On Fri, Dec 09, 2005 at 09:14:40AM -0800, Tim Roberts wrote:
>Jeff Chua wrote:
>
>>The following patch is needed in order to compile trident_video.c with
>>gcc-2.95.3 ...
>>
>>---
>>xfree86/xc/programs/Xserver/hw/xfree86/drivers/trident/trident_video.c.org
>>2005-12-09 12:05:15 +0800
>>+++
>>xfree86/xc/programs/Xserver/hw/xfree86/drivers/trident/trident_video.c
>>2005-12-09 12:05:43 +0800
>>@@ -666,10 +666,11 @@
>> OUTW(vgaIOBase + 4, ((width<<1) & 0xff00) | 0x91);
>> OUTW(vgaIOBase + 4, ((offset) & 0xff) << 8 | 0x92);
>> OUTW(vgaIOBase + 4, ((offset) & 0xff00) | 0x93);
>>- if (pTrident->Chipset >= CYBER9397)
>>+ if (pTrident->Chipset >= CYBER9397) {
>> OUTW(vgaIOBase + 4, ((offset) & 0x0f0000) >> 8 | 0x94);
>>- else
>>+ } else {
>> OUTW(vgaIOBase + 4, ((offset) & 0x070000) >> 8 | 0x94);
>>+ }
>
>
>Why? If the OUTW macro is generating multiple statements, then the OUTW
>macro should be fixed. Otherwise, this is just a nasty bug waiting to
>happen.
Yes, it needs to be fixed. It is currently a { ... } block. The
do { ... } while (0) trick would fix it.
David
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