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48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/* vi: set sw=4 ts=4: */
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/* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
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/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
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*
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* Now does proper error checking on output and returns a failure exit code
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* if one or more paths cannot be resolved.
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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int realpath_main(int argc, char **argv);
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int realpath_main(int argc, char **argv)
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{
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int retval = EXIT_SUCCESS;
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#if PATH_MAX > (BUFSIZ+1)
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RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
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# define resolved_path_MUST_FREE 1
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#else
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#define resolved_path bb_common_bufsiz1
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# define resolved_path_MUST_FREE 0
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#endif
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if (--argc == 0) {
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bb_show_usage();
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}
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do {
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argv++;
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if (realpath(*argv, resolved_path) != NULL) {
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puts(resolved_path);
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} else {
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retval = EXIT_FAILURE;
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bb_perror_msg("%s", *argv);
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}
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} while (--argc);
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#if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
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RELEASE_CONFIG_BUFFER(resolved_path);
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#endif
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fflush_stdout_and_exit(retval);
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}
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