[cs631apue] reading from stdin
kthompso
kthompso at stevens.edu
Fri Dec 2 12:34:32 EST 2016
> Should we use fgets to read from stdin or will the read system be okay?
I would not use fgets(3) to read in the data. From the documentation:
> char *fgets(char *s, int size, FILE *stream);
>
> fgets() reads in at most one less than size characters from stream and
> stores them into the buffer pointed to by s. Reading stops after an EOF
> or a newline. If a newline is read, it is stored into the buffer. A
> terminating null byte (aq\0aq) is stored after the last character in
> the buffer.
You basically don't want _any_ of that functionality, especially the
part
where it modifies incoming data. You would be better off using read(2)
with the stdin file descriptor.
-Kyle
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