Bump to version 1.22.1
[platform/upstream/busybox.git] / libbb / remove_file.c
index ee1aaa5..5b75f7f 100644 (file)
@@ -4,49 +4,24 @@
  *
  * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
-#include <stdio.h>
-#include <time.h>
-#include <utime.h>
-#include <dirent.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <getopt.h>
 #include "libbb.h"
 
-int remove_file(const char *path, int flags)
+/* Used from NOFORK applets. Must not allocate anything */
+
+int FAST_FUNC remove_file(const char *path, int flags)
 {
        struct stat path_stat;
-       int path_exists = 1;
 
        if (lstat(path, &path_stat) < 0) {
                if (errno != ENOENT) {
-                       bb_perror_msg("unable to stat `%s'", path);
+                       bb_perror_msg("can't stat '%s'", path);
                        return -1;
                }
-
-               path_exists = 0;
-       }
-
-       if (!path_exists) {
                if (!(flags & FILEUTILS_FORCE)) {
-                       bb_perror_msg("cannot remove `%s'", path);
+                       bb_perror_msg("can't remove '%s'", path);
                        return -1;
                }
                return 0;
@@ -58,21 +33,21 @@ int remove_file(const char *path, int flags)
                int status = 0;
 
                if (!(flags & FILEUTILS_RECUR)) {
-                       bb_error_msg("%s: is a directory", path);
+                       bb_error_msg("'%s' is a directory", path);
                        return -1;
                }
 
-               if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
-                                       isatty(0)) ||
-                               (flags & FILEUTILS_INTERACTIVE)) {
-                       fprintf(stderr, "%s: descend into directory `%s'? ", bb_applet_name,
+               if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && isatty(0))
+                || (flags & FILEUTILS_INTERACTIVE)
+               ) {
+                       fprintf(stderr, "%s: descend into directory '%s'? ", applet_name,
                                        path);
                        if (!bb_ask_confirmation())
                                return 0;
                }
 
-               if ((dp = opendir(path)) == NULL) {
-                       bb_perror_msg("unable to open `%s'", path);
+               dp = opendir(path);
+               if (dp == NULL) {
                        return -1;
                }
 
@@ -80,7 +55,7 @@ int remove_file(const char *path, int flags)
                        char *new_path;
 
                        new_path = concat_subpath_file(path, d->d_name);
-                       if(new_path == NULL)
+                       if (new_path == NULL)
                                continue;
                        if (remove_file(new_path, flags) < 0)
                                status = -1;
@@ -88,37 +63,40 @@ int remove_file(const char *path, int flags)
                }
 
                if (closedir(dp) < 0) {
-                       bb_perror_msg("unable to close `%s'", path);
+                       bb_perror_msg("can't close '%s'", path);
                        return -1;
                }
 
                if (flags & FILEUTILS_INTERACTIVE) {
-                       fprintf(stderr, "%s: remove directory `%s'? ", bb_applet_name, path);
+                       fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
                        if (!bb_ask_confirmation())
                                return status;
                }
 
                if (rmdir(path) < 0) {
-                       bb_perror_msg("unable to remove `%s'", path);
+                       bb_perror_msg("can't remove '%s'", path);
                        return -1;
                }
 
                return status;
-       } else {
-               if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
-                                       !S_ISLNK(path_stat.st_mode) &&
-                                       isatty(0)) ||
-                               (flags & FILEUTILS_INTERACTIVE)) {
-                       fprintf(stderr, "%s: remove `%s'? ", bb_applet_name, path);
-                       if (!bb_ask_confirmation())
-                               return 0;
-               }
+       }
 
-               if (unlink(path) < 0) {
-                       bb_perror_msg("unable to remove `%s'", path);
-                       return -1;
-               }
+       /* !ISDIR */
+       if ((!(flags & FILEUTILS_FORCE)
+            && access(path, W_OK) < 0
+            && !S_ISLNK(path_stat.st_mode)
+            && isatty(0))
+        || (flags & FILEUTILS_INTERACTIVE)
+       ) {
+               fprintf(stderr, "%s: remove '%s'? ", applet_name, path);
+               if (!bb_ask_confirmation())
+                       return 0;
+       }
 
-               return 0;
+       if (unlink(path) < 0) {
+               bb_perror_msg("can't remove '%s'", path);
+               return -1;
        }
+
+       return 0;
 }