x86 NASM Assembly - Problems with Input

Question

I am working to take input from a user twice, and compare the input. If they are the same, the program exits. If not, it reprints the input from the first time, and waits fo

Answer 1

You are assuming sys.read returns the entire line. It is not required to do so. It may return after only one character, or even possibly after part of the second line.

You know, this kind of thing kind of ticks me off. This looks like a homework problem in writing in assembly, but the problem is not with the assembly, but with the assumptions in how the system calls work.

I really wish the instructors would provide an fgets library function for stuff like this.

Anyway, the stupid way to fix it is to read one byte at a time, looking for LF (byte 10) to end the loop.