1 files changed, 29 insertions, 0 deletions
diff --git a/st.c b/st.c
index 4d21016a68..a0e669294b 100644
--- a/st.c
+++ b/st.c
@@ -302,6 +302,35 @@ st_lookup(st_table *table, register st_data_t key, st_data_t *value)
     }
 }
 
+int
+st_get_key(st_table *table, register st_data_t key, st_data_t *result)
+{
+    unsigned int hash_val, bin_pos;
+    register st_table_entry *ptr;
+
+    if (table->entries_packed) {
+        int i;
+        for (i = 0; i < table->num_entries; i++) {
+            if ((st_data_t)table->bins[i*2] == key) {
+                if (result !=0) *result = (st_data_t)table->bins[i*2];
+                return 1;
+            }
+        }
+        return 0;
+    }
+
+    hash_val = do_hash(key, table);
+    FIND_ENTRY(table, ptr, hash_val, bin_pos);
+
+    if (ptr == 0) {
+	return 0;
+    }
+    else {
+	if (result != 0)  *result = ptr->key;
+	return 1;
+    }
+}
+
 #define ADD_DIRECT(table, key, value, hash_val, bin_pos)\
 do {\
     st_table_entry *entry, *head;\