1 files changed, 2 insertions, 1 deletions
diff --git a/lib/lib.h b/lib/lib.h
index cf1920f9..7484eb8f 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -112,7 +112,8 @@ void show_help(FILE *out, int full);
 // Tell xopen and friends to print warnings but return -1 as necessary
 // The largest O_BLAH flag so far is arch/alpha's O_PATH at 0x800000 so
 // plenty of headroom.
-#define WARN_ONLY (1<<31)
+#define WARN_ONLY        (1<<31) // don't exit, just warn
+#define LOOPFILES_ANYWAY (1<<30) // call function with fd -1
 
 // xwrap.c
 void xstrncpy(char *dest, char *src, size_t size);