[dm-devel] [PATCH v2 27/29] multipathd: common code for "-k" and command args
mwilck at suse.com
mwilck at suse.com
Fri Oct 16 10:44:59 UTC 2020
From: Martin Wilck <mwilck at suse.com>
'multipathd -k"cmd"' and 'multipath cmd' are the same thing.
Treat it with common code.
Signed-off-by: Martin Wilck <mwilck at suse.com>
---
multipathd/main.c | 37 +++++++++++++++++++------------------
1 file changed, 19 insertions(+), 18 deletions(-)
diff --git a/multipathd/main.c b/multipathd/main.c
index 725a10b..0cf8a26 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -3303,6 +3303,8 @@ main (int argc, char *argv[])
int err;
int foreground = 0;
struct config *conf;
+ char *opt_k_arg = NULL;
+ bool opt_k = false;
ANNOTATE_BENIGN_RACE_SIZED(&multipath_conf, sizeof(multipath_conf),
"Manipulated through RCU");
@@ -3350,16 +3352,9 @@ main (int argc, char *argv[])
logsink = LOGSINK_STDERR_WITHOUT_TIME;
break;
case 'k':
- logsink = 0;
- conf = load_config(DEFAULT_CONFIGFILE);
- if (!conf)
- exit(1);
- if (verbosity)
- libmp_verbosity = verbosity;
- uxsock_timeout = conf->uxsock_timeout;
- err = uxclnt(optarg, uxsock_timeout + 100);
- free_config(conf);
- return err;
+ opt_k = true;
+ opt_k_arg = optarg;
+ break;
case 'B':
bindings_read_only = 1;
break;
@@ -3375,7 +3370,7 @@ main (int argc, char *argv[])
exit(1);
}
}
- if (optind < argc) {
+ if (opt_k || optind < argc) {
char cmd[CMDSIZE];
char * s = cmd;
char * c = s;
@@ -3390,14 +3385,20 @@ main (int argc, char *argv[])
libmp_verbosity = verbosity;
uxsock_timeout = conf->uxsock_timeout;
memset(cmd, 0x0, CMDSIZE);
- while (optind < argc) {
- if (strchr(argv[optind], ' '))
- c += snprintf(c, s + CMDSIZE - c, "\"%s\" ", argv[optind]);
- else
- c += snprintf(c, s + CMDSIZE - c, "%s ", argv[optind]);
- optind++;
+ if (opt_k)
+ s = opt_k_arg;
+ else {
+ while (optind < argc) {
+ if (strchr(argv[optind], ' '))
+ c += snprintf(c, s + CMDSIZE - c,
+ "\"%s\" ", argv[optind]);
+ else
+ c += snprintf(c, s + CMDSIZE - c,
+ "%s ", argv[optind]);
+ optind++;
+ }
+ c += snprintf(c, s + CMDSIZE - c, "\n");
}
- c += snprintf(c, s + CMDSIZE - c, "\n");
err = uxclnt(s, uxsock_timeout + 100);
free_config(conf);
return err;
--
2.28.0
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