lighttpd 1.4.x
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262 lines
5.6 KiB
262 lines
5.6 KiB
#ifndef LI_FIRST_H |
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#define LI_FIRST_H |
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#ifdef HAVE_CONFIG_H |
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# include "config.h" |
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#else |
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# ifndef _GNU_SOURCE |
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# define _GNU_SOURCE |
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# endif |
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#endif |
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#ifndef _DEFAULT_SOURCE |
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#define _DEFAULT_SOURCE |
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#endif |
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#ifndef __STDC_WANT_LIB_EXT1__ |
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#define __STDC_WANT_LIB_EXT1__ 1 |
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#endif |
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#ifdef __COVERITY__ |
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#define _Float128 long double |
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#define _Float64x long double |
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#define _Float64 double |
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#define _Float32x double |
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#define _Float32 float |
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#endif |
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/* enable glibc Y2038 64-bit time_t (where available on 32-bit systems) */ |
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#ifdef _ILP32 |
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#ifndef _TIME_BITS |
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#define _TIME_BITS 64 |
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#endif |
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#ifndef _FILE_OFFSET_BITS |
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#define _FILE_OFFSET_BITS 64 |
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#endif |
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#endif |
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#include <sys/types.h> |
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#include <stddef.h> |
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#if defined HAVE_STDINT_H |
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# include <stdint.h> |
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#elif defined HAVE_INTTYPES_H |
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# include <inttypes.h> |
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#endif |
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/* solaris and NetBSD 1.3.x again */ |
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#if (!defined(HAVE_STDINT_H)) && (!defined(HAVE_INTTYPES_H)) && (!defined(uint32_t)) |
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# define uint32_t u_int32_t |
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#endif |
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#include <limits.h> |
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#ifndef SIZE_MAX |
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# ifdef SIZE_T_MAX |
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# define SIZE_MAX SIZE_T_MAX |
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# else |
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# define SIZE_MAX (~(size_t)0u) |
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# endif |
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#endif |
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#ifndef SSIZE_MAX |
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# define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) |
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#endif |
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/* TODO: would be more accurate to create build-system test for sizeof(time_t)*/ |
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#ifndef HAS_TIME_BITS64 |
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#if defined(_LP64) || defined(__LP64__) || defined(_WIN64) |
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#define HAS_TIME_BITS64 1 |
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#elif defined(__TIMESIZE) |
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#if __TIMESIZE == 64 |
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#define HAS_TIME_BITS64 1 |
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#elif defined(__USE_TIME_BITS64) |
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#define HAS_TIME_BITS64 1 |
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#else |
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#define HAS_TIME_BITS64 0 |
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#endif |
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#elif defined(_WIN32) |
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#ifndef _USE_32BIT_TIME_T |
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#define HAS_TIME_BITS64 1 |
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#else |
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#define HAS_TIME_BITS64 0 |
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#endif |
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#elif defined(_ILP32) \ |
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&& !defined(__USE_TIME_BITS64) \ |
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&& !defined(__NetBSD__) && !defined(__OpenBSD__) \ |
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&& (!defined(__FreeBSD__) || !defined(__i386__)) \ |
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&& !(defined(__APPLE__) && defined(__MACH__)) |
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#define HAS_TIME_BITS64 0 |
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#else |
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#define HAS_TIME_BITS64 1 |
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#endif |
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#endif |
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/* non-standard types created for lighttpd for Y2038 problem |
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* reference: https://en.wikipedia.org/wiki/Year_2038_problem */ |
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#if HAS_TIME_BITS64 |
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typedef time_t unix_time64_t; |
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typedef struct timespec unix_timespec64_t; |
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#define TIME64_CAST(t) (t) |
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#else /* !HAS_TIME_BITS64 */ |
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typedef int64_t unix_time64_t; |
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struct unix_timespec64 { |
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unix_time64_t tv_sec; /* seconds */ |
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long tv_nsec; /* nanoseconds */ |
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}; |
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typedef struct unix_timespec64 unix_timespec64_t; |
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#define TIME64_CAST(t) ((unix_time64_t)(uint32_t)(t)) |
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#endif /* !HAS_TIME_BITS64 */ |
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#define UNUSED(x) ( (void)(x) ) |
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#ifndef __has_attribute /* clang */ |
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#define __has_attribute(x) 0 |
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#endif |
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#ifndef __has_builtin /* clang */ |
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#define __has_builtin(x) 0 |
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#endif |
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#ifdef __GNUC__ |
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#ifndef __GNUC_PREREQ |
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# ifdef __GNUC_PREREQ__ |
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# define __GNUC_PREREQ __GNUC_PREREQ__ |
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# elif defined __GNUC__ && defined __GNUC_MINOR__ |
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# define __GNUC_PREREQ(maj, min) \ |
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) |
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# else |
