X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-internal.c;h=afff7bd7c1253a41c184709ff4d757159d24c2e5;hp=cac948e875df4f97a7732b742e6098f20bb54b98;hb=29ddb38fea134c6132e4f2dd608e9da3871eaebe;hpb=8d1a28020409ee4afea6ef8c1c4d3522a209284e

diff --git a/src/libsystemd-bus/bus-internal.c b/src/libsystemd-bus/bus-internal.c
index cac948e87..afff7bd7c 100644
--- a/src/libsystemd-bus/bus-internal.c
+++ b/src/libsystemd-bus/bus-internal.c
@@ -61,6 +61,29 @@ bool object_path_is_valid(const char *p) {
         return true;
 }
 
+char* object_path_startswith(const char *a, const char *b) {
+        const char *p;
+
+        if (!object_path_is_valid(a) ||
+            !object_path_is_valid(b))
+                return NULL;
+
+        if (streq(b, "/"))
+                return (char*) a + 1;
+
+        p = startswith(a, b);
+        if (!p)
+                return NULL;
+
+        if (*p == 0)
+                return (char*) p;
+
+        if (*p == '/')
+                return (char*) p + 1;
+
+        return NULL;
+}
+
 bool interface_name_is_valid(const char *p) {
         const char *q;
         bool dot, found_dot = false;