Don't autosave on segfault or after death

rogue3/mdport.c

@@ -252,7 +252,9 @@ md_onsignal_autosave(void)
     signal(SIGBUS, auto_save);
 #endif
 #ifdef SIGSEGV
-    signal(SIGSEGV, auto_save);
+    /* If there's a segfault, the game state is probably trashed
+       and there's no point saving it. */
+    signal(SIGSEGV, SIG_DFL);
 #endif
 #ifdef SIGSYS
     signal(SIGSYS, auto_save);

rogue3/rip.c

@@ -55,6 +55,11 @@ death(int monst)
     time_t date;
     char buf[80];
 
+    /* Don't autosave dead games.  It would be a good idea to autosave a 
+       game that is between death and scoreboard write, but the restore 
+       code can't handle that case yet. */
+    md_onsignal_default();
+
     time(&date);
     lt = localtime(&date);
     clear();