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![Alexandre Julliard](/assets/img/avatar_default.png)
Implementation copied from msvcrt. Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2029 lines
54 KiB
C
2029 lines
54 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 <limits.h>
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#include <errno.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 <stdint.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "winternl.h"
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#include "ntdll_misc.h"
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/* same as wctypes except for TAB, which doesn't have C1_BLANK for some reason... */
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static const unsigned short ctypes[257] =
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{
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/* -1 */
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0x0000,
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/* 00 */
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0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
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0x0020, 0x0028, 0x0028, 0x0028, 0x0028, 0x0028, 0x0020, 0x0020,
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/* 10 */
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0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
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0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
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/* 20 */
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0x0048, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010,
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0x0010, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010,
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/* 30 */
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0x0084, 0x0084, 0x0084, 0x0084, 0x0084, 0x0084, 0x0084, 0x0084,
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0x0084, 0x0084, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010,
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/* 40 */
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0x0010, 0x0181, 0x0181, 0x0181, 0x0181, 0x0181, 0x0181, 0x0101,
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0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
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/* 50 */
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0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
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0x0101, 0x0101, 0x0101, 0x0010, 0x0010, 0x0010, 0x0010, 0x0010,
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/* 60 */
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0x0010, 0x0182, 0x0182, 0x0182, 0x0182, 0x0182, 0x0182, 0x0102,
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0x0102, 0x0102, 0x0102, 0x0102, 0x0102, 0x0102, 0x0102, 0x0102,
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/* 70 */
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0x0102, 0x0102, 0x0102, 0x0102, 0x0102, 0x0102, 0x0102, 0x0102,
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0x0102, 0x0102, 0x0102, 0x0010, 0x0010, 0x0010, 0x0010, 0x0020
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};
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/*********************************************************************
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* memchr (NTDLL.@)
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*/
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void * __cdecl memchr( const void *ptr, int c, size_t n )
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{
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const unsigned char *p = ptr;
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for (p = ptr; n; n--, p++) if (*p == (unsigned char)c) return (void *)(ULONG_PTR)p;
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return NULL;
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}
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/*********************************************************************
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* memcmp (NTDLL.@)
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*/
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int __cdecl memcmp( const void *ptr1, const void *ptr2, size_t n )
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{
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const unsigned char *p1, *p2;
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for (p1 = ptr1, p2 = ptr2; n; n--, p1++, p2++)
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{
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if (*p1 < *p2) return -1;
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if (*p1 > *p2) return 1;
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}
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return 0;
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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 memcpy( void *dst, const void *src, size_t n )
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{
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volatile unsigned char *d = dst; /* avoid gcc optimizations */
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const unsigned char *s = src;
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if ((size_t)dst - (size_t)src >= n)
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{
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while (n--) *d++ = *s++;
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}
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else
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{
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d += n - 1;
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s += n - 1;
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while (n--) *d-- = *s--;
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}
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return dst;
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}
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/*********************************************************************
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* memmove (NTDLL.@)
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*/
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void * __cdecl memmove( void *dst, const void *src, size_t n )
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{
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volatile unsigned char *d = dst; /* avoid gcc optimizations */
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const unsigned char *s = src;
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if ((size_t)dst - (size_t)src >= n)
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{
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while (n--) *d++ = *s++;
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}
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else
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{
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d += n - 1;
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s += n - 1;
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while (n--) *d-- = *s--;
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}
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return dst;
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}
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/*********************************************************************
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* memcpy_s (MSVCRT.@)
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*/
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errno_t __cdecl memcpy_s( void *dst, size_t len, const void *src, size_t count )
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{
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if (!count) return 0;
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if (!dst) return EINVAL;
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if (!src)
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{
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memset( dst, 0, len );
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return EINVAL;
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}
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if (count > len)
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{
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memset( dst, 0, len );
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return ERANGE;
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}
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memmove( dst, src, count );
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return 0;
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}
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/*********************************************************************
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* memmove_s (MSVCRT.@)
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*/
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errno_t __cdecl memmove_s( void *dst, size_t len, const void *src, size_t count )
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{
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if (!count) return 0;
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if (!dst) return EINVAL;
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if (!src) return EINVAL;
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if (count > len) return ERANGE;
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memmove( dst, src, count );
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return 0;
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}
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static inline void memset_aligned_32( unsigned char *d, uint64_t v, size_t n )
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{
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unsigned char *end = d + n;
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while (d < end)
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{
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*(uint64_t *)(d + 0) = v;
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*(uint64_t *)(d + 8) = v;
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*(uint64_t *)(d + 16) = v;
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*(uint64_t *)(d + 24) = v;
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d += 32;
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}
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}
