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sect: Catch clobbered sector coordinates in sct_prewrite()

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Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
This commit is contained in:
Markus Armbruster 2013-01-27 10:31:49 +01:00
parent 22d39b9afa
commit 6f0cd10b81
1 changed files with 8 additions and 1 deletions
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9
src/lib/subs/sect.c
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@ -29,7 +29,7 @@
* Known contributors to this file: * Known contributors to this file:
* Dave Pare, 1989 * Dave Pare, 1989
* Steve McClure, 1996 * Steve McClure, 1996
* Markus Armbruster, 2004-2010 * Markus Armbruster, 2004-2013
*/ */
#include <config.h> #include <config.h>
@ -60,9 +60,16 @@ sct_prewrite(int id, void *old, void *new)
{ {
struct sctstr *oldsp = old; struct sctstr *oldsp = old;
struct sctstr *sp = new; struct sctstr *sp = new;
coord x, y;
int mil, civs; int mil, civs;
natid own, prev_own; natid own, prev_own;
sctoff2xy(&x, &y, sp->sct_uid);
if (CANT_HAPPEN(sp->sct_x != x || sp->sct_y != y)) {
sp->sct_x = x;
sp->sct_y = y;
}
bridge_damaged(sp); bridge_damaged(sp);
item_prewrite(sp->sct_item); item_prewrite(sp->sct_item);