658 lines
15 KiB
C
658 lines
15 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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* Copyright 2003 Thomas Mertes
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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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*
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* Converts an unsigned long integer to an unicode string.
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*
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* Assigns a '\0' terminated string to str and returns str.
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* Does not check if radix is in the range of 2 to 36 (as native DLL).
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* For str == NULL just returns NULL (as native DLL).
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*/
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LPWSTR __cdecl _ultow( unsigned long value, LPWSTR str, INT radix )
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{
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WCHAR buffer[33];
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PWCHAR pos;
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WCHAR digit;
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pos = &buffer[32];
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*pos = '\0';
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do {
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digit = value % radix;
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value = value / radix;
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if (digit < 10) {
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*--pos = '0' + digit;
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} else {
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*--pos = 'a' + digit - 10;
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} /* if */
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} while (value != 0L);
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if (str != NULL) {
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memcpy(str, pos, (&buffer[32] - pos + 1) * sizeof(WCHAR));
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} /* if */
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return str;
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}
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/*********************************************************************
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* _ltow (NTDLL.@)
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*
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* Converts a long integer to an unicode string.
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*
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* Assigns a '\0' terminated string to str and returns str. If radix
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* is 10 and value is negative, the value is converted with sign.
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* Does not check if radix is in the range of 2 to 36 (as native DLL).
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* For str == NULL just returns NULL (as native DLL).
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*/
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LPWSTR __cdecl _ltow( long value, LPWSTR str, INT radix )
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{
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unsigned long val;
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int negative;
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WCHAR buffer[33];
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PWCHAR pos;
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WCHAR digit;
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if (value < 0 && radix == 10) {
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negative = 1;
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val = -value;
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} else {
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negative = 0;
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val = value;
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} /* if */
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pos = &buffer[32];
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*pos = '\0';
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do {
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digit = val % radix;
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val = val / radix;
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if (digit < 10) {
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*--pos = '0' + digit;
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} else {
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*--pos = 'a' + digit - 10;
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} /* if */
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} while (val != 0L);
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if (negative) {
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*--pos = '-';
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} /* if */
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if (str != NULL) {
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memcpy(str, pos, (&buffer[32] - pos + 1) * sizeof(WCHAR));
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} /* if */
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return str;
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}
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/*********************************************************************
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* _itow (NTDLL.@)
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*
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* Converts an integer to an unicode string.
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*
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* Assigns a '\0' terminated wstring to str and returns str. If radix
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* is 10 and value is negative, the value is converted with sign.
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* Does not check if radix is in the range of 2 to 36 (as native DLL).
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* For str == NULL just returns NULL (as native DLL).
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*
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* Difference:
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* - The native DLL crashes when the string is longer than 19 chars.
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* This function does not have this bug.
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*/
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LPWSTR __cdecl _itow( int value, LPWSTR str, INT radix )
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{
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return _ltow(value, str, radix);
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}
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/*********************************************************************
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* _ui64tow (NTDLL.@)
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*
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* Converts a large unsigned integer to an unicode string.
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*
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* Assigns a '\0' terminated wstring to str and returns str.
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* Does not check if radix is in the range of 2 to 36 (as native DLL).
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* For str == NULL just returns NULL (as native DLL).
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*
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* Difference:
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* - This function does not exist in the native DLL (but in msvcrt).
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* But since the maintenance of all these functions is better done
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* in one place we implement it here.
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*/
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LPWSTR __cdecl _ui64tow( ULONGLONG value, LPWSTR str, INT radix )
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{
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WCHAR buffer[65];
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PWCHAR pos;
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WCHAR digit;
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pos = &buffer[64];
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*pos = '\0';
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do {
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digit = value % radix;
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value = value / radix;
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if (digit < 10) {
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*--pos = '0' + digit;
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} else {
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*--pos = 'a' + digit - 10;
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} /* if */
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} while (value != 0L);
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if (str != NULL) {
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memcpy(str, pos, (&buffer[64] - pos + 1) * sizeof(WCHAR));
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} /* if */
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return str;
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}
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/*********************************************************************
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* _i64tow (NTDLL.@)
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*
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* Converts a large integer to an unicode string.
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*
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* Assigns a '\0' terminated wstring to str and returns str. If radix
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* is 10 and value is negative, the value is converted with sign.
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* Does not check if radix is in the range of 2 to 36 (as native DLL).
