mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-27 06:07:14 +01:00
114 lines
2.4 KiB
C++
114 lines
2.4 KiB
C++
#ifndef ZSTD_DEPS_COMMON
|
|
#define ZSTD_DEPS_COMMON
|
|
/*
|
|
* Copyright (c) Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under both the BSD-style license (found in the
|
|
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
|
|
* in the COPYING file in the root directory of this source tree).
|
|
* You may select, at your option, one of the above-listed licenses.
|
|
*/
|
|
|
|
/* This file provides common libc dependencies that zstd requires.
|
|
* The purpose is to allow replacing this file with a custom implementation
|
|
* to compile zstd without libc support.
|
|
*/
|
|
|
|
/* Need:
|
|
* NULL
|
|
* INT_MAX
|
|
* UINT_MAX
|
|
* ZSTD_memcpy()
|
|
* ZSTD_memset()
|
|
* ZSTD_memmove()
|
|
*/
|
|
|
|
|
|
|
|
#include <limits.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
|
|
#if defined(__GNUC__) && __GNUC__ >= 4
|
|
# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l))
|
|
# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l))
|
|
# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l))
|
|
#else
|
|
# define ZSTD_memcpy(d,s,l) memcpy((d),(s),(l))
|
|
# define ZSTD_memmove(d,s,l) memmove((d),(s),(l))
|
|
# define ZSTD_memset(p,v,l) memset((p),(v),(l))
|
|
#endif
|
|
|
|
#endif /* ZSTD_DEPS_COMMON */
|
|
|
|
/* Need:
|
|
* ZSTD_malloc()
|
|
* ZSTD_free()
|
|
* ZSTD_calloc()
|
|
*/
|
|
#ifdef ZSTD_DEPS_NEED_MALLOC
|
|
#ifndef ZSTD_DEPS_MALLOC
|
|
#define ZSTD_DEPS_MALLOC
|
|
|
|
#include <stdlib.h>
|
|
|
|
#define ZSTD_malloc(s) malloc(s)
|
|
#define ZSTD_calloc(n,s) calloc((n), (s))
|
|
#define ZSTD_free(p) free((p))
|
|
|
|
#endif /* ZSTD_DEPS_MALLOC */
|
|
#endif /* ZSTD_DEPS_NEED_MALLOC */
|
|
|
|
/*
|
|
* Provides 64-bit math support.
|
|
* Need:
|
|
* U64 ZSTD_div64(U64 dividend, U32 divisor)
|
|
*/
|
|
#ifdef ZSTD_DEPS_NEED_MATH64
|
|
#ifndef ZSTD_DEPS_MATH64
|
|
#define ZSTD_DEPS_MATH64
|
|
|
|
#define ZSTD_div64(dividend, divisor) ((dividend) / (divisor))
|
|
|
|
#endif /* ZSTD_DEPS_MATH64 */
|
|
#endif /* ZSTD_DEPS_NEED_MATH64 */
|
|
|
|
/* Need:
|
|
* assert()
|
|
*/
|
|
#ifdef ZSTD_DEPS_NEED_ASSERT
|
|
#ifndef ZSTD_DEPS_ASSERT
|
|
#define ZSTD_DEPS_ASSERT
|
|
|
|
#include <assert.h>
|
|
|
|
#endif /* ZSTD_DEPS_ASSERT */
|
|
#endif /* ZSTD_DEPS_NEED_ASSERT */
|
|
|
|
/* Need:
|
|
* ZSTD_DEBUG_PRINT()
|
|
*/
|
|
#ifdef ZSTD_DEPS_NEED_IO
|
|
#ifndef ZSTD_DEPS_IO
|
|
#define ZSTD_DEPS_IO
|
|
|
|
#include <stdio.h>
|
|
#define ZSTD_DEBUG_PRINT(...) fprintf(stderr, __VA_ARGS__)
|
|
|
|
#endif /* ZSTD_DEPS_IO */
|
|
#endif /* ZSTD_DEPS_NEED_IO */
|
|
|
|
/* Only requested when <stdint.h> is known to be present.
|
|
* Need:
|
|
* intptr_t
|
|
*/
|
|
#ifdef ZSTD_DEPS_NEED_STDINT
|
|
#ifndef ZSTD_DEPS_STDINT
|
|
#define ZSTD_DEPS_STDINT
|
|
|
|
#include <stdint.h>
|
|
|
|
#endif /* ZSTD_DEPS_STDINT */
|
|
#endif /* ZSTD_DEPS_NEED_STDINT */
|