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46 lines
1.5 KiB
C
46 lines
1.5 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; version 2 of the License.
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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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#ifndef _list_h_
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#define _list_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct st_list {
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struct st_list *prev,*next;
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void *data;
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} LIST;
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typedef int (*list_walk_action)(void *,void *);
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extern LIST *list_add(LIST *root,LIST *element);
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extern LIST *list_delete(LIST *root,LIST *element);
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extern LIST *list_cons(void *data,LIST *root);
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extern LIST *list_reverse(LIST *root);
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extern void list_free(LIST *root,unsigned int free_data);
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extern unsigned int list_length(LIST *);
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extern int list_walk(LIST *,list_walk_action action,unsigned char * argument);
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#define list_rest(a) ((a)->next)
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#define list_push(a,b) (a)=list_cons((b),(a))
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#define list_pop(A) {LIST *old=(A); (A)=list_delete(old,old); my_free(old); }
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#ifdef __cplusplus
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}
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#endif
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#endif
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