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https://github.com/reactos/wine.git
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253 lines
6.0 KiB
C
253 lines
6.0 KiB
C
/*
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* MSVCRT string functions
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*
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* Copyright 1996,1998 Marcus Meissner
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* Copyright 1996 Jukka Iivonen
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* Copyright 1997,2000 Uwe Bonnes
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define _ISOC99_SOURCE
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#include "config.h"
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#include <stdlib.h>
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#include "msvcrt.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
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/*********************************************************************
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* _mbsdup (MSVCRT.@)
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* _strdup (MSVCRT.@)
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*/
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char* CDECL _strdup(const char* str)
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{
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if(str)
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{
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char * ret = MSVCRT_malloc(strlen(str)+1);
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if (ret) strcpy( ret, str );
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return ret;
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}
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else return 0;
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}
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/*********************************************************************
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* _strnset (MSVCRT.@)
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*/
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char* CDECL _strnset(char* str, int value, MSVCRT_size_t len)
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{
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if (len > 0 && str)
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while (*str && len--)
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*str++ = value;
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return str;
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}
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/*********************************************************************
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* _strrev (MSVCRT.@)
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*/
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char* CDECL _strrev(char* str)
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{
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char * p1;
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char * p2;
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if (str && *str)
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for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
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{
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*p1 ^= *p2;
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*p2 ^= *p1;
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*p1 ^= *p2;
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}
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return str;
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}
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/*********************************************************************
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* _strset (MSVCRT.@)
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*/
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char* CDECL _strset(char* str, int value)
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{
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char *ptr = str;
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while (*ptr)
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*ptr++ = value;
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return str;
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}
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/*********************************************************************
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* strtok (MSVCRT.@)
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*/
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char * CDECL MSVCRT_strtok( char *str, const char *delim )
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{
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thread_data_t *data = msvcrt_get_thread_data();
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char *ret;
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if (!str)
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if (!(str = data->strtok_next)) return NULL;
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while (*str && strchr( delim, *str )) str++;
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if (!*str) return NULL;
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ret = str++;
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while (*str && !strchr( delim, *str )) str++;
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if (*str) *str++ = 0;
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data->strtok_next = str;
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return ret;
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}
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/*********************************************************************
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* _swab (MSVCRT.@)
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*/
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void CDECL MSVCRT__swab(char* src, char* dst, int len)
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{
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if (len > 1)
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{
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len = (unsigned)len >> 1;
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while (len--) {
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char s0 = src[0];
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char s1 = src[1];
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*dst++ = s1;
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*dst++ = s0;
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src = src + 2;
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}
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}
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}
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/*********************************************************************
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* atof (MSVCRT.@)
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*/
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double CDECL MSVCRT_atof( const char *str )
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{
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return atof( str );
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}
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/*********************************************************************
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* strtod (MSVCRT.@)
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*/
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double CDECL MSVCRT_strtod( const char *str, char **end )
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{
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return strtod( str, end );
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}
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/*********************************************************************
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* strcoll (MSVCRT.@)
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*/
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int CDECL MSVCRT_strcoll( const char* str1, const char* str2 )
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{
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/* FIXME: handle Windows locale */
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return strcoll( str1, str2 );
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}
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/*********************************************************************
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* strcpy_s (MSVCRT.@)
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*/
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int CDECL MSVCRT_strcpy_s( char* dst, MSVCRT_size_t elem, const char* src )
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{
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MSVCRT_size_t i;
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if(!elem) return MSVCRT_EINVAL;
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if(!dst) return MSVCRT_EINVAL;
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if(!src)
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{
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dst[0] = '\0';
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return MSVCRT_EINVAL;
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}
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for(i = 0; i < elem; i++)
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{
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if((dst[i] = src[i]) == '\0') return 0;
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}
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dst[0] = '\0';
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return MSVCRT_ERANGE;
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}
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/*********************************************************************
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* strcat_s (MSVCRT.@)
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*/
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int CDECL MSVCRT_strcat_s( char* dst, MSVCRT_size_t elem, const char* src )
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{
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MSVCRT_size_t i, j;
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if(!dst) return MSVCRT_EINVAL;
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if(elem == 0) return MSVCRT_EINVAL;
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if(!src)
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{
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dst[0] = '\0';
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return MSVCRT_EINVAL;
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}
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for(i = 0; i < elem; i++)
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{
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if(dst[i] == '\0')
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{
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for(j = 0; (j + i) < elem; j++)
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{
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if((dst[j + i] = src[j]) == '\0') return 0;
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}
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}
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}
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/* Set the first element to 0, not the first element after the skipped part */
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dst[0] = '\0';
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return MSVCRT_ERANGE;
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}
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/*********************************************************************
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* strxfrm (MSVCRT.@)
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*/
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MSVCRT_size_t CDECL MSVCRT_strxfrm( char *dest, const char *src, MSVCRT_size_t len )
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{
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/* FIXME: handle Windows locale */
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return strxfrm( dest, src, len );
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}
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/*********************************************************************
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* _stricoll (MSVCRT.@)
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*/
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int CDECL MSVCRT__stricoll( const char* str1, const char* str2 )
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{
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/* FIXME: handle collates */
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TRACE("str1 %s str2 %s\n", debugstr_a(str1), debugstr_a(str2));
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return lstrcmpiA( str1, str2 );
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}
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/********************************************************************
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* _atoldbl (MSVCRT.@)
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*/
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int CDECL MSVCRT__atoldbl(MSVCRT__LDOUBLE *value, const char *str)
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{
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/* FIXME needs error checking for huge/small values */
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#ifdef HAVE_STRTOLD
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TRACE("str %s value %p\n",str,value);
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value->x = strtold(str,0);
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#else
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FIXME("stub, str %s value %p\n",str,value);
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#endif
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return 0;
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}
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/********************************************************************
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* __STRINGTOLD (MSVCRT.@)
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*/
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int CDECL __STRINGTOLD( MSVCRT__LDOUBLE *value, char **endptr, const char *str, int flags )
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{
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#ifdef HAVE_STRTOLD
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FIXME("%p %p %s %x partial stub\n", value, endptr, str, flags );
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value->x = strtold(str,endptr);
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#else
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FIXME("%p %p %s %x stub\n", value, endptr, str, flags );
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#endif
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return 0;
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}
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