1437 lines
42 KiB
C
1437 lines
42 KiB
C
/*
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* NTDLL string functions
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*
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* Copyright 2000 Alexandre Julliard
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* Copyright 2000 Jon Griffiths
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* Copyright 2003 Thomas Mertes
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <ctype.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "windef.h"
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#include "winternl.h"
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/*********************************************************************
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* memchr (NTDLL.@)
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*/
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void * __cdecl NTDLL_memchr( const void *ptr, int c, size_t n )
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{
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return memchr( ptr, c, n );
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}
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/*********************************************************************
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* memcmp (NTDLL.@)
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*/
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int __cdecl NTDLL_memcmp( const void *ptr1, const void *ptr2, size_t n )
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{
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return memcmp( ptr1, ptr2, n );
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}
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/*********************************************************************
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* memcpy (NTDLL.@)
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*
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* NOTES
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* Behaves like memmove.
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*/
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void * __cdecl NTDLL_memcpy( void *dst, const void *src, size_t n )
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{
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return memmove( dst, src, n );
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}
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/*********************************************************************
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* memmove (NTDLL.@)
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*/
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void * __cdecl NTDLL_memmove( void *dst, const void *src, size_t n )
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{
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return memmove( dst, src, n );
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}
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/*********************************************************************
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* memset (NTDLL.@)
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*/
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void * __cdecl NTDLL_memset( void *dst, int c, size_t n )
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{
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return memset( dst, c, n );
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}
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/*********************************************************************
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* strcat (NTDLL.@)
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*/
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char * __cdecl NTDLL_strcat( char *dst, const char *src )
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{
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return strcat( dst, src );
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}
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/*********************************************************************
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* strchr (NTDLL.@)
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*/
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char * __cdecl NTDLL_strchr( const char *str, int c )
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{
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return strchr( str, c );
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}
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/*********************************************************************
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* strcmp (NTDLL.@)
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*/
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int __cdecl NTDLL_strcmp( const char *str1, const char *str2 )
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{
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return strcmp( str1, str2 );
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}
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/*********************************************************************
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* strcpy (NTDLL.@)
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*/
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char * __cdecl NTDLL_strcpy( char *dst, const char *src )
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{
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return strcpy( dst, src );
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}
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/*********************************************************************
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* strcspn (NTDLL.@)
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*/
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size_t __cdecl NTDLL_strcspn( const char *str, const char *reject )
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{
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return strcspn( str, reject );
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}
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/*********************************************************************
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* strlen (NTDLL.@)
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*/
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size_t __cdecl NTDLL_strlen( const char *str )
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{
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return strlen( str );
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}
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/*********************************************************************
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* strncat (NTDLL.@)
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*/
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char * __cdecl NTDLL_strncat( char *dst, const char *src, size_t len )
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{
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return strncat( dst, src, len );
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}
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/*********************************************************************
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* strncmp (NTDLL.@)
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*/
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int __cdecl NTDLL_strncmp( const char *str1, const char *str2, size_t len )
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{
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return strncmp( str1, str2, len );
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}
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/*********************************************************************
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* strncpy (NTDLL.@)
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*/
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char * __cdecl NTDLL_strncpy( char *dst, const char *src, size_t len )
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{
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return strncpy( dst, src, len );
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}
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/*********************************************************************
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* strpbrk (NTDLL.@)
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*/
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char * __cdecl NTDLL_strpbrk( const char *str, const char *accept )
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{
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return strpbrk( str, accept );
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}
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/*********************************************************************
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* strrchr (NTDLL.@)
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*/
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char * __cdecl NTDLL_strrchr( const char *str, int c )
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{
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return strrchr( str, c );
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}
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/*********************************************************************
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* strspn (NTDLL.@)
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*/
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size_t __cdecl NTDLL_strspn( const char *str, const char *accept )
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{
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return strspn( str, accept );
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}
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/*********************************************************************
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* strstr (NTDLL.@)
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*/
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char * __cdecl NTDLL_strstr( const char *haystack, const char *needle )
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{
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return strstr( haystack, needle );
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}
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/*********************************************************************
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* _memccpy (NTDLL.@)
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*/
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void * __cdecl _memccpy( void *dst, const void *src, int c, size_t n )
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{
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return memccpy( dst, src, c, n );
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}
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/*********************************************************************
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* _memicmp (NTDLL.@)
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*
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* Compare two blocks of memory as strings, ignoring case.
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*
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* PARAMS
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* s1 [I] First string to compare to s2
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* s2 [I] Second string to compare to s1
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* len [I] Number of bytes to compare
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*
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* RETURNS
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* An integer less than, equal to, or greater than zero indicating that
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* s1 is less than, equal to or greater than s2 respectively.
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*
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* NOTES
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* Any Nul characters in s1 or s2 are ignored. This function always
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* compares up to len bytes or the first place where s1 and s2 differ.
