mirror of
https://github.com/FEX-Emu/xxHash.git
synced 2024-11-23 22:49:39 +00:00
694 lines
20 KiB
C
694 lines
20 KiB
C
/*
|
|
xxhsum - Command line interface for xxhash algorithms
|
|
Copyright (C) Yann Collet 2012-2015
|
|
|
|
GPL v2 License
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
You can contact the author at :
|
|
- xxHash source repository : https://github.com/Cyan4973/xxHash
|
|
*/
|
|
|
|
/*************************************
|
|
* Compiler Options
|
|
*************************************/
|
|
/* MS Visual */
|
|
#if defined(_MSC_VER) || defined(_WIN32)
|
|
# define _CRT_SECURE_NO_WARNINGS /* removes visual warnings */
|
|
# define BMK_LEGACY_TIMER 1 /* gettimeofday() not supported by MSVC */
|
|
#endif
|
|
|
|
/* Under Linux at least, pull in the *64 commands */
|
|
#define _LARGEFILE64_SOURCE
|
|
|
|
|
|
/*************************************
|
|
* Includes
|
|
*************************************/
|
|
#include <stdlib.h> /* malloc */
|
|
#include <stdio.h> /* fprintf, fopen, ftello64, fread, stdin, stdout; when present : _fileno */
|
|
#include <string.h> /* strcmp */
|
|
#include <sys/types.h> /* stat64 */
|
|
#include <sys/stat.h> /* stat64 */
|
|
|
|
#include "xxhash.h"
|
|
|
|
|
|
/*************************************
|
|
* OS-Specific Includes
|
|
*************************************/
|
|
// Use ftime() if gettimeofday() is not available on your target
|
|
#if defined(BMK_LEGACY_TIMER)
|
|
# include <sys/timeb.h> // timeb, ftime
|
|
#else
|
|
# include <sys/time.h> // gettimeofday
|
|
#endif
|
|
|
|
#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
|
|
# include <fcntl.h> // _O_BINARY
|
|
# include <io.h> // _setmode, _isatty
|
|
# ifdef __MINGW32__
|
|
int _fileno(FILE *stream); // MINGW somehow forgets to include this windows declaration into <stdio.h>
|
|
# endif
|
|
# define SET_BINARY_MODE(file) _setmode(_fileno(file), _O_BINARY)
|
|
# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
|
|
#else
|
|
# include <unistd.h> // isatty, STDIN_FILENO
|
|
# define SET_BINARY_MODE(file)
|
|
# define IS_CONSOLE(stdStream) isatty(STDIN_FILENO)
|
|
#endif
|
|
|
|
#if !defined(S_ISREG)
|
|
# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
|
|
#endif
|
|
|
|
|
|
/*************************************
|
|
* Basic Types
|
|
*************************************/
|
|
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */
|
|
# include <stdint.h>
|
|
typedef uint8_t BYTE;
|
|
typedef uint16_t U16;
|
|
typedef uint32_t U32;
|
|
typedef int32_t S32;
|
|
typedef uint64_t U64;
|
|
#else
|
|
typedef unsigned char BYTE;
|
|
typedef unsigned short U16;
|
|
typedef unsigned int U32;
|
|
typedef signed int S32;
|
|
typedef unsigned long long U64;
|
|
#endif
|
|
|
|
|
|
/**************************************
|
|
* Constants
|
|
*************************************/
|
|
#define PROGRAM_NAME exename
|
|
#define PROGRAM_VERSION ""
|
|
#define COMPILED __DATE__
|
|
#define AUTHOR "Yann Collet"
|
|
#define WELCOME_MESSAGE "*** %s %i-bits %s, by %s (%s) ***\n", PROGRAM_NAME, (int)(sizeof(void*)*8), PROGRAM_VERSION, AUTHOR, COMPILED
|
|
|
|
