util.c - platform/external/honggfuzz - Gitiles

 /*
  *
  * honggfuzz - utilities
  * -----------------------------------------
  *
  * Author: Robert Swiecki <swiecki@google.com>
  *
  * Copyright 2010-2015 by Google Inc. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may
  * not use this file except in compliance with the License. You may obtain
  * a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  * implied. See the License for the specific language governing
  * permissions and limitations under the License.
  *
  */

 #include "common.h"
 #include "util.h"

 #include <fcntl.h>
 #include <inttypes.h>
 #include <math.h>
 #include <pthread.h>
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <time.h>
 #include <unistd.h>
 #include <ctype.h>

 #include "files.h"
 #include "log.h"

 void *util_Malloc(size_t sz)
 {
     void *p = malloc(sz);
     if (p == NULL) {
         LOG_F("malloc(size='%zu')", sz);
     }
     return p;
 }

 void *util_Calloc(size_t sz)
 {
     void *p = util_Malloc(sz);
     memset(p, '\0', sz);
     return p;
 }

 extern void *util_Realloc(void *ptr, size_t sz)
 {
     void *ret = realloc(ptr, sz);
     if (ret == NULL) {
         PLOG_W("realloc(%p, %zu)", ptr, sz);
         free(ptr);
         return NULL;
     }
     return ret;
 }

 void *util_MMap(size_t sz)
 {
     void *p = mmap(NULL, sz, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE | MAP_NORESERVE, -1, 0);
     if (p == MAP_FAILED) {
         LOG_F("mmap(size='%zu')", sz);
     }
     return p;
 }

 char *util_StrDup(const char *s)
 {
     char *ret = strdup(s);
     if (ret == NULL) {
         LOG_F("strdup(size=%zu)", strlen(s));
     }
     return ret;
 }

 static __thread pthread_once_t rndThreadOnce = PTHREAD_ONCE_INIT;
 static __thread uint64_t rndX;

 /* MMIX LCG PRNG */
 static const uint64_t a = 6364136223846793005ULL;
 static const uint64_t c = 1442695040888963407ULL;

 static void util_rndInitThread(void)
 {
     int fd = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
     if (fd == -1) {
         PLOG_F("Couldn't open /dev/urandom for reading");
     }
     defer {
         close(fd);
     };

     if (files_readFromFd(fd, (uint8_t *) & rndX, sizeof(rndX)) != sizeof(rndX)) {
         PLOG_F("Couldn't read '%zu' bytes from /dev/urandom", sizeof(rndX));
     }
 }

 uint64_t util_rnd64(void)
 {
     pthread_once(&rndThreadOnce, util_rndInitThread);
     rndX = a * rndX + c;
     return rndX;
 }

 uint64_t util_rndGet(uint64_t min, uint64_t max)
 {
     if (min > max) {
         LOG_F("min:%" PRIu64 " > max:%" PRIu64, min, max);
     }

     return ((util_rnd64() % (max - min + 1)) + min);
 }

 void util_rndBuf(uint8_t * buf, size_t sz)
 {
     if (sz == 0) {
         return;
     }
     pthread_once(&rndThreadOnce, util_rndInitThread);
     for (size_t i = 0; i < sz; i++) {
         rndX = a * rndX + c;
         buf[i] = (uint8_t) (rndX >> 15);
     }
 }

 /*
  * Function has variable length stack size, although already we know it's invoked
  * with relatively small sizes (max is _HF_REPORT_SIZE), thus safe to silent warning.
  */
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wframe-larger-than="
 int util_vssnprintf(char *str, size_t size, const char *format, va_list ap)
 {
     char buf1[size];
     char buf2[size];

     strncpy(buf1, str, size);

     vsnprintf(buf2, size, format, ap);

     return snprintf(str, size, "%s%s", buf1, buf2);
 }

 int util_ssnprintf(char *str, size_t size, const char *format, ...)
 {
     char buf1[size];
     char buf2[size];

     snprintf(buf1, sizeof(buf1), "%s", str);

     va_list args;
     va_start(args, format);
     vsnprintf(buf2, size, format, args);
     va_end(args);

     return snprintf(str, size, "%s%s", buf1, buf2);
 }

 #pragma GCC diagnostic pop      /* EOF diagnostic ignored "-Wstack-usage=" */

 void util_getLocalTime(const char *fmt, char *buf, size_t len, time_t tm)
 {
     struct tm ltime;
     localtime_r(&tm, &ltime);
     if (strftime(buf, len, fmt, &ltime) < 1) {
         snprintf(buf, len, "[date fetch error]");
     }
 }

