diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-12 12:12:33 +0400 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-12 12:12:33 +0400 |
commit | cc5e090f12fb4e3834fb1a55bc91d7618af8ce78 (patch) | |
tree | 34813e8836287c21cb893ab7d3aee666db415d62 /coreutils/readlink.c | |
parent | aa198dd39cad6cb41fbf6c8b64301b581a9ba206 (diff) |
move several applets to more correct ex-project. No code changes.
Diffstat (limited to 'coreutils/readlink.c')
-rw-r--r-- | coreutils/readlink.c | 50 |
1 files changed, 50 insertions, 0 deletions
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 <kraai@alumni.carnegiemellon.edu> + * + * Licensed under GPL v2 or later, see file LICENSE in this tarball for details. + */ + +#include <getopt.h> + +#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); +} |