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 int __cdecl NTDLL_atoi( const char *nptr )
476 /*********************************************************************
479 LONG __cdecl NTDLL_atol( const char *nptr )
485 /*********************************************************************
488 * Convert an unsigned long integer to a string.
494 * - Converts value to a Nul terminated string which is copied to str.
495 * - The maximum length of the copied str is 33 bytes.
496 * - Does not check if radix is in the range of 2 to 36.
497 * - If str is NULL it crashes, as the native function does.
499 char * __cdecl _ultoa(
500 ULONG value, /* [I] Value to be converted */
501 char *str, /* [O] Destination for the converted value */
502 int radix) /* [I] Number base for conversion */
512 digit = value % radix;
513 value = value / radix;
515 *--pos = '0' + digit;
517 *--pos = 'a' + digit - 10;
519 } while (value != 0L);
521 memcpy(str, pos, &buffer[32] - pos + 1);
526 /*********************************************************************
529 * Convert a long integer to a string.
535 * - Converts value to a Nul terminated string which is copied to str.
536 * - The maximum length of the copied str is 33 bytes. If radix
537 * is 10 and value is negative, the value is converted with sign.
538 * - Does not check if radix is in the range of 2 to 36.
539 * - If str is NULL it crashes, as the native function does.
541 char * __cdecl _ltoa(
542 LONG value, /* [I] Value to be converted */
543 char *str, /* [O] Destination for the converted value */
544 int radix) /* [I] Number base for conversion */
552 if (value < 0 && radix == 10) {
567 *--pos = '0' + digit;
569 *--pos = 'a' + digit - 10;
577 memcpy(str, pos, &buffer[32] - pos + 1);
582 /*********************************************************************
585 * Converts an integer to a string.
591 * - Converts value to a '\0' terminated string which is copied to str.
592 * - The maximum length of the copied str is 33 bytes. If radix
593 * is 10 and value is negative, the value is converted with sign.
594 * - Does not check if radix is in the range of 2 to 36.
595 * - If str is NULL it crashes, as the native function does.
597 char * __cdecl _itoa(
598 int value, /* [I] Value to be converted */
599 char *str, /* [O] Destination for the converted value */
600 int radix) /* [I] Number base for conversion */
602 return _ltoa(value, str, radix);
606 /*********************************************************************
609 * Converts a large unsigned integer to a string.
615 * - Converts value to a '\0' terminated string which is copied to str.
616 * - The maximum length of the copied str is 65 bytes.
617 * - Does not check if radix is in the range of 2 to 36.
618 * - If str is NULL it crashes, as the native function does.
620 char * __cdecl _ui64toa(
621 ULONGLONG value, /* [I] Value to be converted */
622 char *str, /* [O] Destination for the converted value */
623 int radix) /* [I] Number base for conversion */
633 digit = value % radix;
634 value = value / radix;
636 *--pos = '0' + digit;
638 *--pos = 'a' + digit - 10;
640 } while (value != 0L);
642 memcpy(str, pos, &buffer[64] - pos + 1);
647 /*********************************************************************
650 * Converts a large integer to a string.
656 * - Converts value to a Nul terminated string which is copied to str.
657 * - The maximum length of the copied str is 65 bytes. If radix
658 * is 10 and value is negative, the value is converted with sign.
659 * - Does not check if radix is in the range of 2 to 36.
660 * - If str is NULL it crashes, as the native function does.
663 * - The native DLL converts negative values (for base 10) wrong:
664 *| -1 is converted to -18446744073709551615
665 *| -2 is converted to -18446744073709551614
666 *| -9223372036854775807 is converted to -9223372036854775809
667 *| -9223372036854775808 is converted to -9223372036854775808
668 * The native msvcrt _i64toa function and our ntdll _i64toa function
669 * do not have this bug.
671 char * __cdecl _i64toa(
672 LONGLONG value, /* [I] Value to be converted */
673 char *str, /* [O] Destination for the converted value */
674 int radix) /* [I] Number base for conversion */
682 if (value < 0 && radix == 10) {
697 *--pos = '0' + digit;
699 *--pos = 'a' + digit - 10;
707 memcpy(str, pos, &buffer[64] - pos + 1);
712 /*********************************************************************
715 * Convert a string to a large integer.
718 * str [I] String to be converted
721 * Success: The integer value represented by str.
722 * Failure: 0. Note that this cannot be distinguished from a successful
723 * return, if the string contains "0".
726 * - Accepts: {whitespace} [+|-] {digits}
727 * - No check is made for value overflow, only the lower 64 bits are assigned.
728 * - If str is NULL it crashes, as the native function does.
730 LONGLONG __cdecl _atoi64( char *str )
732 ULONGLONG RunningTotal = 0;
735 while (*str == ' ' || (*str >= '\011' && *str <= '\015')) {
741 } else if (*str == '-') {
746 while (*str >= '0' && *str <= '9') {
747 RunningTotal = RunningTotal * 10 + *str - '0';
751 return bMinus ? -RunningTotal : RunningTotal;
755 /*********************************************************************
758 int __cdecl NTDLL_sprintf( char *str, const char *format, ... )
762 va_start( valist, format );
763 ret = vsprintf( str, format, valist );
769 /*********************************************************************
772 int __cdecl NTDLL_vsprintf( char *str, const char *format, va_list args )
774 return vsprintf( str, format, args );
778 /*********************************************************************
779 * _snprintf (NTDLL.@)
781 int __cdecl _snprintf( char *str, size_t len, const char *format, ... )
785 va_start( valist, format );
786 ret = vsnprintf( str, len, format, valist );
792 /*********************************************************************
793 * _vsnprintf (NTDLL.@)
795 int __cdecl _vsnprintf( char *str, size_t len, const char *format, va_list args )
797 return vsnprintf( str, len, format, args );
801 /*********************************************************************
804 int __cdecl NTDLL_sscanf( const char *str, const char *format, ... )
808 va_start( valist, format );
809 ret = vsscanf( str, format, valist );
815 /*********************************************************************
816 * _splitpath (NTDLL.@)
818 * Split a path into its component pieces.
821 * inpath [I] Path to split
822 * drv [O] Destination for drive component (e.g. "A:"). Must be at least 3 characters.
823 * dir [O] Destination for directory component. Should be at least MAX_PATH characters.
824 * fname [O] Destination for File name component. Should be at least MAX_PATH characters.
825 * ext [O] Destination for file extension component. Should be at least MAX_PATH characters.
830 void __cdecl _splitpath(const char* inpath, char * drv, char * dir,
831 char* fname, char * ext )
835 if (inpath[0] && inpath[1] == ':')
845 else if (drv) drv[0] = 0;
847 /* look for end of directory part */
849 for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
851 if (end) /* got a directory */
855 memcpy( dir, inpath, end - inpath );
856 dir[end - inpath] = 0;
860 else if (dir) dir[0] = 0;
862 /* look for extension: what's after the last dot */
864 for (p = inpath; *p; p++) if (*p == '.') end = p;
866 if (!end) end = p; /* there's no extension */
870 memcpy( fname, inpath, end - inpath );
871 fname[end - inpath] = 0;
873 if (ext) strcpy( ext, end );