wine/dlls/avifil32/string.c
2001-06-07 22:28:19 +00:00

96 lines
1.8 KiB
C

/*
* Copyright 2001 Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
*/
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "winbase.h"
#include "winnls.h"
#include "mmsystem.h"
#include "winerror.h"
#include "vfw.h"
#include "debugtools.h"
#include "avifile_private.h"
DEFAULT_DEBUG_CHANNEL(avifile);
/****************************************************************************
* string APIs (internal) - Copied from wine/dlls/imm32/string.c
*/
INT AVIFILE_strlenAtoW( LPCSTR lpstr )
{
INT len;
len = MultiByteToWideChar( CP_ACP, 0, lpstr, -1, NULL, 0 );
return ( len > 0 ) ? (len-1) : 0;
}
INT AVIFILE_strlenWtoA( LPCWSTR lpwstr )
{
INT len;
len = WideCharToMultiByte( CP_ACP, 0, lpwstr, -1,
NULL, 0, NULL, NULL );
return ( len > 0 ) ? (len-1) : 0;
}
LPWSTR AVIFILE_strncpyAtoW( LPWSTR lpwstr, LPCSTR lpstr, INT wbuflen )
{
INT len;
len = MultiByteToWideChar( CP_ACP, 0, lpstr, -1, lpwstr, wbuflen );
if ( len == 0 )
*lpwstr = 0;
return lpwstr;
}
LPSTR AVIFILE_strncpyWtoA( LPSTR lpstr, LPCWSTR lpwstr, INT abuflen )
{
INT len;
len = WideCharToMultiByte( CP_ACP, 0, lpwstr, -1,
lpstr, abuflen, NULL, NULL );
if ( len == 0 )
*lpstr = 0;
return lpstr;
}
LPWSTR AVIFILE_strdupAtoW( LPCSTR lpstr )
{
INT len;
LPWSTR lpwstr = NULL;
len = AVIFILE_strlenAtoW( lpstr );
if ( len > 0 )
{
lpwstr = (LPWSTR)HeapAlloc( AVIFILE_data.hHeap, 0, sizeof(WCHAR)*(len+1) );
if ( lpwstr != NULL )
(void)AVIFILE_strncpyAtoW( lpwstr, lpstr, len+1 );
}
return lpwstr;
}
LPSTR AVIFILE_strdupWtoA( LPCWSTR lpwstr )
{
INT len;
LPSTR lpstr = NULL;
len = AVIFILE_strlenWtoA( lpwstr );
if ( len > 0 )
{
lpstr = (LPSTR)HeapAlloc( AVIFILE_data.hHeap, 0, sizeof(CHAR)*(len+1) );
if ( lpstr != NULL )
(void)AVIFILE_strncpyWtoA( lpstr, lpwstr, len+1 );
}
return lpstr;
}