 void util_nullifyStdio(void)
 {
     int fd = open("/dev/null", O_RDWR);

     if (fd == -1) {
         PLOG_E("Couldn't open '/dev/null'");
         return;
     }

     dup2(fd, 0);
     dup2(fd, 1);
     dup2(fd, 2);

     if (fd > 2) {
         close(fd);
     }
 }

 bool util_redirectStdin(const char *inputFile)
 {
     int fd = open(inputFile, O_RDONLY);

     if (fd == -1) {
         PLOG_W("Couldn't open '%s'", inputFile);
         return false;
     }

     dup2(fd, 0);
     if (fd != 0) {
         close(fd);
     }

     return true;
 }

 /*
  * This is not a cryptographically secure hash
  */
 uint64_t util_hash(const char *buf, size_t len)
 {
     uint64_t ret = 0;

     for (size_t i = 0; i < len; i++) {
         ret += buf[i];
         ret += (ret << 10);
         ret ^= (ret >> 6);
     }

     return ret;
 }

 int64_t util_timeNowMillis(void)
 {
     struct timeval tv;
     if (gettimeofday(&tv, NULL) == -1) {
         PLOG_F("gettimeofday()");
     }

     return (((int64_t) tv.tv_sec * 1000LL) + ((int64_t) tv.tv_usec / 1000LL));
 }

 uint64_t util_getUINT32(const uint8_t * buf)
 {
     uint32_t r;
     memcpy(&r, buf, sizeof(r));
     return (uint64_t) r;
 }

 uint64_t util_getUINT64(const uint8_t * buf)
 {
     uint64_t r;
     memcpy(&r, buf, sizeof(r));
     return r;
 }

 void util_mutexLock(pthread_mutex_t * mutex, const char *func, int line)
 {
     if (pthread_mutex_lock(mutex)) {
         PLOG_F("%s():%d pthread_mutex_lock(%p)", func, line, (void *)mutex);
     }
 }

 void util_mutexUnlock(pthread_mutex_t * mutex, const char *func, int line)
 {
     if (pthread_mutex_unlock(mutex)) {
         PLOG_F("%s():%d pthread_mutex_unlock(%p)", func, line, (void *)mutex);
     }
 }

 int64_t fastArray64Search(uint64_t * array, size_t arraySz, uint64_t key)
 {
     size_t low = 0;
     size_t high = arraySz - 1;
     size_t mid;

     while (array[high] != array[low] && key >= array[low] && key <= array[high]) {
         mid = low + (key - array[low]) * ((high - low) / (array[high] - array[low]));

         if (array[mid] < key) {
             low = mid + 1;
         } else if (key < array[mid]) {
             high = mid - 1;
         } else {
             return mid;
         }
     }

     if (key == array[low]) {
         return low;
     } else {
         return -1;
     }
 }

 bool util_isANumber(const char *s)
 {
     if (!isdigit(s[0])) {
         return false;
     }
     for (int i = 0; s[i]; s++) {
         if (!isdigit(s[i]) && s[i] != 'x') {
             return false;
         }
     }
     return true;
 }

 size_t util_decodeCString(char *s)
 {
     size_t len = strlen(s);
     size_t o = 0;
     for (size_t i = 0; s[i] != '\0' && i < len; i++, o++) {
         switch (s[i]) {
         case '\\':{
                 i++;
                 switch (s[i]) {
                 case 'a':
                     s[o] = '\a';
                     break;
                 case 'r':
                     s[o] = '\r';
                     break;
                 case 'n':
                     s[o] = '\n';
                     break;
                 case 't':
                     s[o] = '\t';
                     break;
                 case '0':
                     s[o] = '\0';
                     break;
                 case 'x':{
                         /* Yup, this can overflow */
                         char hex[] = { s[i + 1], s[i + 2], 0 };
                         s[o] = strtoul(hex, NULL, 16);
                         i += 2;
                         break;
                     }
                 default:
                     s[o] = ' ';
                     break;
                 }
                 break;
             }
         default:{
                 s[o] = s[i];
                 break;
             }
         }
     }
     s[o] = '\0';
     return o;
 }

