diff options
author | click <none@none> | 2010-08-07 19:01:57 +0200 |
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committer | click <none@none> | 2010-08-07 19:01:57 +0200 |
commit | ce435f6d4f84462c0707bbc608d767648d5e99c3 (patch) | |
tree | dabac44fd559c925acf2171adb0ae3038f05ad7b /externals/mysql/my_bitmap.h | |
parent | 3cc24e0971f96b9ffa4032a154750e4224ea499d (diff) |
BuildSystem/VS: Remove now defunct an unmaintained buildfiles - use CMake for generating solutionfiles
--HG--
branch : trunk
Diffstat (limited to 'externals/mysql/my_bitmap.h')
-rw-r--r-- | externals/mysql/my_bitmap.h | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/externals/mysql/my_bitmap.h b/externals/mysql/my_bitmap.h deleted file mode 100644 index d8c9a0c2b69..00000000000 --- a/externals/mysql/my_bitmap.h +++ /dev/null @@ -1,182 +0,0 @@ -/* Copyright (C) 2000 MySQL 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 - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -#ifndef _my_bitmap_h_ -#define _my_bitmap_h_ - -#define MY_BIT_NONE (~(uint) 0) - -#include <m_string.h> - -typedef uint32 my_bitmap_map; - -typedef struct st_bitmap -{ - my_bitmap_map *bitmap; - uint n_bits; /* number of bits occupied by the above */ - my_bitmap_map last_word_mask; - my_bitmap_map *last_word_ptr; - /* - mutex will be acquired for the duration of each bitmap operation if - thread_safe flag in bitmap_init was set. Otherwise, we optimize by not - acquiring the mutex - */ -#ifdef THREAD - pthread_mutex_t *mutex; -#endif -} MY_BITMAP; - -#ifdef __cplusplus -extern "C" { -#endif -extern void create_last_word_mask(MY_BITMAP *map); -extern my_bool bitmap_init(MY_BITMAP *map, my_bitmap_map *buf, uint n_bits, - my_bool thread_safe); -extern my_bool bitmap_is_clear_all(const MY_BITMAP *map); -extern my_bool bitmap_is_prefix(const MY_BITMAP *map, uint prefix_size); -extern my_bool bitmap_is_set_all(const MY_BITMAP *map); -extern my_bool bitmap_is_subset(const MY_BITMAP *map1, const MY_BITMAP *map2); -extern my_bool bitmap_is_overlapping(const MY_BITMAP *map1, - const MY_BITMAP *map2); -extern my_bool bitmap_test_and_set(MY_BITMAP *map, uint bitmap_bit); -extern my_bool bitmap_test_and_clear(MY_BITMAP *map, uint bitmap_bit); -extern my_bool bitmap_fast_test_and_set(MY_BITMAP *map, uint bitmap_bit); -extern uint bitmap_set_next(MY_BITMAP *map); -extern uint bitmap_get_first(const MY_BITMAP *map); -extern uint bitmap_get_first_set(const MY_BITMAP *map); -extern uint bitmap_bits_set(const MY_BITMAP *map); -extern void bitmap_free(MY_BITMAP *map); -extern void bitmap_set_above(MY_BITMAP *map, uint from_byte, uint use_bit); -extern void bitmap_set_prefix(MY_BITMAP *map, uint prefix_size); -extern void bitmap_intersect(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_subtract(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_union(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_xor(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_invert(MY_BITMAP *map); -extern void bitmap_copy(MY_BITMAP *map, const MY_BITMAP *map2); - -extern uint bitmap_lock_set_next(MY_BITMAP *map); -extern void bitmap_lock_clear_bit(MY_BITMAP *map, uint bitmap_bit); -#ifdef NOT_USED -extern uint bitmap_lock_bits_set(const MY_BITMAP *map); -extern my_bool bitmap_lock_is_set_all(const MY_BITMAP *map); -extern uint bitmap_lock_get_first(const MY_BITMAP *map); -extern uint bitmap_lock_get_first_set(const MY_BITMAP *map); -extern my_bool bitmap_lock_is_subset(const MY_BITMAP *map1, - const MY_BITMAP *map2); -extern my_bool bitmap_lock_is_prefix(const MY_BITMAP *map, uint