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authorIlya Dryomov <idryomov@gmail.com>2012-02-03 21:00:17 +0200
committerIlya Dryomov <idryomov@gmail.com>2012-02-03 21:00:17 +0200
commit4f268331932819fb5e002e4a88449de6f76bb0b2 (patch)
treee2ff8cd9fc5d4aba5449ac6a2af4cef15b53839e /common.c
parentfdb6c0402337d9607c7a39155088eaf033742752 (diff)
Btrfs-progs: rearrange files in the repo
Separate every command group into its own file (cmds_<group>.c) and rearrange includes. Remove btrfs_cmds.c. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'common.c')
-rw-r--r--common.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/common.c b/common.c
new file mode 100644
index 00000000..03f65703
--- /dev/null
+++ b/common.c
@@ -0,0 +1,46 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * 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 021110-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <fcntl.h>
+
+int open_file_or_dir(const char *fname)
+{
+ int ret;
+ struct stat st;
+ DIR *dirstream;
+ int fd;
+
+ ret = stat(fname, &st);
+ if (ret < 0) {
+ return -1;
+ }
+ if (S_ISDIR(st.st_mode)) {
+ dirstream = opendir(fname);
+ if (!dirstream) {
+ return -2;
+ }
+ fd = dirfd(dirstream);
+ } else {
+ fd = open(fname, O_RDWR);
+ }
+ if (fd < 0) {
+ return -3;
+ }
+ return fd;
+}