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/*********************************************************************
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* memset (NTDLL.@)
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*/
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void *__cdecl memset( void *dst, int c, size_t n )
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{
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typedef uint64_t DECLSPEC_ALIGN(1) unaligned_ui64;
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typedef uint32_t DECLSPEC_ALIGN(1) unaligned_ui32;
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typedef uint16_t DECLSPEC_ALIGN(1) unaligned_ui16;
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uint64_t v = 0x101010101010101ull * (unsigned char)c;
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unsigned char *d = (unsigned char *)dst;
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size_t a = 0x20 - ((uintptr_t)d & 0x1f);
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if (n >= 16)
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{
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*(unaligned_ui64 *)(d + 0) = v;
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*(unaligned_ui64 *)(d + 8) = v;
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*(unaligned_ui64 *)(d + n - 16) = v;
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*(unaligned_ui64 *)(d + n - 8) = v;
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if (n <= 32) return dst;
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*(unaligned_ui64 *)(d + 16) = v;
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*(unaligned_ui64 *)(d + 24) = v;
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*(unaligned_ui64 *)(d + n - 32) = v;
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*(unaligned_ui64 *)(d + n - 24) = v;
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if (n <= 64) return dst;
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n = (n - a) & ~0x1f;
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memset_aligned_32( d + a, v, n );
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return dst;
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}
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if (n >= 8)
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{
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*(unaligned_ui64 *)d = v;
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*(unaligned_ui64 *)(d + n - 8) = v;
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return dst;
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}
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if (n >= 4)
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{
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*(unaligned_ui32 *)d = v;
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*(unaligned_ui32 *)(d + n - 4) = v;
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return dst;
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}
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if (n >= 2)
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{
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*(unaligned_ui16 *)d = v;
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*(unaligned_ui16 *)(d + n - 2) = v;
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return dst;
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}
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if (n >= 1)
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{
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*(uint8_t *)d = v;
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return dst;
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}
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return dst;
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}
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/*********************************************************************
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* strcat (NTDLL.@)
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*/
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char * __cdecl strcat( char *dst, const char *src )
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{
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char *d = dst;
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while (*d) d++;
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while ((*d++ = *src++));
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return dst;
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}
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/*********************************************************************
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* strcat_s (NTDLL.@)
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*/
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errno_t __cdecl strcat_s( char *dst, size_t len, const char *src )
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{
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size_t i, j;
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if (!dst || !len) return EINVAL;
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if (!src)
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{
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*dst = 0;
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return EINVAL;
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}
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for (i = 0; i < len; i++) if (!dst[i]) break;
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for (j = 0; (j + i) < len; j++) if (!(dst[j + i] = src[j])) return 0;
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*dst = 0;
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return ERANGE;
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}
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/*********************************************************************
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* strchr (NTDLL.@)
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*/
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char * __cdecl strchr( const char *str, int c )
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{
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do { if (*str == (char)c) return (char *)(ULONG_PTR)str; } while (*str++);
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return NULL;
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}
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/*********************************************************************
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* strcmp (NTDLL.@)
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*/
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int __cdecl strcmp( const char *str1, const char *str2 )
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{
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while (*str1 && *str1 == *str2) { str1++; str2++; }
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if ((unsigned char)*str1 > (unsigned char)*str2) return 1;
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if ((unsigned char)*str1 < (unsigned char)*str2) return -1;
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return 0;
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}
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/*********************************************************************
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* strcpy (NTDLL.@)
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*/
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char * __cdecl strcpy( char *dst, const char *src )
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{
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char *d = dst;
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while ((*d++ = *src++));
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return dst;
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}
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/*********************************************************************
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* strcpy_s (NTDLL.@)
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*/
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errno_t __cdecl strcpy_s( char *dst, size_t len, const char *src )
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{
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size_t i;
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if (!dst || !len) return EINVAL;
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if (!src)
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{
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*dst = 0;
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return EINVAL;
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}
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for (i = 0; i < len; i++) if (!(dst[i] = src[i])) return 0;
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*dst = 0;
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return ERANGE;
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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 strcspn( const char *str, const char *reject )
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{
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const char *ptr;
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for (ptr = str; *ptr; ptr++) if (strchr( reject, *ptr )) break;
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return ptr - str;
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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 strlen( const char *str )
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{
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const char *s = str;
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while (*s) s++;
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return s - 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 strncat( char *dst, const char *src, size_t len )
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{
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char *d = dst;
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while (*d) d++;
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for ( ; len && *src; d++, src++, len--) *d = *src;
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*d = 0;
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return dst;
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}
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/*********************************************************************
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* strncat_s (NTDLL.@)
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*/
