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ping: fix -Wformat-truncating warning with GCC

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Increase buffer size for the string representation of n_time

ICMP timestamp is a 32-bit number. In pr_ntime(), number of minutes
and seconds is always 2 characters wide. Max. number of hours is 4
characters wide. The buffer size should be at least:

4 + 2 + 2 + 1 (':') + 1 (':') + 1 ('\0') = 11

Submitted by:	Ján Sučan <sucanjan@gmail.com>
MFC after:	2 weeks
Sponsored by:	Google, inc. (Google Summer of Code 2019)
Differential Revision:	https://reviews.freebsd.org/D21325
This commit is contained in:
Alan Somers 2019-08-19 17:28:12 +00:00
parent 421c620837
commit 7898770a26
1 changed files with 1 additions and 1 deletions
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2
sbin/ping/ping.c
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@ -1661,7 +1661,7 @@ pr_retip(struct ip *ip)
static char *
pr_ntime(n_time timestamp)
{
static char buf[10];
static char buf[11];
int hour, min, sec;
sec = ntohl(timestamp) / 1000;