判断系统是大端还是小端

直接上代码

static inline bool isBigEndian()
{
    static int val = 0xaabb;
    unsigned char *p = (unsigned char *)&val;
    return (p[0]==0xaa && p[1]==0xbb);//高位存低字节
}

static inline bool isLittleEndian()
{
    static int val = 0xaabb;
    unsigned char *p =(unsigned char *)&val;
    return (p[0]==0xbb && p[1]==0xaa);//低位存低字节
}

欢迎拍砖^_^