check_icmp: add long options, add output format option

This commit switches check_icmp from getopt to getopt_long
to provide long options too and (most importantly) homogenize
option parsing between the different plugins.

1 files changed, 2 insertions, 0 deletions

diff --git a/plugins-root/check_icmp.d/check_icmp_helpers.c b/plugins-root/check_icmp.d/check_icmp_helpers.c
index ec786305..9acc96fd 100644
--- a/plugins-root/check_icmp.d/check_icmp_helpers.c
+++ b/plugins-root/check_icmp.d/check_icmp_helpers.c
@@ -52,6 +52,8 @@ check_icmp_config check_icmp_config_init() {
 
                 .number_of_hosts = 0,
                 .hosts = NULL,
+
+                .output_format_is_set = false,
         };
         return tmp;
 }