diff options
Diffstat (limited to 'include/my_bitmap.h')
| -rw-r--r-- | include/my_bitmap.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/my_bitmap.h b/include/my_bitmap.h index 39ee1d2f7fc..09a2ff3fe65 100644 --- a/include/my_bitmap.h +++ b/include/my_bitmap.h @@ -1,4 +1,5 @@ -/* Copyright (C) 2000 MySQL AB +/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. + Copyright (c) 2009-2011, Monty Program Ab This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -151,9 +152,10 @@ bitmap_is_set(const MY_BITMAP *map,uint bit) static inline my_bool bitmap_cmp(const MY_BITMAP *map1, const MY_BITMAP *map2) { - *(map1)->last_word_ptr|= (map1)->last_word_mask; - *(map2)->last_word_ptr|= (map2)->last_word_mask; - return memcmp((map1)->bitmap, (map2)->bitmap, 4*no_words_in_map((map1)))==0; + if (memcmp(map1->bitmap, map2->bitmap, 4*(no_words_in_map(map1)-1)) != 0) + return FALSE; + return ((*map1->last_word_ptr | map1->last_word_mask) == + (*map2->last_word_ptr | map2->last_word_mask)); } #define bitmap_clear_all(MAP) \ |