#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/*********十进制转为十六进制函数********
第一个参数为要被转换的十进制,
第二个为转换完成保存的十六进制的位置,
第三个参数为转换后十六进制的长度。
*******************/
void To_Hex(unsigned int value, char buffer[], int length)
{
unsigned int i=(sizeof(unsigned int)*2);
unsigned int temp;
int j=0;
while(i--)
{
temp = (value&(0xf<<(4*i)))>>(4*i);
if(temp>9)
buffer[j] = 'A'+temp-10;
else
buffer[j] = '0'+temp;
j++;
}
buffer[length] = '\0';
}
int main()
{
char buf_hex[100];
unsigned int wd=31584648;
unsigned int jd=118483737;
memset(buf_hex,0,sizeof(buf_hex));
printf("wd = %X \n",wd);
printf("jd = %X \n",jd);
To_Hex(wd,buf_hex,8);
printf ("wd is :%s \n",buf_hex);
memset(buf_hex,0,sizeof(buf_hex));
To_Hex(jd,buf_hex,8);
printf ("jd is :%s \n",buf_hex);
return 0;
}
运行结果:
root@ubuntu:/home/HEX# ./3
wd = 1E1F188
jd = 70FEB19
wd is :01E1F188
jd is :070FEB19
root@ubuntu:/home/HEX#