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+/* -*- mode: C -*-
+ *
+ * Copyright (c) 2007-2010 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>
+
+#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 (__COMPCERT__) || 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
+
+/*****************************************************************************/
+
+#endif
+
+#endif /* RANDOM_RUNTIME_H */
+
+/*
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
+
+/* End of file. */