confile_utils: make update_hwaddr() static

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

src/lxc/confile.c

@@ -2081,6 +2081,40 @@ static int set_config_console_size(const char *key, const char *value,
 	return 0;
 }
 
+/*
+ * If we find a lxc.net.[i].hwaddr or lxc.network.hwaddr in the original config
+ * file, we expand it in the unexpanded_config, so that after a save_config we
+ * store the hwaddr for re-use.
+ * This is only called when reading the config file, not when executing a
+ * lxc.include.
+ * 'x' and 'X' are substituted in-place.
+ */
+static void update_hwaddr(const char *line)
+{
+	char *p;
+
+	line += lxc_char_left_gc(line, strlen(line));
+	if (line[0] == '#')
+		return;
+
+	if (!lxc_config_net_is_hwaddr(line))
+		return;
+
+	/* Let config_net_hwaddr raise the error. */
+	p = strchr(line, '=');
+	if (!p)
+		return;
+	p++;
+
+	while (isblank(*p))
+		p++;
+
+	if (!*p)
+		return;
+
+	rand_complete_hwaddr(p);
+}
+
 int append_unexp_config_line(const char *line, struct lxc_conf *conf)
 {
 	size_t linelen;

src/lxc/confile_utils.c

@@ -601,40 +601,6 @@ void rand_complete_hwaddr(char *hwaddr)
 	}
 }
 
-/*
- * If we find a lxc.net.[i].hwaddr or lxc.network.hwaddr in the original config
- * file, we expand it in the unexpanded_config, so that after a save_config we
- * store the hwaddr for re-use.
- * This is only called when reading the config file, not when executing a
- * lxc.include.
- * 'x' and 'X' are substituted in-place.
- */
-void update_hwaddr(const char *line)
-{
-	char *p;
-
-	line += lxc_char_left_gc(line, strlen(line));
-	if (line[0] == '#')
-		return;
-
-	if (!lxc_config_net_is_hwaddr(line))
-		return;
-
-	/* Let config_net_hwaddr raise the error. */
-	p = strchr(line, '=');
-	if (!p)
-		return;
-	p++;
-
-	while (isblank(*p))
-		p++;
-
-	if (!*p)
-		return;
-
-	rand_complete_hwaddr(p);
-}
-
 bool new_hwaddr(char *hwaddr)
 {
 	int ret;
@@ -703,7 +669,6 @@ int lxc_get_conf_int(struct lxc_conf *c, char *retv, int inlen, int v)
 
 	return fulllen;
 }
-
 int lxc_get_conf_size_t(struct lxc_conf *c, char *retv, int inlen, size_t v)
 {
 	int len;

src/lxc/confile_utils.h

@@ -67,7 +67,6 @@ extern int config_ip_prefix(struct in_addr *addr);
 extern int network_ifname(char *valuep, const char *value, size_t size);
 extern void rand_complete_hwaddr(char *hwaddr);
 extern bool lxc_config_net_is_hwaddr(const char *line);
-extern void update_hwaddr(const char *line);
 extern bool new_hwaddr(char *hwaddr);
 extern int lxc_get_conf_str(char *retv, int inlen, const char *value);
 extern int lxc_get_conf_bool(struct lxc_conf *c, char *retv, int inlen, bool v);