load-fragment: allow to specify RestrictNamespaces= multiple times

If multiple RestrictNamespaces= settings are set, then merge the settings.
This also drops supporting "~yes" and "~no".

diff --git a/src/shared/nsflags.h b/src/shared/nsflags.h
index 7f2b94d16ce2f9d3086192f346a6ce3b330fc458..509a3240c67d7307e65476802e02b701d21eec3d 100644 (file)
--- a/src/shared/nsflags.h
+++ b/src/shared/nsflags.h
@@ -26,6 +26,8 @@
 
 #if 0 /// UNNEEDED by elogind
 #endif // 0
+#define NAMESPACE_FLAGS_INITIAL  ((unsigned long) -1)
+
 int namespace_flags_from_string(const char *name, unsigned long *ret);
 int namespace_flags_to_string(unsigned long flags, char **ret);