diff options
Diffstat (limited to 'contrib/ncurses/ncurses/widechar/lib_get_wch.c')
| -rw-r--r-- | contrib/ncurses/ncurses/widechar/lib_get_wch.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/contrib/ncurses/ncurses/widechar/lib_get_wch.c b/contrib/ncurses/ncurses/widechar/lib_get_wch.c deleted file mode 100644 index 7985df2..0000000 --- a/contrib/ncurses/ncurses/widechar/lib_get_wch.c +++ /dev/null @@ -1,119 +0,0 @@ -/**************************************************************************** - * Copyright (c) 2002-2006,2007 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. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Thomas E. Dickey 2002-on * - ****************************************************************************/ - -/* -** lib_get_wch.c -** -** The routine get_wch(). -** -*/ - -#include <curses.priv.h> -#include <ctype.h> - -MODULE_ID("$Id: lib_get_wch.c,v 1.14 2007/05/12 19:03:16 tom Exp $") - -#if HAVE_MBTOWC && HAVE_MBLEN -#define reset_mbytes(state) mblen(NULL, 0), mbtowc(NULL, NULL, 0) -#define count_mbytes(buffer,length,state) mblen(buffer,length) -#define check_mbytes(wch,buffer,length,state) \ - (int) mbtowc(&wch, buffer, length) -#define state_unused -#elif HAVE_MBRTOWC && HAVE_MBRLEN -#define reset_mbytes(state) init_mb(state) -#define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state) -#define check_mbytes(wch,buffer,length,state) \ - (int) mbrtowc(&wch, buffer, length, &state) -#else -make an error -#endif - -NCURSES_EXPORT(int) -wget_wch(WINDOW *win, wint_t *result) -{ - int code; - char buffer[(MB_LEN_MAX * 9) + 1]; /* allow some redundant shifts */ - int status; - size_t count = 0; - unsigned long value; - wchar_t wch; -#ifndef state_unused - mbstate_t state; -#endif - - T((T_CALLED("wget_wch(%p)"), win)); - - /* - * We can get a stream of single-byte characters and KEY_xxx codes from - * _nc_wgetch(), while we want to return a wide character or KEY_xxx code. - */ - for (;;) { - T(("reading %d of %d", (int) count + 1, (int) sizeof(buffer))); - code = _nc_wgetch(win, &value, TRUE EVENTLIST_2nd((_nc_eventlist *) 0)); - if (code == ERR) { - break; - } else if (code == KEY_CODE_YES) { - /* - * If we were processing an incomplete multibyte character, return - * an error since we have a KEY_xxx code which interrupts it. For - * some cases, we could improve this by writing a new version of - * lib_getch.c(!), but it is not clear whether the improvement - * would be worth the effort. - */ - if (count != 0) { - ungetch((int) value); - code = ERR; - } - break; - } else if (count + 1 >= sizeof(buffer)) { - ungetch((int) value); - code = ERR; - break; - } else { - buffer[count++] = UChar(value); - reset_mbytes(state); - status = count_mbytes(buffer, count, state); - if (status >= 0) { - reset_mbytes(state); - if (check_mbytes(wch, buffer, count, state) != status) { - code = ERR; /* the two calls should match */ - ungetch((int) value); - } - value = wch; - break; - } - } - } - *result = value; - T(("result %#lo", value)); - returnCode(code); -} |
