[Rpm-maint] [rpm-software-management/rpm] Trap division by zero in expression parser (#844)
Panu Matilainen
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Wed Sep 18 11:00:31 UTC 2019
pmatilai commented on this pull request.
> @@ -438,6 +438,10 @@ static Value doMultiplyDivide(ParseState state)
if (valueIsInteger(v1)) {
int i1 = v1->data.i, i2 = v2->data.i;
+ if ((i2 == 0) && (TOK_DIVIDE)) {
Ugh, yeah:
```
$ ./rpm --eval "%{expr:1*0}"
error: division by zero: 1*0
```
Thanks for spotting, I admit I barely looked at the implementation, this is originally @pavlinamv 's patch in PR #833.
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