21#ifndef _freetds_macros_h_
22#define _freetds_macros_h_
24#ifndef _freetds_config_h_
25#error should include config.h before
32#include "tds_sysdep_public.h"
34#define TDS_ZERO_FREE(x) do {free((x)); (x) = NULL;} while(0)
35#define TDS_VECTOR_SIZE(x) (sizeof(x)/sizeof(x[0]))
38#define TDS_OFFSET(type, field) offsetof(type, field)
40#define TDS_OFFSET(type, field) (((char*)&((type*)0)->field)-((char*)0))
43#if ENABLE_EXTRA_CHECKS
44# if defined(__llvm__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
45# define TDS_COMPILE_CHECK(name,check) \
46 _Static_assert(check,#name)
47# elif defined(__GNUC__) && __GNUC__ >= 2
48# define TDS_COMPILE_CHECK(name,check) \
49 extern int name[(check)?1:-1] __attribute__ ((unused))
51# define TDS_COMPILE_CHECK(name,check) \
52 extern int name[(check)?1:-1]
54# define TDS_EXTRA_CHECK(stmt) stmt
56# define TDS_COMPILE_CHECK(name,check) \
57 extern int disabled_check_##name
58# define TDS_EXTRA_CHECK(stmt)
61#if defined(__GNUC__) && __GNUC__ >= 3
62# define TDS_LIKELY(x) __builtin_expect(!!(x), 1)
63# define TDS_UNLIKELY(x) __builtin_expect(!!(x), 0)
65# define TDS_LIKELY(x) (x)
66# define TDS_UNLIKELY(x) (x)
69#if ENABLE_EXTRA_CHECKS && defined(__GNUC__) && __GNUC__ >= 4
70#define TDS_WUR __attribute__ ((__warn_unused_result__))
75#define TDS_INT2PTR(i) ((void*)(((char*)0)+((intptr_t)(i))))
76#define TDS_PTR2INT(p) ((int)(((char*)(p))-((char*)0)))