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-rw-r--r--plugins/check_http.c2
-rw-r--r--plugins/check_smtp.c2
-rw-r--r--plugins/check_tcp.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/plugins/check_http.c b/plugins/check_http.c
index 5c8a80c6..63addfcc 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -285,7 +285,7 @@ process_arguments (int argc, char **argv)
#ifdef HAVE_SSL
if ((temp=strchr(optarg,','))!=NULL) {
*temp='\0';
- if (!is_intnonneg (temp))
+ if (!is_intnonneg (optarg))
usage2 (_("Invalid certificate expiration period"), optarg);
days_till_exp_warn = atoi(optarg);
*temp=',';
diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index a861a71e..79fa4824 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -593,7 +593,7 @@ process_arguments (int argc, char **argv)
#ifdef USE_OPENSSL
if ((temp=strchr(optarg,','))!=NULL) {
*temp='\0';
- if (!is_intnonneg (temp))
+ if (!is_intnonneg (optarg))
usage2 ("Invalid certificate expiration period", optarg);
days_till_exp_warn = atoi(optarg);
*temp=',';
diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index f464b15f..af3ae241 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -555,7 +555,7 @@ process_arguments (int argc, char **argv)
# ifdef USE_OPENSSL /* XXX */
if ((temp=strchr(optarg,','))!=NULL) {
*temp='\0';
- if (!is_intnonneg (temp))
+ if (!is_intnonneg (optarg))
usage2 (_("Invalid certificate expiration period"), optarg); days_till_exp_warn = atoi(optarg);
*temp=',';
temp++;