/* $OpenBSD: lib_key_name.c,v 1.2 2023/10/17 09:52:09 nicm Exp $ */ /**************************************************************************** * Copyright 2020,2023 Thomas E. Dickey * * Copyright 2007-2008,2017 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 * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /* ** lib_key_name.c ** ** The routine key_name(). ** */ #include MODULE_ID("$Id: lib_key_name.c,v 1.2 2023/10/17 09:52:09 nicm Exp $") #define MyData _nc_globals.key_name NCURSES_EXPORT(NCURSES_CONST char *) key_name(wchar_t c) { cchar_t my_cchar; wchar_t *my_wchars; size_t len; NCURSES_CONST char *result = NULL; memset(&my_cchar, 0, sizeof(my_cchar)); my_cchar.chars[0] = c; my_cchar.chars[1] = L'\0'; my_wchars = wunctrl(&my_cchar); /* * wunctrl() could return a wide character rather than just a "printable" * representation. Check for that and return a corresponding multibyte * character string. */ len = wcstombs(MyData, my_wchars, sizeof(MyData) - 1); if (!isEILSEQ(len) && (len != 0) && (len <= MB_LEN_MAX)) { MyData[len] = '\0'; result = MyData; } return result; }