ping ?
On 14/09/2015 20:01, Laurent Vivier wrote:
> The goal is to be able to use '-help' alone, or with
> a sub-section, i.e. '-help=network,usb'.
>
> Signed-off-by: Laurent Vivier <lviv...@redhat.com>
> ---
> vl.c | 31 ++++++++++++++++++++-----------
> 1 file changed, 20 insertions(+), 11 deletions(-)
>
> diff --git a/vl.c b/vl.c
> index 1c8b28d..586ce55 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2703,19 +2703,28 @@ static const QEMUOption *lookup_opt(int argc, char
> **argv,
> error_report("invalid option");
> exit(1);
> }
> - if (!strcmp(popt->name, r + 1))
> - break;
> - popt++;
> - }
> - if (popt->flags & HAS_ARG) {
> - if (optind >= argc) {
> - error_report("requires an argument");
> - exit(1);
> + /* manage arg type: -arg[=param] */
> + optarg = strchr(r + 1, '=');
> + if (optarg) {
> + if (!strncmp(popt->name, r + 1, optarg - (r + 1))) {
> + optarg++; /* skip '=' */
> + break;
> + }
> + } else {
> + if (!strcmp(popt->name, r + 1)) {
> + if (popt->flags & HAS_ARG) {
> + if (optind >= argc) {
> + error_report("requires an argument");
> + exit(1);
> + }
> + optarg = argv[optind++];
> + loc_set_cmdline(argv, optind - 2, 2);
> + }
> + break;
> + }
> }
> - optarg = argv[optind++];
> - loc_set_cmdline(argv, optind - 2, 2);
> - } else {
> optarg = NULL;
> + popt++;
> }
>
> *poptarg = optarg;
>
