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 char * __cdecl NTDLL_strcat( char *dst, const char *src )
90 return strcat( dst, src );
94 /*********************************************************************
97 char * __cdecl NTDLL_strchr( const char *str, int c )
99 return strchr( str, c );
103 /*********************************************************************
106 int __cdecl NTDLL_strcmp( const char *str1, const char *str2 )
108 return strcmp( str1, str2 );
112 /*********************************************************************
115 char * __cdecl NTDLL_strcpy( char *dst, const char *src )
117 return strcpy( dst, src );
121 /*********************************************************************
124 size_t __cdecl NTDLL_strcspn( const char *str, const char *reject )
126 return strcspn( str, reject );
130 /*********************************************************************
133 size_t __cdecl NTDLL_strlen( const char *str )
135 return strlen( str );
139 /*********************************************************************
142 char * __cdecl NTDLL_strncat( char *dst, const char *src, size_t len )
144 return strncat( dst, src, len );
148 /*********************************************************************
151 int __cdecl NTDLL_strncmp( const char *str1, const char *str2, size_t len )
153 return strncmp( str1, str2, len );
157 /*********************************************************************
160 char * __cdecl NTDLL_strncpy( char *dst, const char *src, size_t len )
162 return strncpy( dst, src, len );
166 /*********************************************************************
169 char * __cdecl NTDLL_strpbrk( const char *str, const char *accept )
171 return strpbrk( str, accept );
175 /*********************************************************************
178 char * __cdecl NTDLL_strrchr( const char *str, int c )
180 return strrchr( str, c );
184 /*********************************************************************
187 size_t __cdecl NTDLL_strspn( const char *str, const char *accept )
189 return strspn( str, accept );
193 /*********************************************************************
196 char * __cdecl NTDLL_strstr( const char *haystack, const char *needle )
198 return strstr( haystack, needle );
202 /*********************************************************************
205 void * __cdecl _memccpy( void *dst, const void *src, int c, size_t n )
207 return memccpy( dst, src, c, n );
211 /*********************************************************************
214 * Compare two blocks of memory as strings, ignoring case.
217 * s1 [I] First string to compare to s2
218 * s2 [I] Second string to compare to s1
219 * len [I] Number of bytes to compare
222 * An integer less than, equal to, or greater than zero indicating that
223 * s1 is less than, equal to or greater than s2 respectively.
226 * Any Nul characters in s1 or s2 are ignored. This function always
227 * compares up to len bytes or the first place where s1 and s2 differ.
229 INT __cdecl _memicmp( LPCSTR s1, LPCSTR s2, DWORD len )
234 if ((ret = tolower(*s1) - tolower(*s2))) break;
242 /*********************************************************************
246 int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 )
248 return strcasecmp( str1, str2 );
252 /*********************************************************************
253 * _strnicmp (NTDLL.@)
255 int __cdecl _strnicmp( LPCSTR str1, LPCSTR str2, size_t n )
257 return strncasecmp( str1, str2, n );
261 /*********************************************************************
264 * Convert a string to upper case.
267 * str [I/O] String to convert
270 * str. There is no error return, if str is NULL or invalid, this
271 * function will crash.
273 LPSTR __cdecl _strupr( LPSTR str )
276 for ( ; *str; str++) *str = toupper(*str);
281 /*********************************************************************
284 * Convert a string to lowercase
287 * str [I/O] String to convert
290 * str. There is no error return, if str is NULL or invalid, this
291 * function will crash.
293 LPSTR __cdecl _strlwr( LPSTR str )
296 for ( ; *str; str++) *str = tolower(*str);
301 /*********************************************************************
304 int __cdecl NTDLL_tolower( int c )
310 /*********************************************************************
313 int __cdecl NTDLL_toupper( int c )
319 /*********************************************************************
322 int __cdecl NTDLL_isalnum( int c )
328 /*********************************************************************
331 int __cdecl NTDLL_isalpha( int c )
337 /*********************************************************************
340 int __cdecl NTDLL_iscntrl( int c )
346 /*********************************************************************
349 int __cdecl NTDLL_isdigit( int c )
355 /*********************************************************************
358 int __cdecl NTDLL_isgraph( int c )
364 /*********************************************************************
367 int __cdecl NTDLL_islower( int c )
373 /*********************************************************************
376 int __cdecl NTDLL_isprint( int c )
382 /*********************************************************************
385 int __cdecl NTDLL_ispunct( int c )
391 /*********************************************************************
394 int __cdecl NTDLL_isspace( int c )
400 /*********************************************************************
403 int __cdecl NTDLL_isupper( int c )
409 /*********************************************************************
412 int __cdecl NTDLL_isxdigit( int c )
414 return isxdigit( c );
418 /*********************************************************************
421 LONG __cdecl NTDLL_strtol( const char *nptr, char **endptr, int base )
423 return strtol( nptr, endptr, base );
427 /*********************************************************************
430 ULONG __cdecl NTDLL_strtoul( const char *nptr, char **endptr, int base )
432 return strtoul( nptr, endptr, base );
436 /*********************************************************************
439 * Convert an unsigned long integer to a string.
445 * - Converts value to a Nul terminated string which is copied to str.
446 * - The maximum length of the copied str is 33 bytes.
447 * - Does not check if radix is in the range of 2 to 36.
448 * - If str is NULL it crashes, as the native function does.
450 char * __cdecl _ultoa(
451 ULONG value, /* [I] Value to be converted */
452 char *str, /* [O] Destination for the converted value */
453 int radix) /* [I] Number base for conversion */
463 digit = value % radix;
464 value = value / radix;
466 *--pos = '0' + digit;
468 *--pos = 'a' + digit - 10;
470 } while (value != 0L);
472 memcpy(str, pos, &buffer[32] - pos + 1);
477 /*********************************************************************
480 * Convert a long integer to a string.
