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wine/dlls/ntdll/string.c

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/*
* NTDLL string functions
*
* Copyright 2000 Alexandre Julliard
* Copyright 2000 Jon Griffiths
* Copyright 2003 Thomas Mertes
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <search.h>
#include "windef.h"
#include "winternl.h"
/*********************************************************************
* memchr (NTDLL.@)
*/
void * __cdecl NTDLL_memchr( const void *ptr, int c, size_t n )
{
return memchr( ptr, c, n );
}
/*********************************************************************
* memcmp (NTDLL.@)
*/
int __cdecl NTDLL_memcmp( const void *ptr1, const void *ptr2, size_t n )
{
return memcmp( ptr1, ptr2, n );
}
/*********************************************************************
* memcpy (NTDLL.@)
*
* NOTES
* Behaves like memmove.
*/
void * __cdecl NTDLL_memcpy( void *dst, const void *src, size_t n )
{
return memmove( dst, src, n );
}
/*********************************************************************
* memmove (NTDLL.@)
*/
void * __cdecl NTDLL_memmove( void *dst, const void *src, size_t n )
{
return memmove( dst, src, n );
}
/*********************************************************************
* memset (NTDLL.@)
*/
void * __cdecl NTDLL_memset( void *dst, int c, size_t n )
{
return memset( dst, c, n );
}
/*********************************************************************
* strcat (NTDLL.@)
*/
char * __cdecl NTDLL_strcat( char *dst, const char *src )
{
return strcat( dst, src );
}
/*********************************************************************
* strchr (NTDLL.@)
*/
char * __cdecl NTDLL_strchr( const char *str, int c )
{
return strchr( str, c );
}
/*********************************************************************
* strcmp (NTDLL.@)
*/
int __cdecl NTDLL_strcmp( const char *str1, const char *str2 )
{
return strcmp( str1, str2 );
}
/*********************************************************************
* strcpy (NTDLL.@)
*/
char * __cdecl NTDLL_strcpy( char *dst, const char *src )
{
return strcpy( dst, src );
}
/*********************************************************************
* strcspn (NTDLL.@)
*/
size_t __cdecl NTDLL_strcspn( const char *str, const char *reject )
{
return strcspn( str, reject );
}
/*********************************************************************
* strlen (NTDLL.@)
*/
size_t __cdecl NTDLL_strlen( const char *str )
{
return strlen( str );
}
/*********************************************************************
* strncat (NTDLL.@)
*/
char * __cdecl NTDLL_strncat( char *dst, const char *src, size_t len )
{
return strncat( dst, src, len );
}
/*********************************************************************
* strncmp (NTDLL.@)
*/
int __cdecl NTDLL_strncmp( const char *str1, const char *str2, size_t len )
{
return strncmp( str1, str2, len );
}
/*********************************************************************
* strncpy (NTDLL.@)
*/
char * __cdecl NTDLL_strncpy( char *dst, const char *src, size_t len )
{
return strncpy( dst, src, len );
}
/*********************************************************************
* strpbrk (NTDLL.@)
*/
char * __cdecl NTDLL_strpbrk( const char *str, const char *accept )
{
return strpbrk( str, accept );
}
/*********************************************************************
* strrchr (NTDLL.@)
*/
char * __cdecl NTDLL_strrchr( const char *str, int c )
{
return strrchr( str, c );
}
/*********************************************************************
* strspn (NTDLL.@)
*/
size_t __cdecl NTDLL_strspn( const char *str, const char *accept )
{
return strspn( str, accept );
}
/*********************************************************************
* strstr (NTDLL.@)
*/
char * __cdecl NTDLL_strstr( const char *haystack, const char *needle )
{
return strstr( haystack, needle );
}
/*********************************************************************
* _memccpy (NTDLL.@)
*/
void * __cdecl _memccpy( void *dst, const void *src, int c, size_t n )
{
return memccpy( dst, src, c, n );
}
/*********************************************************************
* _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( LPCSTR s1, LPCSTR s2, DWORD len )
{
int ret = 0;
while (len--)
{
if ((ret = tolower(*s1) - tolower(*s2))) break;
s1++;
s2++;
}
return ret;
}
/*********************************************************************
* _stricmp (NTDLL.@)
* _strcmpi (NTDLL.@)
*/
int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 )
{
return strcasecmp( str1, str2 );
}
/*********************************************************************
* _strnicmp (NTDLL.@)
*/
int __cdecl _strnicmp( LPCSTR str1, LPCSTR str2, size_t n )
{
return strncasecmp( str1, str2, n );
