mirror of
https://github.com/sheumann/hush.git
synced 2024-11-01 10:06:40 +00:00
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* rmdir implementation for busybox
|
|
*
|
|
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
//config:config RMDIR
|
|
//config: bool "rmdir"
|
|
//config: default y
|
|
//config: help
|
|
//config: rmdir is used to remove empty directories.
|
|
//config:
|
|
//config:config FEATURE_RMDIR_LONG_OPTIONS
|
|
//config: bool "Enable long options"
|
|
//config: default y
|
|
//config: depends on RMDIR && LONG_OPTS
|
|
//config: help
|
|
//config: Support long options for the rmdir applet, including
|
|
//config: --ignore-fail-on-non-empty for compatibility with GNU rmdir.
|
|
|
|
//applet:IF_RMDIR(APPLET_NOFORK(rmdir, rmdir, BB_DIR_BIN, BB_SUID_DROP, rmdir))
|
|
|
|
//kbuild:lib-$(CONFIG_RMDIR) += rmdir.o
|
|
|
|
/* BB_AUDIT SUSv3 compliant */
|
|
/* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */
|
|
|
|
//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"
|
|
|
|
/* 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;
|
|
int rmdir_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
int status = EXIT_SUCCESS;
|
|
int flags;
|
|
char *path;
|
|
|
|
#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");
|
|
argv += optind;
|
|
|
|
if (!*argv) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
do {
|
|
path = *argv;
|
|
|
|
while (1) {
|
|
if (flags & VERBOSE) {
|
|
printf("rmdir: removing directory, '%s'\n", path);
|
|
}
|
|
|
|
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. */
|
|
status = EXIT_FAILURE;
|
|
} else if (flags & PARENTS) {
|
|
/* Note: path was not "" since rmdir succeeded. */
|
|
path = dirname(path);
|
|
/* Path is now just the parent component. Dirname
|
|
* returns "." if there are no parents.
|
|
*/
|
|
if (NOT_LONE_CHAR(path, '.')) {
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
} while (*++argv);
|
|
|
|
return status;
|
|
}
|