print_option_help takes QEMUOptionParameter as parameter, add qemu_opts_print_help to take QemuOptsList as parameter for later replace work.
Reviewed-by: Eric Blake <ebl...@redhat.com> Signed-off-by: Dong Xu Wang <wdon...@linux.vnet.ibm.com> Signed-off-by: Chunyan Liu <cy...@suse.com> --- include/qemu/option.h | 1 + util/qemu-option.c | 13 +++++++++++++ 2 files changed, 14 insertions(+) diff --git a/include/qemu/option.h b/include/qemu/option.h index 6653e43..fbf5dc2 100644 --- a/include/qemu/option.h +++ b/include/qemu/option.h @@ -166,5 +166,6 @@ typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque); void qemu_opts_print(QemuOpts *opts); int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque, int abort_on_failure); +void qemu_opts_print_help(QemuOptsList *list); #endif diff --git a/util/qemu-option.c b/util/qemu-option.c index 32e1d50..adb7c3c 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -553,6 +553,19 @@ void print_option_help(QEMUOptionParameter *list) } } +void qemu_opts_print_help(QemuOptsList *list) +{ + QemuOptDesc *desc; + + assert(list); + desc = list->desc; + printf("Supported options:\n"); + while (desc && desc->name) { + printf("%-16s %s\n", desc->name, + desc->help ? desc->help : "No description available"); + desc++; + } +} /* ------------------------------------------------------------------ */ static QemuOpt *qemu_opt_find(QemuOpts *opts, const char *name) -- 1.8.4.5