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authorP. J. McDermott <pjm@nac.net>2012-02-09 10:56:43 (EST)
committer P. J. McDermott <pjm@nac.net>2012-02-09 10:56:43 (EST)
commitf431cd1a48a6a5186633bf5f16a2d21cb4399e8c (patch)
tree337e36fd9d7884fcf76ba769ab7b0039f52d9d31 /src/libbb/make_directory.c
Initial commit.
TODO: Copyright information. Including source code and a patch to add files generated by GNU Autoconf is not very pretty... Running 'make dist' in the SVN trunk to generate a source archive might be better.
Diffstat (limited to 'src/libbb/make_directory.c')
-rw-r--r--src/libbb/make_directory.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/libbb/make_directory.c b/src/libbb/make_directory.c
new file mode 100644
index 0000000..86ab554
--- /dev/null
+++ b/src/libbb/make_directory.c
@@ -0,0 +1,80 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini make_directory implementation for busybox
+ *
+ * Copyright (C) 2001 Matt Kraai.
+ *
+ * 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 <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <libgen.h>
+
+#include "libbb.h"
+
+/* Create the directory PATH with mode MODE, or the default if MODE is -1.
+ * Also create parent directories as necessary if flags contains
+ * FILEUTILS_RECUR. */
+
+int make_directory (const char *path, long mode, int flags)
+{
+ if (!(flags & FILEUTILS_RECUR)) {
+ if (mkdir (path, 0777) < 0) {
+ perror_msg ("Cannot create directory `%s'", path);
+ return -1;
+ }
+
+ if (mode != -1 && chmod (path, mode) < 0) {
+ perror_msg ("Cannot set permissions of directory `%s'", path);
+ return -1;
+ }
+ } else {
+ struct stat st;
+
+ if (stat (path, &st) < 0 && errno == ENOENT) {
+ int status;
+ char *pathcopy, *parent, *parentcopy;
+ mode_t mask;
+
+ mask = umask (0);
+ umask (mask);
+
+ /* dirname is unsafe, it may both modify the
+ memory of the path argument and may return
+ a pointer to static memory, which can then
+ be modified by consequtive calls to dirname */
+
+ pathcopy = xstrdup (path);
+ parent = dirname (pathcopy);
+ parentcopy = xstrdup (parent);
+ status = make_directory (parentcopy, (0777 & ~mask)
+ | 0300, FILEUTILS_RECUR);
+ free (pathcopy);
+ free (parentcopy);
+
+
+ if (status < 0 || make_directory (path, mode, 0) < 0)
+ return -1;
+ }
+ }
+
+ return 0;
+}