[libgsystem] localalloc: Add gs_unref_bytes()

[Colin Walters <walters src gnome org>]

commit 4150e6336881faec1a31f557567ca89c283b38c9
Author: Colin Walters <walters verbum org>
Date:   Wed Aug 14 14:34:38 2013 +0200

    localalloc: Add gs_unref_bytes()
    
    Since I'm using these more now in ostree, and let's be comprehensive.

 gsystem-local-alloc.c |    6 ++++++
 gsystem-local-alloc.h |   10 ++++++++++
 2 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/gsystem-local-alloc.c b/gsystem-local-alloc.c
index fa90654..3c3d50a 100644
--- a/gsystem-local-alloc.c
+++ b/gsystem-local-alloc.c
@@ -136,3 +136,9 @@ gs_local_checksum_free (void *loc)
 {
   _gs_local_free(GChecksum, g_checksum_free);
 }
+
+void
+gs_local_bytes_unref (void *loc)
+{
+  _gs_local_free(GBytes, g_bytes_unref);
+}
diff --git a/gsystem-local-alloc.h b/gsystem-local-alloc.h
index 9f855d2..71ff07d 100644
--- a/gsystem-local-alloc.h
+++ b/gsystem-local-alloc.h
@@ -39,6 +39,7 @@ void gs_local_array_unref (void *loc);
 void gs_local_ptrarray_unref (void *loc);
 void gs_local_hashtable_unref (void *loc);
 void gs_local_checksum_free (void *loc);
+void gs_local_bytes_unref (void *loc);
 
 /**
  * gs_free:
@@ -119,6 +120,15 @@ void gs_local_checksum_free (void *loc);
  */
 #define gs_free_checksum __attribute__ ((cleanup(gs_local_checksum_free)))
 
+/**
+ * gs_unref_bytes:
+ *
+ * Call g_bytes_unref() on a variable location when it goes out
+ * of scope.  Note that unlike g_bytes_unref(), the variable may
+ * be %NULL.
+ */
+#define gs_unref_bytes __attribute__ ((cleanup(gs_local_bytes_unref)))
+
 G_END_DECLS
 
 #endif