821 lines
20 KiB
C
821 lines
20 KiB
C
/*
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* general implementation of scanf used by scanf, sscanf, fscanf,
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* _cscanf, wscanf, swscanf and fwscanf
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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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* Copyright 2002 Daniel Gudbjartsson
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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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#include <conio.h>
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#include <stdarg.h>
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#include <limits.h>
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#include <math.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.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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/* helper function for *scanf. Returns the value of character c in the
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* given base, or -1 if the given character is not a digit of the base.
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*/
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static int char2digit(char c, int base) {
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if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
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if (base<=10) return -1;
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if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
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if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
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return -1;
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}
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/* helper function for *wscanf. Returns the value of character c in the
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* given base, or -1 if the given character is not a digit of the base.
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*/
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static int wchar2digit(wchar_t c, int base) {
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if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
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if (base<=10) return -1;
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if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
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if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
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return -1;
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}
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/* vfscanf_l */
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#undef WIDE_SCANF
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#undef CONSOLE
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#undef STRING
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#undef SECURE
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#include "scanf.h"
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/* vfscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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/* vfwscanf_l */
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#define WIDE_SCANF 1
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#undef CONSOLE
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#undef STRING
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#undef SECURE
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#include "scanf.h"
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/* vfwscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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/* vsscanf_l */
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#undef WIDE_SCANF
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#undef CONSOLE
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#define STRING 1
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#undef SECURE
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#include "scanf.h"
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/* vsscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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/* vsnscanf_l */
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#undef SECURE
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#define STRING_LEN 1
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#include "scanf.h"
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/* vsnscanf_s_l */
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#define SECURE
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#include "scanf.h"
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#undef STRING_LEN
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/* vswscanf_l */
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#define WIDE_SCANF 1
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#undef CONSOLE
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#define STRING 1
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#undef SECURE
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#include "scanf.h"
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/* vsnwscanf_l */
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#define STRING_LEN 1
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#include "scanf.h"
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/* vsnwscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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#undef STRING_LEN
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/* vswscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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/* vcscanf_l */
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#undef WIDE_SCANF
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#define CONSOLE 1
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#undef STRING
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#undef SECURE
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#include "scanf.h"
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/* vcscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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/* vcwscanf_l */
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#define WIDE_SCANF 1
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#define CONSOLE 1
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#undef STRING
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#undef SECURE
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#include "scanf.h"
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/* vcwscanf_s_l */
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#define SECURE 1
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#include "scanf.h"
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/*********************************************************************
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* fscanf (MSVCRT.@)
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*/
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int WINAPIV fscanf(FILE *file, const char *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfscanf_l(file, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _fscanf_l (MSVCRT.@)
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*/
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int WINAPIV _fscanf_l(FILE *file, const char *format,
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_locale_t locale, ...)
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{
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va_list valist;
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int res;
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va_start(valist, locale);
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res = vfscanf_l(file, format, locale, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* fscanf_s (MSVCRT.@)
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*/
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int WINAPIV fscanf_s(FILE *file, const char *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfscanf_s_l(file, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _fscanf_s_l (MSVCRT.@)
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*/
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int WINAPIV _fscanf_s_l(FILE *file, const char *format,
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_locale_t locale, ...)
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{
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va_list valist;
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int res;
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va_start(valist, locale);
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res = vfscanf_s_l(file, format, locale, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* scanf (MSVCRT.@)
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*/
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int WINAPIV scanf(const char *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfscanf_l(MSVCRT_stdin, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _scanf_l (MSVCRT.@)
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*/
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int WINAPIV _scanf_l(const char *format, _locale_t locale, ...)
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{
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va_list valist;
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int res;
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va_start(valist, locale);
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res = vfscanf_l(MSVCRT_stdin, format, locale, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* scanf_s (MSVCRT.@)
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*/
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int WINAPIV scanf_s(const char *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfscanf_s_l(MSVCRT_stdin, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _scanf_s_l (MSVCRT.@)
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*/
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int WINAPIV _scanf_s_l(const char *format, _locale_t locale, ...)
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{
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va_list valist;
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int res;
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va_start(valist, locale);
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res = vfscanf_s_l(MSVCRT_stdin, format, locale, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* fwscanf (MSVCRT.@)
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*/
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int WINAPIV fwscanf(FILE *file, const wchar_t *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfwscanf_l(file, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _fwscanf_l (MSVCRT.@)
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*/
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int WINAPIV _fwscanf_l(FILE *file, const wchar_t *format,
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_locale_t locale, ...)
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{
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va_list valist;
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int res;
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va_start(valist, locale);
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res = vfwscanf_l(file, format, locale, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* fwscanf_s (MSVCRT.@)
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*/
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int WINAPIV fwscanf_s(FILE *file, const wchar_t *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfwscanf_s_l(file, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _fwscanf_s_l (MSVCRT.@)
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*/
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int WINAPIV _fwscanf_s_l(FILE *file, const wchar_t *format,
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_locale_t locale, ...)
