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bus: simplify name handling

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Simplify a bit the code by using g_strdup_printf() and store it in a
non-const value so casting is no longer needed, and ownership is
clearer.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-07-15 12:04:49 +02:00
parent e9529768d4
commit f73480c36f
2 changed files with 7 additions and 16 deletions
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21
hw/core/bus.c
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@ -78,8 +78,7 @@ static void qbus_realize(BusState *bus, DeviceState *parent, const char *name)
{
const char *typename = object_get_typename(OBJECT(bus));
BusClass *bc;
char *buf;
int i, len, bus_id;
int i, bus_id;
bus->parent = parent;
@ -88,23 +87,15 @@ static void qbus_realize(BusState *bus, DeviceState *parent, const char *name)
} else if (bus->parent && bus->parent->id) {
/* parent device has id -> use it plus parent-bus-id for bus name */
bus_id = bus->parent->num_child_bus;
len = strlen(bus->parent->id) + 16;
buf = g_malloc(len);
snprintf(buf, len, "%s.%d", bus->parent->id, bus_id);
bus->name = buf;
bus->name = g_strdup_printf("%s.%d", bus->parent->id, bus_id);
} else {
/* no id -> use lowercase bus type plus global bus-id for bus name */
bc = BUS_GET_CLASS(bus);
bus_id = bc->automatic_ids++;
len = strlen(typename) + 16;
buf = g_malloc(len);
len = snprintf(buf, len, "%s.%d", typename, bus_id);
for (i = 0; i < len; i++) {
buf[i] = qemu_tolower(buf[i]);
bus->name = g_strdup_printf("%s.%d", typename, bus_id);
for (i = 0; bus->name[i]; i++) {
bus->name[i] = qemu_tolower(bus->name[i]);
}
bus->name = buf;
}
if (bus->parent) {
@ -229,7 +220,7 @@ static void qbus_finalize(Object *obj)
{
BusState *bus = BUS(obj);
g_free((char *)bus->name);
g_free(bus->name);
}
static const TypeInfo bus_info = {

2
include/hw/qdev-core.h
View File

@ -224,7 +224,7 @@ typedef struct BusChild {
struct BusState {
Object obj;
DeviceState *parent;
const char *name;
char *name;
HotplugHandler *hotplug_handler;
int max_index;
bool realized;