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Fix buffer overflow in getclosestcol_lim

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Patch from Nuke.YKT.

git-svn-id: https://svn.eduke32.com/eduke32@8315 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2019-11-27 07:33:08 +00:00 committed by Christoph Oelckers
parent 7698f73b55
commit ece20928a0
1 changed files with 2 additions and 2 deletions
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4
source/build/src/colmatch.cpp
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@ -92,7 +92,7 @@ int32_t getclosestcol_lim(int32_t const r, int32_t const g, int32_t const b, int
int mindist = -1;
int const k = (numclosestcolresults > COLRESULTSIZ) ? (COLRESULTSIZ-4) : (numclosestcolresults-4);
int const k = (numclosestcolresults > COLRESULTSIZ) ? COLRESULTSIZ : numclosestcolresults;
if (!numclosestcolresults) goto skip;
@ -101,7 +101,7 @@ int32_t getclosestcol_lim(int32_t const r, int32_t const g, int32_t const b, int
int i;
for (i = 0; i < k+4; i+=4)
for (i = 0; i <= k-4; i+=4)
{
if (col == (getclosestcol_results[i] & 0x00ffffff)) { mindist = i; break; }
if (col == (getclosestcol_results[i+1] & 0x00ffffff)) { mindist = i+1; break; }