X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fbitmap.c;h=46235b205d78092a7526cbd0c2ffa900bdf93df8;hb=18c42969655f3a3de4ed601d0f6ce865ecb4a1bf;hp=616056f3dba32fbf67a5e4c6f6ae6db15287665d;hpb=be003c4e8103d90ef33a1c432af4f0322768663c;p=pintos-anon

diff --git a/src/lib/bitmap.c b/src/lib/bitmap.c
index 616056f..46235b2 100644
--- a/src/lib/bitmap.c
+++ b/src/lib/bitmap.c
@@ -5,7 +5,6 @@
 #include "lib.h"
 #include "malloc.h"
 
-typedef unsigned long elem_type;
 #define ELEM_BITS (sizeof (elem_type) * CHAR_BIT)
 #define ELEM_IDX(BIT_IDX) ((BIT_IDX) / ELEM_BITS)
 #define BIT_MASK(BIT_IDX) ((elem_type) 1 << ((BIT_IDX) % ELEM_BITS))
@@ -22,16 +21,16 @@ byte_cnt (const struct bitmap *b)
   return sizeof (elem_type) * elem_cnt (b);
 }
 
-void
+bool
 bitmap_init (struct bitmap *b, size_t bit_cnt) 
 {
   b->bit_cnt = bit_cnt;
   b->bits = malloc (byte_cnt (b));
   if (b->bits == NULL && bit_cnt > 0) 
-    return NULL;
+    return false;
 
   bitmap_set_all (b, false);
-  return b;
+  return true;
 }
 
 size_t