X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fbitmap%2Fbitmap.h;h=543828010188aa39490005ebe53dcaba3b52c1a5;hb=e5fb923ba3735c758ef795eb69d5ee1c6f0a94e9;hp=9e6c2bbc51912d797eec56000963756598d48592;hpb=c38e11b508e52fb2921e67d1123b05d9bef90fd2;p=ccan

diff --git a/ccan/bitmap/bitmap.h b/ccan/bitmap/bitmap.h
index 9e6c2bbc..54382801 100644
--- a/ccan/bitmap/bitmap.h
+++ b/ccan/bitmap/bitmap.h
@@ -15,10 +15,13 @@ 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.
  */
-typedef struct {
+typedef struct bitmap {
 	bitmap_word w;
 } bitmap;