#define NBLOOPS 3 // Default number of benchmark iterations
|
|
#define TIMELOOP 2500 // Minimum timing per iteration
|
|
#define PRIME 2654435761U
|
|
|
|
#define KB *(1<<10)
|
|
#define MB *(1<<20)
|
|
#define GB *(1U<<30)
|
|
|
|
#define MAX_MEM (2 GB - 64 MB)
|
|
|
|
static const char stdinName[] = "-";
|
|
|
|
|
|
/*************************************
|
|
* Display macros
|
|
*************************************/
|
|
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
|
|
#define DISPLAYRESULT(...) fprintf(stdout, __VA_ARGS__)
|
|
#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) DISPLAY(__VA_ARGS__);
|
|
static unsigned g_displayLevel = 1;
|
|
|
|
|
|
/*************************************
|
|
* Local variables
|
|
*************************************/
|
|
static int g_nbIterations = NBLOOPS;
|
|
static int g_fn_selection = 1; /* required within main() & usage() */
|
|
|
|
|
|
/*************************************
|
|
* Benchmark Functions
|
|
*************************************/
|
|
#if defined(BMK_LEGACY_TIMER)
|
|
|
|
static int BMK_GetMilliStart(void)
|
|
{
|
|
/* Based on Legacy ftime()
|
|
* Rolls over every ~ 12.1 days (0x100000/24/60/60)
|
|
* Use GetMilliSpan to correct for rollover */
|
|
struct timeb tb;
|
|
int nCount;
|
|
ftime( &tb );
|
|
nCount = (int) (tb.millitm + (tb.time & 0xfffff) * 1000);
|
|
return nCount;
|
|
}
|
|
|
|
#else
|
|
|
|
static int BMK_GetMilliStart(void)
|
|
{
|
|
/* Based on newer gettimeofday()
|
|
* Use GetMilliSpan to correct for rollover */
|
|
struct timeval tv;
|
|
int nCount;
|
|
gettimeofday(&tv, NULL);
|
|
nCount = (int) (tv.tv_usec/1000 + (tv.tv_sec & 0xfffff) * 1000);
|
|
return nCount;
|
|
}
|
|
|
|
#endif
|
|
|
|
static int BMK_GetMilliSpan( int nTimeStart )
|
|
{
|
|
int nSpan = BMK_GetMilliStart() - nTimeStart;
|
|
if ( nSpan < 0 )
|
|
nSpan += 0x100000 * 1000;
|
|
return nSpan;
|
|
}
|
|
|
|
|
|
static size_t BMK_findMaxMem(U64 requestedMem)
|
|
{
|
|
size_t step = (64 MB);
|
|
size_t allocatedMemory;
|
|
BYTE* testmem=NULL;
|
|
|
|
requestedMem += 3*step;
|
|
requestedMem -= (size_t)requestedMem & (step-1);
|
|
if (requestedMem > MAX_MEM) requestedMem = MAX_MEM;
|
|
allocatedMemory = (size_t)requestedMem;
|
|
|
|
while (!testmem)
|
|
{
|
|
allocatedMemory -= step;
|
|
testmem = (BYTE*) malloc((size_t)allocatedMemory);
|
|
}
|
|
free (testmem);
|
|
|
|
return (size_t) (allocatedMemory - step);
|
|
}
|
|
|
|
|
|
static U64 BMK_GetFileSize(char* infilename)
|
|
{
|
|
int r;
|
|
#if defined(_MSC_VER)
|
|
struct _stat64 statbuf;
|
|
r = _stat64(infilename, &statbuf);
|
|
#else
|
|
struct stat statbuf;
|
|
r = stat(infilename, &statbuf);
|
|
#endif
|
|
if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */
|
|
return (U64)statbuf.st_size;
|
|
}
|
|
|
|
|
|
static int BMK_benchFile(char** fileNamesTable, int nbFiles)
|
|
{
|
|
int fileIdx=0;
|
|
U32 hashResult=0;
|
|
U64 totals = 0;
|
|
double totalc = 0.;
|
|
|
|
while (fileIdx<nbFiles)
|
|
{
|
|
FILE* inFile;
|
|
char* inFileName;
|
|
U64 inFileSize;
|
|
size_t benchedSize;
|
|
size_t readSize;
|
|
char* buffer;
|
|
char* alignedBuffer;
|
|
|
|
/* Check file existence */
|
|
inFileName = fileNamesTable[fileIdx++];
