On 8/13/20 5:10 PM, David Laight wrote:
From: Josef Bacik
Sent: 13 August 2020 18:19
...
We wouldn't even need the extra +1 part, since we're only copying in how much
the user wants anyway, we could just go ahead and convert this to
left -= snprintf(buffer, left, "0x%04x\n", *(unsigned int *) table->data);
and be fine, right? Or am I misunderstanding what you're looking for? Thanks,
Doesn't that need to be scnprintf()?
IIRC snprintf() returns the number of bytes that would have been
written were the buffer infinite size?
(I suspect this is an 'accidental' return value from the original
SYSV? userspace implementation that just dumped characters that
wouldn't fit in the buffer somewhere.)
Yeah, if you look at the patches I just sent you'll notice I used scnprintf()
everywhere. Thanks,
Josef
