saving message history (trunk only)

On September 11, 2003 "<Someone>" wrote:
> When we're going to have a different save file format, could
> the last messages in the message history be saved as well, so
> ^P would work the same before and after saving (possibly
> including a few less messages to make room for the startup
> messages?).

This seemed like a reasonable request. This patch:
- adds the core support required.
- adds the tty supporting routines.

include/extern.h

@@ -2288,6 +2288,8 @@ E void FDECL(setmnotwielded, (struct monst *,struct obj *));
 E void FDECL(choose_windows, (const char *));
 E char FDECL(genl_message_menu, (CHAR_P,int,const char *));
 E void FDECL(genl_preference_update, (const char *));
+E char *FDECL(genl_getmsghistory, (BOOLEAN_P));
+E void FDECL(genl_putmsghistory, (const char *));
 
 /* ### wizard.c ### */
 

include/patchlevel.h

@@ -13,7 +13,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	3
+#define EDITLEVEL	4
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2003"

include/winprocs.h

@@ -65,6 +65,8 @@ struct window_procs {
 
     void FDECL((*win_outrip), (winid,int));
     void FDECL((*win_preference_update), (const char *));
+    char * FDECL((*win_getmsghistory), (BOOLEAN_P));
+    void FDECL((*win_putmsghistory), (const char *));
 };
 
 extern NEARDATA struct window_procs windowprocs;
@@ -134,6 +136,8 @@ extern NEARDATA struct window_procs windowprocs;
 
 #define outrip (*windowprocs.win_outrip)
 #define preference_update (*windowprocs.win_preference_update)
+#define getmsghistory (*windowprocs.win_getmsghistory)
+#define putmsghistory (*windowprocs.win_putmsghistory)
 
 /*
  * WINCAP

include/wintty.h

@@ -222,6 +222,10 @@ E void NDECL(tty_end_screen);
 
 E void FDECL(genl_outrip, (winid,int));
 
+E char *FDECL(tty_getmsghistory, (BOOLEAN_P));
+E void FDECL(tty_putmsghistory, (const char *));
+
+
 #ifdef NO_TERMS
 # ifdef MAC
 #  ifdef putchar