|
|
inFile = fopen( inFileName, "rb" );
|
|
if (inFile==NULL)
|
|
{
|
|
DISPLAY( "Pb opening %s\n", inFileName);
|
|
return 11;
|
|
}
|
|
|
|
/* Memory allocation & restrictions */
|
|
inFileSize = BMK_GetFileSize(inFileName);
|
|
benchedSize = (size_t) BMK_findMaxMem(inFileSize);
|
|
if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize;
|
|
if (benchedSize < inFileSize)
|
|
{
|
|
DISPLAY("Not enough memory for '%s' full size; testing %i MB only...\n", inFileName, (int)(benchedSize>>20));
|
|
}
|
|
|
|
buffer = (char*)malloc((size_t )benchedSize+16);
|
|
if(!buffer)
|
|
{
|
|
DISPLAY("\nError: not enough memory!\n");
|
|
fclose(inFile);
|
|
return 12;
|
|
}
|
|
alignedBuffer = (buffer+15) - (((size_t)(buffer+15)) & 0xF); /* align on next 16 bytes boundaries */
|
|
|
|
/* Fill input buffer */
|
|
DISPLAY("\rLoading %s... \n", inFileName);
|
|
readSize = fread(alignedBuffer, 1, benchedSize, inFile);
|
|
fclose(inFile);
|
|
|
|
if(readSize != benchedSize)
|
|
{
|
|
DISPLAY("\nError: problem reading file '%s' !! \n", inFileName);
|
|
free(buffer);
|
|
return 13;
|
|
}
|
|
|
|
|
|
/* XXH32 bench */
|
|
{
|
|
int interationNb;
|
|
double fastestC = 100000000.;
|
|
|
|
DISPLAY("\r%79s\r", ""); /* Clean display line */
|
|
for (interationNb = 1; interationNb <= g_nbIterations; interationNb++)
|
|
{
|
|
int nbHashes = 0;
|
|
int milliTime;
|
|
|
|
DISPLAY("%1i-%-14.14s : %10i ->\r", interationNb, "XXH32", (int)benchedSize);
|
|
|
|
/* Timing loop */
|
|
milliTime = BMK_GetMilliStart();
|
|
while(BMK_GetMilliStart() == milliTime);
|
|
milliTime = BMK_GetMilliStart();
|
|
while(BMK_GetMilliSpan(milliTime) < TIMELOOP)
|
|
{
|
|
int i;
|
|
for (i=0; i<100; i++)
|
|
{
|
|
hashResult = XXH32(alignedBuffer, benchedSize, 0);
|
|
nbHashes++;
|
|
}
|
|
}
|
|
milliTime = BMK_GetMilliSpan(milliTime);
|
|
if ((double)milliTime < fastestC*nbHashes) fastestC = (double)milliTime/nbHashes;
|
|
DISPLAY("%1i-%-14.14s : %10i -> %7.1f MB/s\r", interationNb, "XXH32", (int)benchedSize, (double)benchedSize / fastestC / 1000.);
|
|
}
|
|
DISPLAY("%-16.16s : %10i -> %7.1f MB/s 0x%08X\n", "XXH32", (int)benchedSize, (double)benchedSize / fastestC / 1000., hashResult);
|
|
|
|
totals += benchedSize;
|
|
totalc += fastestC;
|
|
}
|
|
|
|
/* Bench XXH32 on Unaligned input */
|
|
{
|
|
int interationNb;
|
|
double fastestC = 100000000.;
|
|
|
|
DISPLAY("\r%79s\r", ""); /* Clean display line */
|
|
for (interationNb = 1; (interationNb <= g_nbIterations) && ((benchedSize>1)); interationNb++)
|
|
{
|
|
int nbHashes = 0;
|
|
int milliTime;
|
|
|
|
DISPLAY("%1i-%-14.14s : %10i ->\r", interationNb, "(unaligned)", (int)benchedSize);
|
|
/* timing loop */
|
|
milliTime = BMK_GetMilliStart();
|
|
while(BMK_GetMilliStart() == milliTime);
|
|
milliTime = BMK_GetMilliStart();
|
|
while(BMK_GetMilliSpan(milliTime) < TIMELOOP)
|
|
{
|
|
int i;
|
|
for (i=0; i<100; i++)
|
|
{
|
|
hashResult = XXH32(alignedBuffer+1, benchedSize-1, 0);
|
|
nbHashes++;
|
|
}
|
|
}
|
|
milliTime = BMK_GetMilliSpan(milliTime);
|
|
if ((double)milliTime < fastestC*nbHashes) fastestC = (double)milliTime/nbHashes;
|
|
