1 files changed, 111 insertions, 0 deletions
diff --git a/libbb/remove_file.c b/libbb/remove_file.c
new file mode 100644
index 000000000..ab159a481
--- /dev/null
+++ b/libbb/remove_file.c
@@ -0,0 +1,111 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini remove_file implementation for busybox
+ *
+ * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ *
+ * 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"
+
+int 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("cannot stat '%s'", path);
+			return -1;
+		}
+
+		path_exists = 0;
+	}
+
+	if (!path_exists) {
+		if (!(flags & FILEUTILS_FORCE)) {
+			bb_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)) {
+			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,
+					path);
+			if (!bb_ask_confirmation())
+				return 0;
+		}
+
+		if ((dp = opendir(path)) == NULL) {
+			return -1;
+		}
+
+		while ((d = readdir(dp)) != NULL) {
+			char *new_path;
+
+			new_path = concat_subpath_file(path, d->d_name);
+			if(new_path == NULL)
+				continue;
+			if (remove_file(new_path, flags) < 0)
+				status = -1;
+			free(new_path);
+		}
+
+		if (closedir(dp) < 0) {
+			bb_perror_msg("cannot close '%s'", path);
+			return -1;
+		}
+
+		if (flags & FILEUTILS_INTERACTIVE) {
+			fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
+			if (!bb_ask_confirmation())
+				return status;
+		}
+
+		if (rmdir(path) < 0) {
+			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 (!bb_ask_confirmation())
+				return 0;
+		}
+
+		if (unlink(path) < 0) {
+			bb_perror_msg("cannot remove '%s'", path);
+			return -1;
+		}
+
+		return 0;
+	}
+}