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Diffstat (limited to 'isisd')
-rw-r--r--isisd/isis_main.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/isisd/isis_main.c b/isisd/isis_main.c
index 6971874d..74fc6475 100644
--- a/isisd/isis_main.c
+++ b/isisd/isis_main.c
@@ -80,6 +80,7 @@ struct option longopts[] = {
{"user", required_argument, NULL, 'u'},
{"group", required_argument, NULL, 'g'},
{"version", no_argument, NULL, 'v'},
+ {"dryrun", no_argument, NULL, 'C'},
{"help", no_argument, NULL, 'h'},
{0}
};
@@ -124,6 +125,7 @@ Daemon which manages IS-IS routing\n\n\
-u, --user User to run as\n\
-g, --group Group to run as\n\
-v, --version Print program version\n\
+-C, --dryrun Check configuration for validity and exit\n\
-h, --help Display this help and exit\n\
\n\
Report bugs to http://bugzilla.quagga.net\n", progname);
@@ -213,6 +215,7 @@ main (int argc, char **argv, char **envp)
struct thread thread;
char *config_file = NULL;
char *vty_addr = NULL;
+ int dryrun = 0;
/* Get the programname without the preceding path. */
progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]);
@@ -233,7 +236,7 @@ main (int argc, char **argv, char **envp)
/* Command line argument treatment. */
while (1)
{
- opt = getopt_long (argc, argv, "df:i:hA:p:P:u:g:v", longopts, 0);
+ opt = getopt_long (argc, argv, "df:i:hA:p:P:u:g:vC", longopts, 0);
if (opt == EOF)
break;
@@ -278,6 +281,9 @@ main (int argc, char **argv, char **envp)
print_version ("Zebra");
exit (0);
break;
+ case 'C':
+ dryrun = 1;
+ break;
case 'h':
usage (0);
break;
@@ -312,6 +318,10 @@ main (int argc, char **argv, char **envp)
vty_read_config (config_file, config_default);
vty_read_config (config_file, config_default);
+ /* Start execution only if not in dry-run mode */
+ if (dryrun)
+ return(0);
+
/* demonize */
if (daemon_mode)
daemon (0, 0);