 /* ISO 3309 CRC-64 Poly table */
 static const uint64_t util_CRC64ISOPoly[] = {
     0x0000000000000000ULL, 0x01B0000000000000ULL, 0x0360000000000000ULL, 0x02D0000000000000ULL,
     0x06C0000000000000ULL, 0x0770000000000000ULL, 0x05A0000000000000ULL, 0x0410000000000000ULL,
     0x0D80000000000000ULL, 0x0C30000000000000ULL, 0x0EE0000000000000ULL, 0x0F50000000000000ULL,
     0x0B40000000000000ULL, 0x0AF0000000000000ULL, 0x0820000000000000ULL, 0x0990000000000000ULL,
     0x1B00000000000000ULL, 0x1AB0000000000000ULL, 0x1860000000000000ULL, 0x19D0000000000000ULL,
     0x1DC0000000000000ULL, 0x1C70000000000000ULL, 0x1EA0000000000000ULL, 0x1F10000000000000ULL,
     0x1680000000000000ULL, 0x1730000000000000ULL, 0x15E0000000000000ULL, 0x1450000000000000ULL,
     0x1040000000000000ULL, 0x11F0000000000000ULL, 0x1320000000000000ULL, 0x1290000000000000ULL,
     0x3600000000000000ULL, 0x37B0000000000000ULL, 0x3560000000000000ULL, 0x34D0000000000000ULL,
     0x30C0000000000000ULL, 0x3170000000000000ULL, 0x33A0000000000000ULL, 0x3210000000000000ULL,
     0x3B80000000000000ULL, 0x3A30000000000000ULL, 0x38E0000000000000ULL, 0x3950000000000000ULL,
     0x3D40000000000000ULL, 0x3CF0000000000000ULL, 0x3E20000000000000ULL, 0x3F90000000000000ULL,
     0x2D00000000000000ULL, 0x2CB0000000000000ULL, 0x2E60000000000000ULL, 0x2FD0000000000000ULL,
     0x2BC0000000000000ULL, 0x2A70000000000000ULL, 0x28A0000000000000ULL, 0x2910000000000000ULL,
     0x2080000000000000ULL, 0x2130000000000000ULL, 0x23E0000000000000ULL, 0x2250000000000000ULL,
     0x2640000000000000ULL, 0x27F0000000000000ULL, 0x2520000000000000ULL, 0x2490000000000000ULL,
     0x6C00000000000000ULL, 0x6DB0000000000000ULL, 0x6F60000000000000ULL, 0x6ED0000000000000ULL,
     0x6AC0000000000000ULL, 0x6B70000000000000ULL, 0x69A0000000000000ULL, 0x6810000000000000ULL,
     0x6180000000000000ULL, 0x6030000000000000ULL, 0x62E0000000000000ULL, 0x6350000000000000ULL,
     0x6740000000000000ULL, 0x66F0000000000000ULL, 0x6420000000000000ULL, 0x6590000000000000ULL,
     0x7700000000000000ULL, 0x76B0000000000000ULL, 0x7460000000000000ULL, 0x75D0000000000000ULL,
     0x71C0000000000000ULL, 0x7070000000000000ULL, 0x72A0000000000000ULL, 0x7310000000000000ULL,
     0x7A80000000000000ULL, 0x7B30000000000000ULL, 0x79E0000000000000ULL, 0x7850000000000000ULL,
     0x7C40000000000000ULL, 0x7DF0000000000000ULL, 0x7F20000000000000ULL, 0x7E90000000000000ULL,
     0x5A00000000000000ULL, 0x5BB0000000000000ULL, 0x5960000000000000ULL, 0x58D0000000000000ULL,
     0x5CC0000000000000ULL, 0x5D70000000000000ULL, 0x5FA0000000000000ULL, 0x5E10000000000000ULL,
     0x5780000000000000ULL, 0x5630000000000000ULL, 0x54E0000000000000ULL, 0x5550000000000000ULL,
     0x5140000000000000ULL, 0x50F0000000000000ULL, 0x5220000000000000ULL, 0x5390000000000000ULL,
     0x4100000000000000ULL, 0x40B0000000000000ULL, 0x4260000000000000ULL, 0x43D0000000000000ULL,
     0x47C0000000000000ULL, 0x4670000000000000ULL, 0x44A0000000000000ULL, 0x4510000000000000ULL,
     0x4C80000000000000ULL, 0x4D30000000000000ULL, 0x4FE0000000000000ULL, 0x4E50000000000000ULL,
     0x4A40000000000000ULL, 0x4BF0000000000000ULL, 0x4920000000000000ULL, 0x4890000000000000ULL,
