- lizard_alloc() turns on the wrapper for SIGSEGV and lizard_free() restores

[libucw.git] / lib / bitarray.h

diff --git a/lib/bitarray.h b/lib/bitarray.h
index 39340d1b06a7f904701d1cd9bbcf59730c6d4d29..216acd98ee8535cb36c612d67059294414bf5f46 100644 (file)
--- a/lib/bitarray.h
+++ b/lib/bitarray.h
@@ -1,7 +1,7 @@
 /*
  *     Bit Array Operations
  *
- *     (c) 2003 Martin Mares <mj@ucw.cz>
+ *     (c) 2003--2004 Martin Mares <mj@ucw.cz>
  *
  *     This software may be freely distributed and used according to the terms
  *     of the GNU Lesser General Public License.
@@ -9,41 +9,43 @@
 
 #include <string.h>
 
+typedef u32 *bitarray_t;
 #define BIT_ARRAY_WORDS(n) (((n)+31)/32)
+#define BIT_ARRAY_BYTES(n) (4*BIT_ARRAY_WORDS(n))
 #define BIT_ARRAY(name,size) u32 name[BIT_ARRAY_WORDS(size)]
 
 static inline void
-bit_array_zero(u32 *a, uns n)
+bit_array_zero(bitarray_t a, uns n)
 {
-  bzero(a, 4*BIT_ARRAY_WORDS(n));
+  bzero(a, BIT_ARRAY_BYTES(n));
 }
 
 static inline void
-bit_array_set(u32 *a, uns i)
+bit_array_set(bitarray_t a, uns i)
 {
   a[i/32] |= (1 << (i%32));
 }
 
 static inline void
-bit_array_clear(u32 *a, uns i)
+bit_array_clear(bitarray_t a, uns i)
 {
   a[i/32] &= ~(1 << (i%32));
 }
 
 static inline uns
-bit_array_isset(u32 *a, uns i)
+bit_array_isset(bitarray_t a, uns i)
 {
   return a[i/32] & (1 << (i%32));
 }
 
 static inline uns
-bit_array_get(u32 *a, uns i)
+bit_array_get(bitarray_t a, uns i)
 {
   return !! bit_array_isset(a, i);
 }
 
 static inline uns
-bit_array_test_and_set(u32 *a, uns i)
+bit_array_test_and_set(bitarray_t a, uns i)
 {
   uns t = bit_array_isset(a, i);
   bit_array_set(a, i);
@@ -51,7 +53,7 @@ bit_array_test_and_set(u32 *a, uns i)
 }
 
 static inline uns
-bit_array_test_and_clear(u32 *a, uns i)
+bit_array_test_and_clear(bitarray_t a, uns i)
 {
   uns t = bit_array_isset(a, i);
   bit_array_clear(a, i);