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17f8418ea7
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>
111 lines
2.2 KiB
C
111 lines
2.2 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini remove_file implementation for busybox
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*
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* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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/* Used from NOFORK applets. Must not allocate anything */
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int FAST_FUNC remove_file(const char *path, int flags)
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{
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struct stat path_stat;
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if (lstat(path, &path_stat) < 0) {
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if (errno != ENOENT) {
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bb_perror_msg("can't stat '%s'", path);
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return -1;
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}
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if (!(flags & FILEUTILS_FORCE)) {
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bb_perror_msg("can't remove '%s'", path);
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return -1;
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}
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return 0;
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}
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if (S_ISDIR(path_stat.st_mode)) {
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DIR *dp;
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struct dirent *d;
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int status = 0;
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if (!(flags & FILEUTILS_RECUR)) {
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bb_error_msg("'%s' is a directory", path);
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return -1;
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}
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if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && isatty(0))
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|| (flags & FILEUTILS_INTERACTIVE)
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) {
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fprintf(stderr, "%s: descend into directory '%s'? ", applet_name,
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path);
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if (!bb_ask_confirmation())
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return 0;
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}
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dp = opendir(path);
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if (dp == NULL) {
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return -1;
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}
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while ((d = readdir(dp)) != NULL) {
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char *new_path;
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new_path = concat_subpath_file(path, d->d_name);
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if (new_path == NULL)
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continue;
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if (remove_file(new_path, flags) < 0)
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status = -1;
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free(new_path);
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}
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if (closedir(dp) < 0) {
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bb_perror_msg("can't close '%s'", path);
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return -1;
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}
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if (flags & FILEUTILS_INTERACTIVE) {
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fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
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if (!bb_ask_confirmation())
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return status;
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}
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if (rmdir(path) < 0) {
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bb_perror_msg("can't remove '%s'", path);
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return -1;
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}
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if (flags & FILEUTILS_VERBOSE) {
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printf("removed directory: '%s'\n", path);
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}
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return status;
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}
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/* !ISDIR */
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if ((!(flags & FILEUTILS_FORCE)
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&& access(path, W_OK) < 0
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&& !S_ISLNK(path_stat.st_mode)
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&& isatty(0))
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|| (flags & FILEUTILS_INTERACTIVE)
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) {
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fprintf(stderr, "%s: remove '%s'? ", applet_name, path);
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if (!bb_ask_confirmation())
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return 0;
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}
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if (unlink(path) < 0) {
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bb_perror_msg("can't remove '%s'", path);
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return -1;
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}
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if (flags & FILEUTILS_VERBOSE) {
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printf("removed '%s'\n", path);
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}
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return 0;
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}
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