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*/
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INT __cdecl _memicmp( LPCSTR s1, LPCSTR s2, DWORD len )
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{
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int ret = 0;
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while (len--)
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{
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if ((ret = tolower(*s1) - tolower(*s2))) break;
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s1++;
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s2++;
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}
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return ret;
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}
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/*********************************************************************
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* _stricmp (NTDLL.@)
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* _strcmpi (NTDLL.@)
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*/
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int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 )
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{
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return strcasecmp( str1, str2 );
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}
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/*********************************************************************
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* _strnicmp (NTDLL.@)
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*/
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int __cdecl _strnicmp( LPCSTR str1, LPCSTR str2, size_t n )
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{
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return strncasecmp( str1, str2, n );
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}
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/*********************************************************************
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* _strupr (NTDLL.@)
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*
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* Convert a string to upper case.
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*
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* PARAMS
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* str [I/O] String to convert
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*
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* RETURNS
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* str. There is no error return, if str is NULL or invalid, this
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* function will crash.
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*/
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LPSTR __cdecl _strupr( LPSTR str )
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{
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LPSTR ret = str;
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for ( ; *str; str++) *str = toupper(*str);
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return ret;
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}
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/*********************************************************************
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* _strlwr (NTDLL.@)
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*
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* Convert a string to lowercase
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*
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* PARAMS
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* str [I/O] String to convert
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*
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* RETURNS
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* str. There is no error return, if str is NULL or invalid, this
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* function will crash.
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*/
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LPSTR __cdecl _strlwr( LPSTR str )
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{
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LPSTR ret = str;
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for ( ; *str; str++) *str = tolower(*str);
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return ret;
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}
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/*********************************************************************
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* tolower (NTDLL.@)
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*/
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int __cdecl NTDLL_tolower( int c )
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{
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return tolower( c );
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}
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/*********************************************************************
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* toupper (NTDLL.@)
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*/
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int __cdecl NTDLL_toupper( int c )
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{
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return toupper( c );
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}
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/*********************************************************************
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* isalnum (NTDLL.@)
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*/
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int __cdecl NTDLL_isalnum( int c )
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{
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return isalnum( c );
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}
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/*********************************************************************
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* isalpha (NTDLL.@)
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*/
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int __cdecl NTDLL_isalpha( int c )
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{
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return isalpha( c );
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}
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/*********************************************************************
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* iscntrl (NTDLL.@)
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*/
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int __cdecl NTDLL_iscntrl( int c )
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{
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return iscntrl( c );
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}
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/*********************************************************************
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* isdigit (NTDLL.@)
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*/
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int __cdecl NTDLL_isdigit( int c )
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{
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return isdigit( c );
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}
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/*********************************************************************
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* isgraph (NTDLL.@)
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*/
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int __cdecl NTDLL_isgraph( int c )
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{
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return isgraph( c );
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}
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/*********************************************************************
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* islower (NTDLL.@)
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*/
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int __cdecl NTDLL_islower( int c )
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{
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return islower( c );
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}
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/*********************************************************************
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* isprint (NTDLL.@)
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*/
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int __cdecl NTDLL_isprint( int c )
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{
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return isprint( c );
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}
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/*********************************************************************
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* ispunct (NTDLL.@)
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*/
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int __cdecl NTDLL_ispunct( int c )
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{
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return ispunct( c );
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}
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/*********************************************************************
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* isspace (NTDLL.@)
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*/
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int __cdecl NTDLL_isspace( int c )
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{
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return isspace( c );
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}
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/*********************************************************************
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* isupper (NTDLL.@)
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*/
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int __cdecl NTDLL_isupper( int c )
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{
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return isupper( c );
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}
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/*********************************************************************
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* isxdigit (NTDLL.@)
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*/
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int __cdecl NTDLL_isxdigit( int c )
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{
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return isxdigit( c );
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}
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/*********************************************************************
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* __isascii (NTDLL.@)
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*/
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int CDECL NTDLL___isascii(int c)
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{
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return (unsigned)c < 0x80;
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}
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/*********************************************************************
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* __toascii (NTDLL.@)
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*/
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int CDECL NTDLL___toascii(int c)
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{
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return (unsigned)c & 0x7f;
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}
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/*********************************************************************
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* __iscsym (NTDLL.@)
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*/
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int CDECL NTDLL___iscsym(int c)
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{
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return (c < 127 && (isalnum(c) || c == '_'));
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}
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/*********************************************************************
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* __iscsymf (NTDLL.@)
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*/
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int CDECL NTDLL___iscsymf(int c)
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{
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return (c < 127 && (isalpha(c) || c == '_'));
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}
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/*********************************************************************
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* _toupper (NTDLL.@)
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*/
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int CDECL NTDLL__toupper(int c)
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{
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return c - 0x20; /* sic */
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}
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/*********************************************************************
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* _tolower (NTDLL.@)
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*/
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int CDECL NTDLL__tolower(int c)
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{
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return c + 0x20; /* sic */
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}
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/*********************************************************************
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* strtol (NTDLL.@)
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*/
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LONG __cdecl NTDLL_strtol( const char *nptr, char **endptr, int base )
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{
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return strtol( nptr, endptr, base );
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}
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/*********************************************************************
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* strtoul (NTDLL.@)
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*/
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ULONG __cdecl NTDLL_strtoul( const char *nptr, char **endptr, int base )
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{
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return strtoul( nptr, endptr, base );
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}
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/*********************************************************************
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* _ultoa (NTDLL.@)
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*
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* Convert an unsigned long integer to a string.
