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//
// UKDumpHex.c
// VelocityLoader
//
// Created by Uli Kusterer on 02.04.07.
// Copyright 2007 Uli Kusterer.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//

#include "UKDumpHex.h"
#include <stdio.h>


void UKDumpHex( const char* buf, size_t bufLen )
{
size_t x = 0;
char asciiLine[17] = { 0 };
int asciiLineX = 0;

printf("%08u: ", 0);

for( x = 0; x < bufLen; x++ )
{
int n = buf[x];
char syms[] = { '0', '1', '2', '3',
'4', '5','6', '7',
'8', '9', 'A', 'B',
'C', 'D', 'E', 'F'};
unsigned int n1 = (n & 0xF0) >> 4,
n2 = n & 0x0F;
char c1 = syms[n1],
c2 = syms[n2];
printf("%c%c ", c1, c2);

unsigned char asciiCh = buf[x];
if( asciiCh > 127 || asciiCh < ' ' )
asciiCh = '.';
else if( asciiCh == '\t' )
asciiCh = ' ';
else if( asciiCh == '\n' || asciiCh == '\r' )
asciiCh = '.';
asciiLine[asciiLineX++] = asciiCh;

if( asciiLineX == 16 )
{
printf( " %s\n", asciiLine );
printf( "%08lu: ", x );
asciiLineX = 0;
}
}

// Output any partial line at end:
if( asciiLineX < 16 )
{
asciiLine[asciiLineX] = 0;
for( ; asciiLineX < 16; asciiLineX++ )
printf(" ");
printf(" %s\n", asciiLine);
}
}
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