if it got rid of the UMRs.
----- Original Message ----- From: "Danny Backx" <[EMAIL PROTECTED]>
To: "Dave Williss" <[EMAIL PROTECTED]>
Cc: "LessTif Mailing List" <[EMAIL PROTECTED]>
Sent: Tuesday, October 26, 2004 5:26 PM
Subject: Re: [Lesstif-discuss] Uninitialized Memory Reads in Scale.c
Dave,
I have the feeling that it would help to change the #if 0 in Scale.c line 570 to #if 1. You have to add Dimension ht, wd; XmKidGeometry boxes; declarations for that to work though.
Could you check whether this doesn't break your app ?
Danny On Mon, 2004-10-25 at 16:43, Dave Williss wrote:I found a couple UMRs in Scale.c when running under Purify. These should probably be initialized in the widget's initialize code.
[W] UMR: Uninitialized memory read in showValue {6 occurrences}
Reading 4 bytes from 0x0eef54b8 (4 bytes at 0x0eef54b8 uninitialized)
Address 0x0eef54b8 is 304 bytes into a 432 byte block at 0x0eef5388
Address 0x0eef54b8 points to a malloc'd block in heap 0x06bd0000
Thread ID: 0x148
Error location
showValue [scale.c:2007]
if (Scale_Orientation(w) == XmHORIZONTAL)
{
Scale_ShowValueX(w) = SCB_SliderX(sb) + (SCB_SliderWidth(sb)
>> 1) -
=> (Scale_ShowValueWidth(w) / 2) + XtX(sb);
Scale_ShowValueY(w) = XtY(sb) - Scale_ShowValueHeight(w); }
[W] UMR: Uninitialized memory read in XmScaleConvertScaleValueToSCBValue {6
occurrences}
Reading 4 bytes from 0x0eef54a8 (4 bytes at 0x0eef54a8
uninitialized)
Address 0x0eef54a8 is 288 bytes into a 432 byte block at 0x0eef5388
Address 0x0eef54a8 points to a malloc'd block in heap 0x06bd0000
Thread ID: 0x148
Error location
XmScaleConvertScaleValueToSCBValue [scale.c:2247]
DEBUGOUT(_LtDebug(__FILE__, w,
"_XmScaleConvertScaleValueToSCBValue()\n"));
roundarg = (double)(Scale_Value(w) - Scale_Minimum(w))
* (double)(SCB_MAX - SCB_MIN - Scale_SliderSize(w))
=> / (double)(Scale_Maximum(w) - Scale_Minimum(w));
/* amai: is this the correct formula?
looks like the old one in
_XmScaleConvertSCBValueToScaleValue() */
result = (int)(roundarg);
Reading 4 bytes from 0x0eef54b8 (4 bytes at 0x0eef54b8
uninitialized)
Address 0x0eef54b8 is 304 bytes into a 432 byte block at 0x0eef5388
Address 0x0eef54b8 points to a malloc'd block in heap 0x06bd0000
Thread ID: 0x148
Error location
showValue [scale.c:2007]
if (Scale_Orientation(w) == XmHORIZONTAL)
{
Scale_ShowValueX(w) = SCB_SliderX(sb) +
(SCB_SliderWidth(sb) >> 1) -
=> (Scale_ShowValueWidth(w) / 2) + XtX(sb);
Scale_ShowValueY(w) = XtY(sb) - Scale_ShowValueHeight(w); }
-- Dave Williss ------ Meddle not in the affairs of dragons, for you are crunchy and taste good with catsup
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