2 * NTDLL string functions
4 * Copyright 2000 Alexandre Julliard
5 * Copyright 2000 Jon Griffiths
6 * Copyright 2003 Thomas Mertes
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
37 /*********************************************************************
40 void * __cdecl NTDLL_memchr( const void *ptr, int c, size_t n )
42 return memchr( ptr, c, n );
46 /*********************************************************************
49 int __cdecl NTDLL_memcmp( const void *ptr1, const void *ptr2, size_t n )
51 return memcmp( ptr1, ptr2, n );
55 /*********************************************************************
59 * Behaves like memmove.
61 void * __cdecl NTDLL_memcpy( void *dst, const void *src, size_t n )
63 return memmove( dst, src, n );
67 /*********************************************************************
70 void * __cdecl NTDLL_memmove( void *dst, const void *src, size_t n )
72 return memmove( dst, src, n );
76 /*********************************************************************
79 void * __cdecl NTDLL_memset( void *dst, int c, size_t n )
81 return memset( dst, c, n );
85 /*********************************************************************
88 void * __cdecl NTDLL_bsearch( const void *key, const void *base, size_t nmemb,
89 size_t size, int (*compar)(const void *, const void *) )
91 return bsearch( key, base, nmemb, size, compar );
95 /*********************************************************************
98 void __cdecl NTDLL_qsort( void *base, size_t nmemb, size_t size,
99 int(*compar)(const void *, const void *) )
101 qsort( base, nmemb, size, compar );
105 /*********************************************************************
108 void * __cdecl _lfind( const void *key, const void *base, unsigned int *nmemb,
109 size_t size, int(*compar)(const void *, const void *) )
112 return lfind( key, base, &n, size, compar );
116 /*********************************************************************
119 char * __cdecl NTDLL_strcat( char *dst, const char *src )
121 return strcat( dst, src );
125 /*********************************************************************
128 char * __cdecl NTDLL_strchr( const char *str, int c )
130 return strchr( str, c );
134 /*********************************************************************
137 int __cdecl NTDLL_strcmp( const char *str1, const char *str2 )
139 return strcmp( str1, str2 );
143 /*********************************************************************
146 char * __cdecl NTDLL_strcpy( char *dst, const char *src )
148 return strcpy( dst, src );
152 /*********************************************************************
155 size_t __cdecl NTDLL_strcspn( const char *str, const char *reject )
157 return strcspn( str, reject );
161 /*********************************************************************
164 size_t __cdecl NTDLL_strlen( const char *str )
166 return strlen( str );
170 /*********************************************************************
173 char * __cdecl NTDLL_strncat( char *dst, const char *src, size_t len )
175 return strncat( dst, src, len );
179 /*********************************************************************
182 int __cdecl NTDLL_strncmp( const char *str1, const char *str2, size_t len )
184 return strncmp( str1, str2, len );
188 /*********************************************************************
191 char * __cdecl NTDLL_strncpy( char *dst, const char *src, size_t len )
193 return strncpy( dst, src, len );
197 /*********************************************************************
200 char * __cdecl NTDLL_strpbrk( const char *str, const char *accept )
202 return strpbrk( str, accept );
206 /*********************************************************************
209 char * __cdecl NTDLL_strrchr( const char *str, int c )
211 return strrchr( str, c );
215 /*********************************************************************
218 size_t __cdecl NTDLL_strspn( const char *str, const char *accept )
220 return strspn( str, accept );
224 /*********************************************************************
227 char * __cdecl NTDLL_strstr( const char *haystack, const char *needle )
229 return strstr( haystack, needle );
233 /*********************************************************************
236 void * __cdecl _memccpy( void *dst, const void *src, int c, size_t n )
238 return memccpy( dst, src, c, n );
242 /*********************************************************************
245 * Compare two blocks of memory as strings, ignoring case.
248 * s1 [I] First string to compare to s2
249 * s2 [I] Second string to compare to s1
250 * len [I] Number of bytes to compare
253 * An integer less than, equal to, or greater than zero indicating that
254 * s1 is less than, equal to or greater than s2 respectively.
257 * Any Nul characters in s1 or s2 are ignored. This function always
258 * compares up to len bytes or the first place where s1 and s2 differ.
