Sweden-Number/dlls/ntdll/wcstring.c

541 lines
12 KiB
C

/*
* NTDLL wide-char functions
*
* Copyright 2000 Alexandre Julliard
* Copyright 2000 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <ctype.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "ntddk.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
/*********************************************************************
* _wcsicmp (NTDLL.@)
*/
INT __cdecl NTDLL__wcsicmp( LPCWSTR str1, LPCWSTR str2 )
{
return strcmpiW( str1, str2 );
}
/*********************************************************************
* _wcslwr (NTDLL.@)
*/
LPWSTR __cdecl NTDLL__wcslwr( LPWSTR str )
{
return strlwrW( str );
}
/*********************************************************************
* _wcsnicmp (NTDLL.@)
*/
INT __cdecl NTDLL__wcsnicmp( LPCWSTR str1, LPCWSTR str2, INT n )
{
return strncmpiW( str1, str2, n );
}
/*********************************************************************
* _wcsupr (NTDLL.@)
*/
LPWSTR __cdecl NTDLL__wcsupr( LPWSTR str )
{
return struprW( str );
}
/*********************************************************************
* towlower (NTDLL.@)
*/
WCHAR __cdecl NTDLL_towlower( WCHAR ch )
{
return tolowerW(ch);
}
/*********************************************************************
* towupper (NTDLL.@)
*/
WCHAR __cdecl NTDLL_towupper( WCHAR ch )
{
return toupperW(ch);
}
/***********************************************************************
* wcscat (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcscat( LPWSTR dst, LPCWSTR src )
{
return strcatW( dst, src );
}
/*********************************************************************
* wcschr (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcschr( LPCWSTR str, WCHAR ch )
{
return strchrW( str, ch );
}
/*********************************************************************
* wcscmp (NTDLL.@)
*/
INT __cdecl NTDLL_wcscmp( LPCWSTR str1, LPCWSTR str2 )
{
return strcmpW( str1, str2 );
}
/***********************************************************************
* wcscpy (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcscpy( LPWSTR dst, LPCWSTR src )
{
return strcpyW( dst, src );
}
/*********************************************************************
* wcscspn (NTDLL.@)
*/
INT __cdecl NTDLL_wcscspn( LPCWSTR str, LPCWSTR reject )
{
LPCWSTR start = str;
while (*str)
{
LPCWSTR p = reject;
while (*p && (*p != *str)) p++;
if (*p) break;
str++;
}
return str - start;
}
/***********************************************************************
* wcslen (NTDLL.@)
*/
INT __cdecl NTDLL_wcslen( LPCWSTR str )
{
return strlenW( str );
}
/*********************************************************************
* wcsncat (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcsncat( LPWSTR s1, LPCWSTR s2, INT n )
{
LPWSTR ret = s1;
while (*s1) s1++;
while (n-- > 0) if (!(*s1++ = *s2++)) return ret;
*s1 = 0;
return ret;
}
/*********************************************************************
* wcsncmp (NTDLL.@)
*/
INT __cdecl NTDLL_wcsncmp( LPCWSTR str1, LPCWSTR str2, INT n )
{
return strncmpW( str1, str2, n );
}
/*********************************************************************
* wcsncpy (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcsncpy( LPWSTR s1, LPCWSTR s2, INT n )
{
return strncpyW( s1, s2, n );
}
/*********************************************************************
* wcspbrk (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcspbrk( LPCWSTR str, LPCWSTR accept )
{
LPCWSTR p;
while (*str)
