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"
36 /*********************************************************************
39 void * __cdecl NTDLL_memchr( const void *ptr, int c, size_t n )
41 return memchr( ptr, c, n );
45 /*********************************************************************
48 int __cdecl NTDLL_memcmp( const void *ptr1, const void *ptr2, size_t n )
50 return memcmp( ptr1, ptr2, n );
54 /*********************************************************************
58 * Behaves like memmove.
60 void * __cdecl NTDLL_memcpy( void *dst, const void *src, size_t n )
62 return memmove( dst, src, n );
66 /*********************************************************************
69 void * __cdecl NTDLL_memmove( void *dst, const void *src, size_t n )
71 return memmove( dst, src, n );
75 /*********************************************************************
78 void * __cdecl NTDLL_memset( void *dst, int c, size_t n )
80 return memset( dst, c, n );
84 /*********************************************************************
87 char * __cdecl NTDLL_strcat( char *dst, const char *src )
89 return strcat( dst, src );
93 /*********************************************************************
96 char * __cdecl NTDLL_strchr( const char *str, int c )
98 return strchr( str, c );
102 /*********************************************************************
105 int __cdecl NTDLL_strcmp( const char *str1, const char *str2 )
107 return strcmp( str1, str2 );
111 /*********************************************************************
114 char * __cdecl NTDLL_strcpy( char *dst, const char *src )
116 return strcpy( dst, src );
120 /*********************************************************************
123 size_t __cdecl NTDLL_strcspn( const char *str, const char *reject )
125 return strcspn( str, reject );
129 /*********************************************************************
132 size_t __cdecl NTDLL_strlen( const char *str )
134 return strlen( str );
138 /*********************************************************************
141 char * __cdecl NTDLL_strncat( char *dst, const char *src, size_t len )
143 return strncat( dst, src, len );
147 /*********************************************************************
150 int __cdecl NTDLL_strncmp( const char *str1, const char *str2, size_t len )
152 return strncmp( str1, str2, len );
156 /*********************************************************************
159 char * __cdecl NTDLL_strncpy( char *dst, const char *src, size_t len )
161 return strncpy( dst, src, len );
165 /*********************************************************************
168 char * __cdecl NTDLL_strpbrk( const char *str, const char *accept )
170 return strpbrk( str, accept );
174 /*********************************************************************
177 char * __cdecl NTDLL_strrchr( const char *str, int c )
179 return strrchr( str, c );
183 /*********************************************************************
186 size_t __cdecl NTDLL_strspn( const char *str, const char *accept )
188 return strspn( str, accept );
192 /*********************************************************************
195 char * __cdecl NTDLL_strstr( const char *haystack, const char *needle )
197 return strstr( haystack, needle );
201 /*********************************************************************
204 void * __cdecl _memccpy( void *dst, const void *src, int c, size_t n )
206 return memccpy( dst, src, c, n );
210 /*********************************************************************
213 * Compare two blocks of memory as strings, ignoring case.
216 * s1 [I] First string to compare to s2
217 * s2 [I] Second string to compare to s1
218 * len [I] Number of bytes to compare
221 * An integer less than, equal to, or greater than zero indicating that
222 * s1 is less than, equal to or greater than s2 respectively.
225 * Any Nul characters in s1 or s2 are ignored. This function always
226 * compares up to len bytes or the first place where s1 and s2 differ.
228 INT __cdecl _memicmp( LPCSTR s1, LPCSTR s2, DWORD len )
233 if ((ret = tolower(*s1) - tolower(*s2))) break;
241 /*********************************************************************
245 int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 )
247 return strcasecmp( str1, str2 );
251 /*********************************************************************
252 * _strnicmp (NTDLL.@)
254 int __cdecl _strnicmp( LPCSTR str1, LPCSTR str2, size_t n )
256 return strncasecmp( str1, str2, n );
260 /*********************************************************************
263 * Convert a string to upper case.
266 * str [I/O] String to convert
269 * str. There is no error return, if str is NULL or invalid, this
270 * function will crash.