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*
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* RETURNS
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* str.
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*
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* NOTES
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* - Converts value to a Nul terminated string which is copied to str.
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* - The maximum length of the copied str is 33 bytes.
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* - Does not check if radix is in the range of 2 to 36.
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* - If str is NULL it crashes, as the native function does.
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*/
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char * __cdecl _ultoa(
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ULONG value, /* [I] Value to be converted */
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char *str, /* [O] Destination for the converted value */
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int radix) /* [I] Number base for conversion */
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{
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char buffer[33];
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char *pos;
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int digit;
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pos = &buffer[32];
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*pos = '\0';
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do {
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digit = value % radix;
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value = value / radix;
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if (digit < 10) {
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*--pos = '0' + digit;
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} else {
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*--pos = 'a' + digit - 10;
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} /* if */
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} while (value != 0L);
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memcpy(str, pos, &buffer[32] - pos + 1);
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return str;
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}
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|
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/*********************************************************************
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* _ltoa (NTDLL.@)
|
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*
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* Convert a long integer to a string.
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*
|
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* RETURNS
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* str.
|
|
*
|
|
* NOTES
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|
* - Converts value to a Nul terminated string which is copied to str.
|
|
* - The maximum length of the copied str is 33 bytes. If radix
|
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* is 10 and value is negative, the value is converted with sign.
|
|
* - Does not check if radix is in the range of 2 to 36.
|
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* - If str is NULL it crashes, as the native function does.
|
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*/
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char * __cdecl _ltoa(
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LONG value, /* [I] Value to be converted */
|
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char *str, /* [O] Destination for the converted value */
|
|
int radix) /* [I] Number base for conversion */
|
|
{
|
|
ULONG val;
|
|
int negative;
|
|
char buffer[33];
|
|
char *pos;
|
|
int digit;
|
|
|
|
if (value < 0 && radix == 10) {
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negative = 1;
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val = -value;
|
|
} else {
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negative = 0;
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val = value;
|
|
} /* if */
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|
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|
pos = &buffer[32];
|
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*pos = '\0';
|
|
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do {
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digit = val % radix;
|
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val = val / radix;
|
|
if (digit < 10) {
|
|
*--pos = '0' + digit;
|
|
} else {
|
|
*--pos = 'a' + digit - 10;
|
|
} /* if */
|
|
} while (val != 0L);
|
|
|
|
if (negative) {
|
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*--pos = '-';
|
|
} /* if */
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|
|
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memcpy(str, pos, &buffer[32] - pos + 1);
|
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return str;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _itoa (NTDLL.@)
|
|
*
|
|
* Converts an integer to a string.
|
|
*
|
|
* RETURNS
|
|
* str.
|
|
*
|
|
* NOTES
|
|
* - Converts value to a '\0' terminated string which is copied to str.
|
|
* - The maximum length of the copied str is 33 bytes. If radix
|
|
* is 10 and value is negative, the value is converted with sign.
|
|
* - Does not check if radix is in the range of 2 to 36.
|
|
* - If str is NULL it crashes, as the native function does.
|
|
*/
|
|
char * __cdecl _itoa(
|
|
int value, /* [I] Value to be converted */
|
|
char *str, /* [O] Destination for the converted value */
|
|
int radix) /* [I] Number base for conversion */
|
|
{
|
|
return _ltoa(value, str, radix);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ui64toa (NTDLL.@)
|
|
*
|
|
* Converts a large unsigned integer to a string.
|
|
*
|
|
* RETURNS
|
|
* str.
|
|
*
|
|
* NOTES
|
|
* - Converts value to a '\0' terminated string which is copied to str.
|
|
* - The maximum length of the copied str is 65 bytes.
|
|
* - Does not check if radix is in the range of 2 to 36.
|
|
* - If str is NULL it crashes, as the native function does.
|
|
*/
|
|
char * __cdecl _ui64toa(
|
|
ULONGLONG value, /* [I] Value to be converted */
|
|
char *str, /* [O] Destination for the converted value */
|
|
int radix) /* [I] Number base for conversion */
|
|
{
|
|
char buffer[65];
|
|
char *pos;
|
|
int digit;
|
|
|
|
pos = &buffer[64];
|
|
*pos = '\0';
|
|
|
|
do {
|
|
digit = value % radix;
|
|
value = value / radix;
|
|
if (digit < 10) {
|
|
*--pos = '0' + digit;
|
|
} else {
|
|
*--pos = 'a' + digit - 10;
|
|
} /* if */
|
|
} while (value != 0L);
|
|
|
|
memcpy(str, pos, &buffer[64] - pos + 1);
|
|
return str;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _i64toa (NTDLL.@)
|
|
*
|
|
* Converts a large integer to a string.
