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/*
* argv.c
*
* Copyright (c) 2001 Dug Song <dugsong@monkey.org>
*
* $Id: argv.c,v 1.5 2002/02/24 22:26:41 dugsong Exp $
*/
#include "config.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "argv.h"
int
argv_create(char *p, int argc, char *argv[])
{
int i;
for (i = 0; i < argc - 1; i++) {
while (*p != '\0' && isspace((int)*p))
*p++ = '\0';
if (*p == '\0')
break;
argv[i] = p;
while (*p != '\0' && !isspace((int)*p))
p++;
}
p[0] = '\0';
argv[i] = NULL;
return (i);
}
/* XXX - from tcpdump util.c. */
char *
argv_copy(char *argv[])
{
char **p, *buf, *src, *dst;
int len = 0;
p = argv;
if (*p == 0)
return (NULL);
while (*p)
len += strlen(*p++) + 1;
if ((buf = (char *)malloc(len)) == NULL)
return (NULL);
p = argv;
dst = buf;
while ((src = *p++) != NULL) {
while ((*dst++ = *src++) != '\0')
;
dst[-1] = ' ';
}
dst[-1] = '\0';
return (buf);
}
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