1 /* vi: set sw=4 ts=4: */
3 * Mini readlink implementation for busybox
5 * Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
7 * Licensed under GPL v2 or later, see file LICENSE in this tarball for details.
12 int readlink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
13 int readlink_main(int argc UNUSED_PARAM, char **argv)
17 char pathbuf[PATH_MAX];
19 IF_FEATURE_READLINK_FOLLOW(
21 /* We need exactly one non-option argument. */
22 opt_complementary = "=1";
23 opt = getopt32(argv, "f");
26 IF_NOT_FEATURE_READLINK_FOLLOW(
27 const unsigned opt = 0;
28 if (argc != 2) bb_show_usage();
32 /* compat: coreutils readlink reports errors silently via exit code */
33 logmode = LOGMODE_NONE;
36 buf = realpath(fname, pathbuf);
38 buf = xmalloc_readlink_or_warn(fname);
45 if (ENABLE_FEATURE_CLEAN_UP && !opt)
48 fflush_stdout_and_exit(EXIT_SUCCESS);