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118 lines
4.4 KiB
C
118 lines
4.4 KiB
C
/*
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Copyright (C) 1994-1995 Apogee Software, Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the 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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*/
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#ifndef __linklist_h
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#define __linklist_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NewNode(type) ((type*)Bmalloc(sizeof(type)))
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#define LL_CreateNewLinkedList(rootnode,type,next,prev) \
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{ \
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(rootnode) = NewNode(type); \
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(rootnode)->prev = (rootnode); \
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(rootnode)->next = (rootnode); \
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}
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#define LL_AddNode(rootnode, newnode, next, prev) \
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{ \
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(newnode)->next = (rootnode); \
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(newnode)->prev = (rootnode)->prev; \
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(rootnode)->prev->next = (newnode); \
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(rootnode)->prev = (newnode); \
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}
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#define LL_TransferList(oldroot,newroot,next,prev) \
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{ \
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if ((oldroot)->prev != (oldroot)) \
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{ \
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(oldroot)->prev->next = (newroot); \
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(oldroot)->next->prev = (newroot)->prev; \
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(newroot)->prev->next = (oldroot)->next; \
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(newroot)->prev = (oldroot)->prev; \
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(oldroot)->next = (oldroot); \
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(oldroot)->prev = (oldroot); \
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} \
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}
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#define LL_ReverseList(root,type,next,prev) \
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{ \
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type *newend,*trav,*tprev; \
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\
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newend = (root)->next; \
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for(trav = (root)->prev; trav != newend; trav = tprev) \
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{ \
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tprev = trav->prev; \
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LL_MoveNode(trav,newend,next,prev); \
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} \
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}
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#define LL_RemoveNode(node,next,prev) \
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{ \
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(node)->prev->next = (node)->next; \
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(node)->next->prev = (node)->prev; \
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(node)->next = (node); \
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(node)->prev = (node); \
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}
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#define LL_SortedInsertion(rootnode,insertnode,next,prev,type,sortparm) \
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{ \
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type *hoya; \
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\
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hoya = (rootnode)->next; \
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while((hoya != (rootnode)) && ((insertnode)->sortparm > hoya->sortparm)) \
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{ \
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hoya = hoya->next; \
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} \
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LL_AddNode(hoya,(insertnode),next,prev); \
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}
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#define LL_MoveNode(node,newroot,next,prev) \
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{ \
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LL_RemoveNode((node),next,prev); \
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LL_AddNode((newroot),(node),next,prev); \
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}
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#define LL_ListEmpty(list,next,prev) \
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( \
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((list)->next == (list)) && \
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((list)->prev == (list)) \
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)
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#define LL_Free(list) Bfree(list)
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#define LL_Reset(list,next,prev) (list)->next = (list)->prev = (list)
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#define LL_New LL_CreateNewLinkedList
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#define LL_Remove LL_RemoveNode
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#define LL_Add LL_AddNode
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#define LL_Empty LL_ListEmpty
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#define LL_Move LL_MoveNode
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#ifdef __cplusplus
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};
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#endif
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#endif
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