From ba0899a77f3ec04fdef34ff9a8d71b97c6c0ad59 Mon Sep 17 00:00:00 2001
From: Eric Leblond <eric@regit.org>
Date: Sat, 6 Jan 2018 10:01:55 +0100
Subject: [PATCH] conf: add function to get child with default

---
 src/conf.c | 13 +++++++++++++
 src/conf.h |  1 +
 2 files changed, 14 insertions(+)

diff --git a/src/conf.c b/src/conf.c
index 5ea30fc603..4d7ad84be5 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -399,6 +399,19 @@ int ConfGetChildValue(const ConfNode *base, const char *name, const char **vptr)
     }
 }
 
+ConfNode *ConfGetChildWithDefault(const ConfNode *base, const ConfNode *dflt,
+    const char *name)
+{
+    ConfNode *node = ConfNodeLookupChild(base, name);
+    if (node != NULL)
+        return node;
+
+    /* Get 'default' value */
+    if (dflt) {
+        return ConfNodeLookupChild(dflt, name);
+    }
+    return NULL;
+}
 
 int ConfGetChildValueWithDefault(const ConfNode *base, const ConfNode *dflt,
     const char *name, const char **vptr)
diff --git a/src/conf.h b/src/conf.h
index 171cc83db5..e44a45d5ce 100644
--- a/src/conf.h
+++ b/src/conf.h
@@ -82,6 +82,7 @@ int ConfValIsFalse(const char *val);
 void ConfNodePrune(ConfNode *node);
 int ConfRemove(const char *name);
 
+ConfNode *ConfGetChildWithDefault(const ConfNode *base, const ConfNode *dflt, const char *name);
 ConfNode *ConfNodeLookupKeyValue(const ConfNode *base, const char *key, const char *value);
 int ConfGetChildValue(const ConfNode *base, const char *name, const char **vptr);
 int ConfGetChildValueInt(const ConfNode *base, const char *name, intmax_t *val);
-- 
2.47.2