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Fix: Variable 0x85 had no bounds checks.

pull/6889/head
frosch 2018-08-14 16:41:50 +02:00 committed by frosch
parent 703e7f8fc7
commit 6391d49277
1 changed files with 2 additions and 1 deletions
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src/newgrf.cpp
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@ -5907,7 +5907,8 @@ static uint32 GetParamVal(byte param, uint32 *cond_val)
/* Supported in Action 0x07 and 0x09, not 0x0D */ /* Supported in Action 0x07 and 0x09, not 0x0D */
return 0; return 0;
} else { } else {
uint32 param_val = _ttdpatch_flags[*cond_val / 0x20]; uint32 index = *cond_val / 0x20;
uint32 param_val = index < lengthof(_ttdpatch_flags) ? _ttdpatch_flags[index] : 0;
*cond_val %= 0x20; *cond_val %= 0x20;
return param_val; return param_val;
} }