/usr/include/csmith/csmith.h is in libcsmith-dev 2.3.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | /* -*- mode: C -*-
*
* Copyright (c) 2007-2011, 2013, 2014 The University of Utah
* All rights reserved.
*
* This file is part of `csmith', a random generator of C programs.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RANDOM_RUNTIME_H
#define RANDOM_RUNTIME_H
#ifdef CSMITH_MINIMAL
#include "csmith_minimal.h"
#else
/*****************************************************************************/
#include <string.h>
#include <float.h>
#include <math.h>
#define __STDC_LIMIT_MACROS
#include "random_inc.h"
static uint32_t crc32_tab[256];
static uint32_t crc32_context = 0xFFFFFFFFUL;
static void
crc32_gentab (void)
{
uint32_t crc;
const uint32_t poly = 0xEDB88320UL;
int i, j;
for (i = 0; i < 256; i++) {
crc = i;
for (j = 8; j > 0; j--) {
if (crc & 1) {
crc = (crc >> 1) ^ poly;
} else {
crc >>= 1;
}
}
crc32_tab[i] = crc;
}
}
static void
crc32_byte (uint8_t b) {
crc32_context =
((crc32_context >> 8) & 0x00FFFFFF) ^
crc32_tab[(crc32_context ^ b) & 0xFF];
}
#if defined(__SPLAT__) || defined(NO_LONGLONG)
static void
crc32_8bytes (uint32_t val)
{
crc32_byte ((val>>0) & 0xff);
crc32_byte ((val>>8) & 0xff);
crc32_byte ((val>>16) & 0xff);
crc32_byte ((val>>24) & 0xff);
}
static void
transparent_crc (uint32_t val, char* vname, int flag)
{
crc32_8bytes(val);
if (flag) {
printf("...checksum after hashing %s : %X\n", vname, crc32_context ^ 0xFFFFFFFFU);
}
}
#else
static void
crc32_8bytes (uint64_t val)
{
crc32_byte ((val>>0) & 0xff);
crc32_byte ((val>>8) & 0xff);
crc32_byte ((val>>16) & 0xff);
crc32_byte ((val>>24) & 0xff);
crc32_byte ((val>>32) & 0xff);
crc32_byte ((val>>40) & 0xff);
crc32_byte ((val>>48) & 0xff);
crc32_byte ((val>>56) & 0xff);
}
static void
transparent_crc (uint64_t val, char* vname, int flag)
{
crc32_8bytes(val);
if (flag) {
printf("...checksum after hashing %s : %lX\n", vname, crc32_context ^ 0xFFFFFFFFUL);
}
}
#endif
static void
transparent_crc_bytes (char *ptr, int nbytes, char* vname, int flag)
{
int i;
for (i=0; i<nbytes; i++) {
crc32_byte(ptr[i]);
}
if (flag) {
printf("...checksum after hashing %s : %lX\n", vname, crc32_context ^ 0xFFFFFFFFUL);
}
}
/*****************************************************************************/
#endif
#endif /* RANDOM_RUNTIME_H */
/*
* Local Variables:
* c-basic-offset: 4
* tab-width: 4
* End:
*/
/* End of file. */
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