c hexdump

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记录下，有时要打日志用

#ifndef hexdump_h

#define hexdump_h

#include <SYS\TIMEB.H> //windows加入此头文件

#ifdef __cpluscplus

extern "C"

{

#endif

void hexDump (char *desc,void *addr,int len);

char* log_Time(void);

#ifdef __cplusplus

}

#endif

#endif /* hexdump_h */

#include <stdio.h>

#include "hexdump.h"

#include <sys/timeb.h>

#include <time.h>

char* log_Time(void)

{

struct tm *ptm;

struct timeb stTimeb;

static char szTime[19];

ftime(&stTimeb);

ptm = localtime(&stTimeb.time);

sprintf(szTime,"%02d-%02d %02d:%02d:%02d.%03d",

ptm->tm_mon+1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min, ptm->tm_sec, stTimeb.millitm);

szTime[18] =0;

return szTime;

}

#define SIZE 255

void hexDump (char *desc,void *addr,int len) {

int i;

unsignedchar buffLine[17];

unsignedchar *pc = (unsignedchar*)addr;

if (desc !=NULL){

printf ("%s %s:\n",log_Time(), desc);

}

for (i =0; i < len; i++) {

if ((i %16) ==0) {

if (i !=0)

printf (" %s\n", buffLine);

printf ("%04x ", i);

}

// Prints the HEXCODES that represent each chars.

printf ("%02x", pc[i]);

if ((i %16) ==7)printf (" ");

printf (" ");

if ((pc[i] <0x20) || (pc[i] >0x7e)){

buffLine[i % 16] ='.';

}

else{

buffLine[i % 16] = pc[i];

}

buffLine[(i % 16) +1] ='\0';//Clears the next array buffLine

}

while ((i %16) !=0) {

printf (" ");

i++;

}

printf (" %s\n", buffLine);

}

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