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errno_t __cdecl strncat_s( char *dst, size_t len, const char *src, size_t count )
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{
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size_t i, j;
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if (!dst || !len) return EINVAL;
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if (!count) return 0;
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if (!src)
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{
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*dst = 0;
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return EINVAL;
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}
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for (i = 0; i < len; i++) if (!dst[i]) break;
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if (i == len)
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{
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*dst = 0;
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return EINVAL;
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}
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for (j = 0; (j + i) < len; j++)
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{
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if (count == _TRUNCATE && j + i == len - 1)
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{
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dst[j + i] = 0;
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return STRUNCATE;
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}
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if (j == count || !(dst[j + i] = src[j]))
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{
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dst[j + i] = 0;
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return 0;
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}
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}
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*dst = 0;
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return ERANGE;
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}
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/*********************************************************************
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* strncmp (NTDLL.@)
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*/
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int __cdecl strncmp( const char *str1, const char *str2, size_t len )
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{
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if (!len) return 0;
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while (--len && *str1 && *str1 == *str2) { str1++; str2++; }
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return (unsigned char)*str1 - (unsigned char)*str2;
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}
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/*********************************************************************
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* strncpy (NTDLL.@)
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*/
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#undef strncpy
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char * __cdecl strncpy( char *dst, const char *src, size_t len )
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{
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char *d;
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for (d = dst; len && *src; d++, src++, len--) *d = *src;
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while (len--) *d++ = 0;
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return dst;
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}
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|
|
|
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/*********************************************************************
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* strncpy_s (NTDLL.@)
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*/
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errno_t __cdecl strncpy_s( char *dst, size_t len, const char *src, size_t count )
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{
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size_t i, end;
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if (!count)
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{
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if (dst && len) *dst = 0;
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return 0;
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}
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if (!dst || !len) return EINVAL;
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if (!src)
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{
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*dst = 0;
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return EINVAL;
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}
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if (count != _TRUNCATE && count < len)
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end = count;
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else
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end = len - 1;
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for (i = 0; i < end; i++)
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if (!(dst[i] = src[i])) return 0;
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if (count == _TRUNCATE)
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{
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dst[i] = 0;
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return STRUNCATE;
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}
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if (end == count)
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{
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dst[i] = 0;
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return 0;
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}
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dst[0] = 0;
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return ERANGE;
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}
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|
|
|
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/*********************************************************************
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* strnlen (NTDLL.@)
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*/
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size_t __cdecl strnlen( const char *str, size_t len )
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{
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const char *s;
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for (s = str; len && *s; s++, len--) ;
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return s - str;
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}
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|
|
|
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/*********************************************************************
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* strpbrk (NTDLL.@)
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*/
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char * __cdecl strpbrk( const char *str, const char *accept )
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{
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for ( ; *str; str++) if (strchr( accept, *str )) return (char *)(ULONG_PTR)str;
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return NULL;
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}
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|
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|
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/*********************************************************************
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* strrchr (NTDLL.@)
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*/
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char * __cdecl strrchr( const char *str, int c )
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{
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char *ret = NULL;
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do { if (*str == (char)c) ret = (char *)(ULONG_PTR)str; } while (*str++);
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return ret;
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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 strspn( const char *str, const char *accept )
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{
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const char *ptr;
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for (ptr = str; *ptr; ptr++) if (!strchr( accept, *ptr )) break;
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return ptr - str;
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}
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|
|
|
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/*********************************************************************
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* strstr (NTDLL.@)
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*/
|
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char * __cdecl strstr( const char *str, const char *sub )
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{
|
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while (*str)
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{
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const char *p1 = str, *p2 = sub;
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while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
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if (!*p2) return (char *)str;
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str++;
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}
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return NULL;
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}
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|
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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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unsigned char *d = dst;
|
|
const unsigned char *s = src;
|
|
while (n--) if ((*d++ = *s++) == (unsigned char)c) return d;
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* tolower (NTDLL.@)
|
|
*/
|
|
int __cdecl tolower( int c )
|
|
{
|
|
return (char)c >= 'A' && (char)c <= 'Z' ? c - 'A' + 'a' : c;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _memicmp (NTDLL.@)
|
|
*
|
|
* Compare two blocks of memory as strings, ignoring case.
