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Input validation: guard makepalookup 'pal', 2dcol 'col'. Add one const.

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git-svn-id: https://svn.eduke32.com/eduke32@2500 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-03-18 23:17:51 +00:00
parent eb52100654
commit 359614df70
3 changed files with 6 additions and 3 deletions
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2
polymer/eduke32/build/include/build.h
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@ -561,7 +561,7 @@ void loadtile(int16_t tilenume);
int32_t qloadkvx(int32_t voxindex, const char *filename);
int32_t allocatepermanenttile(int16_t tilenume, int32_t xsiz, int32_t ysiz);
//void copytilepiece(int32_t tilenume1, int32_t sx1, int32_t sy1, int32_t xsiz, int32_t ysiz, int32_t tilenume2, int32_t sx2, int32_t sy2);
void makepalookup(int32_t palnum, char *remapbuf, int8_t r, int8_t g, int8_t b, char dastat);
void makepalookup(int32_t palnum, const char *remapbuf, int8_t r, int8_t g, int8_t b, char dastat);
//void setvgapalette(void);
void setbasepaltable(uint8_t **basepaltable, uint8_t basepalcount);
void setbrightness(char dabrightness, uint8_t dapalid, uint8_t flags);

2
polymer/eduke32/build/src/defs.c
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@ -380,7 +380,7 @@ static int32_t defsparser(scriptfile *script)
if (scriptfile_getnumber(script,&g)) break;
if (scriptfile_getnumber(script,&b)) break;
if (col < 256)
if ((unsigned)col < 256)
{
vgapal16[col*4+0] = b; // blue
vgapal16[col*4+1] = g; // green

5
polymer/eduke32/build/src/engine.c
View file

@ -13519,13 +13519,16 @@ void rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
//
// makepalookup
//
void makepalookup(int32_t palnum, char *remapbuf, int8_t r, int8_t g, int8_t b, char dastat)
void makepalookup(int32_t palnum, const char *remapbuf, int8_t r, int8_t g, int8_t b, char dastat)
{
int32_t i, j, palscale;
char *ptr, *ptr2;
if (paletteloaded == 0) return;
if ((unsigned)palnum >= MAXPALOOKUPS)
return;
if (palookup[palnum] == NULL)
{
//Allocate palookup buffer