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write overflow check nicer (#6215)

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Christian Grothoff 2020-04-23 12:02:52 +02:00
parent 0774fd7020
commit c79a95c7d2
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1 changed files with 2 additions and 1 deletions
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3
src/util/amount.c
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@ -126,7 +126,8 @@ TALER_string_to_amount (const char *str,
return GNUNET_SYSERR;
}
n = *value - '0';
if ( (amount->value * 10 + n < amount->value) ||
if ( (amount->value * 10 < amount->value) ||
(amount->value * 10 + n < amount->value) ||
(amount->value > MAX_AMOUNT_VALUE) )
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,