2000-06-13 03:08:29 +02:00
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/*
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* Unicode string manipulation functions
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*
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* Copyright 2000 Alexandre Julliard
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2002-03-10 00:29:33 +01:00
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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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2006-05-18 14:49:52 +02:00
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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2000-06-13 03:08:29 +02:00
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*/
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2002-05-16 20:58:47 +02:00
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#include <limits.h>
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2003-03-12 23:30:16 +01:00
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#include <stdio.h>
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2002-05-16 20:58:47 +02:00
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2000-06-13 03:08:29 +02:00
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#include "wine/unicode.h"
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2006-05-24 14:00:47 +02:00
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extern const WCHAR wine_casemap_lower[];
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extern const WCHAR wine_casemap_upper[];
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extern const unsigned short wine_wctype_table[];
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int is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
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{
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return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
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}
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WCHAR tolowerW( WCHAR ch )
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{
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return ch + wine_casemap_lower[wine_casemap_lower[ch >> 8] + (ch & 0xff)];
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}
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WCHAR toupperW( WCHAR ch )
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{
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return ch + wine_casemap_upper[wine_casemap_upper[ch >> 8] + (ch & 0xff)];
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}
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/* the character type contains the C1_* flags in the low 12 bits */
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/* and the C2_* type in the high 4 bits */
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unsigned short get_char_typeW( WCHAR ch )
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{
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return wine_wctype_table[wine_wctype_table[ch >> 8] + (ch & 0xff)];
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}
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int iscntrlW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_CNTRL;
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}
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int ispunctW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_PUNCT;
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}
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int isspaceW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_SPACE;
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}
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int isdigitW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_DIGIT;
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}
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int isxdigitW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_XDIGIT;
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}
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int islowerW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_LOWER;
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}
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int isupperW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_UPPER;
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}
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int isalnumW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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int isalphaW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_LOWER|C1_UPPER);
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}
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int isgraphW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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int isprintW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_BLANK|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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unsigned int strlenW( const WCHAR *str )
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{
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const WCHAR *s = str;
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while (*s) s++;
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return s - str;
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}
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WCHAR *strcpyW( WCHAR *dst, const WCHAR *src )
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{
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WCHAR *p = dst;
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while ((*p++ = *src++));
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return dst;
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}
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int strcmpW( const WCHAR *str1, const WCHAR *str2 )
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{
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while (*str1 && (*str1 == *str2)) { str1++; str2++; }
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return *str1 - *str2;
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}
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int strncmpW( const WCHAR *str1, const WCHAR *str2, int n )
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{
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if (n <= 0) return 0;
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while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
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return *str1 - *str2;
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}
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WCHAR *strcatW( WCHAR *dst, const WCHAR *src )
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{
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strcpyW( dst + strlenW(dst), src );
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return dst;
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}
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WCHAR *strchrW( const WCHAR *str, WCHAR ch )
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{
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do { if (*str == ch) return (WCHAR *)str; } while (*str++);
