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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* Sort of string pointers in string-order with radix or qsort */
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#include "mysys_priv.h"
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#include <m_string.h>
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void my_string_ptr_sort(void *base, uint items, size_s size)
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{
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#if INT_MAX > 65536L
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uchar **ptr=0;
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if (size <= 20 && items >= 1000 && items < 100000 &&
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(ptr= (uchar**) my_malloc(items*sizeof(char*),MYF(0))))
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{
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radixsort_for_str_ptr((uchar**) base,items,size,ptr);
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my_free((gptr) ptr,MYF(0));
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}
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else
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#endif
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{
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if (size && items)
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{
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uint size_arg=size;
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qsort2(base,items,sizeof(byte*),get_ptr_compare(size),(void*) &size_arg);
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}
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}
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}
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