2007-08-30 Dick Porter <dick@ximian.com>

[mono.git] / mono / utils / monobitset.c

diff --git a/mono/utils/monobitset.c b/mono/utils/monobitset.c
index 48ceb714bd44e42bef208082fcc8a633e69c43b9..0aeb4c0cd03eb7274571a301e8916b5f22a6129d 100644 (file)
--- a/mono/utils/monobitset.c
+++ b/mono/utils/monobitset.c
@@ -4,20 +4,8 @@
 #include "monobitset.h"
 #include "config.h"
 
-#ifdef __GNUC__
-#define MONO_ZERO_LEN_ARRAY 0
-#else
-#define MONO_ZERO_LEN_ARRAY 1
-#endif
-
 #define BITS_PER_CHUNK MONO_BITSET_BITS_PER_CHUNK
 
-struct MonoBitSet {
-       gsize size;
-       gsize flags;
-       gsize data [MONO_ZERO_LEN_ARRAY];
-};
-
 /*
  * mono_bitset_alloc_size:
  * @max_size: The numer of bits you want to hold
@@ -566,11 +554,12 @@ mono_bitset_copyto (const MonoBitSet *src, MonoBitSet *dest) {
  */
 void
 mono_bitset_union (MonoBitSet *dest, const MonoBitSet *src) {
-       int i;
+       int i, size;
 
        g_assert (src->size <= dest->size);
 
-       for (i = 0; i < dest->size / BITS_PER_CHUNK; ++i)
+       size = dest->size / BITS_PER_CHUNK;
+       for (i = 0; i < size; ++i)
                dest->data [i] |= src->data [i];
 }
 
@@ -583,12 +572,13 @@ mono_bitset_union (MonoBitSet *dest, const MonoBitSet *src) {
  */
 void
 mono_bitset_intersection (MonoBitSet *dest, const MonoBitSet *src) {
-       int i;
+       int i, size;
 
        g_assert (src->size <= dest->size);
 
-       for (i = 0; i < dest->size / BITS_PER_CHUNK; ++i)
-               dest->data [i] = dest->data [i] & src->data [i];
+       size = dest->size / BITS_PER_CHUNK;
+       for (i = 0; i < size; ++i)
+               dest->data [i] &= src->data [i];
 }
 
 /*
@@ -601,12 +591,13 @@ mono_bitset_intersection (MonoBitSet *dest, const MonoBitSet *src) {
  */
 void
 mono_bitset_intersection_2 (MonoBitSet *dest, const MonoBitSet *src1, const MonoBitSet *src2) {
-       int i;
+       int i, size;
 
        g_assert (src1->size <= dest->size);
        g_assert (src2->size <= dest->size);
 
-       for (i = 0; i < dest->size / BITS_PER_CHUNK; ++i)
+       size = dest->size / BITS_PER_CHUNK;
+       for (i = 0; i < size; ++i)
                dest->data [i] = src1->data [i] & src2->data [i];
 }
 
@@ -619,11 +610,12 @@ mono_bitset_intersection_2 (MonoBitSet *dest, const MonoBitSet *src1, const Mono
  */
 void
 mono_bitset_sub (MonoBitSet *dest, const MonoBitSet *src) {
-       int i;
+       int i, size;
 
        g_assert (src->size <= dest->size);
 
-       for (i = 0; i < src->size / BITS_PER_CHUNK; ++i)
+       size = src->size / BITS_PER_CHUNK;
+       for (i = 0; i < size; ++i)
                dest->data [i] &= ~src->data [i];
 }