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--- classes/tdisplay.cc.orig 2017-08-18 14:39:55 UTC
+++ classes/tdisplay.cc
@@ -22,6 +22,11 @@ same used in original Turbo Vision for compatibility p
#define Uses_TVCodePage
#include <tv.h>
+inline unsigned int absdiff(unsigned int a, unsigned int b)
+{
+ return (a>=b)?a-b:b-a;
+}
+
// Remove me please!
int TDisplay::dual_display=0;
@@ -381,10 +386,10 @@ Boolean TDisplay::searchClosestRes(TScreenResolution *
if (firstXMatch!=-1)
{// Return the closest y that match x
i=indexMin=firstXMatch;
- minDif=abs(res[i].y-y);
+ minDif=absdiff(res[i].y,y);
while (++i<cant && res[i].x==x)
{
- dif=abs(res[i].y-y);
+ dif=absdiff(res[i].y,y);
if (dif<minDif)
{
minDif=dif;
@@ -396,11 +401,11 @@ Boolean TDisplay::searchClosestRes(TScreenResolution *
}
// No x match, looks the one with minimum differences
indexMin=0;
- minDif=abs(res[0].y-y)+abs(res[0].x-x);
+ minDif=absdiff(res[0].y,y)+absdiff(res[0].x,x);
i=1;
while (i<cant)
{
- dif=abs(res[i].y-y)+abs(res[i].x-x);
+ dif=absdiff(res[i].y,y)+absdiff(res[i].x,x);
if (dif<minDif)
{
minDif=dif;
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