Sweden-Number/dlls/msvcrt/scanf.c

821 lines
20 KiB
C

/*
* general implementation of scanf used by scanf, sscanf, fscanf,
* _cscanf, wscanf, swscanf and fwscanf
*
* Copyright 1996,1998 Marcus Meissner
* Copyright 1996 Jukka Iivonen
* Copyright 1997,2000 Uwe Bonnes
* Copyright 2000 Jon Griffiths
* Copyright 2002 Daniel Gudbjartsson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <conio.h>
#include <stdarg.h>
#include <limits.h>
#include <math.h>
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "msvcrt.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* helper function for *scanf. Returns the value of character c in the
* given base, or -1 if the given character is not a digit of the base.
*/
static int char2digit(char c, int base) {
if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
if (base<=10) return -1;
if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
return -1;
}
/* helper function for *wscanf. Returns the value of character c in the
* given base, or -1 if the given character is not a digit of the base.
*/
static int wchar2digit(wchar_t c, int base) {
if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
if (base<=10) return -1;
if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
return -1;
}
/* vfscanf_l */
#undef WIDE_SCANF
#undef CONSOLE
#undef STRING
#undef SECURE
#include "scanf.h"
/* vfscanf_s_l */
#define SECURE 1
#include "scanf.h"
/* vfwscanf_l */
#define WIDE_SCANF 1
#undef CONSOLE
#undef STRING
#undef SECURE
#include "scanf.h"
/* vfwscanf_s_l */
#define SECURE 1
#include "scanf.h"
/* vsscanf_l */
#undef WIDE_SCANF
#undef CONSOLE
#define STRING 1
#undef SECURE
#include "scanf.h"
/* vsscanf_s_l */
#define SECURE 1
#include "scanf.h"
/* vsnscanf_l */
#undef SECURE
#define STRING_LEN 1
#include "scanf.h"
/* vsnscanf_s_l */
#define SECURE
#include "scanf.h"
#undef STRING_LEN
/* vswscanf_l */
#define WIDE_SCANF 1
#undef CONSOLE
#define STRING 1
#undef SECURE
#include "scanf.h"
/* vsnwscanf_l */
#define STRING_LEN 1
#include "scanf.h"
/* vsnwscanf_s_l */
#define SECURE 1
#include "scanf.h"
#undef STRING_LEN
/* vswscanf_s_l */
#define SECURE 1
#include "scanf.h"
/* vcscanf_l */
#undef WIDE_SCANF
#define CONSOLE 1
#undef STRING
#undef SECURE
#include "scanf.h"
/* vcscanf_s_l */
#define SECURE 1
#include "scanf.h"
/* vcwscanf_l */
#define WIDE_SCANF 1
#define CONSOLE 1
#undef STRING
#undef SECURE
#include "scanf.h"
/* vcwscanf_s_l */
#define SECURE 1
#include "scanf.h"
/*********************************************************************
* fscanf (MSVCRT.@)
*/
int WINAPIV fscanf(FILE *file, const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfscanf_l(file, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _fscanf_l (MSVCRT.@)
*/
int WINAPIV _fscanf_l(FILE *file, const char *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfscanf_l(file, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* fscanf_s (MSVCRT.@)
*/
int WINAPIV fscanf_s(FILE *file, const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfscanf_s_l(file, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _fscanf_s_l (MSVCRT.@)
*/
int WINAPIV _fscanf_s_l(FILE *file, const char *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfscanf_s_l(file, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* scanf (MSVCRT.@)
*/
int WINAPIV scanf(const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfscanf_l(MSVCRT_stdin, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _scanf_l (MSVCRT.@)
*/
int WINAPIV _scanf_l(const char *format, _locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfscanf_l(MSVCRT_stdin, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* scanf_s (MSVCRT.@)
*/
int WINAPIV scanf_s(const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfscanf_s_l(MSVCRT_stdin, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _scanf_s_l (MSVCRT.@)
*/
int WINAPIV _scanf_s_l(const char *format, _locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfscanf_s_l(MSVCRT_stdin, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* fwscanf (MSVCRT.@)
*/
int WINAPIV fwscanf(FILE *file, const wchar_t *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfwscanf_l(file, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _fwscanf_l (MSVCRT.@)
*/
int WINAPIV _fwscanf_l(FILE *file, const wchar_t *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfwscanf_l(file, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* fwscanf_s (MSVCRT.@)
*/
int WINAPIV fwscanf_s(FILE *file, const wchar_t *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfwscanf_s_l(file, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _fwscanf_s_l (MSVCRT.@)
*/
int WINAPIV _fwscanf_s_l(FILE *file, const wchar_t *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfwscanf_s_l(file, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* wscanf (MSVCRT.@)
*/
int WINAPIV wscanf(const wchar_t *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfwscanf_l(MSVCRT_stdin, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _wscanf_l (MSVCRT.@)
*/
int WINAPIV _wscanf_l(const wchar_t *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfwscanf_l(MSVCRT_stdin, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* wscanf_s (MSVCRT.@)
*/
int WINAPIV wscanf_s(const wchar_t *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vfwscanf_s_l(MSVCRT_stdin, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _wscanf_s_l (MSVCRT.@)
*/
int WINAPIV _wscanf_s_l(const wchar_t *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vfwscanf_s_l(MSVCRT_stdin, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* sscanf (MSVCRT.@)
*/
int WINAPIV sscanf(const char *str, const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vsscanf_l(str, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _sscanf_l (MSVCRT.@)
*/
int WINAPIV _sscanf_l(const char *str, const char *format,
_locale_t locale, ...)
{
va_list valist;
int res;
va_start(valist, locale);
res = vsscanf_l(str, format, locale, valist);
va_end(valist);
return res;
}
/*********************************************************************
* sscanf_s (MSVCRT.@)
*/
int WINAPIV sscanf_s(const char *str, const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = vsscanf_s_l(str, format, NULL, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _sscanf_s_l (MSVCRT.@)
*/
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 %s not handled\n", wine_dbgstr_longlong(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 %s not handled\n", wine_dbgstr_longlong(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 %s not handled\n", wine_dbgstr_longlong(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 %s not handled\n", wine_dbgstr_longlong(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 */