For some reason clang does not support &((struct foo*)0)->field in
static assertion contrary to gcc.
Use offsetof() macro implementation provided by both compilers instead.
Type: fix
Change-Id: I3311cdd29c5861e45dc0ef92f2bbd66242ca73b8
Signed-off-by: Benoît Ganne <bganne@cisco.com>
#ifndef included_clib_h
#define included_clib_h
#ifndef included_clib_h
#define included_clib_h
#include <vppinfra/config.h>
#ifdef __x86_64__
#include <vppinfra/config.h>
#ifdef __x86_64__
#define ARRAY_LEN(x) (sizeof (x)/sizeof (x[0]))
#define _STRUCT_FIELD(t,f) (((t *) 0)->f)
#define ARRAY_LEN(x) (sizeof (x)/sizeof (x[0]))
#define _STRUCT_FIELD(t,f) (((t *) 0)->f)
-#define STRUCT_OFFSET_OF(t,f) ((uword) & _STRUCT_FIELD (t, f))
-#define STRUCT_BIT_OFFSET_OF(t,f) (BITS(u8) * (uword) & _STRUCT_FIELD (t, f))
+#define STRUCT_OFFSET_OF(t,f) offsetof(t, f)
+#define STRUCT_BIT_OFFSET_OF(t,f) (BITS(u8) * STRUCT_OFFSET_OF (t, f))
#define STRUCT_SIZE_OF(t,f) (sizeof (_STRUCT_FIELD (t, f)))
#define STRUCT_BITS_OF(t,f) (BITS (_STRUCT_FIELD (t, f)))
#define STRUCT_ARRAY_LEN(t,f) ARRAY_LEN (_STRUCT_FIELD (t, f))
#define STRUCT_SIZE_OF(t,f) (sizeof (_STRUCT_FIELD (t, f)))
#define STRUCT_BITS_OF(t,f) (BITS (_STRUCT_FIELD (t, f)))
#define STRUCT_ARRAY_LEN(t,f) ARRAY_LEN (_STRUCT_FIELD (t, f))
} while (0)
#endif /* __COVERITY */
} while (0)
#endif /* __COVERITY */
-#if defined(__clang__)
-#define STATIC_ASSERT(truth,...)
-#else
#define STATIC_ASSERT(truth,...) _Static_assert(truth, __VA_ARGS__)
#define STATIC_ASSERT(truth,...) _Static_assert(truth, __VA_ARGS__)
#define STATIC_ASSERT_SIZEOF(d, s) \
STATIC_ASSERT (sizeof (d) == s, "Size of " #d " must be " # s " bytes")
#define STATIC_ASSERT_SIZEOF(d, s) \
STATIC_ASSERT (sizeof (d) == s, "Size of " #d " must be " # s " bytes")