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fixed an array access problem by an out-of-range index in eval_indexed()

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hyung-hwan 2020-04-24 16:01:23 +00:00
parent f860798821
commit 1b7ef41ee4
1 changed files with 2 additions and 1 deletions
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hawk/lib/run.c
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@ -6918,7 +6918,8 @@ static hawk_val_t* eval_indexed (hawk_rtx_t* rtx, hawk_nde_var_t* var)
if (idx <= -1) return HAWK_NULL; if (idx <= -1) return HAWK_NULL;
arr = ((hawk_val_arr_t*)v)->arr; arr = ((hawk_val_arr_t*)v)->arr;
return HAWK_ARR_SLOT(arr, idx)? ((hawk_val_t*)HAWK_ARR_DPTR(arr, idx)): ((hawk_val_t*)&hawk_val_nil); /* return nil if the index is out of range or the element at the index is not set */
return (idx < HAWK_ARR_SIZE(arr) && HAWK_ARR_SLOT(arr, idx))? ((hawk_val_t*)HAWK_ARR_DPTR(arr, idx)): hawk_val_nil;
} }
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