busybox/debianutils/which.c

/* vi: set sw=4 ts=4: */
/*
 * Which implementation for busybox
 *
 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
 * Copyright (C) 2006 Gabriel Somlo <somlo at cmu.edu>
 *
 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
 *
 * Based on which from debianutils
 */

#include "busybox.h"

int which_main(int argc, char **argv)
{
	int status = EXIT_SUCCESS;
	char *p;

	if (argc <= 1 || argv[1][0] == '-') {
		bb_show_usage();
	}

	while (--argc > 0) {
		argv++;
		if (strchr(*argv, '/')) {
			if (execable_file(*argv)) {
				puts(*argv);
				continue;
			}
		} else {
			p = find_execable(*argv);
			if (p) {
				puts(p);
				free(p);
				continue;
			}
		}
		status = EXIT_FAILURE;
	}

	fflush_stdout_and_exit(status);
}
1	niro	532	/* vi: set sw=4 ts=4: */
2			/*
3			* Which implementation for busybox
4			*
5			* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6			* Copyright (C) 2006 Gabriel Somlo <somlo at cmu.edu>
7			*
8			* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
9			*
10			* Based on which from debianutils
11			*/
12
13			#include "busybox.h"
14
15			int which_main(int argc, char **argv)
16			{
17			int status = EXIT_SUCCESS;
18			char *p;
19
20			if (argc <= 1 \|\| argv[1][0] == '-') {
21			bb_show_usage();
22			}
23
24			while (--argc > 0) {
25			argv++;
26			if (strchr(*argv, '/')) {
27			if (execable_file(*argv)) {
28			puts(*argv);
29			continue;
30			}
31			} else {
32			p = find_execable(*argv);
33			if (p) {
34			puts(p);
35			free(p);
36			continue;
37			}
38			}
39			status = EXIT_FAILURE;
40			}
41
42			fflush_stdout_and_exit(status);
43			}