Re: [LIP] Query:tcsetattr on disk file descriptor and free function issue.

On Sun, Jan 18, 2004 at 10:57:48PM -0800, Shehjar Tikoo wrote:
> 1. Can I use the tcXXXattr functions to get and set
> the attributes of the file descriptor to ICANON so
> that a read on this file descriptor returns only a
> single line? Something like what fgets does for
> standard io.

It is probably easier and more portable to just call fdopen() on your
descriptor and use fgets() itself.

> Should'nt the fprintf statement below cause a
> segmentation fault:
> 
> freepthead(head);
> fprintf(stdout,"%s\n",head->path);

Not necessarily. OTOH, if your freepthead() function were like:

free(head);
head = NULL;

then this will certainly dump core ("Dereferencing a null pointer").

Binand

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