From 5428d73287d3e808f4480b04dc9733165dd32e83 Mon Sep 17 00:00:00 2001
From: Bart House <bart@barthouse.com>
Date: Sun, 14 Jul 2019 14:31:00 -0700
Subject: [PATCH] Remove dead code.

---
 win/tty/topl.c | 74 --------------------------------------------------
 1 file changed, 74 deletions(-)

diff --git a/win/tty/topl.c b/win/tty/topl.c
index db151265f..df19eed7a 100644
--- a/win/tty/topl.c
+++ b/win/tty/topl.c
@@ -17,8 +17,6 @@
 STATIC_DCL void FDECL(redotoplin, (const char *));
 STATIC_DCL void FDECL(topl_putsym, (CHAR_P));
 STATIC_DCL void FDECL(removetopl, (int));
-STATIC_DCL void FDECL(msghistory_snapshot, (BOOLEAN_P));
-STATIC_DCL void FDECL(free_msghistory_snapshot, (BOOLEAN_P));
 
 int
 tty_doprev_message()
@@ -545,78 +543,6 @@ char def;
     return q;
 }
 
-/* shared by tty_getmsghistory() and tty_putmsghistory() */
-static char **snapshot_mesgs = 0;
-
-/* collect currently available message history data into a sequential array;
-   optionally, purge that data from the active circular buffer set as we go */
-STATIC_OVL void
-msghistory_snapshot(purge)
-boolean purge; /* clear message history buffer as we copy it */
-{
-    char *mesg;
-    int i, inidx, outidx;
-    struct WinDesc *cw;
-
-    /* paranoia (too early or too late panic save attempt?) */
-    if (WIN_MESSAGE == WIN_ERR || !wins[WIN_MESSAGE])
-        return;
-    cw = wins[WIN_MESSAGE];
-
-    /* flush toplines[], moving most recent message to history */
-    remember_topl();
-
-    /* for a passive snapshot, we just copy pointers, so can't allow further
-       history updating to take place because that could clobber them */
-    if (!purge)
-        cw->flags |= WIN_LOCKHISTORY;
-
-    snapshot_mesgs = (char **) alloc((cw->rows + 1) * sizeof(char *));
-    outidx = 0;
-    inidx = cw->maxrow;
-    for (i = 0; i < cw->rows; ++i) {
-        snapshot_mesgs[i] = (char *) 0;
-        mesg = cw->data[inidx];
-        if (mesg && *mesg) {
-            snapshot_mesgs[outidx++] = mesg;
-            if (purge) {
-                /* we're taking this pointer away; subsequest history
-                   updates will eventually allocate a new one to replace it */
-                cw->data[inidx] = (char *) 0;
-                cw->datlen[inidx] = 0;
-            }
-        }
-        inidx = (inidx + 1) % cw->rows;
-    }
-    snapshot_mesgs[cw->rows] = (char *) 0; /* sentinel */
-
-    /* for a destructive snapshot, history is now completely empty */
-    if (purge)
-        cw->maxcol = cw->maxrow = 0;
-}
-
-/* release memory allocated to message history snapshot */
-STATIC_OVL void
-free_msghistory_snapshot(purged)
-boolean purged; /* True: took history's pointers, False: just cloned them */
-{
-    if (snapshot_mesgs) {
-        /* snapshot pointers are no longer in use */
-        if (purged) {
-            int i;
-
-            for (i = 0; snapshot_mesgs[i]; ++i)
-                free((genericptr_t) snapshot_mesgs[i]);
-        }
-
-        free((genericptr_t) snapshot_mesgs), snapshot_mesgs = (char **) 0;
-
-        /* history can resume being updated at will now... */
-        if (!purged)
-            wins[WIN_MESSAGE]->flags &= ~WIN_LOCKHISTORY;
-    }
-}
-
 STATIC_OVL ptr_array_t *
 get_message_history()
 {