core: new boxed type for NULL-terminated array of gpointers

2 files changed, 39 insertions, 0 deletions

diff --git a/src/mm-private-boxed-types.c b/src/mm-private-boxed-types.c
index ad9d62d1..1f5d6a8b 100644
--- a/src/mm-private-boxed-types.c
+++ b/src/mm-private-boxed-types.c
@@ -50,3 +50,39 @@ mm_uint16_array_get_type (void)
 
     return g_define_type_id__volatile;
 }
+
+
+static gpointer *
+pointer_array_copy (gpointer *array)
+{
+    gpointer *dup;
+    guint i;
+
+    if (!array)
+        return NULL;
+
+    /* Get NULL-terminated array size */
+    for (i = 0; array[i]; i++);
+
+    dup = g_new (gpointer, i + 1);
+    memcpy (dup, array, i * sizeof (gpointer));
+    dup[i] = NULL;
+    return dup;
+}
+
+GType
+mm_pointer_array_get_type (void)
+{
+    static volatile gsize g_define_type_id__volatile = 0;
+
+    if (g_once_init_enter (&g_define_type_id__volatile)) {
+        GType g_define_type_id =
+            g_boxed_type_register_static (g_intern_static_string ("MMPointerArray"),
+                                          (GBoxedCopyFunc) pointer_array_copy,
+                                          (GBoxedFreeFunc) g_free);
+
+        g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+    }
+
+    return g_define_type_id__volatile;
+}
diff --git a/src/mm-private-boxed-types.h b/src/mm-private-boxed-types.h
index e13aaf9d..661ce991 100644
--- a/src/mm-private-boxed-types.h
+++ b/src/mm-private-boxed-types.h
@@ -23,6 +23,9 @@ G_BEGIN_DECLS
 GType mm_uint16_array_get_type (void) G_GNUC_CONST;
 #define MM_TYPE_UINT16_ARRAY (mm_uint16_array_get_type ())
 
+GType mm_pointer_array_get_type (void) G_GNUC_CONST;
+#define MM_TYPE_POINTER_ARRAY (mm_pointer_array_get_type ())
+
 G_END_DECLS
 
 #endif /* __MM_PRIVATE_BOXED_TYPES_H__ */