prefix_size); -extern my_bool bitmap_lock_is_set(const MY_BITMAP *map, uint bitmap_bit); -extern my_bool bitmap_lock_is_clear_all(const MY_BITMAP *map); -extern my_bool bitmap_lock_cmp(const MY_BITMAP *map1, const MY_BITMAP *map2); -extern void bitmap_lock_set_all(MY_BITMAP *map); -extern void bitmap_lock_clear_all(MY_BITMAP *map); -extern void bitmap_lock_set_bit(MY_BITMAP *map, uint bitmap_bit); -extern void bitmap_lock_flip_bit(MY_BITMAP *map, uint bitmap_bit); -extern void bitmap_lock_set_prefix(MY_BITMAP *map, uint prefix_size); -extern void bitmap_lock_intersect(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_lock_subtract(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_lock_union(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_lock_xor(MY_BITMAP *map, const MY_BITMAP *map2); -extern void bitmap_lock_invert(MY_BITMAP *map); -#endif -/* Fast, not thread safe, bitmap functions */ -#define bitmap_buffer_size(bits) (((bits)+31)/32)*4 -#define no_bytes_in_map(map) (((map)->n_bits + 7)/8) -#define no_words_in_map(map) (((map)->n_bits + 31)/32) -#define bytes_word_aligned(bytes) (4*((bytes + 3)/4)) -#define _bitmap_set_bit(MAP, BIT) (((uchar*)(MAP)->bitmap)[(BIT) / 8] \ - |= (1 << ((BIT) & 7))) -#define _bitmap_flip_bit(MAP, BIT) (((uchar*)(MAP)->bitmap)[(BIT) / 8] \ - ^= (1 << ((BIT) & 7))) -#define _bitmap_clear_bit(MAP, BIT) (((uchar*)(MAP)->bitmap)[(BIT) / 8] \ - &= ~ (1 << ((BIT) & 7))) -#define _bitmap_is_set(MAP, BIT) (uint) (((uchar*)(MAP)->bitmap)[(BIT) / 8] \ - & (1 << ((BIT) & 7))) -/* - WARNING! - - The below symbols are inline functions in DEBUG builds and macros in - non-DEBUG builds. The latter evaluate their 'bit' argument twice. - - NEVER use an increment/decrement operator with the 'bit' argument. - It would work with DEBUG builds, but fails later in production builds! - - FORBIDDEN: bitmap_set_bit($my_bitmap, (field++)->field_index); -*/ -#ifndef DBUG_OFF -static inline void -bitmap_set_bit(MY_BITMAP *map,uint bit) -{ - DBUG_ASSERT(bit < (map)->n_bits); - _bitmap_set_bit(map,bit); -} -static inline void -bitmap_flip_bit(MY_BITMAP *map,uint bit) -{ - DBUG_ASSERT(bit < (map)->n_bits); - _bitmap_flip_bit(map,bit); -} -static inline void -bitmap_clear_bit(MY_BITMAP *map,uint bit) -{ - DBUG_ASSERT(bit < (map)->n_bits); - _bitmap_clear_bit(map,bit); -} -static inline uint -bitmap_is_set(const MY_BITMAP *map,uint bit) -{ - DBUG_ASSERT(bit < (map)->n_bits); - return _bitmap_is_set(map,bit); -} -#else -#define bitmap_set_bit(MAP, BIT) _bitmap_set_bit(MAP, BIT) -#define bitmap_flip_bit(MAP, BIT) _bitmap_flip_bit(MAP, BIT) -#define bitmap_clear_bit(MAP, BIT) _bitmap_clear_bit(MAP, BIT) -#define bitmap_is_set(MAP, BIT) _bitmap_is_set(MAP, BIT) -#endif - -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; -} - -#define bitmap_clear_all(MAP) \ - { memset((MAP)->bitmap, 0, 4*no_words_in_map((MAP))); } -#define bitmap_set_all(MAP) \ - (memset((MAP)->bitmap, 0xFF, 4*no_words_in_map((MAP)))) - -/** - check, set and clear a bit of interest of an integer. - - If the bit is out of range @retval -1. Otherwise - bit_is_set @return 0 or 1 reflecting the bit is set or not; - bit_do_set @return 1 (bit is set 1) - bit_do_clear @return 0 (bit is cleared to 0) -*/ - -#define bit_is_set(I,B) (sizeof(I) * CHAR_BIT > (B) ? \ - (((I) & (1ULL << (B))) == 0 ? 0 : 1) : -1) -#define bit_do_set(I,B) (sizeof(I) * CHAR_BIT > (B) ? \ - ((I) |= (1ULL << (B)), 1) : -1) -#define bit_do_clear(I,B) (sizeof(I) * CHAR_BIT > (B) ? \ - ((I) &= ~(1ULL << (B)), 0) : -1) - -#ifdef __cplusplus -} -#endif - -#endif /* _my_bitmap_h_ */ |