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Wrap 3rd parameter in FindValueInArray to check for existence.

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This commit is contained in:
Sean Lewis 2014-12-06 17:07:54 -06:00
parent 3ef2bdcb8d
commit d2e01da287
1 changed files with 7 additions and 1 deletions
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8
core/logic/smn_adt_array.cpp
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@ -550,7 +550,13 @@ static cell_t FindValueInArray(IPluginContext *pContext, const cell_t *params)
return pContext->ThrowNativeError("Invalid Handle %x (error: %d)", params[1], err); return pContext->ThrowNativeError("Invalid Handle %x (error: %d)", params[1], err);
} }
size_t blocknumber = (size_t) params[3]; // the blocknumber is not guaranteed to always be passed
size_t blocknumber = 0;
if (params[0] >= 3)
{
blocknumber = (size_t) params[3];
}
if (blocknumber >= array->blocksize()) if (blocknumber >= array->blocksize())
{ {
return pContext->ThrowNativeError("Invalid block %d (blocksize: %d)", blocknumber, array->blocksize()); return pContext->ThrowNativeError("Invalid block %d (blocksize: %d)", blocknumber, array->blocksize());