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Re: [Nmh-workers] More puzzlement - expath() in sbr/path.c
From: |
Arun Bhalla |
Subject: |
Re: [Nmh-workers] More puzzlement - expath() in sbr/path.c |
Date: |
Fri, 28 Jan 2005 14:48:56 -0600 |
Jon Steinhart writes:
> There is code in expath in sbr/path.c that just can't be correct. The second
> main if statement in this function includes what is, after some substitutions
> ,
>
> if ( ... && strcmp(name, ".") && strcmp(name, "..") && ... )
>
> This can never be true!
>
> Can anybody out there explain to me what this function (and the others in
> path.c) are *supposed* to be doing so that I can make them do what they're
> supposed to do?
strcmp(s1, s2) returns a non-zero value when strings s1 and s2 are not
equal. If name is neither "." nor "..", then both of those functions would
return a non-zero value, and that expression would be true.
(You knew all that, but the code is a little terse and largely undocumented.)
cheers,
Arun