1,3 → 1,31 |
/* |
* Copyright (C) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - 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. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 <mm/heap.h> |
#include <memstr.h> |
#include <sort.h> |
4,7 → 32,6 |
|
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void qsort(void * data, count_t n, size_t e_size, int (* cmp) (void * a, void * b)) { |
|
if (n > 4) { |
int i = 0, j = n - 1; |
void * tmp = (void *) malloc(e_size); |
15,7 → 42,6 |
while (1) { |
while ((cmp(data + i * e_size, pivot) < 0) && i < n) i++; |
while ((cmp(data + j * e_size, pivot) >=0) && j > 0) j--; |
|
if (i<j) { |
memcpy(tmp, data + i * e_size, e_size); |
memcpy(data + i * e_size, data + j * e_size, e_size); |
30,12 → 56,9 |
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qsort(data, j + 1, e_size, cmp); |
qsort(data + (j + 1) * e_size, n - j - 1, e_size, cmp); |
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} else { |
bubblesort(data, n, e_size, cmp); |
} |
|
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} |
|
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54,7 → 77,6 |
done = false; |
} |
} |
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} |
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free(slot); |