486 * - Converts value to a Nul terminated string which is copied to str.
487 * - The maximum length of the copied str is 33 bytes. If radix
488 * is 10 and value is negative, the value is converted with sign.
489 * - Does not check if radix is in the range of 2 to 36.
490 * - If str is NULL it crashes, as the native function does.
492 char * __cdecl _ltoa(
493 LONG value, /* [I] Value to be converted */
494 char *str, /* [O] Destination for the converted value */
495 int radix) /* [I] Number base for conversion */
503 if (value < 0 && radix == 10) {
518 *--pos = '0' + digit;
520 *--pos = 'a' + digit - 10;
528 memcpy(str, pos, &buffer[32] - pos + 1);
533 /*********************************************************************
536 * Converts an integer to a string.
542 * - Converts value to a '\0' terminated string which is copied to str.
543 * - The maximum length of the copied str is 33 bytes. If radix
544 * is 10 and value is negative, the value is converted with sign.
545 * - Does not check if radix is in the range of 2 to 36.
546 * - If str is NULL it crashes, as the native function does.
548 char * __cdecl _itoa(
549 int value, /* [I] Value to be converted */
550 char *str, /* [O] Destination for the converted value */
551 int radix) /* [I] Number base for conversion */
553 return _ltoa(value, str, radix);
557 /*********************************************************************
560 * Converts a large unsigned integer to a string.
566 * - Converts value to a '\0' terminated string which is copied to str.
567 * - The maximum length of the copied str is 65 bytes.
568 * - Does not check if radix is in the range of 2 to 36.
569 * - If str is NULL it crashes, as the native function does.
571 char * __cdecl _ui64toa(
572 ULONGLONG value, /* [I] Value to be converted */
573 char *str, /* [O] Destination for the converted value */
574 int radix) /* [I] Number base for conversion */
584 digit = value % radix;
585 value = value / radix;
587 *--pos = '0' + digit;
589 *--pos = 'a' + digit - 10;
591 } while (value != 0L);
593 memcpy(str, pos, &buffer[64] - pos + 1);
598 /*********************************************************************
601 * Converts a large integer to a string.
607 * - Converts value to a Nul terminated string which is copied to str.
608 * - The maximum length of the copied str is 65 bytes. If radix
609 * is 10 and value is negative, the value is converted with sign.
610 * - Does not check if radix is in the range of 2 to 36.
611 * - If str is NULL it crashes, as the native function does.
614 * - The native DLL converts negative values (for base 10) wrong:
615 *| -1 is converted to -18446744073709551615
616 *| -2 is converted to -18446744073709551614
617 *| -9223372036854775807 is converted to -9223372036854775809
618 *| -9223372036854775808 is converted to -9223372036854775808
619 * The native msvcrt _i64toa function and our ntdll _i64toa function
620 * do not have this bug.
622 char * __cdecl _i64toa(
623 LONGLONG value, /* [I] Value to be converted */
624 char *str, /* [O] Destination for the converted value */
625 int radix) /* [I] Number base for conversion */
633 if (value < 0 && radix == 10) {
648 *--pos = '0' + digit;
650 *--pos = 'a' + digit - 10;
658 memcpy(str, pos, &buffer[64] - pos + 1);
663 /*********************************************************************
666 * Convert a string to a large integer.
669 * str [I] String to be converted
672 * Success: The integer value represented by str.
673 * Failure: 0. Note that this cannot be distinguished from a successful
674 * return, if the string contains "0".
677 * - Accepts: {whitespace} [+|-] {digits}
678 * - No check is made for value overflow, only the lower 64 bits are assigned.
679 * - If str is NULL it crashes, as the native function does.
681 LONGLONG __cdecl _atoi64( const char *str )
683 ULONGLONG RunningTotal = 0;
686 while (*str == ' ' || (*str >= '\011' && *str <= '\015')) {
692 } else if (*str == '-') {
697 while (*str >= '0' && *str <= '9') {
698 RunningTotal = RunningTotal * 10 + *str - '0';
702 return bMinus ? -RunningTotal : RunningTotal;
706 /*********************************************************************
709 int __cdecl NTDLL_atoi( const char *nptr )
711 return _atoi64( nptr );
715 /*********************************************************************
718 LONG __cdecl NTDLL_atol( const char *nptr )
720 return _atoi64( nptr );
724 /*********************************************************************
727 int __cdecl NTDLL_sscanf( const char *str, const char *format, ... )
731 va_start( valist, format );
732 ret = vsscanf( str, format, valist );
738 /*********************************************************************
739 * _splitpath (NTDLL.@)
741 * Split a path into its component pieces.
744 * inpath [I] Path to split
745 * drv [O] Destination for drive component (e.g. "A:"). Must be at least 3 characters.
746 * dir [O] Destination for directory component. Should be at least MAX_PATH characters.
747 * fname [O] Destination for File name component. Should be at least MAX_PATH characters.
748 * ext [O] Destination for file extension component. Should be at least MAX_PATH characters.
753 void __cdecl _splitpath(const char* inpath, char * drv, char * dir,
754 char* fname, char * ext )
758 if (inpath[0] && inpath[1] == ':')
768 else if (drv) drv[0] = 0;
770 /* look for end of directory part */
772 for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
774 if (end) /* got a directory */
778 memcpy( dir, inpath, end - inpath );
779 dir[end - inpath] = 0;
783 else if (dir) dir[0] = 0;
785 /* look for extension: what's after the last dot */
787 for (p = inpath; *p; p++) if (*p == '.') end = p;
789 if (!end) end = p; /* there's no extension */
793 memcpy( fname, inpath, end - inpath );
794 fname[end - inpath] = 0;
796 if (ext) strcpy( ext, end );