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#include "argparse.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
/*
** Copyright 2000 Double Precision, Inc.
** See COPYING for distribution information.
*/
/* $Id: argparse.c,v 1.2 2000/07/30 01:08:10 mrsam Exp $ */
int argparse(int argc, char **argv, struct args *s)
{
int argn=1;
int i;
while (argn < argc)
{
const char *p;
int l=0;
if ( argv[argn][0] != '-') break;
if ( argv[argn][1] == 0)
{
++argn;
break;
}
for (i=0; s[i].name; i++)
{
l=strlen(s[i].name);
if (strncmp(s[i].name, argv[argn]+1, l) == 0 &&
(argv[argn][l+1] == 0 ||
argv[argn][l+1] == '=')) break;
}
if (s[i].name == 0)
{
fprintf(stderr, "%s: Invalid option: %s\n",
argv[0], argv[argn]);
exit(1);
}
p=argv[argn]+1+l;
if (*p) ++p;
if (s[i].valuep)
*s[i].valuep=p;
else
(*s[i].funcp)(p);
++argn;
}
return (argn);
}
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