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| author | Simon Robertshaw <simon@hardwired.org.uk> | 2011-07-12 13:54:47 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-07-12 13:54:47 (GMT) |
| commit | d7053422f14d60daca97a3c3c321ae82fd82025a (patch) | |
| tree | 7918a6c8ecdace43719449995773521be73220c1 /src | |
| parent | aaaed342efc57e4c94aebac85b3c50f6ee0725de (diff) | |
| download | powder-d7053422f14d60daca97a3c3c321ae82fd82025a.zip powder-d7053422f14d60daca97a3c3c321ae82fd82025a.tar.gz | |
fix potential crashes with LIFE - jacksonmj
Diffstat (limited to 'src')
| -rw-r--r-- | src/powder.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/powder.c b/src/powder.c index 2a72fee..853914d 100644 --- a/src/powder.c +++ b/src/powder.c @@ -831,7 +831,7 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a if (t==goltype[r]) parts[i].tmp = grule[r+1][9] - 1; }*/ - if (t==PT_LIFE) + if (t==PT_LIFE && v<NGOLALT) { parts[i].tmp = grule[v+1][9] - 1; parts[i].ctype = v; @@ -1486,6 +1486,10 @@ void update_particles_i(pixel *vid, int start, int inc) if (parts[r>>8].type==PT_LIFE/* && parts[r>>8].ctype==golnum-1*/) { golnum = parts[r>>8].ctype+1; + if (golnum<=0 || golnum>NGOLALT) { + parts[r>>8].type = PT_NONE; + continue; + } if (parts[r>>8].tmp == grule[golnum][9]-1) { gol[nx][ny] = golnum; for ( nnx=-1; nnx<2; nnx++) |