DISPLAY("%1i-%-14.14s : %10i -> %7.1f MB/s\r", interationNb, "XXH32 (unaligned)", (int)(benchedSize-1), (double)(benchedSize-1) / fastestC / 1000.);
|
|
}
|
|
DISPLAY("%-16.16s : %10i -> %7.1f MB/s \n", "XXH32 (unaligned)", (int)(benchedSize-1), (double)(benchedSize-1) / fastestC / 1000.);
|
|
}
|
|
|
|
/* Bench XXH64 */
|
|
{
|
|
int interationNb;
|
|
double fastestC = 100000000.;
|
|
unsigned long long h64 = 0;
|
|
|
|
DISPLAY("\r%79s\r", ""); /* Clean display line */
|
|
for (interationNb = 1; interationNb <= g_nbIterations; interationNb++)
|
|
{
|
|
int nbHashes = 0;
|
|
int milliTime;
|
|
|
|
DISPLAY("%1i-%-14.14s : %10i ->\r", interationNb, "XXH64", (int)benchedSize);
|
|
|
|
/* Timing loop */
|
|
milliTime = BMK_GetMilliStart();
|
|
while(BMK_GetMilliStart() == milliTime);
|
|
milliTime = BMK_GetMilliStart();
|
|
while(BMK_GetMilliSpan(milliTime) < TIMELOOP)
|
|
{
|
|
int i;
|
|
for (i=0; i<100; i++)
|
|
{
|
|
h64 = XXH64(alignedBuffer, benchedSize, 0);
|
|
nbHashes++;
|
|
}
|
|
}
|
|
milliTime = BMK_GetMilliSpan(milliTime);
|
|
if ((double)milliTime < fastestC*nbHashes) fastestC = (double)milliTime/nbHashes;
|
|
DISPLAY("%1i-%-14.14s : %10i -> %7.1f MB/s\r", interationNb, "XXH64", (int)benchedSize, (double)benchedSize / fastestC / 1000.);
|
|
}
|
|
DISPLAY("%-16.16s : %10i -> %7.1f MB/s 0x%08X%08X\n", "XXH64", (int)benchedSize, (double)benchedSize / fastestC / 1000., (U32)(h64>>32), (U32)(h64));
|
|
|
|
totals += benchedSize;
|
|
totalc += fastestC;
|
|
}
|
|
|
|
free(buffer);
|
|
}
|
|
|
|
if (nbFiles > 1)
|
|
printf("%-16.16s :%11llu -> %7.1f MB/s\n", " TOTAL", (long long unsigned int)totals, (double)totals/totalc/1000.);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static void BMK_checkResult(U32 r1, U32 r2)
|
|
{
|
|
static int nbTests = 1;
|
|
|
|
if (r1==r2) DISPLAY("\rTest%3i : %08X == %08X ok ", nbTests, r1, r2);
|
|
else
|
|
{
|
|
DISPLAY("\rERROR : Test%3i : %08X <> %08X !!!!! \n", nbTests, r1, r2);
|
|
exit(1);
|
|
}
|
|
nbTests++;
|
|
}
|
|
|
|
|
|
static void BMK_checkResult64(U64 r1, U64 r2)
|
|
{
|
|
static int nbTests = 1;
|
|
|
|
if (r1!=r2)
|
|
{
|
|
DISPLAY("\rERROR : Test%3i : 64-bits values non equals !!!!! \n", nbTests);
|
|
DISPLAY("\r %08X%08X != %08X%08X \n", (U32)(r1>>32), (U32)r1, (U32)(r2<<32), (U32)r2);
|
|
exit(1);
|
|
}
|
|
nbTests++;
|
|
}
|
|
|
|
|
|
static void BMK_testSequence64(void* sentence, int len, U64 seed, U64 Nresult)
|
|
{
|
|
U64 Dresult;
|
|
XXH64_state_t state;
|
|
int index;
|
|
|
|
Dresult = XXH64(sentence, len, seed);
|
|
BMK_checkResult64(Dresult, Nresult);
|
|
|
|
XXH64_reset(&state, seed);
|
|
XXH64_update(&state, sentence, len);
|
|
Dresult = XXH64_digest(&state);
|
|
BMK_checkResult64(Dresult, Nresult);
|
|
|
|
XXH64_reset(&state, seed);
|
|
for (index=0; index<len; index++) XXH64_update(&state, ((char*)sentence)+index, 1);
|
|
Dresult = XXH64_digest(&state);
|
|
BMK_checkResult64(Dresult, Nresult);
|
|
}
|
|
|
|
|
|
static void BMK_testSequence(void* sentence, int len, U32 seed, U32 Nresult)
|
|
{
|
|
U32 Dresult;
|
|
XXH32_state_t state;
|
|
int index;
|
|
|
|
Dresult = XXH32(sentence, len, seed);
|
|
BMK_checkResult(Dresult, Nresult);
|
|
|
|
