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Merge of mysql-5.1-bugteam into mysql-trunk-merge.
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@@ -159,22 +159,6 @@ static inline my_bool bitmap_cmp(const MY_BITMAP *map1, const MY_BITMAP *map2)
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#define bitmap_set_all(MAP) \
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(memset((MAP)->bitmap, 0xFF, 4*no_words_in_map((MAP))))
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/**
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check, set and clear a bit of interest of an integer.
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If the bit is out of range @retval -1. Otherwise
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bit_is_set @return 0 or 1 reflecting the bit is set or not;
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bit_do_set @return 1 (bit is set 1)
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bit_do_clear @return 0 (bit is cleared to 0)
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*/
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#define bit_is_set(I,B) (sizeof(I) * CHAR_BIT > (B) ? \
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(((I) & (ULL(1) << (B))) == 0 ? 0 : 1) : -1)
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#define bit_do_set(I,B) (sizeof(I) * CHAR_BIT > (B) ? \
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((I) |= (ULL(1) << (B)), 1) : -1)
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#define bit_do_clear(I,B) (sizeof(I) * CHAR_BIT > (B) ? \
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((I) &= ~(ULL(1) << (B)), 0) : -1)
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#ifdef __cplusplus
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}
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#endif
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