Memory leak - data tree with top level siblings

[lukasmacko]

#include <stdio.h>
#include <stdlib.h>
#include <libyang/libyang.h>

int main(int argc, char **argv)
{
    struct ly_ctx *ctx = ly_ctx_new(".");

    if (NULL == ly_ctx_load_module(ctx, "test-module", NULL)){
        puts("load module failed");
        return 1;
    }   
    struct lyd_node *data = lyd_parse_path(ctx, "test-module.data", LYD_XML, 0); 
    if (NULL == data){
        puts("load data failed");
        return 1;
    }   
    lyd_free_withsiblings(data);

    ly_ctx_destroy(ctx, NULL);
    return 0;
}

test-module.data

<main xmlns="urn:ietf:params:xml:ns:yang:test-module">
  <enum>maybe</enum>
  <raw>SGVsbG8gd29ybGQh</raw>
  <options>strict recursive</options>
  <dec64>9.85</dec64>
  <i8>8</i8>
  <i16>16</i16>
  <i32>32</i32>
  <i64>64</i64>
  <ui8>8</ui8>
  <ui16>16</ui16>
  <ui32>32</ui32>
  <ui64>64</ui64>
  <empty/>
  <boolean>true</boolean>
  <string>str</string>
  <id_ref>id_1</id_ref>
  <numbers>1</numbers>
  <numbers>2</numbers>
  <numbers>42</numbers>
</main>
<list xmlns="urn:ietf:params:xml:ns:yang:test-module">
  <key>k2</key>
  <id_ref>id_2</id_ref>
  <union>infinity</union>
</list>
<list xmlns="urn:ietf:params:xml:ns:yang:test-module">
  <key>k1</key>
  <id_ref>id_1</id_ref>
  <union>42</union>
  <wireless/>
</list>

test-module.yin

<?xml version="1.0" encoding="UTF-8"?>
<module name="test-module"
        xmlns="urn:ietf:params:xml:ns:yang:yin:1"
        xmlns:tm="urn:ietf:params:xml:ns:yang:test-module">
  <namespace uri="urn:ietf:params:xml:ns:yang:test-module"/>
  <prefix value="tm"/>
  <organization>
    <text>organization</text>
  </organization>
  <description>
    <text>example yang module</text>
  </description>
  <contact>
    <text>example@example.org</text>
  </contact>
  <container name="main">
    <leaf name="enum">
      <type name="enumeration">
        <enum name="yes">
          <value value="1"/>
        </enum>
        <enum name="no">
          <value value="2"/>
        </enum>
        <enum name="maybe">
          <value value="3"/>
        </enum>
      </type>
    </leaf>
    <leaf name="options">
      <type name="bits">
        <bit name="strict"/>
        <bit name="recursive"/>
        <bit name="logging"/>
      </type>
    </leaf>
    <leaf name="raw">
      <type name="binary"/>
    </leaf>
    <leaf name="dec64">
      <type name="decimal64">
        <fraction-digits value="2"/>
      </type>
    </leaf>
    <leaf name="i8">
      <type name="int8"/>
    </leaf>
    <leaf name="i16">
      <type name="int16"/>
    </leaf>
    <leaf name="i32">
      <type name="int32"/>
    </leaf>
    <leaf name="i64">
      <type name="int64"/>
    </leaf>
    <leaf name="ui8">
      <type name="uint8"/>
    </leaf>
    <leaf name="ui16">
      <type name="uint16"/>
    </leaf>
    <leaf name="ui32">
      <type name="uint32"/>
    </leaf>
    <leaf name="ui64">
      <type name="uint64"/>
    </leaf>
    <leaf name="empty">
      <type name="empty"/>
    </leaf>
    <leaf name="boolean">
      <type name="boolean"/>
    </leaf>
    <leaf name="string">
      <type name="string"/>
    </leaf>
    <leaf name="id_ref">
      <type name="identityref">
        <base name="base_id"/>
      </type>
    </leaf>
    <leaf-list name="numbers">
      <type name="uint8"/>
    </leaf-list>
  </container>
  <identity name="base_id"/>
  <identity name="id_1">
    <base name="base_id"/>
  </identity>
  <identity name="id_2">
    <base name="base_id"/>
  </identity>
  <list name="list">
    <key value="key"/>
    <leaf name="key">
      <type name="string"/>
    </leaf>
    <leaf name="id_ref">
      <type name="identityref">
        <base name="base_id"/>
      </type>
    </leaf>
    <leaf name="union">
      <type name="union">
        <type name="uint8"/>
        <type name="enumeration">
          <enum name="infinity"/>
        </type>
      </type>
    </leaf>
    <container name="wireless">
      <presence value="wireless is enabled"/>
      <leaf name="vendor_name">
        <type name="string"/>
      </leaf>
    </container>
  </list>
</module>