[cs631apue] reading from stdin

[mseaton]

Thank you Kyle.
Marlon
On 12/02/2016 12:34 PM, kthompso wrote:
>> 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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