     0xD800000000000000ULL, 0xD9B0000000000000ULL, 0xDB60000000000000ULL, 0xDAD0000000000000ULL,
     0xDEC0000000000000ULL, 0xDF70000000000000ULL, 0xDDA0000000000000ULL, 0xDC10000000000000ULL,
     0xD580000000000000ULL, 0xD430000000000000ULL, 0xD6E0000000000000ULL, 0xD750000000000000ULL,
     0xD340000000000000ULL, 0xD2F0000000000000ULL, 0xD020000000000000ULL, 0xD190000000000000ULL,
     0xC300000000000000ULL, 0xC2B0000000000000ULL, 0xC060000000000000ULL, 0xC1D0000000000000ULL,
     0xC5C0000000000000ULL, 0xC470000000000000ULL, 0xC6A0000000000000ULL, 0xC710000000000000ULL,
     0xCE80000000000000ULL, 0xCF30000000000000ULL, 0xCDE0000000000000ULL, 0xCC50000000000000ULL,
     0xC840000000000000ULL, 0xC9F0000000000000ULL, 0xCB20000000000000ULL, 0xCA90000000000000ULL,
     0xEE00000000000000ULL, 0xEFB0000000000000ULL, 0xED60000000000000ULL, 0xECD0000000000000ULL,
     0xE8C0000000000000ULL, 0xE970000000000000ULL, 0xEBA0000000000000ULL, 0xEA10000000000000ULL,
     0xE380000000000000ULL, 0xE230000000000000ULL, 0xE0E0000000000000ULL, 0xE150000000000000ULL,
     0xE540000000000000ULL, 0xE4F0000000000000ULL, 0xE620000000000000ULL, 0xE790000000000000ULL,
     0xF500000000000000ULL, 0xF4B0000000000000ULL, 0xF660000000000000ULL, 0xF7D0000000000000ULL,
     0xF3C0000000000000ULL, 0xF270000000000000ULL, 0xF0A0000000000000ULL, 0xF110000000000000ULL,
     0xF880000000000000ULL, 0xF930000000000000ULL, 0xFBE0000000000000ULL, 0xFA50000000000000ULL,
     0xFE40000000000000ULL, 0xFFF0000000000000ULL, 0xFD20000000000000ULL, 0xFC90000000000000ULL,
     0xB400000000000000ULL, 0xB5B0000000000000ULL, 0xB760000000000000ULL, 0xB6D0000000000000ULL,
     0xB2C0000000000000ULL, 0xB370000000000000ULL, 0xB1A0000000000000ULL, 0xB010000000000000ULL,
     0xB980000000000000ULL, 0xB830000000000000ULL, 0xBAE0000000000000ULL, 0xBB50000000000000ULL,
     0xBF40000000000000ULL, 0xBEF0000000000000ULL, 0xBC20000000000000ULL, 0xBD90000000000000ULL,
     0xAF00000000000000ULL, 0xAEB0000000000000ULL, 0xAC60000000000000ULL, 0xADD0000000000000ULL,
     0xA9C0000000000000ULL, 0xA870000000000000ULL, 0xAAA0000000000000ULL, 0xAB10000000000000ULL,
     0xA280000000000000ULL, 0xA330000000000000ULL, 0xA1E0000000000000ULL, 0xA050000000000000ULL,
     0xA440000000000000ULL, 0xA5F0000000000000ULL, 0xA720000000000000ULL, 0xA690000000000000ULL,
     0x8200000000000000ULL, 0x83B0000000000000ULL, 0x8160000000000000ULL, 0x80D0000000000000ULL,
     0x84C0000000000000ULL, 0x8570000000000000ULL, 0x87A0000000000000ULL, 0x8610000000000000ULL,
     0x8F80000000000000ULL, 0x8E30000000000000ULL, 0x8CE0000000000000ULL, 0x8D50000000000000ULL,
     0x8940000000000000ULL, 0x88F0000000000000ULL, 0x8A20000000000000ULL, 0x8B90000000000000ULL,
     0x9900000000000000ULL, 0x98B0000000000000ULL, 0x9A60000000000000ULL, 0x9BD0000000000000ULL,
     0x9FC0000000000000ULL, 0x9E70000000000000ULL, 0x9CA0000000000000ULL, 0x9D10000000000000ULL,
     0x9480000000000000ULL, 0x9530000000000000ULL, 0x97E0000000000000ULL, 0x9650000000000000ULL,
     0x9240000000000000ULL, 0x93F0000000000000ULL, 0x9120000000000000ULL, 0x9090000000000000ULL,
 };

