qemu-img: Print available options with -o ?
This patch adds a small help text to each of the options in the block drivers
which can be displayed by using qemu-img create -f fmt -o ?
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/qemu-option.c b/qemu-option.c
index 3cebdd5..646bbad 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -347,3 +347,16 @@
list++;
}
}
+
+/*
+ * Prints an overview of all available options
+ */
+void print_option_help(QEMUOptionParameter *list)
+{
+ printf("Supported options:\n");
+ while (list && list->name) {
+ printf("%-16s %s\n", list->name,
+ list->help ? list->help : "No description available");
+ list++;
+ }
+}