XXH32_reset(&state, seed);
|
|
XXH32_update(&state, sentence, len);
|
|
Dresult = XXH32_digest(&state);
|
|
BMK_checkResult(Dresult, Nresult);
|
|
|
|
XXH32_reset(&state, seed);
|
|
for (index=0; index<len; index++) XXH32_update(&state, ((char*)sentence)+index, 1);
|
|
Dresult = XXH32_digest(&state);
|
|
BMK_checkResult(Dresult, Nresult);
|
|
}
|
|
|
|
|
|
#define SANITY_BUFFER_SIZE 101
|
|
static void BMK_sanityCheck(void)
|
|
{
|
|
BYTE sanityBuffer[SANITY_BUFFER_SIZE];
|
|
int i;
|
|
U32 prime = PRIME;
|
|
|
|
for (i=0; i<SANITY_BUFFER_SIZE; i++)
|
|
{
|
|
sanityBuffer[i] = (BYTE)(prime>>24);
|
|
prime *= prime;
|
|
}
|
|
|
|
BMK_testSequence(NULL, 0, 0, 0x02CC5D05);
|
|
BMK_testSequence(NULL, 0, PRIME, 0x36B78AE7);
|
|
BMK_testSequence(sanityBuffer, 1, 0, 0xB85CBEE5);
|
|
BMK_testSequence(sanityBuffer, 1, PRIME, 0xD5845D64);
|
|
BMK_testSequence(sanityBuffer, 14, 0, 0xE5AA0AB4);
|
|
BMK_testSequence(sanityBuffer, 14, PRIME, 0x4481951D);
|
|
BMK_testSequence(sanityBuffer, SANITY_BUFFER_SIZE, 0, 0x1F1AA412);
|
|
BMK_testSequence(sanityBuffer, SANITY_BUFFER_SIZE, PRIME, 0x498EC8E2);
|
|
|
|
BMK_testSequence64(NULL , 0, 0, 0xEF46DB3751D8E999ULL);
|
|
BMK_testSequence64(NULL , 0, PRIME, 0xAC75FDA2929B17EFULL);
|
|
BMK_testSequence64(sanityBuffer, 1, 0, 0x4FCE394CC88952D8ULL);
|
|
BMK_testSequence64(sanityBuffer, 1, PRIME, 0x739840CB819FA723ULL);
|
|
BMK_testSequence64(sanityBuffer, 14, 0, 0xCFFA8DB881BC3A3DULL);
|
|
BMK_testSequence64(sanityBuffer, 14, PRIME, 0x5B9611585EFCC9CBULL);
|
|
BMK_testSequence64(sanityBuffer, SANITY_BUFFER_SIZE, 0, 0x0EAB543384F878ADULL);
|
|
BMK_testSequence64(sanityBuffer, SANITY_BUFFER_SIZE, PRIME, 0xCAA65939306F1E21ULL);
|
|
|
|
DISPLAY("\r%79s\r", ""); /* Clean display line */
|
|
DISPLAYLEVEL(2, "Sanity check -- all tests ok\n");
|
|
}
|
|
|
|
static void BMK_display_BigEndian(const void* ptr, size_t length)
|
|
{
|
|
const BYTE* p = ptr;
|
|
while (length--) DISPLAYRESULT("%02x", *p++);
|
|
}
|
|
|
|
static int BMK_hash(const char* fileName, U32 hashNb)
|
|
{
|
|
FILE* inFile;
|
|
size_t const blockSize = 64 KB;
|
|
size_t readSize;
|
|
char* buffer;
|
|
XXH64_state_t state;
|
|
|
|
// Check file existence
|
|
if (fileName == stdinName)
|
|
{
|
|
inFile = stdin;
|
|
SET_BINARY_MODE(stdin);
|
|
}
|
|
else
|
|
inFile = fopen( fileName, "rb" );
|
|
if (inFile==NULL)
|
|
{
|
|
DISPLAY( "Pb opening %s\n", fileName);
|
|
return 11;
|
|
}
|
|
|
|
// Memory allocation & restrictions
|
|
buffer = (char*)malloc(blockSize);
|
|
if(!buffer)
|
|
{
|
|
DISPLAY("\nError: not enough memory!\n");
|
|
fclose(inFile);
|
|
return 12;
|
|
}
|
|
|
|
// Init
|
|
switch(hashNb)
|
|
{
|
|
case 0:
|
|
XXH32_reset((XXH32_state_t*)&state, 0);
|
|
break;
|
|
case 1:
|
|
XXH64_reset(&state, 0);
|
|
break;
|
|
default:
|
|
DISPLAY("Error : bad hash algorithm ID\n");
|
|
fclose(inFile);
|
|
free(buffer);
|
|
return -1;
|
|
}
|
|
|
|
|
|
// Load file & update hash
|
|
DISPLAY("\rLoading %s... \r", fileName);
|
|
readSize = 1;
|
|
while (readSize)
|
|
{
|
|
readSize = fread(buffer, 1, blockSize, inFile);
|
|
switch(hashNb)
|
|
{
|
|
case 0:
|
|
XXH32_update((XXH32_state_t*)&state, buffer, readSize);