272 LPSTR __cdecl _strupr( LPSTR str )
275 for ( ; *str; str++) *str = toupper(*str);
280 /*********************************************************************
283 * Convert a string to lowercase
286 * str [I/O] String to convert
289 * str. There is no error return, if str is NULL or invalid, this
290 * function will crash.
292 LPSTR __cdecl _strlwr( LPSTR str )
295 for ( ; *str; str++) *str = tolower(*str);
300 /*********************************************************************
303 int __cdecl NTDLL_tolower( int c )
309 /*********************************************************************
312 int __cdecl NTDLL_toupper( int c )
318 /*********************************************************************
321 int __cdecl NTDLL_isalnum( int c )
327 /*********************************************************************
330 int __cdecl NTDLL_isalpha( int c )
336 /*********************************************************************
339 int __cdecl NTDLL_iscntrl( int c )
345 /*********************************************************************
348 int __cdecl NTDLL_isdigit( int c )
354 /*********************************************************************
357 int __cdecl NTDLL_isgraph( int c )
363 /*********************************************************************
366 int __cdecl NTDLL_islower( int c )
372 /*********************************************************************
375 int __cdecl NTDLL_isprint( int c )
381 /*********************************************************************
384 int __cdecl NTDLL_ispunct( int c )
390 /*********************************************************************
393 int __cdecl NTDLL_isspace( int c )
399 /*********************************************************************
402 int __cdecl NTDLL_isupper( int c )
408 /*********************************************************************
411 int __cdecl NTDLL_isxdigit( int c )
413 return isxdigit( c );
417 /*********************************************************************
420 LONG __cdecl NTDLL_strtol( const char *nptr, char **endptr, int base )
422 return strtol( nptr, endptr, base );
426 /*********************************************************************
429 ULONG __cdecl NTDLL_strtoul( const char *nptr, char **endptr, int base )
431 return strtoul( nptr, endptr, base );
435 /*********************************************************************
438 * Convert an unsigned long integer to a string.
444 * - Converts value to a Nul terminated string which is copied to str.
445 * - The maximum length of the copied str is 33 bytes.
446 * - Does not check if radix is in the range of 2 to 36.
447 * - If str is NULL it crashes, as the native function does.
449 char * __cdecl _ultoa(
450 ULONG value, /* [I] Value to be converted */
451 char *str, /* [O] Destination for the converted value */
452 int radix) /* [I] Number base for conversion */
462 digit = value % radix;
463 value = value / radix;
465 *--pos = '0' + digit;
467 *--pos = 'a' + digit - 10;
469 } while (value != 0L);
471 memcpy(str, pos, &buffer[32] - pos + 1);
476 /*********************************************************************
479 * Convert a long integer to a string.
485 * - Converts value to a Nul terminated string which is copied to str.
486 * - The maximum length of the copied str is 33 bytes. If radix
487 * is 10 and value is negative, the value is converted with sign.
488 * - Does not check if radix is in the range of 2 to 36.
489 * - If str is NULL it crashes, as the native function does.
491 char * __cdecl _ltoa(
492 LONG value, /* [I] Value to be converted */
493 char *str, /* [O] Destination for the converted value */
494 int radix) /* [I] Number base for conversion */
502 if (value < 0 && radix == 10) {
517 *--pos = '0' + digit;
519 *--pos = 'a' + digit - 10;
527 memcpy(str, pos, &buffer[32] - pos + 1);
532 /*********************************************************************
535 * Converts an integer to a string.
541 * - Converts value to a '\0' terminated string which is copied to str.
542 * - The maximum length of the copied str is 33 bytes. If radix
543 * is 10 and value is negative, the value is converted with sign.
544 * - Does not check if radix is in the range of 2 to 36.
545 * - If str is NULL it crashes, as the native function does.
547 char * __cdecl _itoa(
548 int value, /* [I] Value to be converted */
549 char *str, /* [O] Destination for the converted value */
550 int radix) /* [I] Number base for conversion */
552 return _ltoa(value, str, radix);
556 /*********************************************************************
559 * Converts a large unsigned integer to a string.
565 * - Converts value to a '\0' terminated string which is copied to str.
566 * - The maximum length of the copied str is 65 bytes.
567 * - Does not check if radix is in the range of 2 to 36.
568 * - If str is NULL it crashes, as the native function does.
