From dad08730c43807c5b9f9aa3f164c31997e66eea3 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 10 Apr 2010 17:42:00 +0200
Subject: [PATCH] mount-setup: introduce mount_point_is_api() call

---
 mount-setup.c | 20 ++++++++++++++++----
 mount-setup.h |  4 ++++
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/mount-setup.c b/mount-setup.c
index f3041941..8cb77669 100644
--- a/mount-setup.c
+++ b/mount-setup.c
@@ -48,9 +48,21 @@ static const char *table[] = {
         "devpts",  "/dev/pts",          "devpts",   NULL,
         "cgroup",  "/cgroup/debug",     "cgroup",   "debug",
         "debugfs", "/sys/kernel/debug", "debugfs",  NULL,
-        NULL
 };
 
+bool mount_point_is_api(const char *path) {
+        unsigned i;
+
+        /* Checks if this mount point is considered "API", and hence
+         * should be ignored */
+
+        for (i = 0; i < ELEMENTSOF(table); i += MOUNT_SKIP)
+                if (path_startswith(path, table[i+MOUNT_WHERE]))
+                        return true;
+
+        return false;
+}
+
 static int is_mount_point(const char *t) {
         struct stat a, b;
         char *copy;
@@ -112,10 +124,10 @@ static int mount_one(const char *t[]) {
 
 int mount_setup(void) {
         int r;
-        const char **t;
+        unsigned i;
 
-        for (t = table; *t; t += MOUNT_SKIP)
-                if ((r = mount_one(t)) < 0)
+        for (i = 0; i < ELEMENTSOF(table); i += MOUNT_SKIP)
+                if ((r = mount_one(table + i)) < 0)
                         return r;
 
         return 0;
diff --git a/mount-setup.h b/mount-setup.h
index df768de9..bb13e018 100644
--- a/mount-setup.h
+++ b/mount-setup.h
@@ -22,6 +22,10 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <stdbool.h>
+
 int mount_setup(void);
 
+bool mount_point_is_api(const char *path);
+
 #endif
-- 
2.39.5