X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fshared%2Fhashmap.c;h=0a044b85ad25a7901025d1a8ae2474a83ab00d66;hb=b5b46d599524341ddd7407e5dff1021af8ff5089;hp=6928118615ba48306f15b9afee225550a62ed758;hpb=d7832d2c6e0ef5f2839a2296c1cc2fc85c7d9632;p=elogind.git

diff --git a/src/shared/hashmap.c b/src/shared/hashmap.c
index 692811861..0a044b85a 100644
--- a/src/shared/hashmap.c
+++ b/src/shared/hashmap.c
@@ -6,16 +6,16 @@
   Copyright 2010 Lennart Poettering
 
   systemd 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
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.
 
   systemd 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.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
@@ -277,11 +277,10 @@ void hashmap_free(Hashmap*h) {
 }
 
 void hashmap_free_free(Hashmap *h) {
-        void *p;
-
-        while ((p = hashmap_steal_first(h)))
-                free(p);
+        if (!h)
+                return;
 
+        hashmap_clear_free(h);
         hashmap_free(h);
 }
 
@@ -293,6 +292,16 @@ void hashmap_clear(Hashmap *h) {
                 remove_entry(h, h->iterate_list_head);
 }
 
+void hashmap_clear_free(Hashmap *h) {
+        void *p;
+
+        if (!h)
+                return;
+
+        while ((p = hashmap_steal_first(h)))
+                free(p);
+}
+
 static struct hashmap_entry *hash_scan(Hashmap *h, unsigned hash, const void *key) {
         struct hashmap_entry *e;
         assert(h);
@@ -369,6 +378,20 @@ void* hashmap_get(Hashmap *h, const void *key) {
         return e->value;
 }
 
+bool hashmap_contains(Hashmap *h, const void *key) {
+        unsigned hash;
+
+        if (!h)
+                return false;
+
+        hash = h->hash_func(key) % NBUCKETS;
+
+        if (!hash_scan(h, hash, key))
+                return false;
+
+        return true;
+}
+
 void* hashmap_remove(Hashmap *h, const void *key) {
         struct hashmap_entry *e;
         unsigned hash;