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return NULL;
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}
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WCHAR *strrchrW( const WCHAR *str, WCHAR ch )
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{
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WCHAR *ret = NULL;
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do { if (*str == ch) ret = (WCHAR *)str; } while (*str++);
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return ret;
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}
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WCHAR *strpbrkW( const WCHAR *str, const WCHAR *accept )
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{
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for ( ; *str; str++) if (strchrW( accept, *str )) return (WCHAR *)str;
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return NULL;
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}
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size_t strspnW( const WCHAR *str, const WCHAR *accept )
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{
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const WCHAR *ptr;
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for (ptr = str; *ptr; ptr++) if (!strchrW( accept, *ptr )) break;
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return ptr - str;
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}
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size_t strcspnW( const WCHAR *str, const WCHAR *reject )
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{
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const WCHAR *ptr;
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for (ptr = str; *ptr; ptr++) if (strchrW( reject, *ptr )) break;
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return ptr - str;
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}
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WCHAR *strlwrW( WCHAR *str )
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{
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WCHAR *ret = str;
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while ((*str = tolowerW(*str))) str++;
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return ret;
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}
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WCHAR *struprW( WCHAR *str )
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{
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WCHAR *ret = str;
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while ((*str = toupperW(*str))) str++;
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return ret;
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}
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WCHAR *memchrW( const WCHAR *ptr, WCHAR ch, size_t n )
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{
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const WCHAR *end;
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for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) return (WCHAR *)ptr;
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return NULL;
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}
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WCHAR *memrchrW( const WCHAR *ptr, WCHAR ch, size_t n )
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{
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const WCHAR *end, *ret = NULL;
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for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) ret = ptr;
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return (WCHAR *)ret;
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}
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long int atolW( const WCHAR *str )
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{
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return strtolW( str, (WCHAR **)0, 10 );
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}
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int atoiW( const WCHAR *str )
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{
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return (int)atolW( str );
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}
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2000-06-13 03:08:29 +02:00
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int strcmpiW( const WCHAR *str1, const WCHAR *str2 )
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{
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for (;;)
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{
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2003-11-22 01:00:53 +01:00
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int ret = tolowerW(*str1) - tolowerW(*str2);
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2000-06-13 03:08:29 +02:00
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if (ret || !*str1) return ret;
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str1++;
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str2++;
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}
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}
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int strncmpiW( const WCHAR *str1, const WCHAR *str2, int n )
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{
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int ret = 0;
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for ( ; n > 0; n--, str1++, str2++)
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2003-11-22 01:00:53 +01:00
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if ((ret = tolowerW(*str1) - tolowerW(*str2)) || !*str1) break;
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2000-06-13 03:08:29 +02:00
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return ret;
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}
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2004-04-02 21:40:31 +02:00
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int memicmpW( const WCHAR *str1, const WCHAR *str2, int n )
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{
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int ret = 0;
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for ( ; n > 0; n--, str1++, str2++)
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if ((ret = tolowerW(*str1) - tolowerW(*str2))) break;
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return ret;
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}
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2000-06-13 03:08:29 +02:00
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WCHAR *strstrW( const WCHAR *str, const WCHAR *sub )
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{
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while (*str)
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{
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const WCHAR *p1 = str, *p2 = sub;
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while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
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if (!*p2) return (WCHAR *)str;
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str++;
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}
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return NULL;
