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21#ifndef _tdsguard_dWrEWKe6Aqdq6AyZsaKD0V_
22#define _tdsguard_dWrEWKe6Aqdq6AyZsaKD0V_
24#ifndef _freetds_config_h_
25#error should include config.h before
32#define TDS_ZERO_FREE(x) do {free((x)); (x) = NULL;} while(0)
33#define TDS_VECTOR_SIZE(x) (sizeof(x)/sizeof(x[0]))
36#define TDS_OFFSET(type, field) offsetof(type, field)
38#define TDS_OFFSET(type, field) (((char*)&((type*)0)->field)-((char*)0))
41#if ENABLE_EXTRA_CHECKS
42# if defined(__llvm__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
43# define TDS_COMPILE_CHECK(name,check) \
44 _Static_assert(check,#name)
46# define TDS_COMPILE_CHECK(name,check) \
47 extern int name[(check)?1:-1] TDS_UNUSED
49# define TDS_EXTRA_CHECK(stmt) stmt
51# define TDS_COMPILE_CHECK(name,check) \
52 extern int disabled_check_##name TDS_UNUSED
53# define TDS_EXTRA_CHECK(stmt)
56#if defined(__GNUC__) && __GNUC__ >= 3
57# define TDS_LIKELY(x) __builtin_expect(!!(x), 1)
58# define TDS_UNLIKELY(x) __builtin_expect(!!(x), 0)
60# define TDS_LIKELY(x) (x)
61# define TDS_UNLIKELY(x) (x)
64#if ENABLE_EXTRA_CHECKS && defined(__GNUC__) && __GNUC__ >= 4
65#define TDS_WUR __attribute__ ((__warn_unused_result__))
70#if defined(__GNUC__) && __GNUC__ >= 2
71#define TDS_UNUSED __attribute__ ((unused))
76#define TDS_INT2PTR(i) ((void*)(((char*)0)+((ptrdiff_t)(i))))
77#define TDS_PTR2INT(p) ((int)(((char*)(p))-((char*)0)))
79#define TDS_MAX(a,b) ( (a) > (b) ? (a) : (b) )
80#define TDS_MIN(a,b) ( (a) < (b) ? (a) : (b) )
81#define TDS_CLAMP(x,a,b) ( (x) < (a) ? (a) : (x) > (b) ? (b) : (x) )
83#define tds_new(type, n) ((type *) malloc(sizeof(type) * (n)))
84#define tds_new0(type, n) ((type *) calloc(n, sizeof(type)))