/usr/include/astrometry/bl.inc is in astrometry.net 0.46-0ubuntu2.
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 75 76 | /*
This file is part of the Astrometry.net suite.
Copyright 2006-2009 Dustin Lang, Keir Mierle and Sam Roweis.
The Astrometry.net suite 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.
The Astrometry.net suite 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 the Astrometry.net suite ; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <assert.h>
#include "bl.ph"
/* find the node in which element "n" can be found. */
InlineDefine
bl_node* find_node(const bl* list, int n,
int* p_nskipped) {
bl_node* node;
int nskipped;
if (list->last_access && n >= list->last_access_n) {
// take the shortcut!
nskipped = list->last_access_n;
node = list->last_access;
} else {
node = list->head;
nskipped = 0;
}
for (; node;) {
if (n < (nskipped + node->N))
break;
nskipped += node->N;
node = node->next;
}
assert(node);
if (p_nskipped)
*p_nskipped = nskipped;
return node;
}
InlineDefine
void* bl_access(bl* list, int n) {
void* rtn;
bl_node* node;
int nskipped;
node = find_node(list, n, &nskipped);
// grab the element.
rtn = NODE_CHARDATA(node) + (n - nskipped) * list->datasize;
// update the last_access member...
list->last_access = node;
list->last_access_n = nskipped;
return rtn;
}
InlineDefine
int bl_size(const bl* list) {
return list->N;
}
InlineDefine
int sl_size(const sl* list) {
return bl_size(list);
}
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