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}
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2002-05-16 20:58:47 +02:00
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/* strtolW and strtoulW implementation based on the GNU C library code */
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/* Copyright (C) 1991,92,94,95,96,97,98,99,2000,2001 Free Software Foundation, Inc. */
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long int strtolW( const WCHAR *nptr, WCHAR **endptr, int base )
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{
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int negative;
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register unsigned long int cutoff;
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register unsigned int cutlim;
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register unsigned long int i;
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register const WCHAR *s;
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register WCHAR c;
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const WCHAR *save, *end;
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int overflow;
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if (base < 0 || base == 1 || base > 36) return 0;
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save = s = nptr;
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/* Skip white space. */
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while (isspaceW (*s))
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++s;
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if (!*s) goto noconv;
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/* Check for a sign. */
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negative = 0;
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if (*s == '-')
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{
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negative = 1;
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++s;
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}
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else if (*s == '+')
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++s;
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/* Recognize number prefix and if BASE is zero, figure it out ourselves. */
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if (*s == '0')
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{
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if ((base == 0 || base == 16) && toupperW(s[1]) == 'X')
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{
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s += 2;
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base = 16;
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}
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else if (base == 0)
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base = 8;
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}
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else if (base == 0)
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base = 10;
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/* Save the pointer so we can check later if anything happened. */
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save = s;
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end = NULL;
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cutoff = ULONG_MAX / (unsigned long int) base;
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cutlim = ULONG_MAX % (unsigned long int) base;
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overflow = 0;
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i = 0;
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c = *s;
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for (;c != '\0'; c = *++s)
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{
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if (s == end)
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break;
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if (c >= '0' && c <= '9')
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c -= '0';
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else if (isalphaW (c))
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c = toupperW (c) - 'A' + 10;
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else
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break;
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if ((int) c >= base)
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break;
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/* Check for overflow. */
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if (i > cutoff || (i == cutoff && c > cutlim))
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overflow = 1;
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else
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{
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i *= (unsigned long int) base;
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i += c;
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}
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}
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/* Check if anything actually happened. */
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if (s == save)
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goto noconv;
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/* Store in ENDPTR the address of one character
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past the last character we converted. */
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if (endptr != NULL)
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*endptr = (WCHAR *)s;
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/* Check for a value that is within the range of
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`unsigned LONG int', but outside the range of `LONG int'. */
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if (overflow == 0
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&& i > (negative
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? -((unsigned long int) (LONG_MIN + 1)) + 1
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: (unsigned long int) LONG_MAX))
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overflow = 1;
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if (overflow)
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{
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return negative ? LONG_MIN : LONG_MAX;
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}
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/* Return the result of the appropriate sign. */
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return negative ? -i : i;
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noconv:
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/* We must handle a special case here: the base is 0 or 16 and the
|
2003-07-19 05:05:28 +02:00
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first two characters are '0' and 'x', but the rest are not
|
2002-05-16 20:58:47 +02:00
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hexadecimal digits. This is no error case. We return 0 and
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ENDPTR points to the `x`. */
