From c90d46c4d12eaa7a29945e03a7f715db4b74686e Mon Sep 17 00:00:00 2001
From: Sam Hatchett <samhatchett@gmail.com>
Date: Wed, 28 Jun 2017 12:13:44 -0400
Subject: [PATCH 1/2] Create LICENSE

---
 LICENSE | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 LICENSE

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..c03f27e
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Open Water Analytics
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

From 5d687d7d2ca88a535bd6110e4797d310a9511c0e Mon Sep 17 00:00:00 2001
From: Markus Sunela <30700548+makusuko@users.noreply.github.com>
Date: Thu, 2 May 2019 16:35:55 +0300
Subject: [PATCH 2/2] Fixed NULL pointer error, if no label is provided after
 the rule keyword.

---
 src/rules.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/rules.c b/src/rules.c
index 7ad038f..fc63a1c 100755
--- a/src/rules.c
+++ b/src/rules.c
@@ -237,7 +237,13 @@ int  ruledata()
    {
       case -1:     err = 201;      /* Unrecognized keyword */
                    break;
-      case r_RULE: Nrules++;
+      case r_RULE: /* Missing the rule label -> set error */
+                   if (parser->Ntokens != 2)
+                   {
+                      err = 201;
+                      break;
+                   }
+                   Nrules++;
                    newrule();
                    RuleState = r_RULE;
                    break;