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chardev: drop the Memory chardev driver

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It's not used anymore since the last commit.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Luiz Capitulino 2013-04-02 15:29:29 -04:00
parent 48c043d0d1
commit 4bf0bb8014
1 changed files with 0 additions and 64 deletions
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64
qemu-char.c
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@ -2796,70 +2796,6 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
return NULL;
}
/***********************************************************/
/* Memory chardev */
typedef struct {
size_t outbuf_size;
size_t outbuf_capacity;
uint8_t *outbuf;
} MemoryDriver;
static int mem_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
MemoryDriver *d = chr->opaque;
/* TODO: the QString implementation has the same code, we should
* introduce a generic way to do this in cutils.c */
if (d->outbuf_capacity < d->outbuf_size + len) {
/* grow outbuf */
d->outbuf_capacity += len;
d->outbuf_capacity *= 2;
d->outbuf = g_realloc(d->outbuf, d->outbuf_capacity);
}
memcpy(d->outbuf + d->outbuf_size, buf, len);
d->outbuf_size += len;
return len;
}
void qemu_chr_init_mem(CharDriverState *chr)
{
MemoryDriver *d;
d = g_malloc(sizeof(*d));
d->outbuf_size = 0;
d->outbuf_capacity = 4096;
d->outbuf = g_malloc0(d->outbuf_capacity);
memset(chr, 0, sizeof(*chr));
chr->opaque = d;
chr->chr_write = mem_chr_write;
}
QString *qemu_chr_mem_to_qs(CharDriverState *chr)
{
MemoryDriver *d = chr->opaque;
return qstring_from_substr((char *) d->outbuf, 0, d->outbuf_size - 1);
}
/* NOTE: this driver can not be closed with qemu_chr_delete()! */
void qemu_chr_close_mem(CharDriverState *chr)
{
MemoryDriver *d = chr->opaque;
g_free(d->outbuf);
g_free(chr->opaque);
chr->opaque = NULL;
chr->chr_write = NULL;
}
size_t qemu_chr_mem_osize(const CharDriverState *chr)
{
const MemoryDriver *d = chr->opaque;
return d->outbuf_size;
}
/*********************************************************/
/* Ring buffer chardev */