[gobject-introspection] [girepository] Support strict align platforms

[Johan Dahlin <johan src gnome org>]

commit 065f446de2c40b50ab103976cf2c2f10f5fb38f6
Author: Joe Marcus Clarke <marcus freebsd org>
Date:   Tue Sep 7 11:42:49 2010 -0300

    [girepository] Support strict align platforms
    
    Such as Sparc64.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=620769

 girepository/giconstantinfo.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/girepository/giconstantinfo.c b/girepository/giconstantinfo.c
index b6b67d1..0c40d8a 100644
--- a/girepository/giconstantinfo.c
+++ b/girepository/giconstantinfo.c
@@ -64,6 +64,9 @@ g_constant_info_get_type (GIConstantInfo *info)
   return _g_type_info_new ((GIBaseInfo*)info, rinfo->typelib, rinfo->offset + 8);
 }
 
+#define DO_ALIGNED_COPY(dest_addr, src_addr, type) \
+        memcpy((dest_addr), (src_addr), sizeof(type))
+
 /**
  * g_constant_info_get_value: (skip)
  * @info: a #GIConstantInfo
@@ -118,16 +121,16 @@ g_constant_info_get_value (GIConstantInfo *info,
 	      value->v_uint32 = *(guint32*)&rinfo->typelib->data[blob->offset];
 	      break;
 	    case GI_TYPE_TAG_INT64:
-	      value->v_int64 = *(gint64*)&rinfo->typelib->data[blob->offset];
+	      DO_ALIGNED_COPY(&value->v_int64, &rinfo->typelib->data[blob->offset], gint64);
 	      break;
 	    case GI_TYPE_TAG_UINT64:
-	      value->v_uint64 = *(guint64*)&rinfo->typelib->data[blob->offset];
+	      DO_ALIGNED_COPY(&value->v_uint64, &rinfo->typelib->data[blob->offset], guint64);
 	      break;
 	    case GI_TYPE_TAG_FLOAT:
-	      value->v_float = *(gfloat*)&rinfo->typelib->data[blob->offset];
+	      DO_ALIGNED_COPY(&value->v_float, &rinfo->typelib->data[blob->offset], gfloat);
 	      break;
 	    case GI_TYPE_TAG_DOUBLE:
-	      value->v_double = *(gdouble*)&rinfo->typelib->data[blob->offset];
+	      DO_ALIGNED_COPY(&value->v_double, &rinfo->typelib->data[blob->offset], gdouble);
 	      break;
 	    }
 	}