/*-
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)fmt.c	5.2 (Berkeley) 06/05/92";
#endif /* not lint */

#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ps.h"

static char *cmdpart __P((char *));
static char *shquote __P((char **));

/*
 * XXX
 * This is a stub until marc does the real one.
 */
static char *
shquote(argv)
	register char **argv;
{
	register char **p, *dst, *src;
	static char buf[1024];		/* XXX */

	if (*argv == 0) {
		buf[0] = 0;
		return (buf);
	}
	dst = buf;
	for (p = argv; (src = *p++) != 0; ) {
		if (*src == 0)
			continue;
		while ((*dst++ = *src++) != 0)
			continue;
		dst[-1] = ' ';
	}
	dst[-1] = 0;
	return (buf);
}

static char *
cmdpart(arg0)
	char *arg0;
{
	register char *cp;

	return ((cp = rindex(arg0, '/')) != NULL ? cp + 1 : arg0);
}

char *
fmt_argv(argv, cmd, maxlen)
	register char **argv;
	register char *cmd;
	int maxlen;
{
	register int len;
	register char *ap, *cp;

	if (argv == 0 || argv[0] == 0) {
		if (cmd == NULL)
			return ("");
		ap = NULL;
		len = maxlen + 3;
	} else {
		ap = shquote(argv);
		len = strlen(ap) + maxlen + 4;
	}
	if ((cp = malloc(len)) == NULL)
		return (NULL);
	if (ap == NULL)
		sprintf(cp, "(%.*s)", maxlen, cmd);
	else if (strncmp(cmdpart(argv[0]), cmd, maxlen) != 0)
		sprintf(cp, "%s (%.*s)", ap, maxlen, cmd);
	else
		(void) strcpy(cp, ap);
	return (cp);
}