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/* $Id$ */
/* Copyright 2008-2010 Fabian Nowak (timystery@arcor.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Note for programmers and editors: Try to use 4 spaces instead of Tab! */
/* Global includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* forward declarations for GCC 4.3 -Wall */
void * memset2 (void *s, char c, size_t n);
char * str_split (char *string, char *delim);
/**
* This function behaves exactly as memset.
* Memset is broken; it fails when writing an arbitrary number of chars to a valid pointer.
*/
void *memset2 (void *s, char c, size_t n)
{
unsigned int i;
char *p;
if (s==NULL)
return NULL;
if ( n > strlen((char *) s) )
return NULL;
for (p = s, i=0; i<n; i++)
{
*p = c;
p++;
i++;
}
return s;
}
/* Global variable storing last position in splitte string used for str_split(s, d) */
char *str_split_position;
/**
* Returns tokens of the string one after the other, split by the string delim.
* Just like strtok, initialize with a valid pointer and continue with passing NULL
* as string argument.
* @param string String to split
* @param delim String of the complete delimiting string, order and content are important.
* @return pointer onto next token, or NULL on end, or NULL on bad delimiter.
*/
char *
str_split (char *string, char *delim)
{
char *p, *retval;
int strlen_delim;
if (string!=NULL)
str_split_position = string;
if (str_split_position == NULL)
return NULL;
if (delim==NULL)
return NULL;
p = strstr (str_split_position, delim);
if (p!=NULL)
{
strlen_delim = strlen(delim);
memset2 (p, '\0', strlen_delim);
retval = str_split_position;
str_split_position = p + strlen(delim);
}
else
{
retval = str_split_position;
str_split_position = NULL;
}
return retval;
}
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