commit f2b91e012f444e937547051ea53a91c4afc356e6
author Václav Kubernát <kubernat@cesnet.cz> Thu Apr 11 15:36:48 2019 +0200
committer Václav Kubernát <kubernat@cesnet.cz> Thu Apr 11 16:03:43 2019 +0200
tree 74749ec9c55c99c5b0fc90b3007638e72c54001c
parent 607044595c7521189d89c0247f6b8c1d0b723b53

Fix error logging when finding a node

It seems there is no other way to fix this other than disabling all
errors.
https://github.com/CESNET/libyang/issues/642
https://github.com/CESNET/libyang/issues/753

Issue: https://tree.taiga.io/project/jktjkt-netconf-cli/issue/50
Change-Id: I0bdc9e8d519c5c4613aa45cd4ec26b5835977f7c

src/yang_schema.cpp

diff --git a/src/yang_schema.cpp b/src/yang_schema.cpp
index 757c9f4..6431500 100644
--- a/src/yang_schema.cpp
+++ b/src/yang_schema.cpp
@@ -9,6 +9,7 @@
 #include <libyang/Libyang.hpp>
 #include <libyang/Tree_Schema.hpp>
 #include <string_view>
+#include "UniqueResource.h"
 #include "utils.hpp"
 #include "yang_schema.hpp"
 
@@ -197,7 +198,21 @@
 {
     std::string absPath = location.m_nodes.empty() ? "" : "/";
     absPath += pathToAbsoluteSchemaString(location) + "/" + fullNodeName(location, node);
-    return m_context->find_path(absPath.c_str());
+
+    // If no node is found find_path prints an error message, so we have to
+    // disable logging
+    // https://github.com/CESNET/libyang/issues/753
+    {
+        int oldOptions;
+        auto logBlocker = make_unique_resource(
+            [&oldOptions]() {
+                oldOptions = libyang::set_log_options(0);
+            },
+            [&oldOptions]() {
+                libyang::set_log_options(oldOptions);
+            });
+        return m_context->find_path(absPath.c_str());
+    }
 }
 
 libyang::S_Schema_Node YangSchema::getSchemaNode(const schemaPath_& location, const ModuleNodePair& node) const