如何把一个临时数组的值加入到另外一个数组
怎么把一个临时数组的值加入到另外一个数组。
我的
unsigned short output[16];
output里已经有值了,我现在想把里面的值转成16进制,以字符串的形式放在buffer里返回!
char buffer[32];
memset(buffer,0,sizeof(buffer));
for(i=0; i<16; i++)
{
char tmp[2];
sprintf(tmp,"%02X", output[i]);
//buffer=strcat(buffer,tmp);
//sprintf(buffer,tmp);
//将output[i]以十六进制形式输出
//printf("%02X", output[i]);
}
printf(buffer);
------解决方案--------------------
------解决方案--------------------
unsigned short output[16]={};
char buffer[33]={};
for(int i=0;i<16;++i)
{
char tmp[3]={};
sprintf(tmp,"%02X", output[i]);
strcat(buffer,tmp);
}
------解决方案--------------------
最后试出结果没
------解决方案--------------------
仅供参考:
我的
unsigned short output[16];
output里已经有值了,我现在想把里面的值转成16进制,以字符串的形式放在buffer里返回!
char buffer[32];
memset(buffer,0,sizeof(buffer));
for(i=0; i<16; i++)
{
char tmp[2];
sprintf(tmp,"%02X", output[i]);
//buffer=strcat(buffer,tmp);
//sprintf(buffer,tmp);
//将output[i]以十六进制形式输出
//printf("%02X", output[i]);
}
printf(buffer);
------解决方案--------------------
char buffer[65]; //sizeof(unsigned short)*16*2+1
memset(buffer,0,sizeof(buffer));
for(i=0; i<16; i++)
{
int * lpbuffer=(int *)buffer;
char tmp[5]; //一个unsigned short类型的数据转为16进制的字符串需要四个字节储存,最后一位是结束符
sprintf(tmp,"%02X", output[i]);//这个函数我没有用过,会不会出问题不知道
lpbuffer[i]=*((int *)tmp); //需要复制的字节刚好是四个,所以可以这样简单的复制过去
}
printf(“%d",buffer);
------解决方案--------------------
unsigned short output[16]={};
char buffer[33]={};
for(int i=0;i<16;++i)
{
char tmp[3]={};
sprintf(tmp,"%02X", output[i]);
strcat(buffer,tmp);
}
------解决方案--------------------
最后试出结果没
------解决方案--------------------
仅供参考:
void HexDump(char *buf,int len,int addr) {
int i,j,k;
char binstr[80];
for (i=0;i<len;i++) {
if (0==(i%16)) {
sprintf(binstr,"%08x -",i+addr);
sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);
} else if (15==(i%16)) {
sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);
sprintf(binstr,"%s ",binstr);
for (j=i-15;j<=i;j++) {
sprintf(binstr,"%s%c",binstr,('!'<buf[j]&&buf[j]<='~')?buf[j]:'.');
}
printf("%s\n",binstr);
} else {
sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);
}
}
if (0!=(i%16)) {
k=16-(i%16);
for (j=0;j<k;j++) {
sprintf(binstr,"%s ",binstr);
}
sprintf(binstr,"%s ",binstr);
k=16-k;
for (j=i-k;j<i;j++) {
sprintf(binstr,"%s%c",binstr,('!'<buf[j]&&buf[j]<='~')?buf[j]:'.');
}
printf("%s\n",binstr);
}
}