From eb4204fe765c2e77e11890e4f4046a8c025cd640 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Sat, 25 Feb 2017 22:38:13 -0800
Subject: [PATCH] Fix two bugs. One was caused by the previous commit. The
 other was created by using invalid memory.

---
 src/pattern.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/pattern.c b/src/pattern.c
index a581e30..125c08e 100644
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -328,7 +328,7 @@ liblex_result _pattern_build_chain(pattern_chain** into, int* ids, int pattern_i
         result = _pattern_chain_create(&current_chain, NULL, NULL);
         (*index)++;
       }
-    } if(string[*index] == '.') {
+    } else if(string[*index] == '.') {
       pattern_node* new_node = NULL;
       _pattern_chain_append_chain_discard(current_chain, &sub_chain);
       result = _pattern_chain_create(&sub_chain, NULL, NULL);
@@ -438,6 +438,8 @@ liblex_result pattern_compile(pattern* ptrn, char* expression, int id){
     ptrn->size = ids + 1;
     free(full_chain);
   } else {
+    ptrn->head = NULL;
+    ptrn->size = 0;
     if(full_chain){
       _pattern_free(full_chain->head, ids);
     }