On Tue, Jun 19, 2012 at 05:27:11AM +0000, Poul-Henning Kamp wrote:
> In message <68fbe843-7337-4c90-b01f-e0caabb62...@gsoft.com.au>, "Daniel
> O'Conno
> r" writes:
>
> >> If size is odd, this does not copy the last byte. Not sure, whether =
> >this is intended.
>
> Feel free to improve...
Index: fbreg.h
===================================================================
--- fbreg.h (revision 237289)
+++ fbreg.h (working copy)
@@ -39,9 +39,12 @@
static __inline void
copyw(uint16_t *src, uint16_t *dst, size_t size)
{
+ const int is_odd = (size & 0x1);
size >>= 1;
while (size--)
*dst++ = *src++;
+ if (is_odd)
+ *(char*)dst = *(char*)src; // copy last byte
}
#define bcopy_io(s, d, c) copyw((void*)(s), (void*)(d), (c))
#define bcopy_toio(s, d, c) copyw((void*)(s), (void*)(d), (c))
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