X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_dns.c;h=c0ea298278049237e8f86fe9a4690851e2d86052;hb=07a08052081b59d26add4adf0ae4519fbacb8a36;hp=714ecab077530ad01e748112cc6d36a213631a35;hpb=2a68978c564e53cddc90882ee7776a43839dfcff;p=nagiosplug.git

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 714ecab..c0ea298 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -48,7 +48,7 @@
 #include "popen.h"
 #include "utils.h"
 
-#define PROGNAME "check_dns"
+const char *progname = "check_dns";
 #define REVISION "$Revision$"
 #define COPYRIGHT "2000-2002"
 
@@ -292,14 +292,14 @@ process_arguments (int argc, char **argv)
 
 		switch (c) {
 		case '?': /* args not parsable */
-			printf ("%s: Unknown argument: %s\n\n", PROGNAME, optarg);
+			printf ("%s: Unknown argument: %s\n\n", progname, optarg);
 			print_usage ();
 			exit (STATE_UNKNOWN);
 		case 'h': /* help */
 			print_help ();
 			exit (STATE_OK);
 		case 'V': /* version */
-			print_revision (PROGNAME, REVISION);
+			print_revision (progname, REVISION);
 			exit (STATE_OK);
 		case 'v': /* version */
 			verbose = TRUE;
@@ -352,22 +352,22 @@ process_arguments (int argc, char **argv)
 	}
 
 	c = optind;
-	if (query_address[0] == 0) {
-		if (is_host (argv[c]) == FALSE) {
+	if (strlen(query_address)==0 && c<argc) {
+		if (is_host(argv[c])==FALSE) {
 			printf ("Invalid name/address: %s\n\n", argv[c]);
 			return ERROR;
 		}
-		if (strlen (argv[c]) >= ADDRESS_LENGTH)
+		if (strlen(argv[c])>=ADDRESS_LENGTH)
 			terminate (STATE_UNKNOWN, "Input buffer overflow\n");
 		strcpy (query_address, argv[c++]);
 	}
 
-	if (dns_server[0] == 0) {
-		if (is_host (argv[c]) == FALSE) {
+	if (strlen(dns_server)==0 && c<argc) {
+		if (is_host(argv[c]) == FALSE) {
 			printf ("Invalid name/address: %s\n\n", argv[c]);
 			return ERROR;
 		}
-		if (strlen (argv[c]) >= ADDRESS_LENGTH)
+		if (strlen(argv[c]) >= ADDRESS_LENGTH)
 			terminate (STATE_UNKNOWN, "Input buffer overflow\n");
 		strcpy (dns_server, argv[c++]);
 	}
@@ -388,13 +388,13 @@ void
 print_usage (void)
 {
 	printf ("Usage: %s -H host [-s server] [-a expected-address] [-t timeout]\n" "       %s --help\n"
-					"       %s --version\n", PROGNAME, PROGNAME, PROGNAME);
+					"       %s --version\n", progname, progname, progname);
 }
 
 void
 print_help (void)
 {
-	print_revision (PROGNAME, REVISION);
+	print_revision (progname, REVISION);
 	printf ("Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)\n\n");
 	print_usage ();
 	printf