localalloc: Add gs_fd_close cleanup

Now that we're encouraging use of openat(), fds are a lot more
prevalent.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/gsystem-local-alloc.h b/src/gsystem-local-alloc.h
index 71f444b..51b6251 100644
--- a/src/gsystem-local-alloc.h
+++ b/src/gsystem-local-alloc.h
@@ -184,6 +184,25 @@ GS_DEFINE_CLEANUP_FUNCTION0(GError*, gs_local_free_error, g_error_free)
 #define gs_unref_keyfile __attribute__ ((cleanup(gs_local_keyfile_unref)))
 GS_DEFINE_CLEANUP_FUNCTION0(GKeyFile*, gs_local_keyfile_unref, g_key_file_unref)
 
+static inline void
+gs_cleanup_close_fdp (int *fdp)
+{
+  int fd;
+
+  g_assert (fdp);
+  
+  fd = *fdp;
+  if (fd != -1)
+    (void) close (fd);
+}
+
+/**
+ * gs_fd_close:
+ *
+ * Call close() on a variable location when it goes out of scope.
+ */
+#define gs_fd_close __attribute__((cleanup(gs_cleanup_close_fdp)))
+
 G_END_DECLS
 
 #endif