|
|
*
|
|
* PARAMS
|
|
* s1 [I] First string to compare to s2
|
|
* s2 [I] Second string to compare to s1
|
|
* len [I] Number of bytes to compare
|
|
*
|
|
* RETURNS
|
|
* An integer less than, equal to, or greater than zero indicating that
|
|
* s1 is less than, equal to or greater than s2 respectively.
|
|
*
|
|
* NOTES
|
|
* Any Nul characters in s1 or s2 are ignored. This function always
|
|
* compares up to len bytes or the first place where s1 and s2 differ.
|
|
*/
|
|
int __cdecl _memicmp( const void *str1, const void *str2, size_t len )
|
|
{
|
|
const unsigned char *s1 = str1, *s2 = str2;
|
|
int ret = 0;
|
|
while (len--)
|
|
{
|
|
if ((ret = tolower(*s1) - tolower(*s2))) break;
|
|
s1++;
|
|
s2++;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strnicmp (NTDLL.@)
|
|
*/
|
|
int __cdecl _strnicmp( LPCSTR str1, LPCSTR str2, size_t n )
|
|
{
|
|
int l1, l2;
|
|
|
|
while (n--)
|
|
{
|
|
l1 = (unsigned char)tolower(*str1);
|
|
l2 = (unsigned char)tolower(*str2);
|
|
if (l1 != l2)
|
|
{
|
|
if (sizeof(void *) > sizeof(int)) return l1 - l2;
|
|
return l1 - l2 > 0 ? 1 : -1;
|
|
}
|
|
if (!l1) return 0;
|
|
str1++;
|
|
str2++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _stricmp (NTDLL.@)
|
|
* _strcmpi (NTDLL.@)
|
|
*/
|
|
int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 )
|
|
{
|
|
return _strnicmp( str1, str2, -1 );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strupr (NTDLL.@)
|
|
*
|
|
* Convert a string to upper case.
|
|
*
|
|
* PARAMS
|
|
* str [I/O] String to convert
|
|
*
|
|
* RETURNS
|
|
* str. There is no error return, if str is NULL or invalid, this
|
|
* function will crash.
|
|
*/
|
|
LPSTR __cdecl _strupr( LPSTR str )
|
|
{
|
|
LPSTR ret = str;
|
|
for ( ; *str; str++) if (*str >= 'a' && *str <= 'z') *str += 'A' + 'a';
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strupr_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _strupr_s( char *str, size_t len )
|
|
{
|
|
if (!str) return EINVAL;
|
|
|
|
if (strnlen( str, len ) == len)
|
|
{
|
|
*str = 0;
|
|
return EINVAL;
|
|
}
|
|
|
|
_strupr( str );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strlwr (NTDLL.@)
|
|
*
|
|
* Convert a string to lowercase
|
|
*
|
|
* PARAMS
|
|
* str [I/O] String to convert
|
|
*
|
|
* RETURNS
|
|
* str. There is no error return, if str is NULL or invalid, this
|
|
* function will crash.
