MySQLWrapper/include/my_list.h

46 lines
1.5 KiB
C

/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef _list_h_
#define _list_h_
#ifdef __cplusplus
extern "C" {
#endif
typedef struct st_list {
struct st_list *prev,*next;
void *data;
} LIST;
typedef int (*list_walk_action)(void *,void *);
extern LIST *list_add(LIST *root,LIST *element);
extern LIST *list_delete(LIST *root,LIST *element);
extern LIST *list_cons(void *data,LIST *root);
extern LIST *list_reverse(LIST *root);
extern void list_free(LIST *root,unsigned int free_data);
extern unsigned int list_length(LIST *);
extern int list_walk(LIST *,list_walk_action action,unsigned char * argument);
#define list_rest(a) ((a)->next)
#define list_push(a,b) (a)=list_cons((b),(a))
#define list_pop(A) {LIST *old=(A); (A)=list_delete(old,old); my_free(old); }
#ifdef __cplusplus
}
#endif
#endif