On Thu, Feb 01, 2018 at 11:37:15AM +0100, Philipp Zabel wrote:
> Add an option parser using strtoull_suffix that can be used to
> parse a loop mount offset option.
>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
> include/parseopt.h | 2 ++
> lib/parseopt.c | 30 ++++++++++++++++++++++++++++++
> 2 files changed, 32 insertions(+)
Applied, thanks
Sascha
>
> diff --git a/include/parseopt.h b/include/parseopt.h
> index 1f9763f8c9..273a371ac3 100644
> --- a/include/parseopt.h
> +++ b/include/parseopt.h
> @@ -1,5 +1,7 @@
> #ifndef __PARSEOPT_H__
> #define __PARSEOPT_H__
> +void parseopt_llu_suffix(const char *options, const char *opt,
> + unsigned long long *val);
>
> void parseopt_b(const char *options, const char *opt, bool *val);
> void parseopt_hu(const char *options, const char *opt, unsigned short *val);
> diff --git a/lib/parseopt.c b/lib/parseopt.c
> index 8211733e3b..70983066d9 100644
> --- a/lib/parseopt.c
> +++ b/lib/parseopt.c
> @@ -122,3 +122,33 @@ again:
>
> *val = xstrndup(parsed, endp - parsed);
> }
> +
> +void parseopt_llu_suffix(const char *options, const char *opt,
> + unsigned long long *val)
> +{
> + const char *start;
> + size_t optlen = strlen(opt);
> + unsigned long long v;
> + char *endp;
> +
> +again:
> + start = strstr(options, opt);
> +
> + if (!start)
> + return;
> +
> + if (start > options && start[-1] != ',') {
> + options = start;
> + goto again;
> + }
> +
> + if (start[optlen] != '=') {
> + options = start;
> + goto again;
> + }
> +
> + v = strtoull_suffix(start + optlen + 1, &endp, 0);
> +
> + if (*endp == ',' || *endp == '\0')
> + *val = v;
> +}
> --
> 2.15.1
>
>
> _______________________________________________
> barebox mailing list
> barebox@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/barebox
>
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
