On Wed, Mar 11, 2026 at 07:02:19PM +0100, helg wrote:
> Add description of the valid return values for the fuse_opt_proc_t callback
> function that is passed to fuse_opt_parse(3).
> 
> ok?
 
I like it. OK claudio@
 
> Index: fuse_opt.3
> ===================================================================
> RCS file: /cvs/src/lib/libfuse/fuse_opt.3,v
> diff -u -p -r1.8 fuse_opt.3
> --- fuse_opt.3	2 Feb 2026 23:35:20 -0000	1.8
> +++ fuse_opt.3	11 Mar 2026 12:36:50 -0000
> @@ -331,6 +331,15 @@ return 0 on success or \-1 on error.
>  .Pp
>  .Fn fuse_opt_match
>  returns 1 on match or 0 if no match.
> +.Pp
> +The
> +.Fn fuse_opt_proc_t
> +callback shall return 1 to retain the option in the output argument vector,
> +or 0 to discard it.
> +This permits options to be preserved for subsequent processing.
> +A return value of \-1 indicates an error condition and causes
> +.Fn fuse_opt_parse
> +to terminate with failure.
>  .Sh EXAMPLES
>  .Bd -literal
>  #include <err.h>

-- 
:wq Claudio