570 char * __cdecl _ui64toa(
571 ULONGLONG value, /* [I] Value to be converted */
572 char *str, /* [O] Destination for the converted value */
573 int radix) /* [I] Number base for conversion */
583 digit = value % radix;
584 value = value / radix;
586 *--pos = '0' + digit;
588 *--pos = 'a' + digit - 10;
590 } while (value != 0L);
592 memcpy(str, pos, &buffer[64] - pos + 1);
597 /*********************************************************************
600 * Converts a large integer to a string.
606 * - Converts value to a Nul terminated string which is copied to str.
607 * - The maximum length of the copied str is 65 bytes. If radix
608 * is 10 and value is negative, the value is converted with sign.
609 * - Does not check if radix is in the range of 2 to 36.
610 * - If str is NULL it crashes, as the native function does.
613 * - The native DLL converts negative values (for base 10) wrong:
614 *| -1 is converted to -18446744073709551615
615 *| -2 is converted to -18446744073709551614
616 *| -9223372036854775807 is converted to -9223372036854775809
617 *| -9223372036854775808 is converted to -9223372036854775808
618 * The native msvcrt _i64toa function and our ntdll _i64toa function
619 * do not have this bug.
621 char * __cdecl _i64toa(
622 LONGLONG value, /* [I] Value to be converted */
623 char *str, /* [O] Destination for the converted value */
624 int radix) /* [I] Number base for conversion */
632 if (value < 0 && radix == 10) {
647 *--pos = '0' + digit;
649 *--pos = 'a' + digit - 10;
657 memcpy(str, pos, &buffer[64] - pos + 1);
662 /*********************************************************************
665 * Convert a string to a large integer.
668 * str [I] String to be converted
671 * Success: The integer value represented by str.
672 * Failure: 0. Note that this cannot be distinguished from a successful
673 * return, if the string contains "0".
676 * - Accepts: {whitespace} [+|-] {digits}
677 * - No check is made for value overflow, only the lower 64 bits are assigned.
678 * - If str is NULL it crashes, as the native function does.
680 LONGLONG __cdecl _atoi64( const char *str )
682 ULONGLONG RunningTotal = 0;
685 while (*str == ' ' || (*str >= '\011' && *str <= '\015')) {
691 } else if (*str == '-') {
696 while (*str >= '0' && *str <= '9') {
697 RunningTotal = RunningTotal * 10 + *str - '0';
701 return bMinus ? -RunningTotal : RunningTotal;
705 /*********************************************************************
708 int __cdecl NTDLL_atoi( const char *nptr )
710 return _atoi64( nptr );
714 /*********************************************************************
717 LONG __cdecl NTDLL_atol( const char *nptr )
719 return _atoi64( nptr );
723 /*********************************************************************
726 int __cdecl NTDLL_sscanf( const char *str, const char *format, ... )
730 va_start( valist, format );
731 ret = vsscanf( str, format, valist );
737 /*********************************************************************
738 * _splitpath (NTDLL.@)
740 * Split a path into its component pieces.
743 * inpath [I] Path to split
744 * drv [O] Destination for drive component (e.g. "A:"). Must be at least 3 characters.
745 * dir [O] Destination for directory component. Should be at least MAX_PATH characters.
746 * fname [O] Destination for File name component. Should be at least MAX_PATH characters.
747 * ext [O] Destination for file extension component. Should be at least MAX_PATH characters.
752 void __cdecl _splitpath(const char* inpath, char * drv, char * dir,
753 char* fname, char * ext )
757 if (inpath[0] && inpath[1] == ':')
767 else if (drv) drv[0] = 0;
769 /* look for end of directory part */
771 for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
773 if (end) /* got a directory */
777 memcpy( dir, inpath, end - inpath );
778 dir[end - inpath] = 0;
782 else if (dir) dir[0] = 0;
784 /* look for extension: what's after the last dot */
786 for (p = inpath; *p; p++) if (*p == '.') end = p;
788 if (!end) end = p; /* there's no extension */
792 memcpy( fname, inpath, end - inpath );
793 fname[end - inpath] = 0;
795 if (ext) strcpy( ext, end );