|
|
*
|
|
* RETURNS
|
|
* str.
|
|
*
|
|
* NOTES
|
|
* - Converts value to a Nul terminated string which is copied to str.
|
|
* - The maximum length of the copied str is 65 bytes. If radix
|
|
* is 10 and value is negative, the value is converted with sign.
|
|
* - Does not check if radix is in the range of 2 to 36.
|
|
* - If str is NULL it crashes, as the native function does.
|
|
*
|
|
* DIFFERENCES
|
|
* - The native DLL converts negative values (for base 10) wrong:
|
|
*| -1 is converted to -18446744073709551615
|
|
*| -2 is converted to -18446744073709551614
|
|
*| -9223372036854775807 is converted to -9223372036854775809
|
|
*| -9223372036854775808 is converted to -9223372036854775808
|
|
* The native msvcrt _i64toa function and our ntdll _i64toa function
|
|
* do not have this bug.
|
|
*/
|
|
char * __cdecl _i64toa(
|
|
LONGLONG value, /* [I] Value to be converted */
|
|
char *str, /* [O] Destination for the converted value */
|
|
int radix) /* [I] Number base for conversion */
|
|
{
|
|
ULONGLONG val;
|
|
int negative;
|
|
char buffer[65];
|
|
char *pos;
|
|
int digit;
|
|
|
|
if (value < 0 && radix == 10) {
|
|
negative = 1;
|
|
val = -value;
|
|
} else {
|
|
negative = 0;
|
|
val = value;
|
|
} /* if */
|
|
|
|
pos = &buffer[64];
|
|
*pos = '\0';
|
|
|
|
do {
|
|
digit = val % radix;
|
|
val = val / radix;
|
|
if (digit < 10) {
|
|
*--pos = '0' + digit;
|
|
} else {
|
|
*--pos = 'a' + digit - 10;
|
|
} /* if */
|
|
} while (val != 0L);
|
|
|
|
if (negative) {
|
|
*--pos = '-';
|
|
} /* if */
|
|
|
|
memcpy(str, pos, &buffer[64] - pos + 1);
|
|
return str;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _atoi64 (NTDLL.@)
|
|
*
|
|
* Convert a string to a large integer.
|
|
*
|
|
* PARAMS
|
|
* str [I] String to be converted
|
|
*
|
|
* RETURNS
|
|
* Success: The integer value represented by str.
|
|
* Failure: 0. Note that this cannot be distinguished from a successful
|
|
* return, if the string contains "0".
|
|
*
|
|
* NOTES
|
|
* - Accepts: {whitespace} [+|-] {digits}
|
|
* - No check is made for value overflow, only the lower 64 bits are assigned.
|
|
* - If str is NULL it crashes, as the native function does.
|
|
*/
|
|
LONGLONG __cdecl _atoi64( const char *str )
|
|
{
|
|
ULONGLONG RunningTotal = 0;
|
|
BOOL bMinus = FALSE;
|
|
|
|
while (*str == ' ' || (*str >= '\011' && *str <= '\015')) {
|
|
str++;
|
|
} /* while */
|
|
|
|
if (*str == '+') {
|
|
str++;
|
|
} else if (*str == '-') {
|
|
bMinus = TRUE;
|
|
str++;
|
|
} /* if */
|
|
|
|
while (*str >= '0' && *str <= '9') {
|
|
RunningTotal = RunningTotal * 10 + *str - '0';
|
|
str++;
|
|
} /* while */
|
|
|
|
return bMinus ? -RunningTotal : RunningTotal;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* atoi (NTDLL.@)
|
|
*/
|
|
int __cdecl NTDLL_atoi( const char *nptr )
|
|
{
|
|
return _atoi64( nptr );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* atol (NTDLL.@)
|
|
*/
|
|
LONG __cdecl NTDLL_atol( const char *nptr )
|
|
{
|
|
return _atoi64( nptr );
|
|
}
|
|
|
|
|
|
/* 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;
|
|
}
|
|
|
|
|
|
static int NTDLL_vsscanf( const char *str, const char *format, __ms_va_list ap)
|
|
{
|
|
int rd = 0, consumed = 0;
|
|
int nch;
|
|
if (!*format) return 0;
|
|
|
|
nch = (consumed++, *str++);
|
|
if (nch == '\0')
|
|
return EOF;
|
|
|
|
while (*format)
|
|
{
|
|
if (isspace( *format ))
|
|
{
|
|
/* skip whitespace */
|
|