 uint64_t util_CRC64(uint8_t * buf, size_t len)
 {
     uint64_t res = 0ULL;

     for (size_t i = 0; i < len; i++) {
         res = util_CRC64ISOPoly[(uint8_t) res ^ buf[i]] ^ (res >> 8);
     }

     return res;
 }
	/*
	*
	* honggfuzz - utilities
	* -----------------------------------------
	*
	* Author: Robert Swiecki <swiecki@google.com>
	*
	* Copyright 2010-2015 by Google Inc. All Rights Reserved.
	*
	* Licensed under the Apache License, Version 2.0 (the "License"); you may
	* not use this file except in compliance with the License. You may obtain
	* a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
	* implied. See the License for the specific language governing
	* permissions and limitations under the License.
	*
	*/

	#include "common.h"
	#include "util.h"

	#include <fcntl.h>
	#include <inttypes.h>
	#include <math.h>
	#include <pthread.h>
	#include <stdarg.h>
	#include <stdint.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <sys/mman.h>
	#include <sys/stat.h>
	#include <sys/time.h>
	#include <sys/types.h>
	#include <time.h>
	#include <unistd.h>
	#include <ctype.h>

	#include "files.h"
	#include "log.h"

	void *util_Malloc(size_t sz)
	{
	void *p = malloc(sz);
	if (p == NULL) {
	LOG_F("malloc(size='%zu')", sz);
	}
	return p;
	}

	void *util_Calloc(size_t sz)
	{
	void *p = util_Malloc(sz);
	memset(p, '\0', sz);
	return p;
	}

	extern void util_Realloc(void ptr, size_t sz)
	{
	void *ret = realloc(ptr, sz);
	if (ret == NULL) {
	PLOG_W("realloc(%p, %zu)", ptr, sz);
	free(ptr);
	return NULL;
	}
	return ret;
	}

	void *util_MMap(size_t sz)
	{
	void *p = mmap(NULL, sz, PROT_READ \| PROT_WRITE, MAP_ANON \| MAP_PRIVATE \| MAP_NORESERVE, -1, 0);
	if (p == MAP_FAILED) {
	LOG_F("mmap(size='%zu')", sz);
	}
	return p;
	}

	char util_StrDup(const char s)
	{
	char *ret = strdup(s);
	if (ret == NULL) {
	LOG_F("strdup(size=%zu)", strlen(s));
	}
	return ret;
	}

	static __thread pthread_once_t rndThreadOnce = PTHREAD_ONCE_INIT;
	static __thread uint64_t rndX;

	/* MMIX LCG PRNG */
	static const uint64_t a = 6364136223846793005ULL;
	static const uint64_t c = 1442695040888963407ULL;

	static void util_rndInitThread(void)
	{
	int fd = open("/dev/urandom", O_RDONLY \| O_CLOEXEC);
	if (fd == -1) {
	PLOG_F("Couldn't open /dev/urandom for reading");
	}
	defer {
	close(fd);
	};

	if (files_readFromFd(fd, (uint8_t *) & rndX, sizeof(rndX)) != sizeof(rndX)) {
	PLOG_F("Couldn't read '%zu' bytes from /dev/urandom", sizeof(rndX));
	}
	}

	uint64_t util_rnd64(void)
	{
	pthread_once(&rndThreadOnce, util_rndInitThread);
	rndX = a * rndX + c;
	return rndX;
	}

	uint64_t util_rndGet(uint64_t min, uint64_t max)
	{
	if (min > max) {
	LOG_F("min:%" PRIu64 " > max:%" PRIu64, min, max);
	}

	return ((util_rnd64() % (max - min + 1)) + min);
	}

	void util_rndBuf(uint8_t * buf, size_t sz)
	{
	if (sz == 0) {
	return;
	}
	pthread_once(&rndThreadOnce, util_rndInitThread);
	for (size_t i = 0; i < sz; i++) {
	rndX = a * rndX + c;
	buf[i] = (uint8_t) (rndX >> 15);
	}
	}

	/*
	* Function has variable length stack size, although already we know it's invoked
	* with relatively small sizes (max is _HF_REPORT_SIZE), thus safe to silent warning.
	*/
	#pragma GCC diagnostic push
	#pragma GCC diagnostic ignored "-Wframe-larger-than="
	int util_vssnprintf(char str, size_t size, const char format, va_list ap)
	{
	char buf1[size];
	char buf2[size];

	strncpy(buf1, str, size);

	vsnprintf(buf2, size, format, ap);

	return snprintf(str, size, "%s%s", buf1, buf2);
	}

	int util_ssnprintf(char str, size_t size, const char format, ...)
	{
	char buf1[size];
	char buf2[size];

	snprintf(buf1, sizeof(buf1), "%s", str);

	va_list args;
	va_start(args, format);
	vsnprintf(buf2, size, format, args);
	va_end(args);

