Re: [Qemu-devel] [PATCH v5 1/2] QEMUSizedBuffer based QEMUFile

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* zhanghailiang (zhang.zhanghailiang@huawei.com) wrote:
> On 2014/9/29 17:41, Dr. David Alan Gilbert (git) wrote:

> >+static ssize_t qsb_grow(QEMUSizedBuffer *qsb, size_t new_size)
> >+{
> >+    size_t needed_chunks, i;
> >+
> >+    if (qsb->size < new_size) {
> >+        struct iovec *new_iov;
> >+        size_t size_diff = new_size - qsb->size;
> >+        size_t chunk_size = (size_diff > QSB_MAX_CHUNK_SIZE)
> >+                             ? QSB_MAX_CHUNK_SIZE : QSB_CHUNK_SIZE;
> >+
> >+        needed_chunks = DIV_ROUND_UP(size_diff, chunk_size);
> >+
> >+        new_iov = g_try_malloc_n(qsb->n_iov + needed_chunks,
> >+                                 sizeof(struct iovec));
> 
> It seems that *g_try_malloc_n* was supported since glib2-2.24 version,
> But it don't check this when do *configure* before compile...;)

OK, that's a shame - it was a nice easy function to use :-)
I'll fix it.

Dave

--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK