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/*
* unicode/utf-8 I/O helpers and wrappers for Windows
*
* This file is part of mplayer2.
* Contains parts based on libav code (http://libav.org).
*
* mplayer2 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mplayer2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mplayer2. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef _WIN32
#include <windows.h>
#include <wchar.h>
#include <stdio.h>
#include <stddef.h>
#include "osdep/io.h"
#include "talloc.h"
//copied and modified from libav
//http://git.libav.org/?p=libav.git;a=blob;f=libavformat/os_support.c;h=a0fcd6c9ba2be4b0dbcc476f6c53587345cc1152;hb=HEADl30
wchar_t *mp_from_utf8(void *talloc_ctx, const char *s)
{
int count = MultiByteToWideChar(CP_UTF8, 0, s, -1, NULL, 0);
if (count <= 0)
abort();
wchar_t *ret = talloc_array(talloc_ctx, wchar_t, count);
MultiByteToWideChar(CP_UTF8, 0, s, -1, ret, count);
return ret;
}
char *mp_to_utf8(void *talloc_ctx, const wchar_t *s)
{
int count = WideCharToMultiByte(CP_UTF8, 0, s, -1, NULL, 0, NULL, NULL);
if (count <= 0)
abort();
char *ret = talloc_array(talloc_ctx, char, count);
WideCharToMultiByte(CP_UTF8, 0, s, -1, ret, count, NULL, NULL);
return ret;
}
#endif // _WIN32
#ifdef __MINGW32__
#include <io.h>
#include <fcntl.h>
//http://git.libav.org/?p=libav.git;a=blob;f=cmdutils.c;h=ade3f10ce2fc030e32e375a85fbd06c26d43a433#l161
static char** win32_argv_utf8;
static int win32_argc;
void mp_get_converted_argv(int *argc, char ***argv)
{
if (!win32_argv_utf8) {
win32_argc = 0;
wchar_t **argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);
if (win32_argc <= 0 || !argv_w)
return;
win32_argv_utf8 = talloc_zero_array(NULL, char*, win32_argc + 1);
for (int i = 0; i < win32_argc; i++) {
win32_argv_utf8[i] = mp_to_utf8(NULL, argv_w[i]);
}
LocalFree(argv_w);
}
*argc = win32_argc;
*argv = win32_argv_utf8;
}
int mp_stat(const char *path, struct stat *buf)
{
wchar_t *wpath = mp_from_utf8(NULL, path);
int res = _wstat64(wpath, buf);
talloc_free(wpath);
return res;
}
int mp_open(const char *filename, int oflag, ...)
{
int mode = 0;
if (oflag & _O_CREAT) {
va_list va;
va_start(va, oflag);
mode = va_arg(va, int);
va_end(va);
}
wchar_t *wpath = mp_from_utf8(NULL, filename);
int res = _wopen(wpath, oflag, mode);
talloc_free(wpath);
return res;
}
int mp_creat(const char *filename, int mode)
{
return open(filename, O_CREAT|O_WRONLY|O_TRUNC, mode);
}
FILE *mp_fopen(const char *filename, const char *mode)
{
wchar_t *wpath = mp_from_utf8(NULL, filename);
wchar_t *wmode = mp_from_utf8(wpath, mode);
FILE *res = _wfopen(wpath, wmode);
talloc_free(wpath);
return res;
}
struct mp_dir {
DIR crap; // must be first member
_WDIR *wdir;
union {
struct dirent dirent;
// dirent has space only for FILENAME_MAX bytes. _wdirent has space for
// FILENAME_MAX wchar_t, which might end up bigger as UTF-8 in some
// cases. Guarantee we can always hold _wdirent.d_name converted to
// UTF-8 (see MP_PATH_MAX).
// This works because dirent.d_name is the last member of dirent.
char space[MP_PATH_MAX];
};
};
DIR* mp_opendir(const char *path)
{
wchar_t *wpath = mp_from_utf8(NULL, path);
_WDIR *wdir = _wopendir(wpath);
talloc_free(wpath);
if (!wdir)
return NULL;
struct mp_dir *mpdir = talloc(NULL, struct mp_dir);
// DIR is supposed to be opaque, but unfortunately the MinGW headers still
// define it. Make sure nobody tries to use it.
memset(&mpdir->crap, 0xCD, sizeof(mpdir->crap));
mpdir->wdir = wdir;
return (DIR*)mpdir;
}
struct dirent* mp_readdir(DIR *dir)
{
struct mp_dir *mpdir = (struct mp_dir*)dir;
struct _wdirent *wdirent = _wreaddir(mpdir->wdir);
if (!wdirent)
return NULL;
size_t buffersize = sizeof(mpdir->space) - offsetof(struct dirent, d_name);
WideCharToMultiByte(CP_UTF8, 0, wdirent->d_name, -1, mpdir->dirent.d_name,
buffersize, NULL, NULL);
mpdir->dirent.d_ino = 0;
mpdir->dirent.d_reclen = 0;
mpdir->dirent.d_namlen = strlen(mpdir->dirent.d_name);
return &mpdir->dirent;
}
int mp_closedir(DIR *dir)
{
struct mp_dir *mpdir = (struct mp_dir*)dir;
int res = _wclosedir(mpdir->wdir);
talloc_free(mpdir);
return res;
}
int mp_mkdir(const char *path, int mode)
{
wchar_t *wpath = mp_from_utf8(NULL, path);
int res = _wmkdir(wpath);
talloc_free(wpath);
return res;
}
#endif // __MINGW32__
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