From 39be7a8fce1c062a59590517bdab5e75a2d6028f Mon Sep 17 00:00:00 2001 From: Victor Toso Date: Fri, 14 Aug 2015 18:24:23 +0200 Subject: macros: fix alignment issue reported by clang char_device.c:131:52: warning: cast from 'uint8_t *' (aka 'unsigned char *') to 'SpiceCharDeviceMsgToClientItem *' (aka 'struct SpiceCharDeviceMsgToClientItem *') increases required alignment from 1 to 8 [-Wcast-align] SpiceCharDeviceMsgToClientItem *msg_item = SPICE_CONTAINEROF(item, ^~~~~~~~~~~~~~~~~~~~~~~ ../spice-common/spice-protocol/spice/macros.h:142:6: note: expanded from macro 'SPICE_CONTAINEROF' ((struct_type *)((uint8_t *)(ptr) - SPICE_OFFSETOF(struct_type, member))) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --- spice/macros.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/spice/macros.h b/spice/macros.h index 034caf7..29cdf82 100644 --- a/spice/macros.h +++ b/spice/macros.h @@ -140,7 +140,7 @@ #endif #define SPICE_CONTAINEROF(ptr, struct_type, member) \ - ((struct_type *)((uint8_t *)(ptr) - SPICE_OFFSETOF(struct_type, member))) + ((struct_type *)(void *)((uint8_t *)(ptr) - SPICE_OFFSETOF(struct_type, member))) #define SPICE_MEMBER_P(struct_p, struct_offset) \ ((gpointer) ((guint8*) (struct_p) + (glong) (struct_offset))) -- cgit