@@ -177,6 +177,7 @@ void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp);
typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque);
void qemu_opts_print(QemuOpts *opts);
+void qemu_opts_print_help(QemuOpts *opts);
int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque,
int abort_on_failure);
@@ -1022,6 +1022,18 @@ void qemu_opts_print(QemuOpts *opts)
}
}
+void qemu_opts_print_help(QemuOpts *opts)
+{
+ QemuOptDesc *desc = opts->list->desc;
+
+ printf("Supported options:\n");
+
+ for (; desc && desc->name; desc++) {
+ printf("%-16s %s\n", desc->name, desc->help ?
+ desc->help : "No description available");
+ }
+}
+
static int opts_do_parse(QemuOpts *opts, const char *params,
const char *firstname, bool prepend)
{
Analogous to print_option_help(QEMUOptionParameter *list) this function displays the available key and help for each described QemuOptDesc in QemuOptList. Signed-off-by: Leandro Dorileo <l@dorileo.org> --- include/qemu/option.h | 1 + util/qemu-option.c | 12 ++++++++++++ 2 files changed, 13 insertions(+)