- Add a configuration dumper.

- Fix a bug where you could override a configuration value that did not
  set allow_override to true.

src/conf.c

@@ -136,7 +136,7 @@ ConfSet(char *name, char *val, int allow_override)
     lookup_key.name = name;
     conf_node = HashTableLookup(conf_hash, &lookup_key, sizeof(lookup_key));
     if (conf_node != NULL) {
-        if (!allow_override) {
+        if (!conf_node->allow_override) {
             return 0;
         }
         HashTableRemove(conf_hash, conf_node, sizeof(*conf_node));
@@ -210,6 +210,28 @@ ConfRemove(char *name)
         return 0;
 }
 
+/**
+ * \brief Dump configuration to stdout.
+ */
+void
+ConfDump(void)
+{
+    HashTableBucket *b;
+    ConfNode *cn;
+    int i;
+
+    for (i = 0; i < conf_hash->array_size; i++) {
+        if (conf_hash->array[i] != NULL) {
+            b = (HashTableBucket *)conf_hash->array[i];
+            while (b != NULL) {
+                cn = (ConfNode *)b->data;
+                printf("%s=%s\n", cn->name, cn->val);
+                b = b->next;
+            }
+        }
+    }
+}
+
 #ifdef UNITTESTS
 
 /**

src/conf.h

@@ -15,6 +15,7 @@
 void ConfInit(void);
 int ConfGet(char *name, char **vptr);
 int ConfSet(char *name, char *val, int allow_override);
+void ConfDump(void);
 void ConfRegisterTests();
 
 #endif /* ! __CONF_H__ */