mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
261 lines
7.8 KiB
261 lines
7.8 KiB
12 months ago
|
#ifndef _ZBUILD_H
|
||
|
|
#define _ZBUILD_H
|
||
|
|
|
||
|
|
#define _POSIX_SOURCE 1 /* fileno */
|
||
|
|
#ifndef _POSIX_C_SOURCE
|
||
|
|
# define _POSIX_C_SOURCE 200809L /* snprintf, posix_memalign, strdup */
|
||
|
|
#endif
|
||
|
|
#ifndef _ISOC11_SOURCE
|
||
|
|
# define _ISOC11_SOURCE 1 /* aligned_alloc */
|
||
|
|
#endif
|
||
|
|
#ifdef __OpenBSD__
|
||
|
|
# define _BSD_SOURCE 1
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
/* Determine compiler version of C Standard */
|
||
|
|
#ifdef __STDC_VERSION__
|
||
|
|
# if __STDC_VERSION__ >= 199901L
|
||
|
|
# ifndef STDC99
|
||
|
|
# define STDC99
|
||
|
|
# endif
|
||
|
|
# endif
|
||
|
|
# if __STDC_VERSION__ >= 201112L
|
||
|
|
# ifndef STDC11
|
||
|
|
# define STDC11
|
||
|
|
# endif
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef Z_HAS_ATTRIBUTE
|
||
|
|
# if defined(__has_attribute)
|
||
|
|
# define Z_HAS_ATTRIBUTE(a) __has_attribute(a)
|
||
|
|
# else
|
||
|
|
# define Z_HAS_ATTRIBUTE(a) 0
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef Z_FALLTHROUGH
|
||
|
|
# if Z_HAS_ATTRIBUTE(__fallthrough__) || (defined(__GNUC__) && (__GNUC__ >= 7))
|
||
|
|
# define Z_FALLTHROUGH __attribute__((__fallthrough__))
|
||
|
|
# else
|
||
|
|
# define Z_FALLTHROUGH do {} while(0) /* fallthrough */
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef Z_TARGET
|
||
|
|
# if Z_HAS_ATTRIBUTE(__target__)
|
||
|
|
# define Z_TARGET(x) __attribute__((__target__(x)))
|
||
|
|
# else
|
||
|
|
# define Z_TARGET(x)
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* This has to be first include that defines any types */
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
# if defined(_WIN64)
|
||
|
|
typedef __int64 ssize_t;
|
||
|
|
# else
|
||
|
|
typedef long ssize_t;
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# if defined(_WIN64)
|
||
|
|
#define SSIZE_MAX _I64_MAX
|
||
|
|
# else
|
||
|
|
#define SSIZE_MAX LONG_MAX
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* MS Visual Studio does not allow inline in C, only C++.
|
||
|
|
But it provides __inline instead, so use that. */
|
||
|
|
#if defined(_MSC_VER) && !defined(inline) && !defined(__cplusplus)
|
||
|
|
# define inline __inline
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(ZLIB_COMPAT)
|
||
|
|
# define PREFIX(x) x
|
||
|
|
# define PREFIX2(x) ZLIB_ ## x
|
||
|
|
# define PREFIX3(x) z_ ## x
|
||
|
|
# define PREFIX4(x) x ## 64
|
||
|
|
# define zVersion zlibVersion
|
||
|
|
#else
|
||
|
|
# define PREFIX(x) zng_ ## x
|
||
|
|
# define PREFIX2(x) ZLIBNG_ ## x
|
||
|
|
# define PREFIX3(x) zng_ ## x
|
||
|
|
# define PREFIX4(x) zng_ ## x
|
||
|
|
# define zVersion zlibng_version
|
||
|
|
# define z_size_t size_t
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* In zlib-compat some functions and types use unsigned long, but zlib-ng use size_t */
|
||
|
|
#if defined(ZLIB_COMPAT)
|
||
|
|
# define z_uintmax_t unsigned long
|
||
|
|
#else
|
||
|
|
# define z_uintmax_t size_t
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Minimum of a and b. */
|
||
|
|
#define MIN(a, b) ((a) > (b) ? (b) : (a))
|
||
|
|
/* Maximum of a and b. */
|
||
|
|
#define MAX(a, b) ((a) < (b) ? (b) : (a))
|
||
|
|
/* Ignore unused variable warning */
|
||
|
|
#define Z_UNUSED(var) (void)(var)
|
||
|
|
|
||
|
|
#if defined(HAVE_VISIBILITY_INTERNAL)
|
||
|
|
# define Z_INTERNAL __attribute__((visibility ("internal")))
|
||
|
|
#elif defined(HAVE_VISIBILITY_HIDDEN)
|
||
|
|
# define Z_INTERNAL __attribute__((visibility ("hidden")))
|
||
|
|
#else
|
||
|
|
# define Z_INTERNAL
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Symbol versioning helpers, allowing multiple versions of a function to exist.