}
/*********************************************************************
* _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++) *str = toupper(*str);
return ret;
}
/*********************************************************************
* _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++) *str = tolower(*str);
return ret;
}
/*********************************************************************
* tolower (NTDLL.@)
*/
int __cdecl NTDLL_tolower( int c )
{
return tolower( c );
}
/*********************************************************************
* toupper (NTDLL.@)
*/
int __cdecl NTDLL_toupper( int c )
{
return toupper( c );
}
/*********************************************************************
* isalnum (NTDLL.@)
*/
int __cdecl NTDLL_isalnum( int c )
{
return isalnum( c );
}
/*********************************************************************
* isalpha (NTDLL.@)
*/
int __cdecl NTDLL_isalpha( int c )
{
return isalpha( c );
}
/*********************************************************************
* iscntrl (NTDLL.@)
*/
int __cdecl NTDLL_iscntrl( int c )
{
return iscntrl( c );
}
/*********************************************************************
* isdigit (NTDLL.@)
*/
int __cdecl NTDLL_isdigit( int c )
{
return isdigit( c );
}
/*********************************************************************
* isgraph (NTDLL.@)
*/
int __cdecl NTDLL_isgraph( int c )
{
return isgraph( c );
}
/*********************************************************************
* islower (NTDLL.@)
*/
int __cdecl NTDLL_islower( int c )
{
return islower( c );
}
/*********************************************************************
* isprint (NTDLL.@)
*/
int __cdecl NTDLL_isprint( int c )
{
return isprint( c );
}
/*********************************************************************
* ispunct (NTDLL.@)
*/
int __cdecl NTDLL_ispunct( int c )
{
return ispunct( c );
}
/*********************************************************************
* isspace (NTDLL.@)
*/
int __cdecl NTDLL_isspace( int c )
{
return isspace( c );
}
/*********************************************************************
* isupper (NTDLL.@)
*/
int __cdecl NTDLL_isupper( int c )
{
return isupper( c );
}
/*********************************************************************
* isxdigit (NTDLL.@)
*/
int __cdecl NTDLL_isxdigit( int c )
{
return isxdigit( c );
}
/*********************************************************************
* strtol (NTDLL.@)
*/
LONG __cdecl NTDLL_strtol( const char *nptr, char **endptr, int base )
{
return strtol( nptr, endptr, base );
}
/*********************************************************************
* strtoul (NTDLL.@)
*/
ULONG __cdecl NTDLL_strtoul( const char *nptr, char **endptr, int base )
{
return strtoul( nptr, endptr, base );
}
/*********************************************************************
* _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(
ULONG value, /* [I] Value to be converted */
char *str, /* [O] Destination for the converted value */
int radix) /* [I] Number base for conversion */
{
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(
LONG value, /* [I] Value to be converted */
char *str, /* [O] Destination for the converted value */
int radix) /* [I] Number base for conversion */
{
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;
}
/*********************************************************************
* _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;
char bMinus = 0;
while (*str == ' ' || (*str >= '\011' && *str <= '\015')) {
str++;
} /* while */
if (*str == '+') {
str++;
} else if (*str == '-') {
bMinus = 1;
str++;
} /* if */
while (*str >= '0' && *str <= '9') {
RunningTotal = RunningTotal * 10 + *str - '0';
str++;
} /* while */
return bMinus ? -RunningTotal : RunningTotal;
}
/*********************************************************************
* atoi (NTDLL.@)
*/
int __cdecl NTDLL_atoi( const char *nptr )
{
return _atoi64( nptr );
}
/*********************************************************************
* atol (NTDLL.@)
*/
LONG __cdecl NTDLL_atol( const char *nptr )
{
return _atoi64( nptr );
}
/*********************************************************************
* sscanf (NTDLL.@)
*/
int __cdecl NTDLL_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 (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 )
{
const char *p, *end;
if (inpath[0] && inpath[1] == ':')
{
if (drv)
{
drv[0] = inpath[0];
drv[1] = inpath[1];
drv[2] = 0;
}
inpath += 2;
}
else if (drv) drv[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)
{
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)
{
memcpy( fname, inpath, end - inpath );
fname[end - inpath] = 0;
}
if (ext) strcpy( ext, end );
}
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