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/* 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 "libbb.h"
int which_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int which_main(int argc, char **argv)
{
int status = EXIT_SUCCESS;
char *p;
if (argc <= 1 || argv[1][0] == '-') {
bb_show_usage();
}
/* We shouldn't do this. Ever. Not our business.
if (!getenv("PATH")) {
putenv((char*)bb_PATH_root_path);
}
*/
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);
}
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