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* For str == NULL just returns NULL (as native DLL).
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*
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* Difference:
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* - The native DLL converts negative values (for base 10) wrong:
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* -1 is converted to -18446744073709551615
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* -2 is converted to -18446744073709551614
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* -9223372036854775807 is converted to -9223372036854775809
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* -9223372036854775808 is converted to -9223372036854775808
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* The native msvcrt _i64tow function and our ntdll function do
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* not have this bug.
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*/
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LPWSTR __cdecl _i64tow( LONGLONG value, LPWSTR str, INT radix )
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{
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ULONGLONG val;
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int negative;
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WCHAR buffer[65];
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PWCHAR pos;
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WCHAR digit;
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if (value < 0 && radix == 10) {
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negative = 1;
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val = -value;
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} else {
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negative = 0;
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val = value;
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} /* if */
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pos = &buffer[64];
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*pos = '\0';
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do {
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digit = val % radix;
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val = val / radix;
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if (digit < 10) {
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*--pos = '0' + digit;
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} else {
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*--pos = 'a' + digit - 10;
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} /* if */
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} while (val != 0L);
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if (negative) {
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*--pos = '-';
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} /* if */
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if (str != NULL) {
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memcpy(str, pos, (&buffer[64] - pos + 1) * sizeof(WCHAR));
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} /* if */
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return str;
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}
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/*********************************************************************
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* _wtol (NTDLL.@)
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*
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* Converts an unicode string to a long integer.
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*
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* On success it returns the integer value otherwise it returns 0.
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* Accepts: {whitespace} [+|-] {digits}
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* No check of overflow: Just assigns lower 32 bits (as native DLL).
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* Does not check for str != NULL (as native DLL).
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*/
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LONG __cdecl _wtol( LPWSTR str )
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{
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ULONG RunningTotal = 0;
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char bMinus = 0;
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while (isspaceW(*str)) {
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str++;
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} /* while */
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if (*str == '+') {
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str++;
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} else if (*str == '-') {
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bMinus = 1;
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str++;
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} /* if */
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while (*str >= '0' && *str <= '9') {
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RunningTotal = RunningTotal * 10 + *str - '0';
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str++;
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} /* while */
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return bMinus ? -RunningTotal : RunningTotal;
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}
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/*********************************************************************
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* _wtoi (NTDLL.@)
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*
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* Converts an unicode string to an integer.
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*
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* On success it returns the integer value otherwise it returns 0.
|
|
* Accepts: {whitespace} [+|-] {digits}
|
|
* No check of overflow: Just assigns lower 32 bits (as native DLL).
|
|
* Does not check for str != NULL (as native DLL).
|
|
*/
|
|
int __cdecl _wtoi( LPWSTR string )
|
|
{
|
|
return _wtol(string);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _wtoi64 (NTDLL.@)
|
|
*
|
|
* Converts an unicode string to a large integer.
|
|
*
|
|
* On success it returns the integer value otherwise it returns 0.
|
|
* Accepts: {whitespace} [+|-] {digits}
|
|
* No check of overflow: Just assigns lower 64 bits (as native DLL).
|
|
* Does not check for str != NULL (as native DLL).
|
|
*/
|
|
LONGLONG __cdecl _wtoi64( LPWSTR str )
|
|
{
|
|
ULONGLONG RunningTotal = 0;
|
|
char bMinus = 0;
|
|
|
|
while (isspaceW(*str)) {
|
|
str++;
|
|
} /* while */
|
|
|
|
if (*str == '+') {
|
|
str++;
|
|
} else if (*str == '-') {
|
|
bMinus = 1;
|
|
str++;
|
|
} /* if */
|
|
|
|
while (*str >= '0' && *str <= '9') {
|
|
RunningTotal = RunningTotal * 10 + *str - '0';
|
|
str++;
|
|
} /* while */
|
|
|
|
return bMinus ? -RunningTotal : RunningTotal;
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* _snwprintf (NTDLL.@)
|
|
*/
|
|
int __cdecl _snwprintf(WCHAR *str, unsigned int len, const WCHAR *format, ...)
|
|
{
|
|
int retval;
|
|
va_list valist;
|
|
va_start(valist, format);
|
|
retval = vsnprintfW(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 = vsnprintfW(str, INT_MAX, format, valist);
|
|
va_end(valist);
|
|
return retval;
|
|
}
|