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31 ** Support functions for wide/narrow conversion.
34 #include <curses.priv.h>
36 MODULE_ID("$Id: charable.c,v 1.8 2020/02/02 23:34:34 tom Exp $")
38 NCURSES_EXPORT(bool) _nc_is_charable(wchar_t ch)
42 result = (wctob((wint_t) ch) == (int) ch);
44 result = (_nc_to_char(ch) >= 0);
49 NCURSES_EXPORT(int) _nc_to_char(wint_t ch)
55 char temp[MB_LEN_MAX];
56 result = wctomb(temp, ch);
57 if (strlen(temp) == 1)
58 result = UChar(temp[0]);
62 #error expected either wctob/wctomb
67 NCURSES_EXPORT(wint_t) _nc_to_widechar(int ch)
77 if (mbtowc(&convert, temp, 1) >= 0)
82 #error expected either btowc/mbtowc