mariadb/myisam/ft_stopwords.c
unknown 43044b685f Fix for SAFE_MUTEX + MERGE tables
Docs/manual.texi:
  Fix for release
include/my_pthread.h:
  Fix for SAFE_MUTEX for windows
include/myisammrg.h:
  Fix for empty MERGE tables
myisam/ft_stopwords.c:
  Free used memory
myisammrg/myrg_open.c:
  Fix for empty MERGE tables
myisammrg/myrg_queue.c:
  Fix for empty MERGE tables
myisammrg/myrg_rfirst.c:
  cleanup
myisammrg/myrg_rkey.c:
  cleanup
mysys/my_thr_init.c:
  Fix SAFE_MUTEX for windows
mysys/my_winthread.c:
  Fix SAFE_MUTEX for windows
mysys/thr_mutex.c:
  Fix SAFE_MUTEX for windows
sql/ha_myisammrg.cc:
  Fix for empty MERGE tables
sql/mysqld.cc:
  Fix type
2000-09-21 01:58:38 +03:00

78 lines
2 KiB
C

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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; either version 2 of the License, or
(at your option) any later version.
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 */
/* Written by Sergei A. Golubchik, who has a shared copyright to this code */
#include "ftdefs.h"
typedef struct st_ft_stopwords {
const char * pos;
uint len;
} FT_STOPWORD;
static TREE *stopwords3=NULL;
static int FT_STOPWORD_cmp(FT_STOPWORD *w1, FT_STOPWORD *w2)
{
return _mi_compare_text(default_charset_info,
(uchar *)w1->pos,w1->len,
(uchar *)w2->pos,w2->len,0);
}
int ft_init_stopwords(const char **sws)
{
FT_STOPWORD sw;
if(!stopwords3)
{
if(!(stopwords3=(TREE *)my_malloc(sizeof(TREE),MYF(0)))) return -1;
init_tree(stopwords3,0,sizeof(FT_STOPWORD),(qsort_cmp)&FT_STOPWORD_cmp,0,
NULL);
}
if(!sws) return 0;
for(;*sws;sws++)
{
if( (sw.len= (uint) strlen(sw.pos=*sws)) < MIN_WORD_LEN) continue;
if(!tree_insert(stopwords3, &sw, 0))
{
delete_tree(stopwords3); /* purecov: inspected */
return -1; /* purecov: inspected */
}
}
return 0;
}
int is_stopword(char *word, uint len)
{
FT_STOPWORD sw;
sw.pos=word;
sw.len=len;
return tree_search(stopwords3,&sw) != NULL;
}
void ft_free_stopwords()
{
if (stopwords3)
{
delete_tree(stopwords3); /* purecov: inspected */
my_free((char*) stopwords3,MYF(0));
stopwords3=0;
}
}