hush/coreutils/rmdir.c

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/* vi: set sw=4 ts=4: */
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/*
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* rmdir implementation for busybox
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*
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* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
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*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */
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//usage:#define rmdir_trivial_usage
//usage: "[OPTIONS] DIRECTORY..."
//usage:#define rmdir_full_usage "\n\n"
//usage: "Remove DIRECTORY if it is empty\n"
//usage: IF_FEATURE_RMDIR_LONG_OPTIONS(
//usage: "\n -p|--parents Include parents"
//usage: "\n --ignore-fail-on-non-empty"
//usage: )
//usage: IF_NOT_FEATURE_RMDIR_LONG_OPTIONS(
//usage: "\n -p Include parents"
//usage: )
//usage:
//usage:#define rmdir_example_usage
//usage: "# rmdir /tmp/foo\n"
#include "libbb.h"
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/* This is a NOFORK applet. Be very careful! */
#define PARENTS (1 << 0)
#define VERBOSE ((1 << 1) * ENABLE_FEATURE_VERBOSE)
#define IGNORE_NON_EMPTY (1 << 2)
int rmdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int rmdir_main(int argc UNUSED_PARAM, char **argv)
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{
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int status = EXIT_SUCCESS;
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int flags;
char *path;
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#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
static const char rmdir_longopts[] ALIGN1 =
"parents\0" No_argument "p"
/* Debian etch: many packages fail to be purged or installed
* because they desperately want this option: */
"ignore-fail-on-non-empty\0" No_argument "\xff"
IF_FEATURE_VERBOSE(
"verbose\0" No_argument "v"
)
;
applet_long_options = rmdir_longopts;
#endif
flags = getopt32(argv, "pv");
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argv += optind;
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if (!*argv) {
bb_show_usage();
}
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do {
path = *argv;
while (1) {
if (flags & VERBOSE) {
printf("rmdir: removing directory, '%s'\n", path);
}
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if (rmdir(path) < 0) {
#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
if ((flags & IGNORE_NON_EMPTY) && errno == ENOTEMPTY)
break;
#endif
bb_perror_msg("'%s'", path); /* Match gnu rmdir msg. */
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status = EXIT_FAILURE;
} else if (flags & PARENTS) {
/* Note: path was not "" since rmdir succeeded. */
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path = dirname(path);
/* Path is now just the parent component. Dirname
* returns "." if there are no parents.
*/
if (NOT_LONE_CHAR(path, '.')) {
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continue;
}
}
break;
}
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} while (*++argv);
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return status;
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}