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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
// Copyright (c) 2013 Pieter Wuille
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef _SECP256K1_UTIL_H_
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#define _SECP256K1_UTIL_H_
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#if defined HAVE_CONFIG_H
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#include "libsecp256k1-config.h"
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#endif
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdio.h>
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#define TEST_FAILURE(msg) do { \
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fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, msg); \
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abort(); \
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} while(0)
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#ifndef HAVE_BUILTIN_EXPECT
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#define EXPECT(x,c) __builtin_expect((x),(c))
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#else
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#define EXPECT(x,c) (x)
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#endif
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#define CHECK(cond) do { \
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if (EXPECT(!(cond), 0)) { \
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TEST_FAILURE("test condition failed: " #cond); \
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} \
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} while(0)
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// Like assert(), but safe to use on expressions with side effects.
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#ifndef NDEBUG
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#define DEBUG_CHECK CHECK
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#else
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#define DEBUG_CHECK(cond) do { (cond); } while(0)
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#endif
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// Like DEBUG_CHECK(), but when VERIFY is defined instead of NDEBUG not defined.
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#ifdef VERIFY
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#define VERIFY_CHECK CHECK
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#else
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#define VERIFY_CHECK(cond) do { (cond); } while(0)
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#endif
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/** Seed the pseudorandom number generator. */
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static inline void secp256k1_rand_seed(uint64_t v);
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/** Generate a pseudorandom 32-bit number. */
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static uint32_t secp256k1_rand32(void);
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/** Generate a pseudorandom 32-byte array. */
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static void secp256k1_rand256(unsigned char *b32);
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/** Generate a pseudorandom 32-byte array with long sequences of zero and one bits. */
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static void secp256k1_rand256_test(unsigned char *b32);
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#endif
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