{
for (p = accept; *p; p++) if (*p == *str) return (LPWSTR)str;
str++;
}
return NULL;
}
/*********************************************************************
* wcsrchr (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcsrchr( LPWSTR str, WCHAR ch )
{
LPWSTR last = NULL;
while (*str)
{
if (*str == ch) last = str;
str++;
}
return last;
}
/*********************************************************************
* wcsspn (NTDLL.@)
*/
INT __cdecl NTDLL_wcsspn( LPCWSTR str, LPCWSTR accept )
{
LPCWSTR start = str;
while (*str)
{
LPCWSTR p = accept;
while (*p && (*p != *str)) p++;
if (!*p) break;
str++;
}
return str - start;
}
/*********************************************************************
* wcsstr (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcsstr( LPCWSTR str, LPCWSTR sub )
{
return strstrW( str, sub );
}
/*********************************************************************
* wcstok (NTDLL.@)
*/
LPWSTR __cdecl NTDLL_wcstok( LPWSTR str, LPCWSTR delim )
{
static LPWSTR next = NULL;
LPWSTR ret;
if (!str)
if (!(str = next)) return NULL;
while (*str && NTDLL_wcschr( delim, *str )) str++;
if (!*str) return NULL;
ret = str++;
while (*str && !NTDLL_wcschr( delim, *str )) str++;
if (*str) *str++ = 0;
next = str;
return ret;
}
/*********************************************************************
* wcstombs (NTDLL.@)
*/
INT __cdecl NTDLL_wcstombs( LPSTR dst, LPCWSTR src, INT n )
{
DWORD len;
if (!dst)
{
RtlUnicodeToMultiByteSize( &len, src, strlenW(src)*sizeof(WCHAR) );
return len;
}
else
{
if (n <= 0) return 0;
RtlUnicodeToMultiByteN( dst, n, &len, src, strlenW(src)*sizeof(WCHAR) );
if (len < n) dst[len] = 0;
}
return len;
}
/*********************************************************************
* mbstowcs (NTDLL.@)
*/
INT __cdecl NTDLL_mbstowcs( LPWSTR dst, LPCSTR src, INT n )
{
DWORD len;
if (!dst)
{
RtlMultiByteToUnicodeSize( &len, src, strlen(src) );
}
else
{
if (n <= 0) return 0;
RtlMultiByteToUnicodeN( dst, n*sizeof(WCHAR), &len, src, strlen(src) );
if (len / sizeof(WCHAR) < n) dst[len / sizeof(WCHAR)] = 0;
}
return len / sizeof(WCHAR);
}
/*********************************************************************
* wcstol (NTDLL.@)
*/
long __cdecl NTDLL_wcstol(LPCWSTR s,LPWSTR *end,INT base)
{
return strtolW( s, end, base );
}
/*********************************************************************
* wcstoul (NTDLL.@)
*/
unsigned long __cdecl NTDLL_wcstoul(LPCWSTR s,LPWSTR *end,INT base)
{
return strtoulW( s, end, base );
}
/*********************************************************************
* iswctype (NTDLL.@)
*/
INT __cdecl NTDLL_iswctype( WCHAR wc, WCHAR wct )
{
return (get_char_typeW(wc) & 0xfff) & wct;
}
/*********************************************************************
* iswalpha (NTDLL.@)
*/
INT __cdecl NTDLL_iswalpha( WCHAR wc )
{
return get_char_typeW(wc) & C1_ALPHA;
}
/*********************************************************************
* _ultow (NTDLL.@)
* Like _ultoa, but for wide character strings.
*/
LPWSTR __cdecl _ultow(ULONG value, LPWSTR string, INT radix)
{
WCHAR tmp[33];
LPWSTR tp = tmp;
LPWSTR sp;
LONG i;
ULONG v = value;
if (radix > 36 || radix <= 1)
return 0;
while (v || tp == tmp)
{
i = v % radix;
v = v / radix;
if (i < 10)
*tp++ = i + '0';
else
*tp++ = i + 'a' - 10;
}
sp = string;
while (tp > tmp)
*sp++ = *--tp;
*sp = 0;
return string;
}
/*********************************************************************
* _wtol (NTDLL.@)
* Like atol, but for wide character strings.
