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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 |
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| 3 | /* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
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| 4 |
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| 5 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
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| 6 | *
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| 7 | * Now does proper error checking on output and returns a failure exit code
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[1765] | 8 | * if one or more paths cannot be resolved.
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[821] | 9 | *
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| 10 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 11 | */
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| 12 |
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[1765] | 13 | #include "libbb.h"
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[821] | 14 |
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[1765] | 15 | int realpath_main(int argc, char **argv);
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[821] | 16 | int realpath_main(int argc, char **argv)
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| 17 | {
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| 18 | int retval = EXIT_SUCCESS;
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| 19 |
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| 20 | #if PATH_MAX > (BUFSIZ+1)
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| 21 | RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
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| 22 | # define resolved_path_MUST_FREE 1
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| 23 | #else
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| 24 | #define resolved_path bb_common_bufsiz1
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| 25 | # define resolved_path_MUST_FREE 0
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| 26 | #endif
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| 27 |
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| 28 | if (--argc == 0) {
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| 29 | bb_show_usage();
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| 30 | }
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| 31 |
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| 32 | do {
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| 33 | argv++;
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| 34 | if (realpath(*argv, resolved_path) != NULL) {
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| 35 | puts(resolved_path);
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| 36 | } else {
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| 37 | retval = EXIT_FAILURE;
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| 38 | bb_perror_msg("%s", *argv);
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| 39 | }
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| 40 | } while (--argc);
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| 41 |
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| 42 | #if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
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| 43 | RELEASE_CONFIG_BUFFER(resolved_path);
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| 44 | #endif
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| 45 |
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[1765] | 46 | fflush_stdout_and_exit(retval);
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[821] | 47 | }
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