From 73a4b058b3f433ff66de53ab641bd8d9de6fc462 Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Sat, 20 Apr 2024 13:21:39 +0200
Subject: Revised com_revert()

---
 FICS/obsproc.c | 97 +++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 55 insertions(+), 42 deletions(-)

diff --git a/FICS/obsproc.c b/FICS/obsproc.c
index a9cf6d4..42576a2 100644
--- a/FICS/obsproc.c
+++ b/FICS/obsproc.c
@@ -1308,50 +1308,63 @@ PUBLIC int com_backward(int p, param_list param)
   return COM_OK;
 }
 
-PUBLIC int com_revert(int p, param_list param)
+PUBLIC int
+com_revert(int p, param_list param)
 {
-  int nHalfMoves = 1;
-  int g, i;
-  int p1;
-  unsigned now;
+	int		g, i;
+	int		nHalfMoves = 1;
+	int		p1;
+	unsigned int	now;
+
+	if (!(parray[p].game >= 0 && garray[parray[p].game].status ==
+	    GAME_EXAMINE)) {
+		pprintf(p, "You are not examining any games.\n");
+		return COM_OK;
+	}
 
-  if (!((parray[p].game >=0) &&(garray[parray[p].game].status == GAME_EXAMINE))) {
-    pprintf(p, "You are not examining any games.\n");
-    return COM_OK;
-  }
-  g = parray[p].game;
-  nHalfMoves = garray[g].numHalfMoves - garray[g].revertHalfMove;
-  if (nHalfMoves == 0) {
-    pprintf(p, "Already at mainline.\n");
-    return COM_OK;
-  }
-  if (nHalfMoves < 0) {		/* eek - should NEVER happen! */
-    fprintf(stderr, "OUCH! in com_revert: nHalfMoves < 0\n");
-    return COM_OK;
-  }
-  for (p1 = 0; p1 < p_num; p1++) {
-    if (parray[p1].status != PLAYER_PROMPT)
-      continue;
-    if (player_is_observe(p1, g) || parray[p1].game == g) {
-      pprintf(p1, "%s reverts to mainline.\n", parray[p].name);
-    }
-  }
-  for (i = 0; i < nHalfMoves; i++) {
-    backup_move(g, REL_EXAMINE);/* should never return error */
-  }
-  /* roll back time */
-  if (garray[g].game_state.onMove == WHITE) {
-    garray[g].wTime += (garray[g].lastDecTime - garray[g].lastMoveTime);
-  } else {
-    garray[g].bTime += (garray[g].lastDecTime - garray[g].lastMoveTime);
-  }
-  now = tenth_secs();
-  if (garray[g].numHalfMoves == 0)
-    garray[g].timeOfStart = now;
-  garray[g].lastMoveTime = now;
-  garray[g].lastDecTime = now;
-  send_boards(g);
-  return COM_OK;
+	g = parray[p].game;
+	nHalfMoves = garray[g].numHalfMoves - garray[g].revertHalfMove;
+
+	if (nHalfMoves == 0) {
+		pprintf(p, "Already at mainline.\n");
+		return COM_OK;
+	}
+
+	if (nHalfMoves < 0) {	// eek - should NEVER happen!
+		fprintf(stderr, "OUCH! in %s: nHalfMoves < 0\n", __func__);
+		return COM_OK;
+	}
+
+	for (p1 = 0; p1 < p_num; p1++) {
+		if (parray[p1].status != PLAYER_PROMPT)
+			continue;
+		if (player_is_observe(p1, g) || parray[p1].game == g) {
+			pprintf(p1, "%s reverts to mainline.\n",
+			    parray[p].name);
+		}
+	}
+
+	for (i = 0; i < nHalfMoves; i++)
+		backup_move(g, REL_EXAMINE);
+
+	// roll back time
+	if (garray[g].game_state.onMove == WHITE) {
+		garray[g].wTime += (garray[g].lastDecTime -
+				    garray[g].lastMoveTime);
+	} else {
+		garray[g].bTime += (garray[g].lastDecTime -
+				    garray[g].lastMoveTime);
+	}
+
+	now = tenth_secs();
+
+	if (garray[g].numHalfMoves == 0)
+		garray[g].timeOfStart = now;
+	garray[g].lastMoveTime = now;
+	garray[g].lastDecTime = now;
+
+	send_boards(g);
+	return COM_OK;
 }
 
 PUBLIC int
-- 
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