425 lines
9.9 KiB
C
425 lines
9.9 KiB
C
/*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
|
|
#include "windef.h"
|
|
#include "winternl.h"
|
|
|
|
|
|
/*********************************************************************
|
|
* _memicmp (NTDLL.@)
|
|
*/
|
|
INT __cdecl NTDLL__memicmp( LPCSTR s1, LPCSTR s2, DWORD len )
|
|
{
|
|
int ret = 0;
|
|
while (len--)
|
|
{
|
|
if ((ret = tolower(*s1) - tolower(*s2))) break;
|
|
s1++;
|
|
s2++;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strupr (NTDLL.@)
|
|
*/
|
|
LPSTR __cdecl _strupr( LPSTR str )
|
|
{
|
|
LPSTR ret = str;
|
|
for ( ; *str; str++) *str = toupper(*str);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _strlwr (NTDLL.@)
|
|
*
|
|
* convert a string in place to lowercase
|
|
*/
|
|
LPSTR __cdecl _strlwr( LPSTR str )
|
|
{
|
|
LPSTR ret = str;
|
|
for ( ; *str; str++) *str = tolower(*str);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ultoa (NTDLL.@)
|
|
*
|
|
* Converts an unsigned long integer to a string.
|
|
*
|
|
* RETURNS
|
|
* Always 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.
|
|
* 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(
|
|
unsigned long 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.@)
|
|
*
|
|
* Converts a long integer to a string.
|
|
*
|
|
* RETURNS
|
|
* Always 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 _ltoa(
|
|
long value, /* [I] Value to be converted */
|
|
char *str, /* [O] Destination for the converted value */
|
|
int radix) /* [I] Number base for conversion */
|
|
{
|
|
unsigned long 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
|
|
* Always 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
|
|
* Always 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
|
|
* Always 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. 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.@)
|
|
*
|
|
* Converts a string to a large integer.
|
|
*
|
|
* PARAMS
|
|
* str [I] Wstring to be converted
|
|
*
|
|
* RETURNS
|
|
* On success it returns the integer value otherwise it returns 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( 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;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _splitpath (NTDLL.@)
|
|
*/
|
|
void __cdecl _splitpath(const char* inpath, char * drv, char * dir,
|
|
char* fname, char * ext )
|
|
{
|
|
/* Modified PD code from 'snippets' collection. */
|
|
char ch, *ptr, *p;
|
|
char pathbuff[MAX_PATH], *path=pathbuff;
|
|
|
|
strcpy(pathbuff, inpath);
|
|
|
|
/* convert slashes to backslashes for searching */
|
|
for (ptr = (char*)path; *ptr; ++ptr)
|
|
if ('/' == *ptr)
|
|
*ptr = '\\';
|
|
|
|
/* look for drive spec */
|
|
if ('\0' != (ptr = strchr(path, ':')))
|
|
{
|
|
++ptr;
|
|
if (drv)
|
|
{
|
|
strncpy(drv, path, ptr - path);
|
|
drv[ptr - path] = '\0';
|
|
}
|
|
path = ptr;
|
|
}
|
|
else if (drv)
|
|
*drv = '\0';
|
|
|
|
/* find rightmost backslash or leftmost colon */
|
|
if (NULL == (ptr = strrchr(path, '\\')))
|
|
ptr = (strchr(path, ':'));
|
|
|
|
if (!ptr)
|
|
{
|
|
ptr = (char *)path; /* no path */
|
|
if (dir)
|
|
*dir = '\0';
|
|
}
|
|
else
|
|
{
|
|
++ptr; /* skip the delimiter */
|
|
if (dir)
|
|
{
|
|
ch = *ptr;
|
|
*ptr = '\0';
|
|
strcpy(dir, path);
|
|
*ptr = ch;
|
|
}
|
|
}
|
|
|
|
if (NULL == (p = strrchr(ptr, '.')))
|
|
{
|
|
if (fname)
|
|
strcpy(fname, ptr);
|
|
if (ext)
|
|
*ext = '\0';
|
|
}
|
|
else
|
|
{
|
|
*p = '\0';
|
|
if (fname)
|
|
strcpy(fname, ptr);
|
|
*p = '.';
|
|
if (ext)
|
|
strcpy(ext, p);
|
|
}
|
|
|
|
/* Fix pathological case - Win returns ':' as part of the
|
|
* directory when no drive letter is given.
|
|
*/
|
|
if (drv && drv[0] == ':')
|
|
{
|
|
*drv = '\0';
|
|
if (dir)
|
|
{
|
|
pathbuff[0] = ':';
|
|
pathbuff[1] = '\0';
|
|
strcat(pathbuff,dir);
|
|
strcpy(dir,pathbuff);
|
|
}
|
|
}
|
|
}
|