confile: add getter for lxc.init_cmd

src/lxc/confile.c

@@ -183,6 +183,8 @@ static int set_config_environment(const char *, const char *, struct lxc_conf *)
 static int get_config_environment(struct lxc_container *, const char *, char *, int);
 
 static int set_config_init_cmd(const char *, const char *, struct lxc_conf *);
+static int get_config_init_cmd(struct lxc_container *, const char *, char *, int);
+
 static int set_config_init_uid(const char *, const char *, struct lxc_conf *);
 static int set_config_init_gid(const char *, const char *, struct lxc_conf *);
 static int set_config_ephemeral(const char *, const char *, struct lxc_conf *);
@@ -252,7 +254,7 @@ static struct lxc_config_t config[] = {
 	{ "lxc.monitor.unshare",      set_config_monitor,              get_config_monitor,           NULL},
 	{ "lxc.group",                set_config_group,                get_config_group,             NULL},
 	{ "lxc.environment",          set_config_environment,          get_config_environment,       NULL},
-	{ "lxc.init_cmd",             set_config_init_cmd,              NULL, NULL},
+	{ "lxc.init_cmd",             set_config_init_cmd,             get_config_init_cmd,          NULL},
 	{ "lxc.init_uid",             set_config_init_uid,              NULL, NULL},
 	{ "lxc.init_gid",             set_config_init_gid,              NULL, NULL},
 	{ "lxc.ephemeral",            set_config_ephemeral,             NULL, NULL},
@@ -2477,9 +2479,7 @@ int lxc_get_config_item(struct lxc_conf *c, const char *key, char *retv,
 {
 	const char *v = NULL;
 
-	if (strcmp(key, "lxc.init_cmd") == 0)
-		v = c->init_cmd;
-	else if (strcmp(key, "lxc.init_uid") == 0)
+	if (strcmp(key, "lxc.init_uid") == 0)
 		return lxc_get_conf_int(c, retv, inlen, c->init_uid);
 	else if (strcmp(key, "lxc.init_gid") == 0)
 		return lxc_get_conf_int(c, retv, inlen, c->init_gid);
@@ -3656,3 +3656,9 @@ static int get_config_environment(struct lxc_container *c, const char *key,
 	}
 	return fulllen;
 }
+
+static int get_config_init_cmd(struct lxc_container *c, const char *key,
+			       char *retv, int inlen)
+{
+	return lxc_get_conf_str(retv, inlen, c->lxc_conf->init_cmd);
+}