while ((nch != '\0') && isspace( nch ))
|
|
nch = (consumed++, *str++);
|
|
}
|
|
else if (*format == '%')
|
|
{
|
|
int st = 0;
|
|
BOOLEAN suppress = 0;
|
|
int width = 0;
|
|
int base;
|
|
int h_prefix = 0;
|
|
BOOLEAN l_prefix = FALSE;
|
|
BOOLEAN L_prefix = FALSE;
|
|
BOOLEAN w_prefix = FALSE;
|
|
BOOLEAN I64_prefix = FALSE;
|
|
BOOLEAN prefix_finished = FALSE;
|
|
format++;
|
|
/* a leading asterisk means 'suppress assignment of this field' */
|
|
if (*format == '*')
|
|
{
|
|
format++;
|
|
suppress = TRUE;
|
|
}
|
|
/* look for width specification */
|
|
while (isdigit( *format ))
|
|
{
|
|
width *= 10;
|
|
width += *format++ - '0';
|
|
}
|
|
if (width == 0) width = -1; /* no width spec seen */
|
|
/* read prefix (if any) */
|
|
while (!prefix_finished)
|
|
{
|
|
switch (*format)
|
|
{
|
|
case 'h': h_prefix++; break;
|
|
case 'l':
|
|
if (*(format+1) == 'l')
|
|
{
|
|
I64_prefix = TRUE;
|
|
format++;
|
|
}
|
|
l_prefix = TRUE;
|
|
break;
|
|
case 'w': w_prefix = TRUE; break;
|
|
case 'L': L_prefix = TRUE; break;
|
|
case 'I':
|
|
if (*(format + 1) == '6' &&
|
|
*(format + 2) == '4')
|
|
{
|
|
I64_prefix = TRUE;
|
|
format += 2;
|
|
}
|
|
break;
|
|
default:
|
|
prefix_finished = TRUE;
|
|
}
|
|
if (!prefix_finished) format++;
|
|
}
|
|
/* read type */
|
|
switch (*format)
|
|
{
|
|
case 'p':
|
|
case 'P': /* pointer. */
|
|
if (sizeof(void *) == sizeof(LONGLONG)) I64_prefix = TRUE;
|
|
/* fall through */
|
|
case 'x':
|
|
case 'X': /* hexadecimal integer. */
|
|
base = 16;
|
|
goto number;
|
|
case 'o': /* octal integer */
|
|
base = 8;
|
|
goto number;
|
|
case 'u': /* unsigned decimal integer */
|
|
base = 10;
|
|
goto number;
|
|
case 'd': /* signed decimal integer */
|
|
base = 10;
|
|
goto number;
|
|
case 'i': /* generic integer */
|
|
base = 0;
|
|
number:
|
|
{
|
|
/* read an integer */
|
|
ULONGLONG cur = 0;
|
|
BOOLEAN negative = FALSE;
|
|
BOOLEAN seendigit = FALSE;
|
|
/* skip initial whitespace */
|
|
while ((nch != '\0') && isspace( nch ))
|
|
nch = (consumed++, *str++);
|
|
/* get sign */
|
|
if (nch == '-' || nch == '+')
|
|
{
|
|
negative = (nch == '-');
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
/* look for leading indication of base */
|
|
if (width != 0 && nch == '0' && *format != 'p' && *format != 'P')
|
|
{
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
seendigit = TRUE;
|
|
if (width != 0 && (nch == 'x' || nch == 'X'))
|
|
{
|
|
if (base == 0)
|
|
base = 16;
|
|
if (base == 16)
|
|
{
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
seendigit = FALSE;
|
|
}
|
|
} else if (base == 0)
|
|
base = 8;
|
|
}
|
|
/* format %i without indication of base */
|
|
if (base == 0)
|
|
base = 10;
|
|
/* throw away leading zeros */
|
|
while (width != 0 && nch == '0')
|
|
{
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
seendigit = TRUE;
|
|
}
|
|
if (width != 0 && char2digit( nch, base ) != -1)
|
|
{
|
|
cur = char2digit( nch, base );
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
seendigit = TRUE;
|
|
}
|
|
/* read until no more digits */
|
|
while (width != 0 && nch != '\0' && char2digit( nch, base ) != -1)
|
|
{
|
|
cur = cur*base + char2digit( nch, base );
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
seendigit = TRUE;
|
|
}
|
|
/* okay, done! */
|
|
if (!seendigit) break; /* not a valid number */
|
|
st = 1;
|
|
if (!suppress)
|
|
{
|
|
#define _SET_NUMBER_( type ) *va_arg( ap, type* ) = negative ? -cur : cur
