hush/coreutils/rmdir.c
Denys Vlasenko 17f8418ea7 Add conditional support for -v / --verbose
With FEATURE_VERBOSE off, practically no size change.
With it on:

function                                             old     new   delta
remove_file                                          493     556     +63
install_main                                         719     765     +46
bb_make_directory                                    383     419     +36
rmdir_main                                           162     191     +29
copy_file                                           1516    1544     +28
mv_main                                              502     525     +23
cmp_main                                             677     693     +16
bbconfig_config_bz2                                 5264    5279     +15
mkdir_main                                           158     168     +10
install_longopts                                      66      76     +10
rm_main                                              167     175      +8
nexpr                                                840     846      +6
scan_tree                                            275     280      +5
fsck_main                                           1807    1811      +4
ed_main                                             2541    2545      +4
expand_one_var                                      1574    1575      +1
swap_on_off_main                                     420     418      -2
parse_command                                       1443    1440      -3
redirect                                            1279    1274      -5
do_load                                              946     918     -28
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 16/4 up/down: 304/-38)          Total: 266 bytes

Based on the patch by Igor Živković.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-19 16:23:50 +02:00

94 lines
2.3 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.
*/
/* 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;
}