|
|
break;
|
|
case 1:
|
|
XXH64_update(&state, buffer, readSize);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
fclose(inFile);
|
|
free(buffer);
|
|
|
|
// display Hash
|
|
switch(hashNb)
|
|
{
|
|
case 0:
|
|
{
|
|
U32 h32 = XXH32_digest((XXH32_state_t*)&state);
|
|
BMK_display_BigEndian(&h32, 4);
|
|
DISPLAYRESULT(" %s \n", fileName);
|
|
break;
|
|
}
|
|
case 1:
|
|
{
|
|
U64 h64 = XXH64_digest(&state);
|
|
BMK_display_BigEndian(&h64, 8);
|
|
DISPLAYRESULT(" %s \n", fileName);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*********************************************************
|
|
* Main
|
|
*********************************************************/
|
|
|
|
static int usage(const char* exename)
|
|
{
|
|
DISPLAY( WELCOME_MESSAGE );
|
|
DISPLAY( "Usage :\n");
|
|
DISPLAY( " %s [arg] [filename]\n", exename);
|
|
DISPLAY( "When no filename provided, or - provided : use stdin as input\n");
|
|
DISPLAY( "Arguments :\n");
|
|
DISPLAY( " -H# : hash selection : 0=32bits, 1=64bits (default %i)\n", g_fn_selection);
|
|
DISPLAY( " -b : benchmark mode \n");
|
|
DISPLAY( " -i# : number of iterations (benchmark mode; default %i)\n", g_nbIterations);
|
|
DISPLAY( " -h : help (this text)\n");
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int badusage(const char* exename)
|
|
{
|
|
DISPLAY("Wrong parameters\n");
|
|
usage(exename);
|
|
return 1;
|
|
}
|
|
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
int i, filenamesStart=0;
|
|
const char* input_filename = (char*)stdinName;
|
|
const char* exename = argv[0];
|
|
U32 benchmarkMode = 0;
|
|
|
|
/* xxh32sum default to 32 bits checksum */
|
|
if (strstr(exename, "xxh32sum")!=NULL) g_fn_selection=0;
|
|
|
|
for(i=1; i<argc; i++)
|
|
{
|
|
char* argument = argv[i];
|
|
|
|
if(!argument) continue; // Protection if argument empty
|
|
|
|
if (*argument!='-')
|
|
{
|
|
input_filename=argument;
|
|
if (filenamesStart==0) filenamesStart=i;
|
|
continue;
|
|
}
|
|
|
|
// Select command
|
|
// note : *argument=='-'
|
|
argument++;
|
|
|
|
while (*argument!=0)
|
|
{
|
|
switch(*argument)
|
|
{
|
|
// Display help on usage
|
|
case 'h':
|
|
return usage(exename);
|
|
|
|
// select hash algorithm
|
|
case 'H':
|
|
g_fn_selection = argument[1] - '0';
|
|
argument+=2;
|
|
break;
|
|
|
|
// Trigger benchmark mode
|
|
case 'b':
|
|
argument++;
|
|
benchmarkMode=1;
|
|
break;
|
|
|
|
// Modify Nb Iterations (benchmark only)
|
|
case 'i':
|
|
g_nbIterations = argument[1] - '0';
|
|
argument+=2;
|
|
break;
|
|
|
|
default:
|
|
return badusage(exename);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check if input is defined as console; trigger an error in this case
|
|
if ((input_filename == stdinName) && IS_CONSOLE(stdin) ) return badusage(exename);
|
|
|
|
// Check results are good
|
|
if (benchmarkMode)
|
|
{
|
|
if (filenamesStart==0) return badusage(exename);
|
|
DISPLAY( WELCOME_MESSAGE );
|
|
BMK_sanityCheck();
|
|
return BMK_benchFile(argv+filenamesStart, argc-filenamesStart);
|
|
}
|
|
|
|
if(g_fn_selection < 0 || g_fn_selection > 1) return badusage(exename);
|
|
|
|
return BMK_hash(input_filename, g_fn_selection);
|
|
}
|