1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* 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 */
/* Sort of string pointers in string-order with radix or qsort */
#include "mysys_priv.h"
#include <mystrings/m_string.h>
void my_string_ptr_sort(unsigned char *base, uint32_t items, size_t size)
{
#if INT_MAX > 65536L
unsigned char **ptr= NULL;
if (size <= 20 && items >= 1000 && items < 100000 &&
(ptr= (unsigned char**) my_malloc(items*sizeof(char*),MYF(0))))
{
radixsort_for_str_ptr((unsigned char**) base,items,size,ptr);
free((unsigned char*) ptr);
}
else
#endif
{
if (size && items)
{
my_qsort2(base,items, sizeof(unsigned char*), get_ptr_compare(size),
(void*) &size);
}
}
}
|