Re: sprintf and 64-bit integers
Re: sprintf and 64-bit integers
- Subject: Re: sprintf and 64-bit integers
- From: Andrew Farmer <email@hidden>
- Date: Mon, 14 Sep 2009 21:54:34 -0700
On 14 Sep 2009, at 11:48, Sean McBride wrote:
On 9/13/09 12:01 PM, Jens Alfke said:
It would be best to convert all your sprintf calls to snprintf, which
is a safer equivalent that won't overflow the buffer.
Yes, sprintf is pure evil. snprintf is less evil.
Also, I recommend adding -fstack-protector -D_FORTIFY_SOURCE=2, they
can
help catch some of these problems. And valgrind would probably have
caught this problem immediately.
Sadly, valgrind hasn't yet been updated to run under Snow Leopard.
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