diff options
| -rw-r--r-- | plugins/check_snmp.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c index 7c3bc4b9..d2f2f8b5 100644 --- a/plugins/check_snmp.c +++ b/plugins/check_snmp.c @@ -150,16 +150,18 @@ static char *fix_snmp_range(char *th) { double left, right; char *colon, *ret; - if (!(colon = strchr(th, ':'))) + + if ((colon = strchr(th, ':')) == NULL || *(colon + 1) == '\0') return th; - *colon = 0; left = strtod(th, NULL); right = strtod(colon + 1, NULL); - if (right >= left) { + if (right >= left) return th; - } - ret = malloc(strlen(th) + strlen(colon + 1) + 2); + + if ((ret = malloc(strlen(th) + 2)) == NULL) + die(STATE_UNKNOWN, _("Cannot malloc")); + *colon = '\0'; sprintf(ret, "@%s:%s", colon + 1, th); free(th); return ret; |