shared: add nm_auto_vfree macro

This really is the same as gs_strfreev / g_strfreev().
However, the difference is, that the former has the notion
of freeing strv arrays (char **), while this in general
frees an array of pointers. Implementation-wise, they are
the same.

1 files changed, 17 insertions, 0 deletions

diff --git a/shared/nm-utils/nm-macros-internal.h b/shared/nm-utils/nm-macros-internal.h
index e60bacebdc..5de0536796 100644
--- a/shared/nm-utils/nm-macros-internal.h
+++ b/shared/nm-utils/nm-macros-internal.h
@@ -161,6 +161,23 @@ _nm_auto_unref_gsource (GSource **ptr)
 }
 #define nm_auto_unref_gsource nm_auto(_nm_auto_unref_gsource)
 
+static inline void
+_nm_auto_freev (gpointer ptr)
+{
+	gpointer **p = ptr;
+	gpointer *_ptr;
+
+	if (*p) {
+		for (_ptr = *p; *_ptr; _ptr++)
+			g_free (*_ptr);
+		g_free (*p);
+	}
+}
+/* g_free a NULL terminated array of pointers, with also freeing each
+ * pointer with g_free(). It essentially does the same as
+ * gs_strfreev / g_strfreev(), but not restricted to strv arrays. */
+#define nm_auto_freev nm_auto(_nm_auto_freev)
+
 /*****************************************************************************/
 
 /* http://stackoverflow.com/a/11172679 */