260 INT __cdecl _memicmp( LPCSTR s1, LPCSTR s2, DWORD len )
265 if ((ret = tolower(*s1) - tolower(*s2))) break;
273 /*********************************************************************
277 int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 )
279 return strcasecmp( str1, str2 );
283 /*********************************************************************
284 * _strnicmp (NTDLL.@)
286 int __cdecl _strnicmp( LPCSTR str1, LPCSTR str2, size_t n )
288 return strncasecmp( str1, str2, n );
292 /*********************************************************************
295 * Convert a string to upper case.
298 * str [I/O] String to convert
301 * str. There is no error return, if str is NULL or invalid, this
302 * function will crash.
304 LPSTR __cdecl _strupr( LPSTR str )
307 for ( ; *str; str++) *str = toupper(*str);
312 /*********************************************************************
315 * Convert a string to lowercase
318 * str [I/O] String to convert
321 * str. There is no error return, if str is NULL or invalid, this
322 * function will crash.
324 LPSTR __cdecl _strlwr( LPSTR str )
327 for ( ; *str; str++) *str = tolower(*str);
332 /*********************************************************************
335 int __cdecl NTDLL_tolower( int c )
341 /*********************************************************************
344 int __cdecl NTDLL_toupper( int c )
350 /*********************************************************************
353 int __cdecl NTDLL_isalnum( int c )
359 /*********************************************************************
362 int __cdecl NTDLL_isalpha( int c )
368 /*********************************************************************
371 int __cdecl NTDLL_iscntrl( int c )
377 /*********************************************************************
380 int __cdecl NTDLL_isdigit( int c )
386 /*********************************************************************
389 int __cdecl NTDLL_isgraph( int c )
395 /*********************************************************************
398 int __cdecl NTDLL_islower( int c )
404 /*********************************************************************
407 int __cdecl NTDLL_isprint( int c )
413 /*********************************************************************
416 int __cdecl NTDLL_ispunct( int c )
422 /*********************************************************************
425 int __cdecl NTDLL_isspace( int c )
431 /*********************************************************************
434 int __cdecl NTDLL_isupper( int c )
440 /*********************************************************************
443 int __cdecl NTDLL_isxdigit( int c )
445 return isxdigit( c );
449 /*********************************************************************
452 LONG __cdecl NTDLL_strtol( const char *nptr, char **endptr, int base )
454 return strtol( nptr, endptr, base );
458 /*********************************************************************
461 ULONG __cdecl NTDLL_strtoul( const char *nptr, char **endptr, int base )
463 return strtoul( nptr, endptr, base );
467 /*********************************************************************
470 * Convert an unsigned long integer to a string.
476 * - Converts value to a Nul terminated string which is copied to str.
477 * - The maximum length of the copied str is 33 bytes.
478 * - Does not check if radix is in the range of 2 to 36.
479 * - If str is NULL it crashes, as the native function does.
481 char * __cdecl _ultoa(
482 ULONG value, /* [I] Value to be converted */
483 char *str, /* [O] Destination for the converted value */
484 int radix) /* [I] Number base for conversion */
494 digit = value % radix;
495 value = value / radix;
497 *--pos = '0' + digit;
499 *--pos = 'a' + digit - 10;
501 } while (value != 0L);
503 memcpy(str, pos, &buffer[32] - pos + 1);
508 /*********************************************************************
511 * Convert a long integer to a string.
517 * - Converts value to a Nul terminated string which is copied to str.
518 * - The maximum length of the copied str is 33 bytes. If radix
519 * is 10 and value is negative, the value is converted with sign.
520 * - Does not check if radix is in the range of 2 to 36.
521 * - If str is NULL it crashes, as the native function does.
523 char * __cdecl _ltoa(
524 LONG value, /* [I] Value to be converted */
525 char *str, /* [O] Destination for the converted value */
526 int radix) /* [I] Number base for conversion */
534 if (value < 0 && radix == 10) {
549 *--pos = '0' + digit;
551 *--pos = 'a' + digit - 10;
559 memcpy(str, pos, &buffer[32] - pos + 1);
564 /*********************************************************************
567 * Converts an integer to a string.
573 * - Converts value to a '\0' terminated string which is copied to str.
574 * - The maximum length of the copied str is 33 bytes. If radix
575 * is 10 and value is negative, the value is converted with sign.
576 * - Does not check if radix is in the range of 2 to 36.
577 * - If str is NULL it crashes, as the native function does.
579 char * __cdecl _itoa(
580 int value, /* [I] Value to be converted */
581 char *str, /* [O] Destination for the converted value */
582 int radix) /* [I] Number base for conversion */
584 return _ltoa(value, str, radix);
588 /*********************************************************************
591 * Converts a large unsigned integer to a string.
