|
|
|
|
if (filename_w) {
|
|
ret = _wstat64(filename_w, &crtstat);
|
|
av_free(filename_w);
|
|
} else
|
|
ret = _stat64(filename_utf8, &crtstat);
|
|
|
|
copy_stat(&crtstat, buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int win32_fstat(int fd, struct win32_stat *buf)
|
|
{
|
|
struct _stat64 crtstat = { 0 };
|
|
int ret;
|
|
|
|
ret = _fstat64(fd, &crtstat);
|
|
|
|
copy_stat(&crtstat, buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int win32_rename(const char *src_utf8, const char *dest_utf8)
|
|
{
|
|
wchar_t *src_w, *dest_w;
|
|
int ret;
|
|
|
|
if (get_extended_win32_path(src_utf8, &src_w))
|
|
return -1;
|
|
if (get_extended_win32_path(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 */
|
|
#if !HAVE_UWP
|
|
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
|
|
#define access win32_access
|
|
|
|
#endif
|
|
|
|
#endif /* AVFORMAT_OS_SUPPORT_H */
|