57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
#include <stdio.h>
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#include <ctype.h>
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#include "libft.h"
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void hexdump(void *pAddressIn, long lSize)
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{
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char szBuf[100];
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long lIndent = 1;
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long lOutLen, lIndex, lIndex2, lOutLen2;
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long lRelPos;
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struct { char *pData; unsigned long lSize; } buf;
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unsigned char *pTmp,ucTmp;
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unsigned char *pAddress = (unsigned char *)pAddressIn;
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buf.pData = (char *)pAddress;
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buf.lSize = lSize;
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while (buf.lSize > 0)
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{
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pTmp = (unsigned char *)buf.pData;
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lOutLen = (int)buf.lSize;
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if (lOutLen > 16)
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lOutLen = 16;
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// create a 64-character formatted output line:
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sprintf(szBuf, " > "
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" "
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" %08lX", pTmp-pAddress);
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lOutLen2 = lOutLen;
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for(lIndex = 1+lIndent, lIndex2 = 53-15+lIndent, lRelPos = 0;
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lOutLen2;
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lOutLen2--, lIndex += 2, lIndex2++
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)
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{
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ucTmp = *pTmp++;
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sprintf(szBuf + lIndex, "%02x ", (unsigned short)ucTmp);
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if(!isprint(ucTmp)) ucTmp = '.'; // nonprintable char
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szBuf[lIndex2] = ucTmp;
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if (!(++lRelPos & 3)) // extra blank after 4 bytes
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{ lIndex++; szBuf[lIndex+2] = ' '; }
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}
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if (!(lRelPos & 3)) lIndex--;
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szBuf[lIndex ] = '<';
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szBuf[lIndex+1] = ' ';
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printf("%s\n", szBuf);
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buf.pData += lOutLen;
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buf.lSize -= lOutLen;
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}
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}
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