/usr/include/geomview/freelist.h is in libgeomview-dev 1.9.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | /*
* Copyright (C) 2007 Claus-Justus Heine
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, 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; see the file COPYING. If not, write to the
Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Support for allocating objects from a free-list (instead of using
* malloc() small fixed-size objects which are allocated frequently).
*/
#ifndef _GV_FREE_LIST_H_
#define _GV_FREE_LIST_H_
typedef struct FreeListNode
{
struct FreeListNode *next;
} FreeListNode;
#define DEF_FREELISTHEAD(type) FreeListNode *type##FreeList
#define DEF_FREELIST(type) \
DEF_FREELISTHEAD(type); \
typedef union type##FreeNode { \
FreeListNode node; \
type data; \
} type##FreeNode
#define FREELIST_NEW(type, name) \
if (type##FreeList == NULL) { \
name = OOGLNewE(type, #type); \
memset(name, 0, sizeof(type)); \
} else { \
type##FreeNode *reused; \
reused = (type##FreeNode *)type##FreeList; \
type##FreeList = reused->node.next; \
name = &reused->data; \
}
#define FREELIST_FREE(type, name) \
{ \
type##FreeNode *reuse = (type##FreeNode *)(name); \
reuse->node.next = type##FreeList; \
type##FreeList = &reuse->node; \
}
#endif
/*
* Local Variables: ***
* mode: c ***
* c-basic-offset: 2 ***
* End: ***
*/
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