[gnome-builder] auto-indent: handle parse failures a bit more gracefully.

[Christian Hergert <chergert src gnome org>]

commit 633c7b8416aed579d8aedec69c00c3a97f4a41ce
Author: Christian Hergert <christian hergert me>
Date:   Sat Sep 20 14:06:00 2014 -0700

    auto-indent: handle parse failures a bit more gracefully.

 src/editor/c-parse-helper.c |   29 +++++++++++++++++------------
 tests/test-c-parse-helper.c |   10 ++++++++++
 2 files changed, 27 insertions(+), 12 deletions(-)
---
diff --git a/src/editor/c-parse-helper.c b/src/editor/c-parse-helper.c
index d73d339..29b189e 100644
--- a/src/editor/c-parse-helper.c
+++ b/src/editor/c-parse-helper.c
@@ -166,26 +166,31 @@ parse_parameters (const gchar *text)
           const gchar *name_sep;
           Parameter param = { 0 };
           gboolean success = FALSE;
-          gchar *reversed;
-          gchar *name_rev;
+          gchar *reversed = NULL;
+          gchar *name_rev = NULL;
 
           reversed = g_utf8_strreverse (word, -1);
           name_sep = strpbrk (reversed, "\t\n *");
-          name_rev = g_strndup (reversed, name_sep - reversed);
 
-          param.name = g_strstrip (g_utf8_strreverse (name_rev, -1));
-          param.type = g_strstrip (g_utf8_strreverse (name_sep, -1));
-
-          if (parameter_validate (&param))
+          if (name_sep && *name_sep && *(name_sep + 1))
             {
-              ret = g_slist_append (ret, parameter_copy (&param));
-              success = TRUE;
+              name_rev = g_strndup (reversed, name_sep - reversed);
+
+              param.name = g_strstrip (g_utf8_strreverse (name_rev, -1));
+              param.type = g_strstrip (g_utf8_strreverse (name_sep, -1));
+
+              if (parameter_validate (&param))
+                {
+                  ret = g_slist_append (ret, parameter_copy (&param));
+                  success = TRUE;
+                }
+
+              g_free (param.name);
+              g_free (param.type);
+              g_free (name_rev);
             }
 
           g_free (reversed);
-          g_free (name_rev);
-          g_free (param.name);
-          g_free (param.type);
 
           if (success)
             continue;
diff --git a/tests/test-c-parse-helper.c b/tests/test-c-parse-helper.c
index 20d2ce1..48f7f31 100644
--- a/tests/test-c-parse-helper.c
+++ b/tests/test-c-parse-helper.c
@@ -60,11 +60,21 @@ test_parse_parameters1 (void)
   g_slist_free (ret);
 }
 
+static void
+test_parse_parameters2 (void)
+{
+  GSList *ret;
+
+  ret = parse_parameters ("abc, def, ghi");
+  g_assert (!ret);
+}
+
 int
 main (int argc,
       char *argv[])
 {
   g_test_init (&argc, &argv, NULL);
   g_test_add_func ("/Parser/C/parse_parameters1", test_parse_parameters1);
+  g_test_add_func ("/Parser/C/parse_parameters2", test_parse_parameters2);
   return g_test_run ();
 }