fc64fcce4d
This commit has two aspects: 1) improve memory reporting for all the places that use sdsAllocSize to compute memory used by a string, in this case it'll include the internal fragmentation. 2) reduce the need for realloc calls by making the sds implicitly take over the internal fragmentation of the block it allocated.
51 lines
2.2 KiB
C
51 lines
2.2 KiB
C
/* SDSLib 2.0 -- A C dynamic strings library
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*
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* Copyright (c) 2006-2015, Salvatore Sanfilippo <antirez at gmail dot com>
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* Copyright (c) 2015, Redis Labs, Inc
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* SDS allocator selection.
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*
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* This file is used in order to change the SDS allocator at compile time.
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* Just define the following defines to what you want to use. Also add
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* the include of your alternate allocator if needed (not needed in order
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* to use the default libc allocator). */
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#ifndef __SDS_ALLOC_H__
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#define __SDS_ALLOC_H__
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#include "zmalloc.h"
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#define s_malloc zmalloc
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#define s_realloc zrealloc
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#define s_free zfree
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#define s_malloc_usable zmalloc_usable
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#define s_realloc_usable zrealloc_usable
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#define s_free_usable zfree_usable
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#endif
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