X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fbitmap%2Fbitmap.h;fp=ccan%2Fbitmap%2Fbitmap.h;h=beeb1e953cab473aaa0bcd70cb6755842629a988;hp=9e6c2bbc51912d797eec56000963756598d48592;hb=cdd0b8b5942126c9b8a779d2244b4aaffcb037e7;hpb=ce4660aa49404530a608a37754fae16fbb3fde02

diff --git a/ccan/bitmap/bitmap.h b/ccan/bitmap/bitmap.h
index 9e6c2bbc..beeb1e95 100644
--- a/ccan/bitmap/bitmap.h
+++ b/ccan/bitmap/bitmap.h
@@ -15,6 +15,9 @@ typedef unsigned long bitmap_word;
 #define BITMAP_NWORDS(_n)	\
 	(((_n) + BITMAP_WORD_BITS - 1) / BITMAP_WORD_BITS)
 
+#define BITMAP_WORD_0		(0)
+#define BITMAP_WORD_1		((bitmap_word)-1UL)
+
 /*
  * We wrap each word in a structure for type checking.
  */