|
|
if (I64_prefix) _SET_NUMBER_( LONGLONG );
|
|
else if (l_prefix) _SET_NUMBER_( LONG );
|
|
else if (h_prefix == 1) _SET_NUMBER_( short int );
|
|
else _SET_NUMBER_( int );
|
|
}
|
|
}
|
|
break;
|
|
case 'e':
|
|
case 'E':
|
|
case 'f':
|
|
case 'g':
|
|
case 'G':
|
|
{ /* read a float */
|
|
long double cur = 1, expcnt = 10;
|
|
ULONGLONG d, hlp;
|
|
int exp = 0;
|
|
BOOLEAN negative = FALSE;
|
|
/*unsigned fpcontrol;*/
|
|
BOOLEAN negexp;
|
|
|
|
/* skip initial whitespace */
|
|
while (nch != '\0' && isspace( nch ))
|
|
nch = (consumed++, *str++);
|
|
|
|
/* get sign */
|
|
if (nch == '-' || nch == '+')
|
|
{
|
|
negative = (nch == '-');
|
|
if (width > 0) width--;
|
|
if (width == 0) break;
|
|
nch = (consumed++, *str++);
|
|
}
|
|
|
|
/* get first digit */
|
|
if ('.' != nch)
|
|
{
|
|
if (!isdigit( nch )) break;
|
|
d = nch - '0';
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
/* read until no more digits */
|
|
while (width != 0 && nch != '\0' && isdigit( nch ))
|
|
{
|
|
hlp = d * 10 + nch - '0';
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
if(d > (ULONGLONG)-1/10 || hlp < d)
|
|
{
|
|
exp++;
|
|
break;
|
|
}
|
|
else
|
|
d = hlp;
|
|
}
|
|
while (width != 0 && nch != '\0' && isdigit( nch ))
|
|
{
|
|
exp++;
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
}
|
|
else
|
|
d = 0; /* Fix: .8 -> 0.8 */
|
|
|
|
/* handle decimals */
|
|
if (width != 0 && nch == '.')
|
|
{
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
|
|
while (width != 0 && nch != '\0' && isdigit( nch ))
|
|
{
|
|
hlp = d * 10 + nch - '0';
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
if(d > (ULONGLONG)-1/10 || hlp < d)
|
|
break;
|
|
|
|
d = hlp;
|
|
exp--;
|
|
}
|
|
while (width != 0 && nch != '\0' && isdigit( nch ))
|
|
{
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
}
|
|
|
|
/* handle exponent */
|
|
if (width != 0 && (nch == 'e' || nch == 'E'))
|
|
{
|
|
int sign = 1, e = 0;
|
|
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
if (width != 0 && (nch == '+' || nch == '-'))
|
|
{
|
|
if(nch == '-')
|
|
sign = -1;
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
|
|
/* exponent digits */
|
|
while (width != 0 && nch != '\0' && isdigit( nch ))
|
|
{
|
|
if (e > INT_MAX/10 || (e = e * 10 + nch - '0') < 0)
|
|
e = INT_MAX;
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
e *= sign;
|
|
|
|
if(exp < 0 && e < 0 && e+exp > 0) exp = INT_MIN;
|
|
else if(exp > 0 && e > 0 && e+exp < 0) exp = INT_MAX;
|
|
else exp += e;
|
|
}
|
|
|
|
/*fpcontrol = _control87(0, 0);
|
|
_control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
|
|
|MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);*/
|
|
|
|
negexp = (exp < 0);
|
|
if (negexp)
|
|
exp = -exp;
|
|
/* update 'cur' with this exponent. */
|
|
while (exp)
|
|
{
|
|
if(exp & 1)
|
|
cur *= expcnt;
|
|
exp /= 2;
|
|
expcnt = expcnt*expcnt;
|
|
}
|
|
cur = (negexp ? d/cur : d*cur);
|
|
|
|
/*_control87(fpcontrol, 0xffffffff);*/
|
|
|
|
st = 1;
|
|
if (!suppress)
|
|
{
|
|
if (L_prefix || l_prefix) _SET_NUMBER_( double );
|
|
else _SET_NUMBER_( float );
|
|
}
|
|
}
|
|
break;
|
|
/* According to msdn,
|
|
* 's' reads a character string in a call to fscanf
|
|
* and 'S' a wide character string and vice versa in a
|
|
* call to fwscanf. The 'h', 'w' and 'l' prefixes override
|
|
* this behaviour. 'h' forces reading char * but 'l' and 'w'
|
|
* force reading WCHAR. */
|
|
