Fabian Ebner <f.eb...@proxmox.com> writes:
> From: Stefan Reiter <s.rei...@proxmox.com>
>
> Adds support for the "-xV" parameter type, where "-x" denotes a flag
> name and the "V" suffix indicates that this flag is supposed to take
> an arbitrary string parameter.
>
> These parameters are always optional, the entry in the qdict will be
> omitted if the flag is not given.
>
> Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
> Reviewed-by: Eric Blake <ebl...@redhat.com>
> Signed-off-by: Stefan Reiter <s.rei...@proxmox.com>
> [FE: fixed typo pointed out by Eric Blake]
> Signed-off-by: Fabian Ebner <f.eb...@proxmox.com>
> ---
> monitor/hmp.c | 19 ++++++++++++++++++-
> monitor/monitor-internal.h | 3 ++-
> 2 files changed, 20 insertions(+), 2 deletions(-)
>
> diff --git a/monitor/hmp.c b/monitor/hmp.c
> index b20737e63c..fd4f5866c7 100644
> --- a/monitor/hmp.c
> +++ b/monitor/hmp.c
> @@ -981,6 +981,7 @@ static QDict *monitor_parse_arguments(Monitor *mon,
> {
> const char *tmp = p;
> int skip_key = 0;
> + int ret;
> /* option */
>
> c = *typestr++;
> @@ -1003,11 +1004,27 @@ static QDict *monitor_parse_arguments(Monitor *mon,
> }
> if (skip_key) {
> p = tmp;
> + } else if (*typestr == 'V') {
> + /* has option with string value */
> + typestr++;
> + tmp = p++;
> + while (qemu_isspace(*p)) {
> + p++;
> + }
> + ret = get_str(buf, sizeof(buf), &p);
> + if (ret < 0) {
> + monitor_printf(mon, "%s: value expected for
> -%c\n",
> + cmd->name, *tmp);
> + goto fail;
> + }
> + qdict_put_str(qdict, key, buf);
> } else {
> - /* has option */
> + /* has boolean option */
> p++;
> qdict_put_bool(qdict, key, true);
> }
> + } else if (*typestr == 'V') {
> + typestr++;
> }
> }
> break;
> diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
> index 3da3f86c6a..a4cb307c8a 100644
> --- a/monitor/monitor-internal.h
> +++ b/monitor/monitor-internal.h
> @@ -63,7 +63,8 @@
> * '.' other form of optional type (for 'i' and 'l')
> * 'b' boolean
> * user mode accepts "on" or "off"
> - * '-' optional parameter (eg. '-f')
> + * '-' optional parameter (eg. '-f'); if followed by a 'V', it
> + * specifies an optional string param (e.g. '-fV' allows '-f
> foo')
> *
> */
For what it's worth, getopt() uses ':' after the option character for
"takes an argument".
Happy to make that tweak in my tree. But see my review of PATCH 3
first.
