Last change
on this file since 2891 was 1765, checked in by Bruno Cornec, 17 years ago |
Update to busybox 1.7.2
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-
Property svn:eol-style
set to
native
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File size:
1.0 KB
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Rev | Line | |
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[1765] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Mini readlink implementation for busybox
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| 4 | *
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| 5 | * Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
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| 6 | *
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| 7 | * Licensed under GPL v2 or later, see file LICENSE in this tarball for details.
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| 8 | */
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| 9 |
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| 10 | #include <getopt.h>
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| 11 |
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| 12 | #include "libbb.h"
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| 13 |
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| 14 | int readlink_main(int argc, char **argv);
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| 15 | int readlink_main(int argc, char **argv)
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| 16 | {
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| 17 | char *buf;
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| 18 | char *fname;
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| 19 |
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| 20 | USE_FEATURE_READLINK_FOLLOW(
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| 21 | unsigned opt;
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| 22 | /* We need exactly one non-option argument. */
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| 23 | opt_complementary = "=1";
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| 24 | opt = getopt32(argv, "f");
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| 25 | fname = argv[optind];
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| 26 | )
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| 27 | SKIP_FEATURE_READLINK_FOLLOW(
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| 28 | const unsigned opt = 0;
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| 29 | if (argc != 2) bb_show_usage();
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| 30 | fname = argv[1];
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| 31 | )
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| 32 |
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| 33 | /* compat: coreutils readlink reports errors silently via exit code */
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| 34 | logmode = LOGMODE_NONE;
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| 35 |
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| 36 | if (opt) {
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| 37 | buf = realpath(fname, bb_common_bufsiz1);
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| 38 | } else {
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| 39 | buf = xmalloc_readlink_or_warn(fname);
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| 40 | }
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| 41 |
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| 42 | if (!buf)
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| 43 | return EXIT_FAILURE;
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| 44 | puts(buf);
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| 45 |
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| 46 | if (ENABLE_FEATURE_CLEAN_UP && !opt)
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| 47 | free(buf);
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| 48 |
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| 49 | fflush_stdout_and_exit(EXIT_SUCCESS);
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| 50 | }
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