|
|
*/
|
|
LPSTR __cdecl _strlwr( LPSTR str )
|
|
{
|
|
LPSTR ret = str;
|
|
for ( ; *str; str++) if (*str >= 'A' && *str <= 'Z') *str += 'a' - 'A';
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strlwr_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _strlwr_s( char *str, size_t len )
|
|
{
|
|
if (!str) return EINVAL;
|
|
|
|
if (strnlen( str, len ) == len)
|
|
{
|
|
*str = 0;
|
|
return EINVAL;
|
|
}
|
|
_strlwr( str );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* toupper (NTDLL.@)
|
|
*/
|
|
int __cdecl toupper( int c )
|
|
{
|
|
char str[4], *p = str;
|
|
WCHAR wc;
|
|
DWORD len;
|
|
|
|
memcpy( str, &c, sizeof(c) );
|
|
wc = RtlAnsiCharToUnicodeChar( &p );
|
|
if (RtlUpcaseUnicodeToMultiByteN( str, 2, &len, &wc, sizeof(wc) )) return c;
|
|
if (len == 2) return ((unsigned char)str[0] << 8) + (unsigned char)str[1];
|
|
return (unsigned char)str[0];
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isalnum (NTDLL.@)
|
|
*/
|
|
int __cdecl isalnum( int c )
|
|
{
|
|
return ctypes[c + 1] & (C1_LOWER | C1_UPPER | C1_DIGIT);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isalpha (NTDLL.@)
|
|
*/
|
|
int __cdecl isalpha( int c )
|
|
{
|
|
return ctypes[c + 1] & (C1_LOWER | C1_UPPER);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* iscntrl (NTDLL.@)
|
|
*/
|
|
int __cdecl iscntrl( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_CNTRL;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isdigit (NTDLL.@)
|
|
*/
|
|
int __cdecl isdigit( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_DIGIT;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isgraph (NTDLL.@)
|
|
*/
|
|
int __cdecl isgraph( int c )
|
|
{
|
|
return ctypes[c + 1] & (C1_LOWER | C1_UPPER | C1_DIGIT | C1_PUNCT);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* islower (NTDLL.@)
|
|
*/
|
|
int __cdecl islower( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_LOWER;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isprint (NTDLL.@)
|
|
*/
|
|
int __cdecl isprint( int c )
|
|
{
|
|
return ctypes[c + 1] & (C1_LOWER | C1_UPPER | C1_DIGIT | C1_PUNCT | C1_BLANK);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* ispunct (NTDLL.@)
|
|
*/
|
|
int __cdecl ispunct( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_PUNCT;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isspace (NTDLL.@)
|
|
*/
|
|
int __cdecl isspace( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_SPACE;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isupper (NTDLL.@)
|
|
*/
|
|
int __cdecl isupper( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_UPPER;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* isxdigit (NTDLL.@)
|
|
*/
|
|
int __cdecl isxdigit( int c )
|
|
{
|
|
return ctypes[c + 1] & C1_XDIGIT;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* __isascii (NTDLL.@)
|
|
*/
|
|
int CDECL __isascii(int c)
|
|
{
|
|
return (unsigned)c < 0x80;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* __toascii (NTDLL.@)
|
|
*/
|
|
int CDECL __toascii(int c)
|
|
{
|
|
return (unsigned)c & 0x7f;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* __iscsym (NTDLL.@)
|
|
*/
|
|
int CDECL __iscsym(int c)
|
|
{
|
|
return (c < 127 && (isalnum(c) || c == '_'));
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* __iscsymf (NTDLL.@)
|
|
*/
|
|
int CDECL __iscsymf(int c)
|
|
{
|
|
return (c < 127 && (isalpha(c) || c == '_'));
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _toupper (NTDLL.@)
|
|
*/
|
|
int CDECL _toupper(int c)
|
|
{
|
|
return c - 0x20; /* sic */
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _tolower (NTDLL.@)
|
|
*/
|
|
int CDECL _tolower(int c)
|
|
{
|
|
return c + 0x20; /* sic */
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* strtok_s (NTDLL.@)
|
|
*/
|
|
