From 3c2d45918f7fb77caa44e1b3781e83a7549b1010 Mon Sep 17 00:00:00 2001
From: bartpolot <bartpolot@140774ce-b5e7-0310-ab8b-a85725594a96>
Date: Tue, 5 Feb 2013 17:49:08 +0000
Subject: - doc, fixes

git-svn-id: https://gnunet.org/svn/gnunet@26027 140774ce-b5e7-0310-ab8b-a85725594a96
---
 src/regex/regex_test_lib.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/regex/regex_test_lib.c b/src/regex/regex_test_lib.c
index 7a11fe05ec..88a76fa27c 100644
--- a/src/regex/regex_test_lib.c
+++ b/src/regex/regex_test_lib.c
@@ -28,13 +28,35 @@
 #include "platform.h"
 #include "gnunet_util_lib.h"
 
+
+/**
+ * Struct to hold the tree formed by prefix-combining the regexes.
+ */
 struct RegexCombineCtx {
+
+  /**
+   * Next node with same prefix but different token.
+   */
   struct RegexCombineCtx *next;
+
+  /**
+   * Prev node with same prefix but different token.
+   */
   struct RegexCombineCtx *prev;
 
+  /**
+   * First child node with same prefix and token.
+   */
   struct RegexCombineCtx *head;
+
+  /**
+   * Last child node.
+   */
   struct RegexCombineCtx *tail;
 
+  /**
+   * Token.
+   */
   char *s;
 };
 
@@ -258,10 +280,11 @@ GNUNET_REGEX_read_from_file (const char *filename)
     else
     {
       len -= 6;
-      buffer[len] = '\0';
+      regex[len] = '\0';
     }
     regex = GNUNET_realloc (regex, len + 1);
     GNUNET_array_grow (regexes, nr, nr + 1);
+    GNUNET_assert (NULL == regexes[nr - 2]);
     regexes[nr - 2] = regex;
     regexes[nr - 1] = NULL;
     regex = NULL;
-- 
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