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| author | Igor Mammedov <imammedo@redhat.com> | 2014-03-03 11:30:06 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-03-13 14:42:24 +0100 |
| commit | 7d1de46448d0d52183c397d76fbc86cb614ed21b (patch) | |
| tree | 2f2becddb7cea4426ec6de58107e166008f78ffb /hw/core | |
| parent | be8d8537668c9be7a8dee6aed94b2b3f9fcd4a9f (diff) | |
| download | qemu-7d1de46448d0d52183c397d76fbc86cb614ed21b.tar.gz | |
qdev: make get_pointer() handle temporary strings
get_pointer()'s print() callback might return a heap allocated
string, to avoid adding dedicated get_pointer_foo for this case
convert current print() callbacks to return temporary heap
allocated string and make get_pointer() free it.
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/qdev-properties-system.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 5f5957ed8e..878c3bc049 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -20,15 +20,16 @@ #include "sysemu/char.h" static void get_pointer(Object *obj, Visitor *v, Property *prop, - const char *(*print)(void *ptr), + char *(*print)(void *ptr), const char *name, Error **errp) { DeviceState *dev = DEVICE(obj); void **ptr = qdev_get_prop_ptr(dev, prop); char *p; - p = (char *) (*ptr ? print(*ptr) : ""); + p = *ptr ? print(*ptr) : g_strdup(""); visit_type_str(v, &p, name, errp); + g_free(p); } static void set_pointer(Object *obj, Visitor *v, Property *prop, @@ -91,9 +92,9 @@ static void release_drive(Object *obj, const char *name, void *opaque) } } -static const char *print_drive(void *ptr) +static char *print_drive(void *ptr) { - return bdrv_get_device_name(ptr); + return g_strdup(bdrv_get_device_name(ptr)); } static void get_drive(Object *obj, Visitor *v, void *opaque, @@ -145,11 +146,12 @@ static void release_chr(Object *obj, const char *name, void *opaque) } -static const char *print_chr(void *ptr) +static char *print_chr(void *ptr) { CharDriverState *chr = ptr; + const char *val = chr->label ? chr->label : ""; - return chr->label ? chr->label : ""; + return g_strdup(val); } static void get_chr(Object *obj, Visitor *v, void *opaque, @@ -224,11 +226,12 @@ err: return ret; } -static const char *print_netdev(void *ptr) +static char *print_netdev(void *ptr) { NetClientState *netdev = ptr; + const char *val = netdev->name ? netdev->name : ""; - return netdev->name ? netdev->name : ""; + return g_strdup(val); } static void get_netdev(Object *obj, Visitor *v, void *opaque, |