From b70fa29511471e8a85f9b8c3e8947dbb3c21dedb Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Tue, 27 May 2014 14:01:20 -0400
Subject: pattern: Kill ->ptr field.

---
 libdimension/pattern.c | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

(limited to 'libdimension/pattern.c')

diff --git a/libdimension/pattern.c b/libdimension/pattern.c
index 2a7dca6..56c7c48 100644
--- a/libdimension/pattern.c
+++ b/libdimension/pattern.c
@@ -25,25 +25,35 @@
 
 #include "dimension-internal.h"
 
+static void
+dmnsn_default_pattern_free_fn(dmnsn_pattern *pattern)
+{
+  dmnsn_free(pattern);
+}
+
 /* Allocate a dummy pattern */
 dmnsn_pattern *
 dmnsn_new_pattern(void)
 {
   dmnsn_pattern *pattern = DMNSN_MALLOC(dmnsn_pattern);
-  pattern->free_fn = NULL;
-  DMNSN_REFCOUNT_INIT(pattern);
+  dmnsn_init_pattern(pattern);
   return pattern;
 }
 
+/* Initialize a pattern */
+void
+dmnsn_init_pattern(dmnsn_pattern *pattern)
+{
+  pattern->free_fn = dmnsn_default_pattern_free_fn;
+  DMNSN_REFCOUNT_INIT(pattern);
+}
+
 /* Delete a pattern */
 void
 dmnsn_delete_pattern(dmnsn_pattern *pattern)
 {
   if (DMNSN_DECREF(pattern)) {
-    if (pattern->free_fn) {
-      pattern->free_fn(pattern->ptr);
-    }
-    dmnsn_free(pattern);
+    pattern->free_fn(pattern);
   }
 }
 
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