	return snprintf(str, size, "%s%s", buf1, buf2);
	}

	#pragma GCC diagnostic pop /* EOF diagnostic ignored "-Wstack-usage=" */

	void util_getLocalTime(const char fmt, char buf, size_t len, time_t tm)
	{
	struct tm ltime;
	localtime_r(&tm, &ltime);
	if (strftime(buf, len, fmt, &ltime) < 1) {
	snprintf(buf, len, "[date fetch error]");
	}
	}

	void util_nullifyStdio(void)
	{
	int fd = open("/dev/null", O_RDWR);

	if (fd == -1) {
	PLOG_E("Couldn't open '/dev/null'");
	return;
	}

	dup2(fd, 0);
	dup2(fd, 1);
	dup2(fd, 2);

	if (fd > 2) {
	close(fd);
	}
	}

	bool util_redirectStdin(const char *inputFile)
	{
	int fd = open(inputFile, O_RDONLY);

	if (fd == -1) {
	PLOG_W("Couldn't open '%s'", inputFile);
	return false;
	}

	dup2(fd, 0);
	if (fd != 0) {
	close(fd);
	}

	return true;
	}

	/*
	* This is not a cryptographically secure hash
	*/
	uint64_t util_hash(const char *buf, size_t len)
	{
	uint64_t ret = 0;

	for (size_t i = 0; i < len; i++) {
	ret += buf[i];
	ret += (ret << 10);
	ret ^= (ret >> 6);
	}

	return ret;
	}

	int64_t util_timeNowMillis(void)
	{
	struct timeval tv;
	if (gettimeofday(&tv, NULL) == -1) {
	PLOG_F("gettimeofday()");
	}

	return (((int64_t) tv.tv_sec * 1000LL) + ((int64_t) tv.tv_usec / 1000LL));
	}

	uint64_t util_getUINT32(const uint8_t * buf)
	{
	uint32_t r;
	memcpy(&r, buf, sizeof(r));
	return (uint64_t) r;
	}

	uint64_t util_getUINT64(const uint8_t * buf)
	{
	uint64_t r;
	memcpy(&r, buf, sizeof(r));
	return r;
	}

	void util_mutexLock(pthread_mutex_t * mutex, const char *func, int line)
	{
	if (pthread_mutex_lock(mutex)) {
	PLOG_F("%s():%d pthread_mutex_lock(%p)", func, line, (void *)mutex);
	}
	}

	void util_mutexUnlock(pthread_mutex_t * mutex, const char *func, int line)
	{
	if (pthread_mutex_unlock(mutex)) {
	PLOG_F("%s():%d pthread_mutex_unlock(%p)", func, line, (void *)mutex);
	}
	}

	int64_t fastArray64Search(uint64_t * array, size_t arraySz, uint64_t key)
	{
	size_t low = 0;
	size_t high = arraySz - 1;
	size_t mid;

	while (array[high] != array[low] && key >= array[low] && key <= array[high]) {
	mid = low + (key - array[low]) * ((high - low) / (array[high] - array[low]));

	if (array[mid] < key) {
	low = mid + 1;
	} else if (key < array[mid]) {
	high = mid - 1;
	} else {
	return mid;
	}
	}

	if (key == array[low]) {
	return low;
	} else {
	return -1;
	}
	}

	bool util_isANumber(const char *s)
	{
	if (!isdigit(s[0])) {
	return false;
	}
	for (int i = 0; s[i]; s++) {
	if (!isdigit(s[i]) && s[i] != 'x') {
	return false;
	}
	}
	return true;
	}

	size_t util_decodeCString(char *s)
	{
	size_t len = strlen(s);
	size_t o = 0;
	for (size_t i = 0; s[i] != '\0' && i < len; i++, o++) {
	switch (s[i]) {
	case '\\':{
	i++;
	switch (s[i]) {
	case 'a':
	s[o] = '\a';
	break;
	case 'r':
	s[o] = '\r';
	break;
	case 'n':
	s[o] = '\n';
	break;
	case 't':
	s[o] = '\t';
	break;
	case '0':
	s[o] = '\0';
	break;
	case 'x':{
	/* Yup, this can overflow */
	char hex[] = { s[i + 1], s[i + 2], 0 };
	s[o] = strtoul(hex, NULL, 16);
	i += 2;
	break;
	}
	default:
	s[o] = ' ';
	break;
	}
	break;
	}
	default:{
	s[o] = s[i];
	break;
	}
	}
	}
	s[o] = '\0';
	return o;
	}