case 's':
|
|
if (w_prefix || l_prefix) goto widecharstring;
|
|
else if (h_prefix) goto charstring;
|
|
else goto charstring;
|
|
case 'S':
|
|
if (w_prefix || l_prefix) goto widecharstring;
|
|
else if (h_prefix) goto charstring;
|
|
else goto widecharstring;
|
|
charstring:
|
|
{ /* read a word into a char */
|
|
char *sptr = suppress ? NULL : va_arg( ap, char * );
|
|
char *sptr_beg = sptr;
|
|
unsigned size = UINT_MAX;
|
|
/* skip initial whitespace */
|
|
while (nch != '\0' && isspace( nch ))
|
|
nch = (consumed++, *str++);
|
|
/* read until whitespace */
|
|
while (width != 0 && nch != '\0' && !isspace( nch ))
|
|
{
|
|
if (!suppress)
|
|
{
|
|
*sptr++ = nch;
|
|
if(size > 1) size--;
|
|
else
|
|
{
|
|
*sptr_beg = 0;
|
|
return rd;
|
|
}
|
|
}
|
|
st++;
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
/* terminate */
|
|
if (st && !suppress) *sptr = 0;
|
|
}
|
|
break;
|
|
widecharstring:
|
|
{ /* read a word into a WCHAR * */
|
|
WCHAR *sptr = suppress ? NULL : va_arg( ap, WCHAR * );
|
|
WCHAR *sptr_beg = sptr;
|
|
unsigned size = UINT_MAX;
|
|
/* skip initial whitespace */
|
|
while (nch != '\0' && isspace( nch ))
|
|
nch = (consumed++, *str++);
|
|
/* read until whitespace */
|
|
while (width != 0 && nch != '\0' && !isspace( nch ))
|
|
{
|
|
if (!suppress)
|
|
{
|
|
*sptr++ = nch;
|
|
if (size > 1) size--;
|
|
else
|
|
{
|
|
*sptr_beg = 0;
|
|
return rd;
|
|
}
|
|
}
|
|
st++;
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
}
|
|
/* terminate */
|
|
if (st && !suppress) *sptr = 0;
|
|
}
|
|
break;
|
|
/* 'c' and 'C work analogously to 's' and 'S' as described
|
|
* above */
|
|
case 'c':
|
|
if (w_prefix || l_prefix) goto widecharacter;
|
|
else if (h_prefix) goto character;
|
|
else goto character;
|
|
case 'C':
|
|
if (w_prefix || l_prefix) goto widecharacter;
|
|
else if (h_prefix) goto character;
|
|
else goto widecharacter;
|
|
character:
|
|
{ /* read single character into char */
|
|
char *str = suppress ? NULL : va_arg( ap, char * );
|
|
char *pstr = str;
|
|
unsigned size = UINT_MAX;
|
|
if (width == -1) width = 1;
|
|
while (width && nch != '\0')
|
|
{
|
|
if (!suppress)
|
|
{
|
|
*str++ = nch;
|
|
if(size) size--;
|
|
else
|
|
{
|
|
*pstr = 0;
|
|
return rd;
|
|
}
|
|
}
|
|
st++;
|
|
width--;
|
|
nch = (consumed++, *str++);
|
|
}
|
|
}
|
|
break;
|
|
widecharacter:
|
|
{ /* read single character into a WCHAR */
|
|
WCHAR *str = suppress ? NULL : va_arg( ap, WCHAR * );
|
|
WCHAR *pstr = str;
|
|
unsigned size = UINT_MAX;
|
|
if (width == -1) width = 1;
|
|
while (width && nch != '\0')
|
|
{
|
|
if (!suppress)
|
|
{
|
|
*str++ = nch;
|
|
if (size) size--;
|
|
else
|
|
{
|
|
*pstr = 0;
|
|
return rd;
|
|
}
|
|
}
|
|
st++;
|
|
width--;
|
|
nch = (consumed++, *str++);
|
|
}
|
|
}
|
|
break;
|
|
case 'n':
|
|
{
|
|
if (!suppress)
|
|
{
|
|
int *n = va_arg( ap, int * );
|
|
*n = consumed - 1;
|
|
}
|
|
/* This is an odd one: according to the standard,
|
|
* "Execution of a %n directive does not increment the
|
|
* assignment count returned at the completion of
|
|
* execution" even if it wasn't suppressed with the
|
|
* '*' flag. The Corrigendum to the standard seems
|
|
* to contradict this (comment out the assignment to
|
|
* suppress below if you want to implement these
|
|
* alternate semantics) but the windows program I'm
|
|
* looking at expects the behavior I've coded here
|
|
* (which happens to be what glibc does as well).
