Re: Another HP-UX IA64 Build patch

[Andreas Schwab <schwab@suse.de>]

James E Wilson <wilson@specifixinc.com> writes:

> On Thu, 2005-05-05 at 10:51, Steve Ellcey wrote:
>> I see it doesn't have the const modifier that libiberty has.  I didn't
>> get a warning or error presumbably because the build didn't include
>> libgen.h.
>
> This is a libiberty bug.  Try "man basename" on a linux system, and it
> will tell you that there are two versions of basename.  The posix one
> which takes a char * argument, and a glibc _GNU_SOURCE one which takes a
> const char * argument.  So this probably should be something like
> #if defined(_GNU_SOURCE)
> extern char *basename (const char *);
> #elif defined...
> extern char *basename (char *);
> #else
> extern char *basename ();
> #endif

Note that the POSIX basename function may modify the string in place (when
removing trailing slashes).  The GNU (and libiberty) version (naturally)
never does this.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
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