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-rw-r--r--backends/baum.c23
-rw-r--r--backends/msmouse.c16
-rw-r--r--backends/testdev.c22
3 files changed, 24 insertions, 37 deletions
diff --git a/backends/baum.c b/backends/baum.c
index 109469e8f7..4b48cf02b9 100644
--- a/backends/baum.c
+++ b/backends/baum.c
@@ -85,7 +85,7 @@
#define BUF_SIZE 256
typedef struct {
- CharDriverState *chr;
+ CharDriverState parent;
brlapi_handle_t *brlapi;
int brlapi_fd;
@@ -255,7 +255,7 @@ static int baum_deferred_init(BaumDriverState *baum)
/* The serial port can receive more of our data */
static void baum_accept_input(struct CharDriverState *chr)
{
- BaumDriverState *baum = chr->opaque;
+ BaumDriverState *baum = (BaumDriverState *)chr;
int room, first;
if (!baum->out_buf_used)
@@ -281,22 +281,23 @@ static void baum_accept_input(struct CharDriverState *chr)
/* We want to send a packet */
static void baum_write_packet(BaumDriverState *baum, const uint8_t *buf, int len)
{
+ CharDriverState *chr = (CharDriverState *)baum;
uint8_t io_buf[1 + 2 * len], *cur = io_buf;
int room;
*cur++ = ESC;
while (len--)
if ((*cur++ = *buf++) == ESC)
*cur++ = ESC;
- room = qemu_chr_be_can_write(baum->chr);
+ room = qemu_chr_be_can_write(chr);
len = cur - io_buf;
if (len <= room) {
/* Fits */
- qemu_chr_be_write(baum->chr, io_buf, len);
+ qemu_chr_be_write(chr, io_buf, len);
} else {
int first;
uint8_t out;
/* Can't fit all, send what can be, and store the rest. */
- qemu_chr_be_write(baum->chr, io_buf, room);
+ qemu_chr_be_write(chr, io_buf, room);
len -= room;
cur = io_buf + room;
if (len > BUF_SIZE - baum->out_buf_used) {
@@ -471,7 +472,7 @@ static int baum_eat_packet(BaumDriverState *baum, const uint8_t *buf, int len)
/* The other end is writing some data. Store it and try to interpret */
static int baum_write(CharDriverState *chr, const uint8_t *buf, int len)
{
- BaumDriverState *baum = chr->opaque;
+ BaumDriverState *baum = (BaumDriverState *)chr;
int tocopy, cur, eaten, orig_len = len;
if (!len)
@@ -612,14 +613,13 @@ static void baum_chr_read(void *opaque)
static void baum_free(struct CharDriverState *chr)
{
- BaumDriverState *baum = chr->opaque;
+ BaumDriverState *baum = (BaumDriverState *)chr;
timer_free(baum->cellCount_timer);
if (baum->brlapi) {
brlapi__closeConnection(baum->brlapi);
g_free(baum->brlapi);
}
- g_free(baum);
}
static CharDriverState *chr_baum_init(const CharDriver *driver,
@@ -638,10 +638,7 @@ static CharDriverState *chr_baum_init(const CharDriver *driver,
if (!chr) {
return NULL;
}
- baum = g_malloc0(sizeof(BaumDriverState));
- baum->chr = chr;
-
- chr->opaque = baum;
+ baum = (BaumDriverState *)chr;
handle = g_malloc0(brlapi_getHandleSize());
baum->brlapi = handle;
@@ -663,13 +660,13 @@ static CharDriverState *chr_baum_init(const CharDriver *driver,
fail_handle:
g_free(handle);
g_free(chr);
- g_free(baum);
return NULL;
}
static void register_types(void)
{
static const CharDriver driver = {
+ .instance_size = sizeof(BaumDriverState),
.kind = CHARDEV_BACKEND_KIND_BRAILLE,
.create = chr_baum_init,
.chr_write = baum_write,
diff --git a/backends/msmouse.c b/backends/msmouse.c
index 2c238ba1b3..30087b358f 100644
--- a/backends/msmouse.c
+++ b/backends/msmouse.c
@@ -31,7 +31,8 @@
#define MSMOUSE_HI2(n) (((n) & 0xc0) >> 6)
typedef struct {
- CharDriverState *chr;
+ CharDriverState parent;
+
QemuInputHandlerState *hs;
int axis[INPUT_AXIS__MAX];
bool btns[INPUT_BUTTON__MAX];
