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/** \file shared/str.c
* Commmand / argument parsing functions (for use in clients).
*/
/*-
* This file is part of LCDproc.
*
* This file is released under the GNU General Public License.
* Refer to the COPYING file distributed with this package.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "report.h"
#include "str.h"
/** Split elements of a string into an array of strings.
* Elements are typically commands and arguments.
* \param **argv Pointer to the array which will store the arguments
* \param *str The string to be parsed
* \param max_args Number of arguments to parse (typically the size of argv)
* \retval <0 Error.
* \retval >=0 The number of arguments parsed.
*/
int
get_args (char **argv, char *str, int max_args)
{
char *delimiters = " \n";
char *item;
int i = 0;
if (!argv)
return -1;
if (!str)
return 0;
if (max_args < 1)
return 0;
debug(RPT_DEBUG, "get_args(%i): string=%s", max_args, str);
/* Parse the command line... */
for (item = strtok (str, delimiters); item; item = strtok (NULL, delimiters)) {
debug(RPT_DEBUG, "get_args: item=%s", item);
if (i < max_args) {
argv[i] = item;
i++;
} else
return i;
}
return i;
}
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