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if (endptr != NULL)
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{
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if (save - nptr >= 2 && toupperW (save[-1]) == 'X'
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&& save[-2] == '0')
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*endptr = (WCHAR *)&save[-1];
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else
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|
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/* There was no number to convert. */
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*endptr = (WCHAR *)nptr;
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}
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return 0L;
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}
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|
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unsigned long int strtoulW( const WCHAR *nptr, WCHAR **endptr, int base )
|
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|
|
{
|
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|
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int negative;
|
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|
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register unsigned long int cutoff;
|
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|
|
register unsigned int cutlim;
|
|
|
|
register unsigned long int i;
|
|
|
|
register const WCHAR *s;
|
|
|
|
register WCHAR c;
|
|
|
|
const WCHAR *save, *end;
|
|
|
|
int overflow;
|
|
|
|
|
|
|
|
if (base < 0 || base == 1 || base > 36) return 0;
|
|
|
|
|
|
|
|
save = s = nptr;
|
|
|
|
|
|
|
|
/* Skip white space. */
|
|
|
|
while (isspaceW (*s))
|
|
|
|
++s;
|
|
|
|
if (!*s) goto noconv;
|
|
|
|
|
|
|
|
/* Check for a sign. */
|
|
|
|
negative = 0;
|
|
|
|
if (*s == '-')
|
|
|
|
{
|
|
|
|
negative = 1;
|
|
|
|
++s;
|
|
|
|
}
|
|
|
|
else if (*s == '+')
|
|
|
|
++s;
|
|
|
|
|
|
|
|
/* Recognize number prefix and if BASE is zero, figure it out ourselves. */
|
|
|
|
if (*s == '0')
|
|
|
|
{
|
|
|
|
if ((base == 0 || base == 16) && toupperW(s[1]) == 'X')
|
|
|
|
{
|
|
|
|
s += 2;
|
|
|
|
base = 16;
|
|
|
|
}
|
|
|
|
else if (base == 0)
|
|
|
|
base = 8;
|
|
|
|
}
|
|
|
|
else if (base == 0)
|
|
|
|
base = 10;
|
|
|
|
|
|
|
|
/* Save the pointer so we can check later if anything happened. */
|
|
|
|
save = s;
|
|
|
|
end = NULL;
|
|
|
|
|
|
|
|
cutoff = ULONG_MAX / (unsigned long int) base;
|
|
|
|
cutlim = ULONG_MAX % (unsigned long int) base;
|
|
|
|
|
|
|
|
overflow = 0;
|
|
|
|
i = 0;
|
|
|
|
c = *s;
|
|
|
|
for (;c != '\0'; c = *++s)
|
|
|
|
{
|
|
|
|
if (s == end)
|
|
|
|
break;
|
|
|
|
if (c >= '0' && c <= '9')
|
|
|
|
c -= '0';
|
|
|
|
else if (isalphaW (c))
|
|
|
|
c = toupperW (c) - 'A' + 10;
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
if ((int) c >= base)
|
|
|
|
break;
|
|
|
|
/* Check for overflow. */
|
|
|
|
if (i > cutoff || (i == cutoff && c > cutlim))
|
|
|
|
overflow = 1;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
i *= (unsigned long int) base;
|
|
|
|
i += c;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check if anything actually happened. */
|
|
|
|
if (s == save)
|
|
|
|
goto noconv;
|
|
|
|
|
|
|
|
/* Store in ENDPTR the address of one character
|
|
|
|
past the last character we converted. */
|
|
|
|
if (endptr != NULL)
|
|
|
|
*endptr = (WCHAR *)s;
|
|
|
|
|
|
|
|
if (overflow)
|
|
|
|
{
|
|
|
|
return ULONG_MAX;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the result of the appropriate sign. */
|
|
|
|
return negative ? -i : i;
|
|
|
|
|
|
|
|
noconv:
|
|
|
|
/* We must handle a special case here: the base is 0 or 16 and the
|
2003-07-19 05:05:28 +02:00
|
|
|
first two characters are '0' and 'x', but the rest are not
|
2002-05-16 20:58:47 +02:00
|
|
|
hexadecimal digits. This is no error case. We return 0 and
|
|
|
|
ENDPTR points to the `x`. */
|
|
|
|
if (endptr != NULL)
|
|
|
|
{
|
|
|
|
if (save - nptr >= 2 && toupperW (save[-1]) == 'X'
|
|
|
|
&& save[-2] == '0')
|
|
|
|
*endptr = (WCHAR *)&save[-1];
|
|
|
|
else
|
|
|
|
/* There was no number to convert. */
|
|
|
|
*endptr = (WCHAR *)nptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0L;
|
|
|
|
}
|
2003-03-12 23:30:16 +01:00
|
|
|
|
|
|
|
|
2003-03-21 00:40:41 +01:00
|
|
|
int vsnprintfW(WCHAR *str, size_t len, const WCHAR *format, va_list valist)
|
2003-03-12 23:30:16 +01:00
|
|
|
{
|
|
|
|
unsigned int written = 0;
|
|
|
|
const WCHAR *iter = format;
|
|
|
|
char bufa[256], fmtbufa[64], *fmta;
|
|
|
|
|
|
|
|
while (*iter)
|
|
|
|
{
|
|
|
|
while (*iter && *iter != '%')
|
|
|
|
{
|
|
|
|
if (written++ >= len)
|
|
|
|
return -1;
|
|
|
|
*str++ = *iter++;
|
|
|
|
}
|
|
|
|
if (*iter == '%')
|
|
|
|
{
|
2003-07-19 05:05:28 +02:00
|
|
|
if (iter[1] == '%')
|
|
|
|
{
|
|
|
|
if (written++ >= len)
|
|
|
|
return -1;
|
|
|
|
*str++ = '%'; /* "%%"->'%' */
|
|
|
|
iter += 2;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2003-03-12 23:30:16 +01:00
|
|
|
fmta = fmtbufa;
|
|
|
|
*fmta++ = *iter++;
|
|
|
|
while (*iter == '0' ||
|
|
|
|
*iter == '+' ||
|
|
|
|
*iter == '-' ||
|
|
|
|
*iter == ' ' ||
|
|
|
|
*iter == '*' ||
|
|
|
|
*iter == '#')
|
|
|
|
{
|
|
|
|
if (*iter == '*')
|
|
|
|
{
|
|
|
|
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 == '.')
|
|
|
|
{
|
|
|
|
*fmta++ = *iter++;
|
|
|
|
if (*iter == '*')
|
|
|
|
{
|
|
|
|
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 == 'h' || *iter == 'l')
|
|
|
|
*fmta++ = *iter++;
|
|
|
|
|
|
|
|
switch (*iter)
|
|
|
|
{
|
|
|
|
case '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 '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 == 'p')
|
|
|
|
sprintf(bufaiter, "%08lX", va_arg(valist, long));
|
|
|
|
else
|
|
|
|
{
|
|
|
|
*fmta++ = *iter;
|
|
|
|
*fmta = '\0';
|
2003-11-14 22:00:02 +01:00
|
|
|
if (*iter == 'a' || *iter == 'A' ||
|
|
|
|
*iter == 'e' || *iter == 'E' ||
|
|
|
|
*iter == 'f' || *iter == 'F' ||
|
|
|
|
*iter == 'g' || *iter == 'G')
|
2003-03-12 23:30:16 +01:00
|
|
|
sprintf(bufaiter, fmtbufa, va_arg(valist, double));
|
|
|
|
else
|
2003-11-14 22:00:02 +01:00
|
|
|
{
|
|
|
|
/* FIXME: On 32 bit systems this doesn't handle int 64's.
|
|
|
|
* on 64 bit systems this doesn't work for 32 bit types
|
|
|
|
*/
|
2003-03-12 23:30:16 +01:00
|
|
|
sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
|
2003-11-14 22:00:02 +01:00
|
|
|
}
|
2003-03-12 23:30:16 +01:00
|
|
|
}
|
|
|
|
while (*bufaiter)
|
|
|
|
{
|
|
|
|
if (written++ >= len)
|
|
|
|
return -1;
|
|
|
|
*str++ = *bufaiter++;
|
|
|
|
}
|
|
|
|
iter++;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (written >= len)
|
|
|
|
return -1;
|
|
|
|
*str++ = 0;
|
|
|
|
return (int)written;
|
|
|
|
}
|
|
|
|
|
2003-03-21 00:40:41 +01:00
|
|
|
int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist )
|
|
|
|
{
|
|
|
|
return vsnprintfW( str, INT_MAX, format, valist );
|
|
|
|
}
|
2003-03-12 23:30:16 +01:00
|
|
|
|
2003-03-21 00:40:41 +01:00
|
|
|
int snprintfW( WCHAR *str, size_t len, const WCHAR *format, ...)
|
2003-03-12 23:30:16 +01:00
|
|
|
{
|
|
|
|
int retval;
|
|
|
|
va_list valist;
|
|
|
|
va_start(valist, format);
|
|
|
|
retval = vsnprintfW(str, len, format, valist);
|
|
|
|
va_end(valist);
|
|
|
|
return retval;
|
|
|
|
}
|
2003-03-21 00:40:41 +01:00
|
|
|
|
|
|
|
int sprintfW( 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;
|
|
|
|
}
|