To reproduce, start micropolis, click "play this map" and click a few
times on different menus on the top left. The backtrace:
#0 0x0000138f1af215ea in thrkill () at <stdin>:2
#1 0x0000138f1af27889 in *_libc_abort () at /usr/src/lib/libc/stdlib/abort.c:52
#2 0x0000138f1af816c8 in *_libc_memcpy (dst0=0x0, src0=0x6, length=0) at
/usr/src/lib/libc/string/memcpy.c:65
#3 0x0000138c9a13c7f7 in Tk_UnshareEvents (tkwin=0x138f73fd2200,
groupId=Variable "groupId" is not available.
) at tkshare.c:189
#4 0x0000138c9a14a9dd in MenuWidgetCmd (clientData=0x138f790e5b00,
interp=0x138eeb7fdc00, argc=2, argv=0x7f7ffffda380)
at tkmenu.c:821
Patch below makes the game playable again for me.
ok?
Index: Makefile
===================================================================
RCS file: /var/cvs/ports/games/micropolis/Makefile,v
retrieving revision 1.17
diff -u -p -r1.17 Makefile
--- Makefile 11 Mar 2013 11:07:39 -0000 1.17
+++ Makefile 18 Mar 2017 05:59:29 -0000
@@ -3,7 +3,7 @@
COMMENT= city-building simulation
DISTNAME= micropolis-20080211
-REVISION= 4
+REVISION= 5
WRKDIST= ${WRKDIR}/micropolis
CATEGORIES= games
Index: patches/patch-src_tk_tkshare_c
===================================================================
RCS file: patches/patch-src_tk_tkshare_c
diff -N patches/patch-src_tk_tkshare_c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_tk_tkshare_c 18 Mar 2017 05:59:05 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+fix backwards memcpy
+--- src/tk/tkshare.c.orig Sat Mar 18 06:51:20 2017
++++ src/tk/tkshare.c Sat Mar 18 06:51:40 2017
+@@ -186,7 +186,7 @@ Tk_UnshareEvents(tkwin, groupId)
+ continue;
+ }
+ if ((i+1) < groupPtr->numWindows) {
+- memcpy((VOID *) (groupPtr->windows + i),
++ memmove((VOID *) (groupPtr->windows + i),
+ (VOID *) (groupPtr->windows + i + 1),
+ (groupPtr->numWindows - (i+1))*sizeof(Tk_Window *));
+ }