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# define __GNUC_PREREQ(maj, min) 0 |
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# endif |
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#endif |
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#else |
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#define __GNUC_PREREQ(maj,min) 0 |
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#endif |
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#ifndef __builtin_expect |
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#if !__has_builtin(__builtin_expect) \ |
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&& !__GNUC_PREREQ(2,96) |
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#define __builtin_expect(x,y) (x) |
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#endif |
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#endif |
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#ifndef __attribute_noinline__ |
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#if __has_attribute(noinline) \ |
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|| __GNUC_PREREQ(3,1) |
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#define __attribute_noinline__ __attribute__((__noinline__)) |
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#else |
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#define __attribute_noinline__ |
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#endif |
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#endif |
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#ifndef __attribute_cold__ |
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#if __has_attribute(cold) \ |
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|| __GNUC_PREREQ(4,3) |
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#define __attribute_cold__ __attribute__((__cold__)) |
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#else |
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#define __attribute_cold__ |
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#endif |
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#endif |
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#ifndef __attribute_hot__ |
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#if __has_attribute(hot) \ |
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|| __GNUC_PREREQ(4,3) |
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#define __attribute_hot__ __attribute__((__hot__)) |
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#else |
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#define __attribute_hot__ |
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#endif |
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#endif |
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#ifndef __attribute_noreturn__ |
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#if __has_attribute(noreturn) \ |
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|| __GNUC_PREREQ(2,5) |
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#define __attribute_noreturn__ __attribute__((__noreturn__)) |
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#else |
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#define __attribute_noreturn__ |
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#endif |
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#endif |
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#ifndef __attribute_fallthrough__ |
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#if __has_attribute(fallthrough) \ |
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|| __GNUC_PREREQ(7,0) |
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#define __attribute_fallthrough__ __attribute__((__fallthrough__)); |
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#else |
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#define __attribute_fallthrough__ /* fall through */ |
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#endif |
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#endif |
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#ifndef __attribute_format__ |
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#if __has_attribute(format) \ |
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|| __GNUC_PREREQ(2,95) /*(maybe earlier gcc, too)*/ |
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#define __attribute_format__(x) __attribute__((__format__ x)) |
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#else |
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#define __attribute_format__(x) |
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#endif |
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#endif |
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#ifndef __attribute_const__ |
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#if __has_attribute(const) \ |
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|| __GNUC_PREREQ(2,5) |
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#define __attribute_const__ __attribute__((__const__)) |
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#else |
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#define __attribute_const__ |
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#endif |
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#endif |
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#ifndef __attribute_pure__ |
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#if __has_attribute(pure) \ |
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|| __GNUC_PREREQ(2,96) |
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#define __attribute_pure__ __attribute__((__pure__)) |
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#else |
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#define __attribute_pure__ |
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#endif |
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#endif |
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#ifndef __attribute_returns_nonnull__ |
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#if __has_attribute(returns_nonnull) \ |
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|| __GNUC_PREREQ(4,9) |
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#define __attribute_returns_nonnull__ __attribute__((__returns_nonnull__)) |
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#else |
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#define __attribute_returns_nonnull__ |
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#endif |
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#endif |
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#ifndef __attribute_nonnull__ |
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#if __has_attribute(nonnull) \ |
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|| __GNUC_PREREQ(3,3) |
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#define __attribute_nonnull__ __attribute__((__nonnull__)) |
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#else |
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#define __attribute_nonnull__ |
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#endif |
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#endif |
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#ifndef __attribute_malloc__ |
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#if __has_attribute(malloc) \ |
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|| __GNUC_PREREQ(2,96) |
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#define __attribute_malloc__ __attribute__((__malloc__)) |
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#elif defined(_MSC_VER) |
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#undef restrict |
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#define __attribute_malloc__ __declspec(restrict) |
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#define restrict __restrict |
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#else |
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#define __attribute_malloc__ |
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#endif |
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#endif |
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#ifndef __attribute_unused__ |
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#if __has_attribute(unused) \ |
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|| __GNUC_PREREQ(2,95) |
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#define __attribute_unused__ __attribute__((__unused__)) |
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#else |
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#define __attribute_unused__ |
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#endif |
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#endif |
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#endif
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