1 files changed, 37 insertions, 64 deletions

diff --git a/release/src/router/busybox/libbb/remove_file.c b/release/src/router/busybox/libbb/remove_file.c
index 3b84680c..8b14f07c 100644
--- a/release/src/router/busybox/libbb/remove_file.c
+++ b/release/src/router/busybox/libbb/remove_file.c
@@ -2,54 +2,26 @@
 /*
  * Mini remove_file implementation for busybox
  *
- *
  * 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 tarball for details.
  */
 
-#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"
 
-extern 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) {
-			perror_msg("unable to stat `%s'", path);
+			bb_perror_msg("cannot stat '%s'", path);
 			return -1;
 		}
-
-		path_exists = 0;
-	}
-
-	if (!path_exists) {
 		if (!(flags & FILEUTILS_FORCE)) {
-			perror_msg("cannot remove `%s'", path);
+			bb_perror_msg("cannot remove '%s'", path);
 			return -1;
 		}
 		return 0;
@@ -61,69 +33,70 @@ extern int remove_file(const char *path, int flags)
 		int status = 0;
 
 		if (!(flags & FILEUTILS_RECUR)) {
-			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'? ", 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 (!ask_confirmation())
+			if (!bb_ask_confirmation())
 				return 0;
 		}
 
-		if ((dp = opendir(path)) == NULL) {
-			perror_msg("unable to open `%s'", path);
+		dp = opendir(path);
+		if (dp == NULL) {
 			return -1;
 		}
 
 		while ((d = readdir(dp)) != NULL) {
 			char *new_path;
 
-			if (strcmp(d->d_name, ".") == 0 ||
-					strcmp(d->d_name, "..") == 0)
+			new_path = concat_subpath_file(path, d->d_name);
+			if (new_path == NULL)
 				continue;
-
-			new_path = concat_path_file(path, d->d_name);
 			if (remove_file(new_path, flags) < 0)
 				status = -1;
 			free(new_path);
 		}
 
 		if (closedir(dp) < 0) {
-			perror_msg("unable to close `%s'", path);
+			bb_perror_msg("cannot close '%s'", path);
 			return -1;
 		}
 
 		if (flags & FILEUTILS_INTERACTIVE) {
-			fprintf(stderr, "%s: remove directory `%s'? ", applet_name, path);
-			if (!ask_confirmation())
+			fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
+			if (!bb_ask_confirmation())
 				return status;
 		}
 
 		if (rmdir(path) < 0) {
-			perror_msg("unable to remove `%s'", path);
+			bb_perror_msg("cannot 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'? ", applet_name, path);
-			if (!ask_confirmation())
-				return 0;
-		}
+	}
 
-		if (unlink(path) < 0) {
-			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("cannot remove '%s'", path);
+		return -1;
 	}
+
+	return 0;
 }