@@ -42,7 +43,7 @@ typedef struct {
static void msmouse_chr_accept_input(CharDriverState *chr)
{
- MouseState *mouse = chr->opaque;
+ MouseState *mouse = (MouseState *)chr;
int len;
len = qemu_chr_be_can_write(chr);
@@ -122,9 +123,10 @@ static void msmouse_input_event(DeviceState *dev, QemuConsole *src,
static void msmouse_input_sync(DeviceState *dev)
{
MouseState *mouse = (MouseState *)dev;
+ CharDriverState *chr = (CharDriverState *)dev;
msmouse_queue_event(mouse);
- msmouse_chr_accept_input(mouse->chr);
+ msmouse_chr_accept_input(chr);
}
static int msmouse_chr_write (struct CharDriverState *s, const uint8_t *buf, int len)
@@ -135,10 +137,9 @@ static int msmouse_chr_write (struct CharDriverState *s, const uint8_t *buf, int
static void msmouse_chr_free(struct CharDriverState *chr)
{
- MouseState *mouse = chr->opaque;
+ MouseState *mouse = (MouseState *)chr;
qemu_input_handler_unregister(mouse->hs);
- g_free(mouse);
}
static QemuInputHandler msmouse_handler = {
@@ -165,12 +166,10 @@ static CharDriverState *qemu_chr_open_msmouse(const CharDriver *driver,
}
*be_opened = false;
- mouse = g_new0(MouseState, 1);
+ mouse = (MouseState *)chr;
mouse->hs = qemu_input_handler_register((DeviceState *)mouse,
&msmouse_handler);
- mouse->chr = chr;
- chr->opaque = mouse;
return chr;
}
@@ -178,6 +177,7 @@ static CharDriverState *qemu_chr_open_msmouse(const CharDriver *driver,
static void register_types(void)
{
static const CharDriver driver = {
+ .instance_size = sizeof(MouseState),
.kind = CHARDEV_BACKEND_KIND_MSMOUSE,
.create = qemu_chr_open_msmouse,
.chr_write = msmouse_chr_write,
diff --git a/backends/testdev.c b/backends/testdev.c
index 233969391b..dfa4fe14a1 100644
--- a/backends/testdev.c
+++ b/backends/testdev.c
@@ -30,7 +30,8 @@
#define BUF_SIZE 32
typedef struct {
- CharDriverState *chr;
+ CharDriverState parent;
+
uint8_t in_buf[32];
int in_buf_used;
} TestdevCharState;
@@ -79,7 +80,7 @@ static int testdev_eat_packet(TestdevCharState *testdev)
/* The other end is writing some data. Store it and try to interpret */
static int testdev_write(CharDriverState *chr, const uint8_t *buf, int len)
{
- TestdevCharState *testdev = chr->opaque;
+ TestdevCharState *testdev = (TestdevCharState *)chr;
int tocopy, eaten, orig_len = len;
while (len) {
@@ -102,13 +103,6 @@ static int testdev_write(CharDriverState *chr, const uint8_t *buf, int len)
return orig_len;
}
-static void testdev_free(struct CharDriverState *chr)
-{
- TestdevCharState *testdev = chr->opaque;
-
- g_free(testdev);
-}
-
static CharDriverState *chr_testdev_init(const CharDriver *driver,
const char *id,
ChardevBackend *backend,
@@ -116,14 +110,10 @@ static CharDriverState *chr_testdev_init(const CharDriver *driver,
bool *be_opened,
Error **errp)
{
- TestdevCharState *testdev;
- CharDriverState *chr;
-
- testdev = g_new0(TestdevCharState, 1);
- testdev->chr = chr = g_new0(CharDriverState, 1);
+ TestdevCharState *testdev = g_new0(TestdevCharState, 1);;
+ CharDriverState *chr = (CharDriverState *)testdev;
chr->driver = driver;
- chr->opaque = testdev;
return chr;
}
@@ -131,10 +121,10 @@ static CharDriverState *chr_testdev_init(const CharDriver *driver,
static void register_types(void)
{
static const CharDriver driver = {
+ .instance_size = sizeof(TestdevCharState),
.kind = CHARDEV_BACKEND_KIND_TESTDEV,
.create = chr_testdev_init,
.chr_write = testdev_write,
- .chr_free = testdev_free,
};
register_char_driver(&driver);
}