common/osdep.c

   1 /*****************************************************************************
   2  * osdep.c
   3  *****************************************************************************
   4  * Copyright (C) 2013-2017 L-SMASH project
   5  *
   6  * Authors: Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
   7  *
   8  * Permission to use, copy, modify, and/or distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  *****************************************************************************/
  20
  21 /* This file is available under an ISC license. */
  22
  23 #include "internal.h" /* must be placed first */
  24
  25 #include <stdlib.h>
  26
  27 #ifdef _WIN32
  28 #include <windows.h>
  29 #endif
  30
  31 #ifdef _WIN32
  32
  33 int lsmash_string_to_wchar( int cp, const char *from, wchar_t **to )
  34 {
  35     int nc = MultiByteToWideChar( cp, 0, from, -1, 0, 0 );
  36     if( nc == 0 )
  37         return 0;
  38     *to = lsmash_malloc( nc * sizeof(wchar_t) );
  39     MultiByteToWideChar( cp, 0, from, -1, *to, nc );
  40     return nc;
  41 }
  42
  43 int lsmash_string_from_wchar( int cp, const wchar_t *from, char **to )
  44 {
  45     int nc = WideCharToMultiByte( cp, 0, from, -1, 0, 0, 0, 0 );
  46     if( nc == 0 )
  47         return 0;
  48     *to = lsmash_malloc( nc * sizeof(char) );
  49     WideCharToMultiByte( cp, 0, from, -1, *to, nc, 0, 0 );
  50     return nc;
  51 }
  52
  53 FILE *lsmash_win32_fopen( const char *name, const char *mode )
  54 {
  55     wchar_t *wname = NULL, *wmode = NULL;
  56     lsmash_string_to_wchar( CP_UTF8, name, &wname );
  57     lsmash_string_to_wchar( CP_UTF8, mode, &wmode );
  58     FILE *fp = _wfopen( wname, wmode );
  59     if( !fp )
  60         fp = fopen( name, mode );
  61     lsmash_free( wname );
  62     lsmash_free( wmode );
  63     return fp;
  64 }
  65
  66 #endif
  67