diff options
| author | Phil Sutter <phil@nwl.cc> | 2019-10-22 22:55:08 +0200 |
|---|---|---|
| committer | Phil Sutter <phil@nwl.cc> | 2019-10-30 10:00:59 +0100 |
| commit | 284a3e67563a8984fb0f513e1dc27a2364a12ce2 (patch) | |
| tree | 41a66f581b4e05fc28e329f2e9a8996d76ebc843 /iptables/xshared.c | |
| parent | 45989e8fbec52fcbafa5ae9917fc2a0d62e3640d (diff) | |
xshared: Share a common implementation of parse_rulenumber()
The function is really small, but still copied four times.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'iptables/xshared.c')
| -rw-r--r-- | iptables/xshared.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/iptables/xshared.c b/iptables/xshared.c index 3baa805c..2a0077d9 100644 --- a/iptables/xshared.c +++ b/iptables/xshared.c @@ -759,3 +759,15 @@ void add_command(unsigned int *cmd, const int newcmd, cmd2char(newcmd), cmd2char(*cmd & (~othercmds))); *cmd |= newcmd; } + +/* Can't be zero. */ +int parse_rulenumber(const char *rule) +{ + unsigned int rulenum; + + if (!xtables_strtoui(rule, NULL, &rulenum, 1, INT_MAX)) + xtables_error(PARAMETER_PROBLEM, + "Invalid rule number `%s'", rule); + + return rulenum; +} |