597 * - Converts value to a '\0' terminated string which is copied to str.
598 * - The maximum length of the copied str is 65 bytes.
599 * - Does not check if radix is in the range of 2 to 36.
600 * - If str is NULL it crashes, as the native function does.
602 char * __cdecl _ui64toa(
603 ULONGLONG value, /* [I] Value to be converted */
604 char *str, /* [O] Destination for the converted value */
605 int radix) /* [I] Number base for conversion */
615 digit = value % radix;
616 value = value / radix;
618 *--pos = '0' + digit;
620 *--pos = 'a' + digit - 10;
622 } while (value != 0L);
624 memcpy(str, pos, &buffer[64] - pos + 1);
629 /*********************************************************************
632 * Converts a large integer to a string.
638 * - Converts value to a Nul terminated string which is copied to str.
639 * - The maximum length of the copied str is 65 bytes. If radix
640 * is 10 and value is negative, the value is converted with sign.
641 * - Does not check if radix is in the range of 2 to 36.
642 * - If str is NULL it crashes, as the native function does.
645 * - The native DLL converts negative values (for base 10) wrong:
646 *| -1 is converted to -18446744073709551615
647 *| -2 is converted to -18446744073709551614
648 *| -9223372036854775807 is converted to -9223372036854775809
649 *| -9223372036854775808 is converted to -9223372036854775808
650 * The native msvcrt _i64toa function and our ntdll _i64toa function
651 * do not have this bug.
653 char * __cdecl _i64toa(
654 LONGLONG value, /* [I] Value to be converted */
655 char *str, /* [O] Destination for the converted value */
656 int radix) /* [I] Number base for conversion */
664 if (value < 0 && radix == 10) {
679 *--pos = '0' + digit;
681 *--pos = 'a' + digit - 10;
689 memcpy(str, pos, &buffer[64] - pos + 1);
694 /*********************************************************************
697 * Convert a string to a large integer.
700 * str [I] String to be converted
703 * Success: The integer value represented by str.
704 * Failure: 0. Note that this cannot be distinguished from a successful
705 * return, if the string contains "0".
708 * - Accepts: {whitespace} [+|-] {digits}
709 * - No check is made for value overflow, only the lower 64 bits are assigned.
710 * - If str is NULL it crashes, as the native function does.
712 LONGLONG __cdecl _atoi64( const char *str )
714 ULONGLONG RunningTotal = 0;
717 while (*str == ' ' || (*str >= '\011' && *str <= '\015')) {
723 } else if (*str == '-') {
728 while (*str >= '0' && *str <= '9') {
729 RunningTotal = RunningTotal * 10 + *str - '0';
733 return bMinus ? -RunningTotal : RunningTotal;
737 /*********************************************************************
740 int __cdecl NTDLL_atoi( const char *nptr )
742 return _atoi64( nptr );
746 /*********************************************************************
749 LONG __cdecl NTDLL_atol( const char *nptr )
751 return _atoi64( nptr );
755 /*********************************************************************
758 int __cdecl NTDLL_sscanf( const char *str, const char *format, ... )
762 va_start( valist, format );
763 ret = vsscanf( str, format, valist );
769 /*********************************************************************
770 * _splitpath (NTDLL.@)
772 * Split a path into its component pieces.
775 * inpath [I] Path to split
776 * drv [O] Destination for drive component (e.g. "A:"). Must be at least 3 characters.
777 * dir [O] Destination for directory component. Should be at least MAX_PATH characters.
778 * fname [O] Destination for File name component. Should be at least MAX_PATH characters.
779 * ext [O] Destination for file extension component. Should be at least MAX_PATH characters.
784 void __cdecl _splitpath(const char* inpath, char * drv, char * dir,
785 char* fname, char * ext )
789 if (inpath[0] && inpath[1] == ':')
799 else if (drv) drv[0] = 0;
801 /* look for end of directory part */
803 for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
805 if (end) /* got a directory */
809 memcpy( dir, inpath, end - inpath );
810 dir[end - inpath] = 0;
814 else if (dir) dir[0] = 0;
816 /* look for extension: what's after the last dot */
818 for (p = inpath; *p; p++) if (*p == '.') end = p;
820 if (!end) end = p; /* there's no extension */
824 memcpy( fname, inpath, end - inpath );
825 fname[end - inpath] = 0;
827 if (ext) strcpy( ext, end );