--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2017 Intel Corporation
+**
+** Permission is hereby granted, free of charge, to any person obtaining a copy
+** of this software and associated documentation files (the "Software"), to deal
+** in the Software without restriction, including without limitation the rights
+** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+** copies of the Software, and to permit persons to whom the Software is
+** furnished to do so, subject to the following conditions:
+**
+** The above copyright notice and this permission notice shall be included in
+** all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+** THE SOFTWARE.
+**
+****************************************************************************/
+
+#ifndef COMPILERSUPPORT_H
+#define COMPILERSUPPORT_H
+
+#include "cbor.h"
+
+#ifndef _BSD_SOURCE
+# define _BSD_SOURCE
+#endif
+#ifndef _DEFAULT_SOURCE
+# define _DEFAULT_SOURCE
+#endif
+#ifndef assert
+# include <assert.h>
+#endif
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#ifndef __cplusplus
+# include <stdbool.h>
+#endif
+
+#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L || __cpp_static_assert >= 200410
+# define cbor_static_assert(x) static_assert(x, #x)
+#elif !defined(__cplusplus) && defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 406) && (__STDC_VERSION__ > 199901L)
+# define cbor_static_assert(x) _Static_assert(x, #x)
+#else
+# define cbor_static_assert(x) ((void)sizeof(char[2*!!(x) - 1]))
+#endif
+#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
+/* inline is a keyword */
+#else
+/* use the definition from cbor.h */
+# define inline CBOR_INLINE
+#endif
+
+#ifdef NDEBUG
+# define cbor_assert(cond) do { if (!(cond)) unreachable(); } while (0)
+#else
+# define cbor_assert(cond) assert(cond)
+#endif
+
+#ifndef STRINGIFY
+#define STRINGIFY(x) STRINGIFY2(x)
+#endif
+#define STRINGIFY2(x) #x
+
+#if !defined(UINT32_MAX) || !defined(INT64_MAX)
+/* C89? We can define UINT32_MAX portably, but not INT64_MAX */
+# error "Your system has stdint.h but that doesn't define UINT32_MAX or INT64_MAX"
+#endif
+
+#ifndef DBL_DECIMAL_DIG
+/* DBL_DECIMAL_DIG is C11 */
+# define DBL_DECIMAL_DIG 17
+#endif
+#define DBL_DECIMAL_DIG_STR STRINGIFY(DBL_DECIMAL_DIG)
+
+#if defined(__GNUC__) && defined(__i386__) && !defined(__iamcu__)
+# define CBOR_INTERNAL_API_CC __attribute__((regparm(3)))
+#elif defined(_MSC_VER) && defined(_M_IX86)
+# define CBOR_INTERNAL_API_CC __fastcall
+#else
+# define CBOR_INTERNAL_API_CC
+#endif
+
+#ifndef __has_builtin
+# define __has_builtin(x) 0
+#endif
+
+#if (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 403)) || \
+ (__has_builtin(__builtin_bswap64) && __has_builtin(__builtin_bswap32))
+# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+# define cbor_ntohll __builtin_bswap64
+# define cbor_htonll __builtin_bswap64
+# define cbor_ntohl __builtin_bswap32
+# define cbor_htonl __builtin_bswap32
+# ifdef __INTEL_COMPILER
+# define cbor_ntohs _bswap16
+# define cbor_htons _bswap16
+# elif (__GNUC__ * 100 + __GNUC_MINOR__ >= 608) || __has_builtin(__builtin_bswap16)
+# define cbor_ntohs __builtin_bswap16
+# define cbor_htons __builtin_bswap16
+# else
+# define cbor_ntohs(x) (((uint16_t)(x) >> 8) | ((uint16_t)(x) << 8))
+# define cbor_htons cbor_ntohs
+# endif
+# else
+# define cbor_ntohll
+# define cbor_htonll
+# define cbor_ntohl
+# define cbor_htonl
+# define cbor_ntohs
+# define cbor_htons
+# endif
+#elif defined(__sun)
+# include <sys/byteorder.h>
+#elif defined(_MSC_VER)
+/* MSVC, which implies Windows, which implies little-endian and sizeof(long) == 4 */
+# include <stdlib.h>
+# define cbor_ntohll _byteswap_uint64
+# define cbor_htonll _byteswap_uint64
+# define cbor_ntohl _byteswap_ulong
+# define cbor_htonl _byteswap_ulong
+# define cbor_ntohs _byteswap_ushort
+# define cbor_htons _byteswap_ushort
+#endif
+#ifndef cbor_ntohs
+# include <arpa/inet.h>
+# define cbor_ntohs ntohs
+# define cbor_htons htons
+#endif
+#ifndef cbor_ntohl
+# include <arpa/inet.h>
+# define cbor_ntohl ntohl
+# define cbor_htonl htonl
+#endif
+#ifndef cbor_ntohll
+# define cbor_ntohll ntohll
+# define cbor_htonll htonll
+/* ntohll isn't usually defined */
+# ifndef ntohll
+# if (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) || \
+ (defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN) || \
+ (defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN) || \
+ (defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)) || (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)) || \
+ defined(__ARMEB__) || defined(__MIPSEB__) || defined(__s390__) || defined(__sparc__)
+# define ntohll
+# define htonll
+# elif (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) || \
+ (defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN) || \
+ (defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && BYTE_ORDER == LITTLE_ENDIAN) || \
+ defined(_LITTLE_ENDIAN) || defined(__LITTLE_ENDIAN__) || defined(__ARMEL__) || defined(__MIPSEL__) || \
+ defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) || defined(__amd64)
+# define ntohll(x) ((ntohl((uint32_t)(x)) * UINT64_C(0x100000000)) + (ntohl((x) >> 32)))
+# define htonll ntohll
+# else
+# error "Unable to determine byte order!"
+# endif
+# endif
+#endif
+
+
+#ifdef __cplusplus
+# define CONST_CAST(t, v) const_cast<t>(v)
+#else
+/* C-style const_cast without triggering a warning with -Wcast-qual */
+# define CONST_CAST(t, v) (t)(uintptr_t)(v)
+#endif
+
+#ifdef __GNUC__
+#ifndef likely
+# define likely(x) __builtin_expect(!!(x), 1)
+#endif
+#ifndef unlikely
+# define unlikely(x) __builtin_expect(!!(x), 0)
+#endif
+# define unreachable() __builtin_unreachable()
+#elif defined(_MSC_VER)
+# define likely(x) (x)
+# define unlikely(x) (x)
+# define unreachable() __assume(0)
+#else
+# define likely(x) (x)
+# define unlikely(x) (x)
+# define unreachable() do {} while (0)
+#endif
+
+static inline bool add_check_overflow(size_t v1, size_t v2, size_t *r)
+{
+#if ((defined(__GNUC__) && (__GNUC__ >= 5)) && !defined(__INTEL_COMPILER)) || __has_builtin(__builtin_add_overflow)
+ return __builtin_add_overflow(v1, v2, r);
+#else
+ /* unsigned additions are well-defined */
+ *r = v1 + v2;
+ return v1 > v1 + v2;
+#endif
+}
+
+#endif /* COMPILERSUPPORT_H */
+
projects / proxmark3-svn / blobdiff