Re: avoid gcc compiler warning

[Ralf Wildenhues]

Hi Eric,

* Eric Blake wrote on Fri, Sep 26, 2008 at 05:57:06PM CEST:
> When I upgraded from 3.4.4 to gcc 4.3.2, I started seeing these warnings on 
> cygwin:
> 
> cc1: warnings being treated as errors
> ../ltdl/loaders/loadlibrary.c: In function 'vm_open':
> ../ltdl/loaders/loadlibrary.c:159: error: the address of 'wpath' will always 
> evaluate as 'true'
> 
> Applying this trivial patch (wchar was declared as an array):

This patch is not really defensive programming, right?
(The declaration is a screenful away, and we've had unwary
copying of code from one function to another before.)

Cheers,
Ralf

> From: Eric Blake <address@hidden>
> Date: Fri, 26 Sep 2008 09:43:04 -0600
> Subject: [PATCH] Avoid gcc warning.
> 
> * libltdl/loaders/loadlibrary.c (vm_open): Don't check for array
> being a NULL pointer.

> -         len = LT_STRLEN (wpath);
> +         len = strlen (wpath);