纯情电话
用UINT32_MAX来判断两个无符号数相减的大小
#define UINT32_MAX (0xFFFFFFFF)#define UINT32_MAX (0xFFFFFFFF)uint32_t utils_time_is_expired(iotx_time_t *timer){ uint32_t cur_time; if (!timer) { return 1; } cur_tim...
