On Sat, Nov 15, 2008 at 6:52 AM, Bram Moolenaar <[EMAIL PROTECTED]> wrote:
>
> James -
>
>> Then this appears to be a difference (bug?) in your libc. This is not
>> the case with glibc 2.7 or 2.8 (the two systems I can currently test
>> on). Those error with ENOENT (as specified by SUS[0]).
>
> I'm on FreeBSD. I used this test program:
>
> #include <stdio.h>
> #include <sys/param.h>
> #include <stdlib.h>
> #include <errno.h>
>
> main()
> {
> char buf[PATH_MAX];
> char *s;
> errno = 0;
> buf[0] = 0;
> s = realpath("", buf);
> printf("errno = %d; s = %s; buf = %s\n", errno, s, buf);
> }
>
> Result (when pwd is /tmp):
>
> errno = 0; s = /tmp; buf = /tmp
errno = 2; s = (null); buf =
> The definition of realpath() doesn't say what happens for an empty
> string. It might handle it as "." or give an error.
SUS does specify what should happen. It's an error. FWIW, I've filed a
bug[0] against FreeBSD's behavior so we'll see what they think about it.
> Did you test my proposed solution on Linux? I think it should work
> everywhere.
Yes, I did. It works fine.
[0] - http://www.freebsd.org/cgi/query-pr.cgi?pr=128933
--
James
GPG Key: 1024D/61326D40 2003-09-02 James Vega <[EMAIL PROTECTED]>
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