	/* ISO 3309 CRC-64 Poly table */
	static const uint64_t util_CRC64ISOPoly[] = {
	0x0000000000000000ULL, 0x01B0000000000000ULL, 0x0360000000000000ULL, 0x02D0000000000000ULL,
	0x06C0000000000000ULL, 0x0770000000000000ULL, 0x05A0000000000000ULL, 0x0410000000000000ULL,
	0x0D80000000000000ULL, 0x0C30000000000000ULL, 0x0EE0000000000000ULL, 0x0F50000000000000ULL,
	0x0B40000000000000ULL, 0x0AF0000000000000ULL, 0x0820000000000000ULL, 0x0990000000000000ULL,
	0x1B00000000000000ULL, 0x1AB0000000000000ULL, 0x1860000000000000ULL, 0x19D0000000000000ULL,
	0x1DC0000000000000ULL, 0x1C70000000000000ULL, 0x1EA0000000000000ULL, 0x1F10000000000000ULL,
	0x1680000000000000ULL, 0x1730000000000000ULL, 0x15E0000000000000ULL, 0x1450000000000000ULL,
	0x1040000000000000ULL, 0x11F0000000000000ULL, 0x1320000000000000ULL, 0x1290000000000000ULL,
	0x3600000000000000ULL, 0x37B0000000000000ULL, 0x3560000000000000ULL, 0x34D0000000000000ULL,
	0x30C0000000000000ULL, 0x3170000000000000ULL, 0x33A0000000000000ULL, 0x3210000000000000ULL,
	0x3B80000000000000ULL, 0x3A30000000000000ULL, 0x38E0000000000000ULL, 0x3950000000000000ULL,
	0x3D40000000000000ULL, 0x3CF0000000000000ULL, 0x3E20000000000000ULL, 0x3F90000000000000ULL,
	0x2D00000000000000ULL, 0x2CB0000000000000ULL, 0x2E60000000000000ULL, 0x2FD0000000000000ULL,
	0x2BC0000000000000ULL, 0x2A70000000000000ULL, 0x28A0000000000000ULL, 0x2910000000000000ULL,
	0x2080000000000000ULL, 0x2130000000000000ULL, 0x23E0000000000000ULL, 0x2250000000000000ULL,
	0x2640000000000000ULL, 0x27F0000000000000ULL, 0x2520000000000000ULL, 0x2490000000000000ULL,
	0x6C00000000000000ULL, 0x6DB0000000000000ULL, 0x6F60000000000000ULL, 0x6ED0000000000000ULL,
	0x6AC0000000000000ULL, 0x6B70000000000000ULL, 0x69A0000000000000ULL, 0x6810000000000000ULL,
	0x6180000000000000ULL, 0x6030000000000000ULL, 0x62E0000000000000ULL, 0x6350000000000000ULL,
	0x6740000000000000ULL, 0x66F0000000000000ULL, 0x6420000000000000ULL, 0x6590000000000000ULL,
	0x7700000000000000ULL, 0x76B0000000000000ULL, 0x7460000000000000ULL, 0x75D0000000000000ULL,
	0x71C0000000000000ULL, 0x7070000000000000ULL, 0x72A0000000000000ULL, 0x7310000000000000ULL,
	0x7A80000000000000ULL, 0x7B30000000000000ULL, 0x79E0000000000000ULL, 0x7850000000000000ULL,
	0x7C40000000000000ULL, 0x7DF0000000000000ULL, 0x7F20000000000000ULL, 0x7E90000000000000ULL,
	0x5A00000000000000ULL, 0x5BB0000000000000ULL, 0x5960000000000000ULL, 0x58D0000000000000ULL,
	0x5CC0000000000000ULL, 0x5D70000000000000ULL, 0x5FA0000000000000ULL, 0x5E10000000000000ULL,
	0x5780000000000000ULL, 0x5630000000000000ULL, 0x54E0000000000000ULL, 0x5550000000000000ULL,
	0x5140000000000000ULL, 0x50F0000000000000ULL, 0x5220000000000000ULL, 0x5390000000000000ULL,
	0x4100000000000000ULL, 0x40B0000000000000ULL, 0x4260000000000000ULL, 0x43D0000000000000ULL,
	0x47C0000000000000ULL, 0x4670000000000000ULL, 0x44A0000000000000ULL, 0x4510000000000000ULL,
	0x4C80000000000000ULL, 0x4D30000000000000ULL, 0x4FE0000000000000ULL, 0x4E50000000000000ULL,
	0x4A40000000000000ULL, 0x4BF0000000000000ULL, 0x4920000000000000ULL, 0x4890000000000000ULL,
	0xD800000000000000ULL, 0xD9B0000000000000ULL, 0xDB60000000000000ULL, 0xDAD0000000000000ULL,
