7 void reliable_read(raw_input_func_t* input_func, void* userdata, uint8_t* buf, size_t len)
10 ssize_t bytes_read = input_func(userdata, buf, len);
11 assert(bytes_read <= (ssize_t)len);
13 // TODO: We need better error handling here. setjmp()/longjmp()
14 // should hopefully do the trick, but we need to take care for
16 if (bytes_read == (ssize_t)-1) {
17 fprintf(stderr, "Input function returned error\n");
20 if (bytes_read == 0) {
21 fprintf(stderr, "Premature EOF\n");
30 uint8_t read_uint8(raw_input_func_t* input_func, void* userdata)
33 reliable_read(input_func, userdata, &ret, 1);
37 uint16_t read_uint16(raw_input_func_t* input_func, void* userdata)
40 reliable_read(input_func, userdata, buf, 2);
41 return (buf[0] << 8) | buf[1];