xref: /openbsd-src/lib/libcurses/widechar/lib_wunctrl.c (revision c7ef0cfc17afcba97172c25e1e3a943e893bc632)
1 /* $OpenBSD: lib_wunctrl.c,v 1.2 2023/10/17 09:52:09 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright 2020 Thomas E. Dickey                                          *
5  * Copyright 2001-2011,2012 Free Software Foundation, Inc.                  *
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31 
32 /*
33 **	lib_wunctrl.c
34 **
35 **	The routine wunctrl().
36 **
37 */
38 
39 #include <curses.priv.h>
40 
41 MODULE_ID("$Id: lib_wunctrl.c,v 1.2 2023/10/17 09:52:09 nicm Exp $")
42 
NCURSES_EXPORT(wchar_t *)43 NCURSES_EXPORT(wchar_t *)
44 NCURSES_SP_NAME(wunctrl) (NCURSES_SP_DCLx cchar_t *wc)
45 {
46     static wchar_t str[CCHARW_MAX + 1], *wsp;
47     wchar_t *result;
48 
49     if (wc == 0) {
50 	result = 0;
51     } else if (SP_PARM != 0 && Charable(*wc)) {
52 	const char *p =
53 	NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx
54 				 (unsigned) _nc_to_char((wint_t)CharOf(*wc)));
55 
56 	for (wsp = str; *p; ++p) {
57 	    *wsp++ = (wchar_t) _nc_to_widechar(*p);
58 	}
59 	*wsp = 0;
60 	result = str;
61     } else {
62 	result = wc->chars;
63     }
64     return result;
65 }
66 
67 #if NCURSES_SP_FUNCS
68 NCURSES_EXPORT(wchar_t *)
wunctrl(cchar_t * wc)69 wunctrl(cchar_t *wc)
70 {
71     return NCURSES_SP_NAME(wunctrl) (CURRENT_SCREEN, wc);
72 }
73 #endif
74