	0xDEC0000000000000ULL, 0xDF70000000000000ULL, 0xDDA0000000000000ULL, 0xDC10000000000000ULL,
	0xD580000000000000ULL, 0xD430000000000000ULL, 0xD6E0000000000000ULL, 0xD750000000000000ULL,
	0xD340000000000000ULL, 0xD2F0000000000000ULL, 0xD020000000000000ULL, 0xD190000000000000ULL,
	0xC300000000000000ULL, 0xC2B0000000000000ULL, 0xC060000000000000ULL, 0xC1D0000000000000ULL,
	0xC5C0000000000000ULL, 0xC470000000000000ULL, 0xC6A0000000000000ULL, 0xC710000000000000ULL,
	0xCE80000000000000ULL, 0xCF30000000000000ULL, 0xCDE0000000000000ULL, 0xCC50000000000000ULL,
	0xC840000000000000ULL, 0xC9F0000000000000ULL, 0xCB20000000000000ULL, 0xCA90000000000000ULL,
	0xEE00000000000000ULL, 0xEFB0000000000000ULL, 0xED60000000000000ULL, 0xECD0000000000000ULL,
	0xE8C0000000000000ULL, 0xE970000000000000ULL, 0xEBA0000000000000ULL, 0xEA10000000000000ULL,
	0xE380000000000000ULL, 0xE230000000000000ULL, 0xE0E0000000000000ULL, 0xE150000000000000ULL,
	0xE540000000000000ULL, 0xE4F0000000000000ULL, 0xE620000000000000ULL, 0xE790000000000000ULL,
	0xF500000000000000ULL, 0xF4B0000000000000ULL, 0xF660000000000000ULL, 0xF7D0000000000000ULL,
	0xF3C0000000000000ULL, 0xF270000000000000ULL, 0xF0A0000000000000ULL, 0xF110000000000000ULL,
	0xF880000000000000ULL, 0xF930000000000000ULL, 0xFBE0000000000000ULL, 0xFA50000000000000ULL,
	0xFE40000000000000ULL, 0xFFF0000000000000ULL, 0xFD20000000000000ULL, 0xFC90000000000000ULL,
	0xB400000000000000ULL, 0xB5B0000000000000ULL, 0xB760000000000000ULL, 0xB6D0000000000000ULL,
	0xB2C0000000000000ULL, 0xB370000000000000ULL, 0xB1A0000000000000ULL, 0xB010000000000000ULL,
	0xB980000000000000ULL, 0xB830000000000000ULL, 0xBAE0000000000000ULL, 0xBB50000000000000ULL,
	0xBF40000000000000ULL, 0xBEF0000000000000ULL, 0xBC20000000000000ULL, 0xBD90000000000000ULL,
	0xAF00000000000000ULL, 0xAEB0000000000000ULL, 0xAC60000000000000ULL, 0xADD0000000000000ULL,
	0xA9C0000000000000ULL, 0xA870000000000000ULL, 0xAAA0000000000000ULL, 0xAB10000000000000ULL,
	0xA280000000000000ULL, 0xA330000000000000ULL, 0xA1E0000000000000ULL, 0xA050000000000000ULL,
	0xA440000000000000ULL, 0xA5F0000000000000ULL, 0xA720000000000000ULL, 0xA690000000000000ULL,
	0x8200000000000000ULL, 0x83B0000000000000ULL, 0x8160000000000000ULL, 0x80D0000000000000ULL,
	0x84C0000000000000ULL, 0x8570000000000000ULL, 0x87A0000000000000ULL, 0x8610000000000000ULL,
	0x8F80000000000000ULL, 0x8E30000000000000ULL, 0x8CE0000000000000ULL, 0x8D50000000000000ULL,
	0x8940000000000000ULL, 0x88F0000000000000ULL, 0x8A20000000000000ULL, 0x8B90000000000000ULL,
	0x9900000000000000ULL, 0x98B0000000000000ULL, 0x9A60000000000000ULL, 0x9BD0000000000000ULL,
	0x9FC0000000000000ULL, 0x9E70000000000000ULL, 0x9CA0000000000000ULL, 0x9D10000000000000ULL,
	0x9480000000000000ULL, 0x9530000000000000ULL, 0x97E0000000000000ULL, 0x9650000000000000ULL,
	0x9240000000000000ULL, 0x93F0000000000000ULL, 0x9120000000000000ULL, 0x9090000000000000ULL,
	};

	uint64_t util_CRC64(uint8_t * buf, size_t len)
	{
	uint64_t res = 0ULL;

	for (size_t i = 0; i < len; i++) {
	res = util_CRC64ISOPoly[(uint8_t) res ^ buf[i]] ^ (res >> 8);
	}

	return res;
	}