|
|
*/
|
|
suppress = TRUE;
|
|
st = 1;
|
|
}
|
|
break;
|
|
case '[':
|
|
{
|
|
char *str = suppress ? NULL : va_arg( ap, char * );
|
|
char *sptr = str;
|
|
RTL_BITMAP bitMask;
|
|
ULONG Mask[8];
|
|
BOOLEAN invert = FALSE; /* Set if we are NOT to find the chars */
|
|
unsigned size = UINT_MAX;
|
|
|
|
RtlInitializeBitMap( &bitMask, Mask, sizeof(Mask) * 8 );
|
|
|
|
/* Read the format */
|
|
format++;
|
|
if (*format == '^')
|
|
{
|
|
invert = TRUE;
|
|
format++;
|
|
}
|
|
if (*format == ']')
|
|
{
|
|
RtlSetBits( &bitMask, ']', 1 );
|
|
format++;
|
|
}
|
|
while (*format && (*format != ']'))
|
|
{
|
|
/* According to msdn:
|
|
* "Note that %[a-z] and %[z-a] are interpreted as equivalent to %[abcde...z]." */
|
|
if ((*format == '-') && (*(format + 1) != ']'))
|
|
{
|
|
if ((*(format - 1)) < *(format + 1))
|
|
RtlSetBits( &bitMask, *(format - 1) +1 , *(format + 1) - *(format - 1) );
|
|
else
|
|
RtlSetBits( &bitMask, *(format + 1) , *(format - 1) - *(format + 1) );
|
|
format++;
|
|
}
|
|
else
|
|
RtlSetBits( &bitMask, *format, 1 );
|
|
format++;
|
|
}
|
|
/* read until char is not suitable */
|
|
while (width != 0 && nch != '\0')
|
|
{
|
|
if (!invert)
|
|
{
|
|
if(RtlAreBitsSet( &bitMask, nch, 1 ))
|
|
{
|
|
if (!suppress) *sptr++ = nch;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (RtlAreBitsClear( &bitMask, nch, 1 ))
|
|
{
|
|
if (!suppress) *sptr++ = nch;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
st++;
|
|
nch = (consumed++, *str++);
|
|
if (width > 0) width--;
|
|
if(size > 1) size--;
|
|
else
|
|
{
|
|
*str = 0;
|
|
return rd;
|
|
}
|
|
}
|
|
/* terminate */
|
|
if (!suppress) *sptr = 0;
|
|
}
|
|
break;
|
|
default:
|
|
/* From spec: "if a percent sign is followed by a character
|
|
* that has no meaning as a format-control character, that
|
|
* character and the following characters are treated as
|
|
* an ordinary sequence of characters, that is, a sequence
|
|
* of characters that must match the input. For example,
|
|
* to specify that a percent-sign character is to be input,
|
|
* use %%." */
|
|
while (nch != '\0' && isspace( nch ))
|
|
nch = (consumed++, *str++);
|
|
if (nch == *format)
|
|
{
|
|
suppress = TRUE; /* whoops no field to be read */
|
|
st = 1; /* but we got what we expected */
|
|
nch = (consumed++, *str++);
|
|
}
|
|
break;
|
|
}
|
|
if (st && !suppress) rd++;
|
|
else if (!st) break;
|
|
}
|
|
/* A non-white-space character causes scanf to read, but not store,
|
|
* a matching non-white-space character. */
|
|
else
|
|
{
|
|
if (nch == *format)
|
|
nch = (consumed++, *str++);
|
|
else break;
|
|
}
|
|
format++;
|
|
}
|
|
if (nch != '\0')
|
|
{
|
|
consumed--, str--;
|
|
}
|
|
|
|
return rd;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* sscanf (NTDLL.@)
|
|
*/
|
|
int __cdecl NTDLL_sscanf( const char *str, const char *format, ... )
|
|
{
|
|
int ret;
|
|
__ms_va_list valist;
|
|
__ms_va_start( valist, format );
|
|
ret = NTDLL_vsscanf( str, format, valist );
|
|
__ms_va_end( valist );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _splitpath (NTDLL.@)
|
|
*
|
|
* Split a path into its component pieces.
|
|
*
|
|
* PARAMS
|
|
* inpath [I] Path to split
|
|
* drv [O] Destination for drive component (e.g. "A:"). Must be at least 3 characters.
|
|
* dir [O] Destination for directory component. Should be at least MAX_PATH characters.
|
|
* fname [O] Destination for File name component. Should be at least MAX_PATH characters.
|
|
* ext [O] Destination for file extension component. Should be at least MAX_PATH characters.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*/
|
|
void __cdecl _splitpath(const char* inpath, char * drv, char * dir,
|
|
char* fname, char * ext )
|
|
{
|
|
const char *p, *end;
|
|
|
|
if (inpath[0] && inpath[1] == ':')
|
|
{
|
|
if (drv)
|
|
{
|
|
drv[0] = inpath[0];
|
|
drv[1] = inpath[1];
|
|
drv[2] = 0;
|
|
}
|
|
inpath += 2;
|
|
}
|
|
else if (drv) drv[0] = 0;
|
|
|
|
/* look for end of directory part */
|
|
end = NULL;
|
|
for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
|
|
|
|
if (end) /* got a directory */
|
|
{
|
|
if (dir)
|
|
{
|
|
memcpy( dir, inpath, end - inpath );
|
|
dir[end - inpath] = 0;
|
|
}
|
|
inpath = end;
|
|
}
|
|
else if (dir) dir[0] = 0;
|
|
|
|
/* look for extension: what's after the last dot */
|
|
end = NULL;
|
|
for (p = inpath; *p; p++) if (*p == '.') end = p;
|
|
|
|
if (!end) end = p; /* there's no extension */
|
|
|
|
if (fname)
|
|
{
|
|
memcpy( fname, inpath, end - inpath );
|
|
fname[end - inpath] = 0;
|
|
}
|
|
if (ext) strcpy( ext, end );
|
|
}
|