ncurses 6.4 - patch 20230408

[ncurses.git] / ncurses / tinfo / lib_tgoto.c

diff --git a/ncurses/tinfo/lib_tgoto.c b/ncurses/tinfo/lib_tgoto.c
index 9cf5e100ce87ff7abd3c90b0bdc15084e54b2f35..084a322fe95c8a05fdb26dd0d272d2b2c6f2cc62 100644 (file)
--- a/ncurses/tinfo/lib_tgoto.c
+++ b/ncurses/tinfo/lib_tgoto.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * Copyright 2018-2020,2023 Thomas E. Dickey                                *
  * Copyright 2000-2008,2012 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -36,7 +36,7 @@
 #include <ctype.h>
 #include <termcap.h>
 
-MODULE_ID("$Id: lib_tgoto.c,v 1.21 2020/05/27 23:55:56 tom Exp $")
+MODULE_ID("$Id: lib_tgoto.c,v 1.22 2023/04/08 13:48:58 tom Exp $")
 
 #if !PURE_TERMINFO
 static bool
@@ -207,6 +207,14 @@ tgoto(const char *string, int x, int y)
        result = tgoto_internal(string, x, y);
     else
 #endif
-       result = TIPARM_2(string, y, x);
+    if ((result = TIPARM_2(string, y, x)) == NULL) {
+       /*
+        * Because termcap did not provide a more general solution such as
+        * tparm(), it was necessary to handle single-parameter capabilities
+        * using tgoto().  The internal _nc_tiparm() function returns a NULL
+        * for that case; retry for the single-parameter case.
+        */
+       result = TIPARM_1(string, y);
+    }
     returnPtr(result);
 }