char * __cdecl strtok_s( char *str, const char *delim, char **ctx )
|
|
{
|
|
char *next;
|
|
|
|
if (!delim || !ctx) return NULL;
|
|
if (!str)
|
|
{
|
|
str = *ctx;
|
|
if (!str) return NULL;
|
|
}
|
|
while (*str && strchr( delim, *str )) str++;
|
|
if (!*str)
|
|
{
|
|
*ctx = str;
|
|
return NULL;
|
|
}
|
|
next = str + 1;
|
|
while (*next && !strchr( delim, *next )) next++;
|
|
if (*next) *next++ = 0;
|
|
*ctx = next;
|
|
return str;
|
|
}
|
|
|
|
|
|
static int char_to_int( char c )
|
|
{
|
|
if ('0' <= c && c <= '9') return c - '0';
|
|
if ('A' <= c && c <= 'Z') return c - 'A' + 10;
|
|
if ('a' <= c && c <= 'z') return c - 'a' + 10;
|
|
return -1;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* strtol (NTDLL.@)
|
|
*/
|
|
__msvcrt_long __cdecl strtol( const char *s, char **end, int base )
|
|
{
|
|
BOOL negative = FALSE, empty = TRUE;
|
|
LONG ret = 0;
|
|
|
|
if (base < 0 || base == 1 || base > 36) return 0;
|
|
if (end) *end = (char *)s;
|
|
while (isspace(*s)) s++;
|
|
|
|
if (*s == '-')
|
|
{
|
|
negative = TRUE;
|
|
s++;
|
|
}
|
|
else if (*s == '+') s++;
|
|
|
|
if ((base == 0 || base == 16) && !char_to_int( *s ) && (s[1] == 'x' || s[1] == 'X'))
|
|
{
|
|
base = 16;
|
|
s += 2;
|
|
}
|
|
if (base == 0) base = char_to_int( *s ) ? 10 : 8;
|
|
|
|
while (*s)
|
|
{
|
|
int v = char_to_int( *s );
|
|
if (v < 0 || v >= base) break;
|
|
if (negative) v = -v;
|
|
s++;
|
|
empty = FALSE;
|
|
|
|
if (!negative && (ret > MAXLONG / base || ret * base > MAXLONG - v))
|
|
ret = MAXLONG;
|
|
else if (negative && (ret < (LONG)MINLONG / base || ret * base < (LONG)(MINLONG - v)))
|
|
ret = MINLONG;
|
|
else
|
|
ret = ret * base + v;
|
|
}
|
|
|
|
if (end && !empty) *end = (char *)s;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* strtoul (NTDLL.@)
|
|
*/
|
|
__msvcrt_ulong __cdecl strtoul( const char *s, char **end, int base )
|
|
{
|
|
BOOL negative = FALSE, empty = TRUE;
|
|
ULONG ret = 0;
|
|
|
|
if (base < 0 || base == 1 || base > 36) return 0;
|
|
if (end) *end = (char *)s;
|
|
while (isspace(*s)) s++;
|
|
|
|
if (*s == '-')
|
|
{
|
|
negative = TRUE;
|
|
s++;
|
|
}
|
|
else if (*s == '+') s++;
|
|
|
|
if ((base == 0 || base == 16) && !char_to_int( *s ) && (s[1] == 'x' || s[1] == 'X'))
|
|
{
|
|
base = 16;
|
|
s += 2;
|
|
}
|
|
if (base == 0) base = char_to_int( *s ) ? 10 : 8;
|
|
|
|
while (*s)
|
|
{
|
|
int v = char_to_int( *s );
|
|
if (v < 0 || v >= base) break;
|
|
s++;
|
|
empty = FALSE;
|
|
|
|
if (ret > MAXDWORD / base || ret * base > MAXDWORD - v)
|
|
ret = MAXDWORD;
|
|
else
|
|
ret = ret * base + v;
|
|
}
|
|
|
|
if (end && !empty) *end = (char *)s;
|
|
return negative ? -ret : ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ultoa (NTDLL.@)
|
|
*
|
|
* Convert an unsigned long 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 33 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 _ultoa( __msvcrt_ulong value, char *str, int radix )
|
|
{
|
|
char buffer[33];
|
|
char *pos;
|
|
int digit;
|
|
|
|
pos = &buffer[32];
|
|
*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[32] - pos + 1);
|
|
return str;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ltoa (NTDLL.@)
|
|
*
|
|
* Convert a long 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 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 _ltoa( __msvcrt_long value, char *str, int radix )
|
|
{
|
|
ULONG val;
|
|
int negative;
|
|
char buffer[33];
|
|
char *pos;
|
|
int digit;
|
|
|
|
if (value < 0 && radix == 10) {
|
|
negative = 1;
|
|
val = -value;
|
|
} else {
|
|
negative = 0;
|
|
val = value;
|
|
} /* if */
|
|
|
|
pos = &buffer[32];
|
|
*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[32] - pos + 1);
|
|
