This patch prevents several DOS installers
from hanging when they check how much
XMS memory is available.
Changelog:
When freeing XMS memory block, return
an error if block has not been previously allocated.
Index: dlls/winedos/xms.c
===================================================================
RCS file: /home/wine/wine/dlls/winedos/xms.c,v
retrieving revision 1.2
diff -u -r1.2 xms.c
--- dlls/winedos/xms.c 9 Mar 2002 23:44:32 -0000 1.2
+++ dlls/winedos/xms.c 28 Apr 2002 16:12:49 -0000
@@ -84,7 +84,11 @@
break;
case 0x0a: /* Free Extended Memory Block */
TRACE("free extended memory block %04x\n",DX_reg(context));
- GlobalFree16(DX_reg(context));
+ if(!DX_reg(context) || GlobalFree16(DX_reg(context))) {
+ AX_reg(context) = 0; /* failure */
+ BL_reg(context) = 0xa2; /* invalid handle */
+ } else
+ AX_reg(context) = 1; /* success */
break;
case 0x0b: /* Move Extended Memory Block */
{
--
Jukka Heinonen <http://www.iki.fi/jhei/>