|
||
|
|
* Functions using this must also be added to zlib-ng.map for each version.
|
||
|
|
* Double @@ means this is the default for newly compiled applications to link against.
|
||
|
|
* Single @ means this is kept for backwards compatibility.
|
||
|
|
* This is only used for Zlib-ng native API, and only on platforms supporting this.
|
||
|
|
*/
|
||
|
|
#if defined(HAVE_SYMVER)
|
||
|
|
# define ZSYMVER(func,alias,ver) __asm__(".symver " func ", " alias "@ZLIB_NG_" ver);
|
||
|
|
# define ZSYMVER_DEF(func,alias,ver) __asm__(".symver " func ", " alias "@@ZLIB_NG_" ver);
|
||
|
|
#else
|
||
|
|
# define ZSYMVER(func,alias,ver)
|
||
|
|
# define ZSYMVER_DEF(func,alias,ver)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __cplusplus
|
||
|
|
# define Z_REGISTER register
|
||
|
|
#else
|
||
|
|
# define Z_REGISTER
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Reverse the bytes in a value. Use compiler intrinsics when
|
||
|
|
possible to take advantage of hardware implementations. */
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1300)
|
||
|
|
# include <stdlib.h>
|
||
|
|
# pragma intrinsic(_byteswap_ulong)
|
||
|
|
# define ZSWAP16(q) _byteswap_ushort(q)
|
||
|
|
# define ZSWAP32(q) _byteswap_ulong(q)
|
||
|
|
# define ZSWAP64(q) _byteswap_uint64(q)
|
||
|
|
|
||
|
|
#elif defined(__clang__) || (defined(__GNUC__) && \
|
||
|
|
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
|
||
|
|
# define ZSWAP16(q) __builtin_bswap16(q)
|
||
|
|
# define ZSWAP32(q) __builtin_bswap32(q)
|
||
|
|
# define ZSWAP64(q) __builtin_bswap64(q)
|
||
|
|
|
||
|
|
#elif defined(__GNUC__) && (__GNUC__ >= 2) && defined(__linux__)
|
||
|
|
# include <byteswap.h>
|
||
|
|
# define ZSWAP16(q) bswap_16(q)
|
||
|
|
# define ZSWAP32(q) bswap_32(q)
|
||
|
|
# define ZSWAP64(q) bswap_64(q)
|
||
|
|
|
||
|
|
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
|
||
|
|
# include <sys/endian.h>
|
||
|
|
# define ZSWAP16(q) bswap16(q)
|
||
|
|
# define ZSWAP32(q) bswap32(q)
|
||
|
|
# define ZSWAP64(q) bswap64(q)
|
||
|
|
#elif defined(__OpenBSD__)
|
||
|
|
# include <sys/endian.h>
|
||
|
|
# define ZSWAP16(q) swap16(q)
|
||
|
|
# define ZSWAP32(q) swap32(q)
|
||
|
|
# define ZSWAP64(q) swap64(q)
|
||
|
|
#elif defined(__INTEL_COMPILER)
|
||
|
|
/* ICC does not provide a two byte swap. */
|
||
|
|
# define ZSWAP16(q) ((((q) & 0xff) << 8) | (((q) & 0xff00) >> 8))
|
||
|
|
# define ZSWAP32(q) _bswap(q)
|
||
|
|
# define ZSWAP64(q) _bswap64(q)
|
||
|
|
|
||
|
|
#else
|
||
|
|
# define ZSWAP16(q) ((((q) & 0xff) << 8) | (((q) & 0xff00) >> 8))
|
||
|
|
# define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
|
||
|
|
(((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
|
||
|
|
# define ZSWAP64(q) \
|
||
|
|
(((q & 0xFF00000000000000u) >> 56u) | \
|
||
|
|
((q & 0x00FF000000000000u) >> 40u) | \
|
||
|
|
((q & 0x0000FF0000000000u) >> 24u) | \
|
||
|
|
((q & 0x000000FF00000000u) >> 8u) | \
|
||
|
|
((q & 0x00000000FF000000u) << 8u) | \
|
||
|
|
((q & 0x0000000000FF0000u) << 24u) | \
|
||
|
|
((q & 0x000000000000FF00u) << 40u) | \
|
||
|
|
((q & 0x00000000000000FFu) << 56u))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Only enable likely/unlikely if the compiler is known to support it */
|
||
|
|
#if (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__INTEL_COMPILER) || defined(__clang__)
|
||
|
|
# define LIKELY_NULL(x) __builtin_expect((x) != 0, 0)
|
||
|
|
# define LIKELY(x) __builtin_expect(!!(x), 1)
|
||
|
|
# define UNLIKELY(x) __builtin_expect(!!(x), 0)
|
||
|
|
#else
|
||
|
|
# define LIKELY_NULL(x) x
|
||
|
|
# define LIKELY(x) x
|
||
|
|
# define UNLIKELY(x) x
|
||
|
|
#endif /* (un)likely */
|
||
|
|
|
||
|
|
#if defined(HAVE_ATTRIBUTE_ALIGNED)
|
||
|
|
# define ALIGNED_(x) __attribute__ ((aligned(x)))
|
||
|
|
#elif defined(_MSC_VER)
|
||
|
|
# define ALIGNED_(x) __declspec(align(x))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Diagnostic functions */
|
||
|
|
#ifdef ZLIB_DEBUG
|
||
|
|
# include <stdio.h>
|
||
|
|
extern int Z_INTERNAL z_verbose;
|
||
|
|
extern void Z_INTERNAL z_error(const char *m);
|
||
|
|
# define Assert(cond, msg) {if (!(cond)) z_error(msg);}
|
||
|
|
# define Trace(x) {if (z_verbose >= 0) fprintf x;}
|
||
|
|
# define Tracev(x) {if (z_verbose > 0) fprintf x;}
|
||
|
|
# define Tracevv(x) {if (z_verbose > 1) fprintf x;}
|
||
|
|
# define Tracec(c, x) {if (z_verbose > 0 && (c)) fprintf x;}
|
||
|
|
# define Tracecv(c, x) {if (z_verbose > 1 && (c)) fprintf x;}
|
||
|
|
#else
|
||
|
|
# define Assert(cond, msg)
|
||
|
|
# define Trace(x)
|
||
|
|
# define Tracev(x)
|
||
|
|
# define Tracevv(x)
|
||
|
|
# define Tracec(c, x)
|
||
|
|
# define Tracecv(c, x)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef NO_UNALIGNED
|
||
|
|
# if defined(__x86_64__) || defined(_M_X64) || defined(__amd64__) || defined(_M_AMD64)
|
||
|
|
# define UNALIGNED_OK
|
||
|
|
# define UNALIGNED64_OK
|
||
|
|
# elif defined(__i386__) || defined(__i486__) || defined(__i586__) || \
|
||
|
|
defined(__i686__) || defined(_X86_) || defined(_M_IX86)
|
||
|
|
# define UNALIGNED_OK
|
||
|
|
# elif defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
|
||
|
|
# if (defined(__GNUC__) && defined(__ARM_FEATURE_UNALIGNED)) || !defined(__GNUC__)
|
||
|
|
# define UNALIGNED_OK
|
||
|
|
# define UNALIGNED64_OK
|
||
|
|
# endif
|
||
|
|
# elif defined(__arm__) || (_M_ARM >= 7)
|
||
|
|
# if (defined(__GNUC__) && defined(__ARM_FEATURE_UNALIGNED)) || !defined(__GNUC__)
|
||
|
|
# define UNALIGNED_OK
|
||
|
|
# endif
|
||
|
|
# elif defined(__powerpc64__) || defined(__ppc64__)
|
||
|
|
# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
||
|
|
# define UNALIGNED_OK
|
||
|
|
# define UNALIGNED64_OK
|
||
|
|
# endif
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(__has_feature)
|
||
|
|
# if __has_feature(memory_sanitizer)
|
||
|
|
# define Z_MEMORY_SANITIZER 1
|
||
|
|
# include <sanitizer/msan_interface.h>
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef Z_MEMORY_SANITIZER
|
||
|
|
# define __msan_unpoison(a, size) do { Z_UNUSED(a); Z_UNUSED(size); } while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|