service: add options RestartPreventExitStatus and SuccessExitStatus

[elogind.git] / src / shared / hashmap.c

diff --git a/src/shared/hashmap.c b/src/shared/hashmap.c
index e2395d4d4290caab9eb1e5a2024ba7fb294d1324..be37a3659d17a1d73bd4084d1f7af685c7050d41 100644 (file)
--- a/src/shared/hashmap.c
+++ b/src/shared/hashmap.c
@@ -378,6 +378,21 @@ void* hashmap_get(Hashmap *h, const void *key) {
         return e->value;
 }
 
+bool hashmap_contains(Hashmap *h, const void *key) {
+        unsigned hash;
+        struct hashmap_entry *e;
+
+        if (!h)
+                return false;
+
+        hash = h->hash_func(key) % NBUCKETS;
+
+        if (!(e = hash_scan(h, hash, key)))
+                return false;
+
+        return true;
+}
+
 void* hashmap_remove(Hashmap *h, const void *key) {
         struct hashmap_entry *e;
         unsigned hash;