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-rw-r--r--util/qemu-option.c38
1 files changed, 36 insertions, 2 deletions
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 557b6c6626..9a5f263294 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -208,17 +208,51 @@ out:
return result;
}
+static const char *opt_type_to_string(enum QemuOptType type)
+{
+ switch (type) {
+ case QEMU_OPT_STRING:
+ return "str";
+ case QEMU_OPT_BOOL:
+ return "bool (on/off)";
+ case QEMU_OPT_NUMBER:
+ return "num";
+ case QEMU_OPT_SIZE:
+ return "size";
+ }
+
+ g_assert_not_reached();
+}
+
void qemu_opts_print_help(QemuOptsList *list)
{
QemuOptDesc *desc;
+ int i;
+ GPtrArray *array = g_ptr_array_new();
assert(list);
desc = list->desc;
while (desc && desc->name) {
- printf("%-16s %s\n", desc->name,
- desc->help ? desc->help : "No description available");
+ GString *str = g_string_new(NULL);
+ if (list->name) {
+ g_string_append_printf(str, "%s.", list->name);
+ }
+ g_string_append_printf(str, "%s=%s", desc->name,
+ opt_type_to_string(desc->type));
+ if (desc->help) {
+ g_string_append_printf(str, " - %s", desc->help);
+ }
+ g_ptr_array_add(array, g_string_free(str, false));
desc++;
}
+
+ g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
+ for (i = 0; i < array->len; i++) {
+ printf("%s\n", (char *)array->pdata[i]);
+ }
+ g_ptr_array_set_free_func(array, g_free);
+ g_ptr_array_free(array, true);
+
}
/* ------------------------------------------------------------------ */