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;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ui64toa_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _ui64toa_s( unsigned __int64 value, char *str, size_t size, int radix )
|
|
{
|
|
char buffer[65], *pos;
|
|
|
|
if (!str || !size) return EINVAL;
|
|
if (radix < 2 || radix > 36)
|
|
{
|
|
str[0] = 0;
|
|
return EINVAL;
|
|
}
|
|
|
|
pos = buffer + 64;
|
|
*pos = 0;
|
|
|
|
do {
|
|
int digit = value % radix;
|
|
value = value / radix;
|
|
if (digit < 10)
|
|
*--pos = '0' + digit;
|
|
else
|
|
*--pos = 'a' + digit - 10;
|
|
} while (value != 0);
|
|
|
|
if (buffer - pos + 65 > size)
|
|
{
|
|
str[0] = 0;
|
|
return ERANGE;
|
|
}
|
|
memcpy( str, pos, buffer - pos + 65 );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ultoa_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _ultoa_s( __msvcrt_ulong value, char *str, size_t size, int radix )
|
|
{
|
|
return _ui64toa_s( value, str, size, radix );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _i64toa_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _i64toa_s( __int64 value, char *str, size_t size, int radix )
|
|
{
|
|
unsigned __int64 val;
|
|
BOOL is_negative;
|
|
char buffer[65], *pos;
|
|
|
|
if (!str || !size) return EINVAL;
|
|
if (radix < 2 || radix > 36)
|
|
{
|
|
str[0] = 0;
|
|
return EINVAL;
|
|
}
|
|
|
|
if (value < 0 && radix == 10)
|
|
{
|
|
is_negative = TRUE;
|
|
val = -value;
|
|
}
|
|
else
|
|
{
|
|
is_negative = FALSE;
|
|
val = value;
|
|
}
|
|
|
|
pos = buffer + 64;
|
|
*pos = 0;
|
|
|
|
do
|
|
{
|
|
unsigned int digit = val % radix;
|
|
val /= radix;
|
|
|
|
if (digit < 10)
|
|
*--pos = '0' + digit;
|
|
else
|
|
*--pos = 'a' + digit - 10;
|
|
}
|
|
while (val != 0);
|
|
|
|
if (is_negative) *--pos = '-';
|
|
|
|
if (buffer - pos + 65 > size)
|
|
{
|
|
str[0] = 0;
|
|
return ERANGE;
|
|
}
|
|
memcpy( str, pos, buffer - pos + 65 );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ltoa_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _ltoa_s( __msvcrt_long value, char *str, size_t size, int radix )
|
|
{
|
|
if (value < 0 && radix == 10) return _i64toa_s( value, str, size, radix );
|
|
return _ui64toa_s( (__msvcrt_ulong)value, str, size, radix );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _itoa_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _itoa_s( int value, char *str, size_t size, int radix )
|
|
{
|
|
if (value < 0 && radix == 10) return _i64toa_s( value, str, size, radix );
|
|
return _ui64toa_s( (unsigned int)value, str, size, radix );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _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 atoi( const char *nptr )
|
|
{
|
|
return _atoi64( nptr );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* atol (NTDLL.@)
|
|
*/
|
|
__msvcrt_long __cdecl 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 vsscanf( const char *str, const char *format, 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 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 '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;
|
|
/* 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 *sptr = suppress ? NULL : va_arg( ap, char * );
|
|
char *sptr_beg = sptr;
|
|
unsigned size = UINT_MAX;
|
|
if (width == -1) width = 1;
|
|
while (width && nch != '\0')
|
|
{
|
|
if (!suppress)
|
|
{
|
|
*sptr++ = nch;
|
|
if(size) size--;
|
|
else
|
|
{
|
|
*sptr_beg = 0;
|
|
return rd;
|
|
}
|
|
}
|
|
st++;
|
|
width--;
|
|
nch = (consumed++, *str++);
|
|
}
|
|
}
|
|
break;
|
|
widecharacter:
|
|
{ /* read single character into a WCHAR */
|
|
WCHAR *sptr = suppress ? NULL : va_arg( ap, WCHAR * );
|
|
WCHAR *sptr_beg = sptr;
|
|
unsigned size = UINT_MAX;
|
|
if (width == -1) width = 1;
|
|
while (width && nch != '\0')
|
|
{
|
|
if (!suppress)
|
|
{
|
|
*sptr++ = nch;
|
|
if (size) size--;
|
|
else
|
