/usr/lib/grass64/include/grass/dgl/heap.h is in grass-dev 6.4.3-3.
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 67 68 69 70 71 72 73 74 | /* LIBDGL -- a Directed Graph Library implementation
* Copyright (C) 2002 Roberto Micarelli
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* best view tabstop=4
*/
#ifndef _DGL_HEAP_H_
#define _DGL_HEAP_H_
typedef union _dglHeapData
{
void *pv;
int n;
unsigned int un;
long l;
unsigned long ul;
} dglHeapData_u;
typedef struct _dglHeapNode
{
long key;
dglHeapData_u value;
unsigned char flags;
} dglHeapNode_s;
typedef struct _dglHeap
{
long index; /* last node / number of current nodes (complete-binary-tree array representation ...) */
long count; /* number of allocated nodes in ->pnode array */
long block; /* allocation block size expressed in number of nodes */
dglHeapNode_s *pnode; /* the node-array */
} dglHeap_s;
extern void dglHeapInit(dglHeap_s * pheap);
typedef void (*dglHeapCancelItem_fn) (dglHeap_s * pheap,
dglHeapNode_s * pitem);
extern void dglHeapFree(dglHeap_s * pheap,
dglHeapCancelItem_fn pfnCancelItem);
extern int dglHeapInsertMax(dglHeap_s * pheap,
long key,
unsigned char flags, dglHeapData_u value);
extern int dglHeapExtractMax(dglHeap_s * pheap, dglHeapNode_s * pnoderet);
extern int dglHeapInsertMin(dglHeap_s * pheap,
long key,
unsigned char flags, dglHeapData_u value);
extern int dglHeapExtractMin(dglHeap_s * pheap, dglHeapNode_s * pnoderet);
#endif
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