network: mv config_value_empty() to confile_utils

src/lxc/confile_utils.c

@@ -20,6 +20,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "conf.h"
+#include "log.h"
 #include "utils.h"
 
 int parse_idmaps(const char *idmap, char *type, unsigned long *nsid,
@@ -146,3 +148,11 @@ on_error:
 
 	return ret;
 }
+
+bool lxc_config_value_empty(const char *value)
+{
+	if (value && strlen(value) > 0)
+		return false;
+
+	return true;
+}

src/lxc/confile_utils.h

@@ -20,7 +20,11 @@
 #ifndef __LXC_CONFILE_UTILS_H
 #define __LXC_CONFILE_UTILS_H
 
+#include <stdbool.h>
+
 extern int parse_idmaps(const char *idmap, char *type, unsigned long *nsid,
 			unsigned long *hostid, unsigned long *range);
 
+extern bool lxc_config_value_empty(const char *value);
+
 #endif /* __LXC_CONFILE_UTILS_H */