diff options
Diffstat (limited to 'mysys/my_bitmap.c')
| -rw-r--r-- | mysys/my_bitmap.c | 56 |
1 files changed, 34 insertions, 22 deletions
diff --git a/mysys/my_bitmap.c b/mysys/my_bitmap.c index 8059b909788..c69eb4748f7 100644 --- a/mysys/my_bitmap.c +++ b/mysys/my_bitmap.c @@ -247,7 +247,8 @@ my_bool bitmap_fast_test_and_set(MY_BITMAP *map, uint bitmap_bit) my_bool bitmap_test_and_set(MY_BITMAP *map, uint bitmap_bit) { my_bool res; - DBUG_ASSERT(map->bitmap && bitmap_bit < map->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(bitmap_bit < map->n_bits); bitmap_lock(map); res= bitmap_fast_test_and_set(map, bitmap_bit); bitmap_unlock(map); @@ -280,7 +281,8 @@ my_bool bitmap_fast_test_and_clear(MY_BITMAP *map, uint bitmap_bit) my_bool bitmap_test_and_clear(MY_BITMAP *map, uint bitmap_bit) { my_bool res; - DBUG_ASSERT(map->bitmap && bitmap_bit < map->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(bitmap_bit < map->n_bits); bitmap_lock(map); res= bitmap_fast_test_and_clear(map, bitmap_bit); bitmap_unlock(map); @@ -309,8 +311,8 @@ void bitmap_set_prefix(MY_BITMAP *map, uint prefix_size) uint prefix_bytes, prefix_bits, d; uchar *m= (uchar *)map->bitmap; - DBUG_ASSERT(map->bitmap && - (prefix_size <= map->n_bits || prefix_size == (uint) ~0)); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(prefix_size <= map->n_bits || prefix_size == (uint) ~0); set_if_smaller(prefix_size, map->n_bits); if ((prefix_bytes= prefix_size / 8)) memset(m, 0xff, prefix_bytes); @@ -332,7 +334,8 @@ my_bool bitmap_is_prefix(const MY_BITMAP *map, uint prefix_size) uchar *m= (uchar*) map->bitmap; uchar *end_prefix= m+(prefix_size-1)/8; uchar *end; - DBUG_ASSERT(m && prefix_size <= map->n_bits); + DBUG_ASSERT(m); + DBUG_ASSERT(prefix_size <= map->n_bits); /* Empty prefix is always true */ if (!prefix_size) @@ -385,8 +388,8 @@ my_bool bitmap_is_subset(const MY_BITMAP *map1, const MY_BITMAP *map2) { my_bitmap_map *m1= map1->bitmap, *m2= map2->bitmap, *end; - DBUG_ASSERT(map1->bitmap && map2->bitmap && - map1->n_bits==map2->n_bits); + DBUG_ASSERT(map1->bitmap && map2->bitmap); + DBUG_ASSERT(map1->n_bits==map2->n_bits); end= map1->last_word_ptr; while (m1 < end) @@ -404,8 +407,9 @@ my_bool bitmap_is_overlapping(const MY_BITMAP *map1, const MY_BITMAP *map2) { my_bitmap_map *m1= map1->bitmap, *m2= map2->bitmap, *end; - DBUG_ASSERT(map1->bitmap && map2->bitmap && - map1->n_bits==map2->n_bits); + DBUG_ASSERT(map1->bitmap); + DBUG_ASSERT(map2->bitmap); + DBUG_ASSERT(map1->n_bits==map2->n_bits); end= map1->last_word_ptr; while (m1 < end) @@ -423,7 +427,8 @@ void bitmap_intersect(MY_BITMAP *map, const MY_BITMAP *map2) my_bitmap_map *to= map->bitmap, *from= map2->bitmap, *end; uint len= no_words_in_map(map), len2 = no_words_in_map(map2); - DBUG_ASSERT(map->bitmap && map2->bitmap); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(map2->bitmap); end= to+MY_MIN(len,len2); while (to < end) @@ -468,7 +473,8 @@ my_bool bitmap_exists_intersection(const MY_BITMAP **bitmap_array, uint i, j, start_idx, end_idx; my_bitmap_map cur_res; - DBUG_ASSERT(bitmap_count && end_bit >= start_bit); + DBUG_ASSERT(bitmap_count); + DBUG_ASSERT(end_bit >= start_bit); for (j= 0; j < bitmap_count; j++) DBUG_ASSERT(end_bit < bitmap_array[j]->n_bits); @@ -496,8 +502,9 @@ my_bool bitmap_union_is_set_all(const MY_BITMAP *map1, const MY_BITMAP *map2) { my_bitmap_map *m1= map1->bitmap, *m2= map2->bitmap, *end; - DBUG_ASSERT(map1->bitmap && map2->bitmap && - map1->n_bits==map2->n_bits); + DBUG_ASSERT(map1->bitmap); + DBUG_ASSERT(map2->bitmap); + DBUG_ASSERT(map1->n_bits==map2->n_bits); end= map1->last_word_ptr; while ( m1 < end) if ((*m1++ | *m2++) != 0xFFFFFFFF) @@ -542,8 +549,9 @@ void bitmap_set_above(MY_BITMAP *map, uint from_byte, uint use_bit) void bitmap_subtract(MY_BITMAP *map, const MY_BITMAP *map2) { my_bitmap_map *to= map->bitmap, *from= map2->bitmap, *end; - DBUG_ASSERT(map->bitmap && map2->bitmap && - map->n_bits==map2->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(map2->bitmap); + DBUG_ASSERT(map->n_bits==map2->n_bits); end= map->last_word_ptr; @@ -556,8 +564,9 @@ void bitmap_union(MY_BITMAP *map, const MY_BITMAP *map2) { my_bitmap_map *to= map->bitmap, *from= map2->bitmap, *end; - DBUG_ASSERT(map->bitmap && map2->bitmap && - map->n_bits==map2->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(map2->bitmap); + DBUG_ASSERT(map->n_bits == map2->n_bits); end= map->last_word_ptr; while (to <= end) @@ -568,8 +577,9 @@ void bitmap_union(MY_BITMAP *map, const MY_BITMAP *map2) void bitmap_xor(MY_BITMAP *map, const MY_BITMAP *map2) { my_bitmap_map *to= map->bitmap, *from= map2->bitmap, *end= map->last_word_ptr; - DBUG_ASSERT(map->bitmap && map2->bitmap && - map->n_bits==map2->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(map2->bitmap); + DBUG_ASSERT(map->n_bits == map2->n_bits); while (to <= end) *to++ ^= *from++; } @@ -606,8 +616,9 @@ void bitmap_copy(MY_BITMAP *map, const MY_BITMAP *map2) { my_bitmap_map *to= map->bitmap, *from= map2->bitmap, *end; - DBUG_ASSERT(map->bitmap && map2->bitmap && - map->n_bits==map2->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(map2->bitmap); + DBUG_ASSERT(map->n_bits == map2->n_bits); end= map->last_word_ptr; while (to <= end) @@ -736,7 +747,8 @@ uint bitmap_lock_set_next(MY_BITMAP *map) void bitmap_lock_clear_bit(MY_BITMAP *map, uint bitmap_bit) { bitmap_lock(map); - DBUG_ASSERT(map->bitmap && bitmap_bit < map->n_bits); + DBUG_ASSERT(map->bitmap); + DBUG_ASSERT(bitmap_bit < map->n_bits); bitmap_clear_bit(map, bitmap_bit); bitmap_unlock(map); } |