From cc5e090f12fb4e3834fb1a55bc91d7618af8ce78 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Tue, 12 Jun 2007 08:12:33 +0000 Subject: move several applets to more correct ex-project. No code changes. --- coreutils/readlink.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 coreutils/readlink.c (limited to 'coreutils/readlink.c') diff --git a/coreutils/readlink.c b/coreutils/readlink.c new file mode 100644 index 000000000..d454cbf19 --- /dev/null +++ b/coreutils/readlink.c @@ -0,0 +1,50 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini readlink implementation for busybox + * + * Copyright (C) 2000,2001 Matt Kraai + * + * Licensed under GPL v2 or later, see file LICENSE in this tarball for details. + */ + +#include + +#include "libbb.h" + +int readlink_main(int argc, char **argv); +int readlink_main(int argc, char **argv) +{ + char *buf; + char *fname; + + USE_FEATURE_READLINK_FOLLOW( + unsigned opt; + /* We need exactly one non-option argument. */ + opt_complementary = "=1"; + opt = getopt32(argc, argv, "f"); + fname = argv[optind]; + ) + SKIP_FEATURE_READLINK_FOLLOW( + const unsigned opt = 0; + if (argc != 2) bb_show_usage(); + fname = argv[1]; + ) + + /* compat: coreutils readlink reports errors silently via exit code */ + logmode = LOGMODE_NONE; + + if (opt) { + buf = realpath(fname, bb_common_bufsiz1); + } else { + buf = xmalloc_readlink_or_warn(fname); + } + + if (!buf) + return EXIT_FAILURE; + puts(buf); + + if (ENABLE_FEATURE_CLEAN_UP && !opt) + free(buf); + + fflush_stdout_and_exit(EXIT_SUCCESS); +} -- cgit v1.2.3