|
{
|
|
*sptr_beg = 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 *sptr = suppress ? NULL : va_arg( ap, char * );
|
|
char *sptr_beg = sptr;
|
|
RTL_BITMAP bitMask;
|
|
ULONG Mask[8] = { 0 };
|
|
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
|
|
{
|
|
if (!suppress) *sptr_beg = 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 WINAPIV sscanf( const char *str, const char *format, ... )
|
|
{
|
|
int ret;
|
|
va_list valist;
|
|
va_start( valist, format );
|
|
ret = vsscanf( str, format, valist );
|
|
va_end( valist );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* _splitpath_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _splitpath_s( const char *inpath, char *drive, size_t sz_drive,
|
|
char *dir, size_t sz_dir, char *fname, size_t sz_fname,
|
|
char *ext, size_t sz_ext )
|
|
{
|
|
const char *p, *end;
|
|
|
|
if (!inpath || (!drive && sz_drive) ||
|
|
(drive && !sz_drive) ||
|
|
(!dir && sz_dir) ||
|
|
(dir && !sz_dir) ||
|
|
(!fname && sz_fname) ||
|
|
(fname && !sz_fname) ||
|
|
(!ext && sz_ext) ||
|
|
(ext && !sz_ext))
|
|
return EINVAL;
|
|
|
|
if (inpath[0] && inpath[1] == ':')
|
|
{
|
|
if (drive)
|
|
{
|
|
if (sz_drive <= 2) goto error;
|
|
drive[0] = inpath[0];
|
|
drive[1] = inpath[1];
|
|
drive[2] = 0;
|
|
}
|
|
inpath += 2;
|
|
}
|
|
else if (drive) drive[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)
|
|
{
|
|
if (sz_dir <= end - inpath) goto error;
|
|
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)
|
|
{
|
|
if (sz_fname <= end - inpath) goto error;
|
|
memcpy( fname, inpath, end - inpath );
|
|
fname[end - inpath] = 0;
|
|
}
|
|
if (ext)
|
|
{
|
|
if (sz_ext <= strlen(end)) goto error;
|
|
strcpy( ext, end );
|
|
}
|
|
return 0;
|
|
|
|
error:
|
|
if (drive) drive[0] = 0;
|
|
if (dir) dir[0] = 0;
|
|
if (fname) fname[0]= 0;
|
|
if (ext) ext[0]= 0;
|
|
return ERANGE;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _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 )
|
|
{
|
|
_splitpath_s( inpath, drv, drv ? _MAX_DRIVE : 0, dir, dir ? _MAX_DIR : 0,
|
|
fname, fname ? _MAX_FNAME : 0, ext, ext ? _MAX_EXT : 0 );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _makepath_s (NTDLL.@)
|
|
*/
|
|
errno_t __cdecl _makepath_s( char *path, size_t size, const char *drive,
|
|
const char *directory, const char *filename,
|
|
const char *extension )
|
|
{
|
|
char *p = path;
|
|
|
|
if (!path || !size) return EINVAL;
|
|
|
|
if (drive && drive[0])
|
|
{
|
|
if (size <= 2) goto range;
|
|
*p++ = drive[0];
|
|
*p++ = ':';
|
|
size -= 2;
|
|
}
|
|
|
|
if (directory && directory[0])
|
|
{
|
|
unsigned int len = strlen(directory);
|
|
unsigned int needs_separator = directory[len - 1] != '/' && directory[len - 1] != '\\';
|
|
unsigned int copylen = min(size - 1, len);
|
|
|
|
if (size < 2) goto range;
|
|
memmove(p, directory, copylen);
|
|
if (size <= len) goto range;
|
|
p += copylen;
|
|
size -= copylen;
|
|
if (needs_separator)
|
|
{
|
|
if (size < 2) goto range;
|
|
*p++ = '\\';
|
|
size -= 1;
|
|
}
|
|
}
|
|
|
|
if (filename && filename[0])
|
|
{
|
|
unsigned int len = strlen(filename);
|
|
unsigned int copylen = min(size - 1, len);
|
|
|
|
if (size < 2) goto range;
|
|
memmove(p, filename, copylen);
|
|
if (size <= len) goto range;
|
|
p += len;
|
|
size -= len;
|
|
}
|
|
|
|
if (extension && extension[0])
|
|
{
|
|
unsigned int len = strlen(extension);
|
|
unsigned int needs_period = extension[0] != '.';
|
|
unsigned int copylen;
|
|
|
|
if (size < 2) goto range;
|
|
if (needs_period)
|
|
{
|
|
*p++ = '.';
|
|
size -= 1;
|
|
}
|
|
copylen = min(size - 1, len);
|
|
memcpy(p, extension, copylen);
|
|
if (size <= len) goto range;
|
|
p += copylen;
|
|
}
|
|
|
|
*p = 0;
|
|
return 0;
|
|
|
|
range:
|
|
path[0] = 0;
|
|
return ERANGE;
|
|
}
|