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/****************************************************************************
*
* Copyright (c) 2000 Sasha Vasko <sasha at aftercode.net>
* some previous unknown authors that has never left their copyrights :)
*
* 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 <stdlib.h>
#include <ctype.h>
#include <string.h>
#include "astypes.h"
#include "output.h"
#include "safemalloc.h"
#include "mystring.h"
#include "audit.h"
int
mystrcasecmp (const char *s1, const char *s2)
{
int c1, c2;
register int i = 0 ;
if (s1 == NULL || s2 == NULL)
return (s1 == s2) ? 0 : ((s1==NULL)?1:-1);
while (s1[i])
{
/* in some BSD implementations, tolower(c) is not defined
* unless isupper(c) is true */
c1 = s1[i];
if (isupper (c1))
c1 = tolower (c1);
c2 = s2[i];
if (isupper (c2))
c2 = tolower (c2);
++i ;
if (c1 != c2)
return (c1 - c2);
}
return -s2[i];
}
int
mystrncasecmp (const char *s1, const char *s2, size_t n)
{
register int c1, c2;
register int i = 0 ;
if (s1 == NULL || s2 == NULL)
return (s1 == s2) ? 0 : ((s1==NULL)?1:-1);
while( i < n )
{
c1 = s1[i], c2 = s2[i];
++i ;
if (c1==0)
return -c2;
if (isupper (c1))
c1 = tolower(c1);
if (isupper (c2))
c2 = tolower(c2);
if (c1 != c2)
return (c1 - c2);
}
return 0;
}
/* safe version of STRCMP - checks for NULL strings : */
int
mystrcmp (const char *s1, const char *s2)
{
register int i = 0 ;
if (s1 == NULL || s2 == NULL)
return (s1 == s2) ? 0 : ((s1==NULL)?1:-1);
while (s1[i])
{
register int d = s1[i]-s2[i];
if( d != 0 )
return d;
++i ;
}
return -s2[i];
}
#undef mystrdup
#undef mystrndup
#undef safemalloc
void* safemalloc(size_t);
char *
mystrdup (const char *str)
{
char *c = NULL;
if (str)
{
c = safemalloc (strlen (str) + 1);
strcpy (c, str);
}
return c;
}
char *
mystrndup (const char *str, size_t n)
{
char *c = NULL;
if (str)
{
c = safemalloc (n + 1);
if( n > 0 )
strncpy (c, str, n);
c[n] = '\0';
}
return c;
}
/* very usefull utility function to update the value of any string property */
void
set_string (char **target, char *string)
{
if (target != NULL)
{
if (*target != string)
{
if (*target)
free (*target);
*target = string;
}
}
}
void destroy_string(char **ps)
{
if(ps && *(ps))
{
free(*(ps));
*(ps)=NULL;
}
}
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