block: Simplify setting numeric options
Don't convert numbers to strings for use with qemu_opt_set(), simply
use qemu_opt_set_number() instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
diff --git a/blockdev.c b/blockdev.c
index 5aa23b5..b9c1c0c 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -180,7 +180,6 @@
const char *optstr)
{
QemuOpts *opts;
- char buf[32];
opts = drive_def(optstr);
if (!opts) {
@@ -190,8 +189,7 @@
qemu_opt_set(opts, "if", if_name[type], &error_abort);
}
if (index >= 0) {
- snprintf(buf, sizeof(buf), "%d", index);
- qemu_opt_set(opts, "index", buf, &error_abort);
+ qemu_opt_set_number(opts, "index", index, &error_abort);
}
if (file)
qemu_opt_set(opts, "file", file, &error_abort);