Rewrote rm.

git-svn-id: svn://busybox.net/trunk/busybox@2423 69ca8d6d-28ef-0310-b511-8ec308f3f277

2 files changed, 128 insertions, 0 deletions

diff --git a/libbb/libbb.h b/libbb/libbb.h
index 404d7076c..bbfffda6d 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -93,6 +93,7 @@ int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
 void reset_ino_dev_hashtable(void);
 
+int remove_file(const char *path, int flags);
 int copy_file(const char *source, const char *dest, int flags);
 int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
 char *buildName(const char *dirName, const char *fileName);
diff --git a/libbb/remove_file.c b/libbb/remove_file.c
new file mode 100644
index 000000000..52b3211e6
--- /dev/null
+++ b/libbb/remove_file.c
@@ -0,0 +1,127 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * 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
+ *
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include <utime.h>
+#include <dirent.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include "libbb.h"
+
+extern int remove_file(const char *path, int flags)
+{
+        struct stat path_stat;
+        int path_exists = 1;
+
+        if (stat(path, &path_stat) < 0) {
+                if (errno != ENOENT) {
+                        perror_msg("unable to stat `%s'", path);
+                        return -1;
+                }
+
+                path_exists = 0;
+        }
+
+        if (!path_exists) {
+                if (!(flags & FILEUTILS_FORCE)) {
+                        perror_msg("cannot remove `%s'", path);
+                        return -1;
+                }
+                return 0;
+        }
+
+        if (S_ISDIR(path_stat.st_mode)) {
+                DIR *dp;
+                struct dirent *d;
+                int status = 0;
+
+                if (!(flags & FILEUTILS_RECUR)) {
+                        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,
+                                        path);
+                        if (!ask_confirmation())
+                                return 0;
+                }
+
+                if ((dp = opendir(path)) == NULL) {
+                        perror_msg("unable to open `%s'", path);
+                        return -1;
+                }
+
+                while ((d = readdir(dp)) != NULL) {
+                        char *new_path;
+
+                        if (strcmp(d->d_name, ".") == 0 ||
+                                        strcmp(d->d_name, "..") == 0)
+                                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);
+                        return -1;
+                }
+
+                if (flags & FILEUTILS_INTERACTIVE) {
+                        fprintf(stderr, "%s: remove directory `%s'? ", applet_name, path);
+                        if (!ask_confirmation())
+                                return status;
+                }
+
+                if (rmdir(path) < 0) {
+                        perror_msg("unable to remove `%s'", path);
+                        return -1;
+                }
+
+                return status;
+        } else {
+                if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
+                                        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;
+                }
+
+                return 0;
+        }
+}