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{
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va_list valist;
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int res;
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va_start(valist, locale);
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res = vfwscanf_s_l(file, format, locale, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* wscanf (MSVCRT.@)
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*/
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int WINAPIV wscanf(const wchar_t *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfwscanf_l(MSVCRT_stdin, format, NULL, valist);
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va_end(valist);
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return res;
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}
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/*********************************************************************
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* _wscanf_l (MSVCRT.@)
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*/
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int WINAPIV _wscanf_l(const wchar_t *format,
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_locale_t locale, ...)
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{
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va_list valist;
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int res;
|
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va_start(valist, locale);
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res = vfwscanf_l(MSVCRT_stdin, format, locale, valist);
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va_end(valist);
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return res;
|
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}
|
|
|
|
/*********************************************************************
|
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* wscanf_s (MSVCRT.@)
|
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*/
|
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int WINAPIV wscanf_s(const wchar_t *format, ...)
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{
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va_list valist;
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int res;
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va_start(valist, format);
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res = vfwscanf_s_l(MSVCRT_stdin, format, NULL, valist);
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va_end(valist);
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return res;
|
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}
|
|
|
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/*********************************************************************
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* _wscanf_s_l (MSVCRT.@)
|
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*/
|
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int WINAPIV _wscanf_s_l(const wchar_t *format,
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_locale_t locale, ...)
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{
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va_list valist;
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int res;
|
|
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va_start(valist, locale);
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res = vfwscanf_s_l(MSVCRT_stdin, format, locale, valist);
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va_end(valist);
|
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return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* sscanf (MSVCRT.@)
|
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*/
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int WINAPIV sscanf(const char *str, const char *format, ...)
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{
|
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va_list valist;
|
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int res;
|
|
|
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va_start(valist, format);
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res = vsscanf_l(str, format, NULL, valist);
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va_end(valist);
|
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return res;
|
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}
|
|
|
|
/*********************************************************************
|
|
* _sscanf_l (MSVCRT.@)
|
|
*/
|
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int WINAPIV _sscanf_l(const char *str, const char *format,
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_locale_t locale, ...)
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{
|
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va_list valist;
|
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int res;
|
|
|
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va_start(valist, locale);
|
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res = vsscanf_l(str, format, locale, valist);
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va_end(valist);
|
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return res;
|
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}
|
|
|
|
/*********************************************************************
|
|
* sscanf_s (MSVCRT.@)
|
|
*/
|
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int WINAPIV sscanf_s(const char *str, const char *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
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va_start(valist, format);
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res = vsscanf_s_l(str, format, NULL, valist);
|
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va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _sscanf_s_l (MSVCRT.@)
|
|
*/
|
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int WINAPIV _sscanf_s_l(const char *str, const char *format,
|
|
_locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vsscanf_s_l(str, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* swscanf (MSVCRT.@)
|
|
*/
|
|
int WINAPIV swscanf(const wchar_t *str, const wchar_t *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vswscanf_l(str, format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _swscanf_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _swscanf_l(const wchar_t *str, const wchar_t *format,
|
|
_locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vswscanf_l(str, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* swscanf_s (MSVCRT.@)
|
|
*/
|
|
int WINAPIV swscanf_s(const wchar_t *str, const wchar_t *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vswscanf_s_l(str, format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _swscanf_s_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _swscanf_s_l(const wchar_t *str, const wchar_t *format,
|
|
_locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vswscanf_s_l(str, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cscanf (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cscanf(const char *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vcscanf_l(format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cscanf_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cscanf_l(const char *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vcscanf_l(format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cscanf_s (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cscanf_s(const char *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vcscanf_s_l(format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cscanf_s_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cscanf_s_l(const char *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vcscanf_s_l(format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cwscanf (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cwscanf(const wchar_t *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vcwscanf_l(format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cwscanf_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cwscanf_l(const wchar_t *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vcwscanf_l(format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cwscanf_s (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cwscanf_s(const wchar_t *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vcwscanf_s_l(format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _cwscanf_s_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _cwscanf_s_l(const wchar_t *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vcwscanf_s_l(format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snscanf (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snscanf(const char *input, size_t length, const char *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vsnscanf_l(input, length, format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snscanf_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snscanf_l(const char *input, size_t length,
|
|
const char *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vsnscanf_l(input, length, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snscanf_s (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snscanf_s(const char *input, size_t length, const char *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vsnscanf_s_l(input, length, format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snscanf_s_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snscanf_s_l(const char *input, size_t length,
|
|
const char *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vsnscanf_s_l(input, length, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* __stdio_common_vsscanf (UCRTBASE.@)
|
|
*/
|
|
int CDECL __stdio_common_vsscanf(unsigned __int64 options,
|
|
const char *input, size_t length,
|
|
const char *format,
|
|
_locale_t locale,
|
|
va_list valist)
|
|
{
|
|
/* LEGACY_WIDE_SPECIFIERS only has got an effect on the wide
|
|
* scanf. LEGACY_MSVCRT_COMPATIBILITY affects parsing of nan/inf,
|
|
* but parsing of those isn't implemented at all yet. */
|
|
if (options & ~UCRTBASE_SCANF_MASK)
|
|
FIXME("options %#I64x not handled\n", options);
|
|
if (options & _CRT_INTERNAL_SCANF_SECURECRT)
|
|
return vsnscanf_s_l(input, length, format, locale, valist);
|
|
else
|
|
return vsnscanf_l(input, length, format, locale, valist);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* __stdio_common_vswscanf (UCRTBASE.@)
|
|
*/
|
|
int CDECL __stdio_common_vswscanf(unsigned __int64 options,
|
|
const wchar_t *input, size_t length,
|
|
const wchar_t *format,
|
|
_locale_t locale,
|
|
va_list valist)
|
|
{
|
|
/* LEGACY_WIDE_SPECIFIERS only has got an effect on the wide
|
|
* scanf. LEGACY_MSVCRT_COMPATIBILITY affects parsing of nan/inf,
|
|
* but parsing of those isn't implemented at all yet. */
|
|
if (options & ~UCRTBASE_SCANF_MASK)
|
|
FIXME("options %#I64x not handled\n", options);
|
|
if (options & _CRT_INTERNAL_SCANF_SECURECRT)
|
|
return vsnwscanf_s_l(input, length, format, locale, valist);
|
|
else
|
|
return vsnwscanf_l(input, length, format, locale, valist);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* __stdio_common_vfscanf (UCRTBASE.@)
|
|
*/
|
|
int CDECL __stdio_common_vfscanf(unsigned __int64 options,
|
|
FILE *file,
|
|
const char *format,
|
|
_locale_t locale,
|
|
va_list valist)
|
|
{
|
|
if (options & ~_CRT_INTERNAL_SCANF_SECURECRT)
|
|
FIXME("options %#I64x not handled\n", options);
|
|
if (options & _CRT_INTERNAL_SCANF_SECURECRT)
|
|
return vfscanf_s_l(file, format, locale, valist);
|
|
else
|
|
return vfscanf_l(file, format, locale, valist);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* __stdio_common_vfwscanf (UCRTBASE.@)
|
|
*/
|
|
int CDECL __stdio_common_vfwscanf(unsigned __int64 options,
|
|
FILE *file,
|
|
const wchar_t *format,
|
|
_locale_t locale,
|
|
va_list valist)
|
|
{
|
|
if (options & ~_CRT_INTERNAL_SCANF_SECURECRT)
|
|
FIXME("options %#I64x not handled\n", options);
|
|
if (options & _CRT_INTERNAL_SCANF_SECURECRT)
|
|
return vfwscanf_s_l(file, format, locale, valist);
|
|
else
|
|
return vfwscanf_l(file, format, locale, valist);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snwscanf (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snwscanf(wchar_t *input, size_t length,
|
|
const wchar_t *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vsnwscanf_l(input, length, format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snwscanf_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snwscanf_l(wchar_t *input, size_t length,
|
|
const wchar_t *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vsnwscanf_l(input, length, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snwscanf_s (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snwscanf_s(wchar_t *input, size_t length,
|
|
const wchar_t *format, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, format);
|
|
res = vsnwscanf_s_l(input, length, format, NULL, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _snscanf_s_l (MSVCRT.@)
|
|
*/
|
|
int WINAPIV _snwscanf_s_l(wchar_t *input, size_t length,
|
|
const wchar_t *format, _locale_t locale, ...)
|
|
{
|
|
va_list valist;
|
|
int res;
|
|
|
|
va_start(valist, locale);
|
|
res = vsnwscanf_s_l(input, length, format, locale, valist);
|
|
va_end(valist);
|
|
return res;
|
|
}
|
|
|
|
#if _MSVCR_VER==120
|
|
|
|
/*********************************************************************
|
|
* vsscanf (MSVCRT120.@)
|
|
*/
|
|
int CDECL MSVCRT_vsscanf(const char *buffer, const char *format, va_list valist)
|
|
{
|
|
if (!MSVCRT_CHECK_PMT(buffer != NULL && format != NULL)) return -1;
|
|
|
|
return vsscanf_l(buffer, format, NULL, valist);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* vswscanf (MSVCRT120.@)
|
|
*/
|
|
int CDECL vswscanf(const wchar_t *buffer, const wchar_t *format, va_list valist)
|
|
{
|
|
if (!MSVCRT_CHECK_PMT(buffer != NULL && format != NULL)) return -1;
|
|
|
|
return vswscanf_l(buffer, format, NULL, valist);
|
|
}
|
|
|
|
#endif /* _MSVCR_VER>=120 */
|