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