Sweden-Number/dlls/crtdll/mbstring.c

46 lines
1.1 KiB
C

/*
* CRTDLL multi-byte string functions
*
* Copyright 1999 Alexandre Julliard
*/
#include "windef.h"
#include "winbase.h"
#include "crtdll.h"
/*********************************************************************
* CRTDLL__mbsinc (CRTDLL.205)
*/
LPSTR __cdecl CRTDLL__mbsinc( LPCSTR str )
{
if (IsDBCSLeadByte( *str )) str++;
return (LPSTR)(str + 1);
}
/*********************************************************************
* CRTDLL__mbslen (CRTDLL.206)
*/
INT __cdecl CRTDLL__mbslen( LPCSTR str )
{
INT len;
for (len = 0; *str; len++, str++) if (IsDBCSLeadByte(str[0]) && str[1]) str++;
return len;
}
/*********************************************************************
* CRTDLL_mbtowc (CRTDLL.430)
*/
INT __cdecl CRTDLL_mbtowc( WCHAR *dst, LPCSTR str, INT n )
{
if (n <= 0) return 0;
if (!str) return 0;
if (!MultiByteToWideChar( CP_ACP, 0, str, n, dst, 1 )) return 0;
/* return the number of bytes from src that have been used */
if (!*str) return 0;
if (n >= 2 && IsDBCSLeadByte(*str) && str[1]) return 2;
return 1;
}