ncurses 6.2 - patch 20210911

[ncurses.git] / ncurses / widechar / lib_wunctrl.c

diff --git a/ncurses/widechar/lib_wunctrl.c b/ncurses/widechar/lib_wunctrl.c
index 89430e5681ac4d95270e865575bb34ebf54c6433..155da22926ba81556a2a2bd54943dab534258e0b 100644 (file)
--- a/ncurses/widechar/lib_wunctrl.c
+++ b/ncurses/widechar/lib_wunctrl.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2001,2003 Free Software Foundation, Inc.                   *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 2001-2011,2012 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,22 +36,36 @@
 
 #include <curses.priv.h>
 
-#if USE_WIDEC_SUPPORT
-
-MODULE_ID("$Id: lib_wunctrl.c,v 1.7 2003/07/05 17:01:43 tom Exp $")
+MODULE_ID("$Id: lib_wunctrl.c,v 1.17 2020/02/02 23:34:34 tom Exp $")
 
 NCURSES_EXPORT(wchar_t *)
-wunctrl(cchar_t * wc)
+NCURSES_SP_NAME(wunctrl) (NCURSES_SP_DCLx cchar_t *wc)
 {
-    static wchar_t str[5], *sp;
+    static wchar_t str[CCHARW_MAX + 1], *wsp;
+    wchar_t *result;
+
+    if (wc == 0) {
+       result = 0;
+    } else if (SP_PARM != 0 && Charable(*wc)) {
+       const char *p =
+       NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx
+                                (unsigned) _nc_to_char((wint_t)CharOf(*wc)));
 
-    if (Charable(*wc)) {
-       const char *p;
-       for (p = unctrl(_nc_to_char(CharOf(*wc))), sp = str; *p;)
-           *sp++ = _nc_to_widechar(*p++);
-       return str;
-    } else
-       return wc->chars;
+       for (wsp = str; *p; ++p) {
+           *wsp++ = (wchar_t) _nc_to_widechar(*p);
+       }
+       *wsp = 0;
+       result = str;
+    } else {
+       result = wc->chars;
+    }
+    return result;
 }
 
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(wchar_t *)
+wunctrl(cchar_t *wc)
+{
+    return NCURSES_SP_NAME(wunctrl) (CURRENT_SCREEN, wc);
+}
 #endif