From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 1 Jul 2017 20:36:05 +0000 (+0200)
Subject: storage: add lxc_storage_get_path()
X-Git-Tag: lxc-2.1.0~58^2~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f25fd384751874f32e23d4e9acc32bc88361c14;p=thirdparty%2Flxc.git

storage: add lxc_storage_get_path()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/bdev/bdev.c b/src/lxc/bdev/bdev.c
index ea1bca17a..48f2c2759 100644
--- a/src/lxc/bdev/bdev.c
+++ b/src/lxc/bdev/bdev.c
@@ -609,3 +609,14 @@ bool rootfs_is_blockdev(struct lxc_conf *conf)
 
 	return false;
 }
+
+char *lxc_storage_get_path(char *src, const char *prefix)
+{
+	size_t prefix_len;
+
+	prefix_len = strlen(prefix);
+	if (!strncmp(src, prefix, prefix_len) && (*(src + prefix_len) == ':'))
+		return (src + prefix_len + 1);
+
+	return src;
+}
diff --git a/src/lxc/bdev/bdev.h b/src/lxc/bdev/bdev.h
index b723b5080..22133173a 100644
--- a/src/lxc/bdev/bdev.h
+++ b/src/lxc/bdev/bdev.h
@@ -125,5 +125,6 @@ bool bdev_destroy(struct lxc_conf *conf);
 /* callback function to be used with userns_exec_1() */
 int bdev_destroy_wrapper(void *data);
 extern bool rootfs_is_blockdev(struct lxc_conf *conf);
+extern char *lxc_storage_get_path(char *src, const char *prefix);
 
 #endif // __LXC_BDEV_H