trivial: Add a header file to be able to use _cleanup_(free)

2 files changed, 92 insertions, 0 deletions

diff --git a/gusb/Makefile.am b/gusb/Makefile.am
index 6466274..3c7bc5a 100644
--- a/gusb/Makefile.am
+++ b/gusb/Makefile.am
@@ -30,6 +30,7 @@ libgusbbase_include_HEADERS =					\
 	gusb-util.h
 
 libgusb_la_SOURCES =						\
+	gusb-cleanup.h						\
 	gusb-context.c						\
 	gusb-device.c						\
 	gusb-device-list.c					\
diff --git a/gusb/gusb-cleanup.h b/gusb/gusb-cleanup.h
new file mode 100644
index 0000000..a9c6809
--- /dev/null
+++ b/gusb/gusb-cleanup.h
@@ -0,0 +1,91 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2012 Colin Walters <walters@verbum.org>.
+ * Copyright (C) 2014 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2.1
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef __GUSB_CLEANUP_H__
+#define __GUSB_CLEANUP_H__
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define GS_DEFINE_CLEANUP_FUNCTION(Type, name, func) \
+  static inline void name (void *v) \
+  { \
+    func (*(Type*)v); \
+  }
+
+#define GS_DEFINE_CLEANUP_FUNCTION0(Type, name, func) \
+  static inline void name (void *v) \
+  { \
+    if (*(Type*)v) \
+      func (*(Type*)v); \
+  }
+
+#define GS_DEFINE_CLEANUP_FUNCTIONt(Type, name, func) \
+  static inline void name (void *v) \
+  { \
+    if (*(Type*)v) \
+      func (*(Type*)v, TRUE); \
+  }
+
+GS_DEFINE_CLEANUP_FUNCTION0(GArray*, gs_local_array_unref, g_array_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GBytes*, gs_local_bytes_unref, g_bytes_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GChecksum*, gs_local_checksum_free, g_checksum_free)
+GS_DEFINE_CLEANUP_FUNCTION0(GDir*, gs_local_dir_close, g_dir_close)
+GS_DEFINE_CLEANUP_FUNCTION0(GError*, gs_local_free_error, g_error_free)
+GS_DEFINE_CLEANUP_FUNCTION0(GHashTable*, gs_local_hashtable_unref, g_hash_table_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GKeyFile*, gs_local_keyfile_unref, g_key_file_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GMarkupParseContext*, gs_local_markup_parse_context_unref, g_markup_parse_context_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GObject*, gs_local_obj_unref, g_object_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GPtrArray*, gs_local_ptrarray_unref, g_ptr_array_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GTimer*, gs_local_destroy_timer, g_timer_destroy)
+GS_DEFINE_CLEANUP_FUNCTION0(GVariantBuilder*, gs_local_variant_builder_unref, g_variant_builder_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GVariant*, gs_local_variant_unref, g_variant_unref)
+GS_DEFINE_CLEANUP_FUNCTION0(GVariantIter*, gs_local_variant_iter_free, g_variant_iter_free)
+
+GS_DEFINE_CLEANUP_FUNCTIONt(GString*, gs_local_free_string, g_string_free)
+
+GS_DEFINE_CLEANUP_FUNCTION(char**, gs_local_strfreev, g_strfreev)
+GS_DEFINE_CLEANUP_FUNCTION(GList*, gs_local_free_list, g_list_free)
+GS_DEFINE_CLEANUP_FUNCTION(void*, gs_local_free, g_free)
+
+#define _cleanup_dir_close_ __attribute__ ((cleanup(gs_local_dir_close)))
+#define _cleanup_timer_destroy_ __attribute__ ((cleanup(gs_local_destroy_timer)))
+#define _cleanup_free_ __attribute__ ((cleanup(gs_local_free)))
+#define _cleanup_checksum_free_ __attribute__ ((cleanup(gs_local_checksum_free)))
+#define _cleanup_error_free_ __attribute__ ((cleanup(gs_local_free_error)))
+#define _cleanup_list_free_ __attribute__ ((cleanup(gs_local_free_list)))
+#define _cleanup_string_free_ __attribute__ ((cleanup(gs_local_free_string)))
+#define _cleanup_strv_free_ __attribute__ ((cleanup(gs_local_strfreev)))
+#define _cleanup_variant_iter_free_ __attribute__ ((cleanup(gs_local_variant_iter_free)))
+#define _cleanup_array_unref_ __attribute__ ((cleanup(gs_local_array_unref)))
+#define _cleanup_bytes_unref_ __attribute__ ((cleanup(gs_local_bytes_unref)))
+#define _cleanup_hashtable_unref_ __attribute__ ((cleanup(gs_local_hashtable_unref)))
+#define _cleanup_keyfile_unref_ __attribute__ ((cleanup(gs_local_keyfile_unref)))
+#define _cleanup_markup_parse_context_unref_ __attribute__ ((cleanup(gs_local_markup_parse_context_unref)))
+#define _cleanup_object_unref_ __attribute__ ((cleanup(gs_local_obj_unref)))
+#define _cleanup_ptrarray_unref_ __attribute__ ((cleanup(gs_local_ptrarray_unref)))
+#define _cleanup_variant_unref_ __attribute__ ((cleanup(gs_local_variant_unref)))
+
+G_END_DECLS
+
+#endif