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Diffstat (limited to 'package/aufs2-util/src/auplink.c')
-rw-r--r--package/aufs2-util/src/auplink.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/package/aufs2-util/src/auplink.c b/package/aufs2-util/src/auplink.c
new file mode 100644
index 000000000..1b48bea51
--- /dev/null
+++ b/package/aufs2-util/src/auplink.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2005-2009 Junjiro Okajima
+ *
+ * This program, aufs 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "au_util.h"
+
+static void usage(char *me)
+{
+ fprintf(stderr,
+ "usage: %s aufs_mount_point list|cpup|flush\n"
+ "'list' shows the pseudo-linked inode numbers and filenames.\n"
+ "'cpup' copies-up all pseudo-link to the writeble branch.\n"
+ "'flush' calls 'cpup', and then 'mount -o remount,clean_plink=inum'\n"
+ "and remove the whiteouted plink.\n", me);
+ exit(EINVAL);
+}
+
+int main(int argc, char *argv[])
+{
+ int err, cmd;
+ char *cwd;
+
+ if (argc != 3)
+ usage(argv[0]);
+
+ if (!strcmp(argv[2], "flush"))
+ cmd = AuPlink_FLUSH;
+ else if (!strcmp(argv[2], "list"))
+ cmd = AuPlink_LIST;
+ else if (!strcmp(argv[2], "cpup"))
+ cmd = AuPlink_CPUP;
+ else {
+ errno = EINVAL;
+ AuFin("%s", argv[2]);
+ cmd = 0; /* never reach here */
+ }
+
+ err = chdir(argv[1]);
+ if (err)
+ AuFin("chdir");
+ cwd = getcwd(NULL, 0); /* glibc */
+ if (!cwd)
+ AuFin("getcwd");
+ return au_plink(cwd, cmd, 1, 0);
+}