rt/snapraid
1
0
Fork 0
mirror of https://github.com/amadvance/snapraid.git synced 2026-10-26 19:01:57 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Initial commit

Browse source
This commit is contained in:
Andrea Mazzoleni 2011-03-01 22:21:30 +01:00
parent db94ceaf5b
commit f4f308e32f
24 changed files with 4514 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

72
tommyarray.c Normal file
View file

@ -0,0 +1,72 @@
/*
* Copyright 2011 Andrea Mazzoleni. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ANDREA MAZZOLENI AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL ANDREA MAZZOLENI OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "tommyarray.h"
#include <string.h> /* for memset */
/******************************************************************************/
/* array */
void tommy_array_init(tommy_array* array)
{
/* fixed initial size */
array->bucket_bit = TOMMY_ARRAY_BIT;
array->bucket_max = 1 << array->bucket_bit;
array->bucket[0] = tommy_cast(void**, tommy_malloc(array->bucket_max * sizeof(void*)));
memset(array->bucket[0], 0, array->bucket_max * sizeof(void*));
array->bucket_mac = 1;
array->size = 0;
}
void tommy_array_done(tommy_array* array)
{
unsigned i;
for(i=0;i<array->bucket_mac;++i)
tommy_free(array->bucket[i]);
}
void tommy_array_grow(tommy_array* array, unsigned size)
{
while (size > array->bucket_max) {
/* grow the hash size and allocate */
array->bucket[array->bucket_mac] = tommy_cast(void**, tommy_malloc(array->bucket_max * sizeof(void*)));
memset(array->bucket[array->bucket_mac], 0, array->bucket_max * sizeof(void*));
++array->bucket_mac;
++array->bucket_bit;
array->bucket_max = 1 << array->bucket_bit;
}
if (array->size < size)
array->size = size;
}
tommy_size_t tommy_array_memory_usage(tommy_array* array)
{
return array->bucket_max * (tommy_size_t)sizeof(array->bucket[0][0]);
}