*/
LONG __cdecl NTDLL__wtol(LPWSTR string)
{
return strtolW( string, NULL, 10 );
}
/*********************************************************************
* _wtoi (NTDLL.@)
*/
INT __cdecl NTDLL__wtoi(LPWSTR string)
{
return NTDLL__wtol(string);
}
/* INTERNAL: Wide char snprintf
* If you fix a bug in this function, fix it in msvcrt/wcs.c also!
*/
static int __cdecl NTDLL_vsnwprintf(WCHAR *str, unsigned int len,
const WCHAR *format, va_list valist)
{
unsigned int written = 0;
const WCHAR *iter = format;
char bufa[256], fmtbufa[64], *fmta;
TRACE("(%d,%s)\n",len,debugstr_w(format));
while (*iter)
{
while (*iter && *iter != (WCHAR)L'%')
{
if (written++ >= len)
return -1;
*str++ = *iter++;
}
if (*iter == (WCHAR)L'%')
{
fmta = fmtbufa;
*fmta++ = *iter++;
while (*iter == (WCHAR)L'0' ||
*iter == (WCHAR)L'+' ||
*iter == (WCHAR)L'-' ||
*iter == (WCHAR)L' ' ||
*iter == (WCHAR)L'0' ||
*iter == (WCHAR)L'*' ||
*iter == (WCHAR)L'#')
{
if (*iter == (WCHAR)L'*')
{
char *buffiter = bufa;
int fieldlen = va_arg(valist, int);
sprintf(buffiter, "%d", fieldlen);
while (*buffiter)
*fmta++ = *buffiter++;
}
else
*fmta++ = *iter;
iter++;
}
while (isdigit(*iter))
*fmta++ = *iter++;
if (*iter == (WCHAR)L'.')
{
*fmta++ = *iter++;
if (*iter == (WCHAR)L'*')
{
char *buffiter = bufa;
int fieldlen = va_arg(valist, int);
sprintf(buffiter, "%d", fieldlen);
while (*buffiter)
*fmta++ = *buffiter++;
}
else
while (isdigit(*iter))
*fmta++ = *iter++;
}
if (*iter == (WCHAR)L'h' ||
*iter == (WCHAR)L'l')
*fmta++ = *iter++;
switch (*iter)
{
case (WCHAR)L's':
{
static const WCHAR none[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
const WCHAR *wstr = va_arg(valist, const WCHAR *);
const WCHAR *striter = wstr ? wstr : none;
while (*striter)
{
if (written++ >= len)
return -1;
*str++ = *striter++;
}
iter++;
break;
}
case (WCHAR)L'c':
if (written++ >= len)
return -1;
*str++ = (WCHAR)va_arg(valist, int);
iter++;
break;
default:
{
/* For non wc types, use system sprintf and append to wide char output */
/* FIXME: for unrecognised types, should ignore % when printing */
char *bufaiter = bufa;
if (*iter == (WCHAR)L'p')
sprintf(bufaiter, "%08lX", va_arg(valist, long));
else
{
*fmta++ = *iter;
*fmta = '\0';
if (*iter == (WCHAR)L'f')
sprintf(bufaiter, fmtbufa, va_arg(valist, double));
else
sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
}
while (*bufaiter)
{
if (written++ >= len)
return -1;
*str++ = *bufaiter++;
}
iter++;
break;
}
}
}
}
if (written >= len)
return -1;
*str++ = (WCHAR)L'\0';
return (int)written;
}
/***********************************************************************
* _snwprintf (NTDLL.@)
*/
int __cdecl _snwprintf(WCHAR *str, unsigned int len, const WCHAR *format, ...)
{
int retval;
va_list valist;
va_start(valist, format);
retval = NTDLL_vsnwprintf(str, len, format, valist);
va_end(valist);
return retval;
}
/***********************************************************************
* swprintf (NTDLL.@)
*/
int __cdecl NTDLL_swprintf(WCHAR *str, const WCHAR *format, ...)
{
int retval;
va_list valist;
va_start(valist, format);
retval = NTDLL_vsnwprintf(str, INT_MAX, format, valist);
va_end(valist);
return retval;
}