X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fbitmap.h;h=896a1e8e7b66a9b6e1b4f4626011c9a475fbd21e;hb=18c42969655f3a3de4ed601d0f6ce865ecb4a1bf;hp=ba4465e4e595cf040574f8388be5bade0f837d85;hpb=be003c4e8103d90ef33a1c432af4f0322768663c;p=pintos-anon

diff --git a/src/lib/bitmap.h b/src/lib/bitmap.h
index ba4465e..896a1e8 100644
--- a/src/lib/bitmap.h
+++ b/src/lib/bitmap.h
@@ -4,16 +4,19 @@
 #include <stdbool.h>
 #include <stddef.h>
 
+typedef unsigned long elem_type;
+
 struct bitmap
   {
     size_t bit_cnt;
     elem_type *bits;
   };
 
-void bitmap_init (struct bitmap *, size_t bit_cnt);
+bool bitmap_init (struct bitmap *, size_t bit_cnt);
 void bitmap_destroy (struct bitmap *);
 
 size_t bitmap_size (const struct bitmap *);
+size_t bitmap_storage_size (const struct bitmap *);
 
 void bitmap_set (struct bitmap *, size_t idx, bool);
 void bitmap_set_all (struct bitmap *, bool);