Sweden-Number/dlls/imm32/string.c

91 lines
1.6 KiB
C

/*
* Helper functions for ANSI<->UNICODE string conversion
*
* Copyright 2000 Hidenori Takeshima
*/
#include "config.h"
#include "winbase.h"
#include "windef.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "winnls.h"
#include "immddk.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(imm);
#include "imm_private.h"
INT IMM32_strlenAtoW( LPCSTR lpstr )
{
INT len;
len = MultiByteToWideChar( CP_ACP, 0, lpstr, -1, NULL, 0 );
return ( len > 0 ) ? (len-1) : 0;
}
INT IMM32_strlenWtoA( LPCWSTR lpwstr )
{
INT len;
len = WideCharToMultiByte( CP_ACP, 0, lpwstr, -1,
NULL, 0, NULL, NULL );
return ( len > 0 ) ? (len-1) : 0;
}
LPWSTR IMM32_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 IMM32_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 IMM32_strdupAtoW( LPCSTR lpstr )
{
INT len;
LPWSTR lpwstr = NULL;
len = IMM32_strlenAtoW( lpstr );
if ( len > 0 )
{
lpwstr = (LPWSTR)IMM32_HeapAlloc( 0, sizeof(WCHAR)*(len+1) );
if ( lpwstr != NULL )
(void)IMM32_strncpyAtoW( lpwstr, lpstr, len+1 );
}
return lpwstr;
}
LPSTR IMM32_strdupWtoA( LPCWSTR lpwstr )
{
INT len;
LPSTR lpstr = NULL;
len = IMM32_strlenWtoA( lpwstr );
if ( len > 0 )
{
lpstr = (LPSTR)IMM32_HeapAlloc( 0, sizeof(CHAR)*(len+1) );
if ( lpstr != NULL )
(void)IMM32_strncpyWtoA( lpstr, lpwstr, len+1 );
}
return lpstr;
}