hashmap: Add pa_hashmap_remove_and_free()

2 files changed, 20 insertions, 0 deletions

diff --git a/src/pulsecore/hashmap.c b/src/pulsecore/hashmap.c
index acac1e06a..2cc03cbab 100644
--- a/src/pulsecore/hashmap.c
+++ b/src/pulsecore/hashmap.c
@@ -207,6 +207,19 @@ void* pa_hashmap_remove(pa_hashmap *h, const void *key) {
     return data;
 }
 
+int pa_hashmap_remove_and_free(pa_hashmap *h, const void *key) {
+    void *data;
+
+    pa_assert(h);
+
+    data = pa_hashmap_remove(h, key);
+
+    if (data && h->value_free_func)
+        h->value_free_func(data);
+
+    return data ? 0 : -1;
+}
+
 void pa_hashmap_remove_all(pa_hashmap *h) {
     pa_assert(h);
 
diff --git a/src/pulsecore/hashmap.h b/src/pulsecore/hashmap.h
index e42732ae9..8042f7bd9 100644
--- a/src/pulsecore/hashmap.h
+++ b/src/pulsecore/hashmap.h
@@ -52,6 +52,13 @@ void* pa_hashmap_get(pa_hashmap *h, const void *key);
 /* Returns the data of the entry while removing */
 void* pa_hashmap_remove(pa_hashmap *h, const void *key);
 
+/* Removes the entry and frees the entry data. Returns a negative value if the
+ * entry is not found. FIXME: This function shouldn't be needed.
+ * pa_hashmap_remove() should free the entry data, and the current semantics of
+ * pa_hashmap_remove() should be implemented by a function called
+ * pa_hashmap_steal(). */
+int pa_hashmap_remove_and_free(pa_hashmap *h, const void *key);
+
 /* Remove all entries but don't free the hashmap */
 void pa_hashmap_remove_all(pa_hashmap *h);