Before revision: To fix this unsafe program, use strncpy to prevent a possible buffer overflow.int secure_function(char * user_input) { char dst[BUF_SIZE]; // copy a maximum of BUF_SIZE bytes strncpy(dst, user_input, BUF_SIZE); // set the last character in the buffer to NUL ,
After revision: To fix this unsafe program. use strncpy to prevent a possible buffer overflow.int secure_function(char * user_input) { char dst[BUF_SIZE]; // copy a maximum of BUF_SIZE bytes strncpy(dst, user_input, BUF_SIZE); // set the last character in the buffer to NUL ,