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/* $OpenBSD: lib_inwstr.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 2002,2004 Free Software Foundation, Inc. * |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a * |
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* copy of this software and associated documentation files (the * |
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* "Software"), to deal in the Software without restriction, including * |
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* without limitation the rights to use, copy, modify, merge, publish, * |
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* distribute, distribute with modifications, sublicense, and/or sell * |
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* copies of the Software, and to permit persons to whom the Software is * |
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* furnished to do so, subject to the following conditions: * |
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* * |
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* The above copyright notice and this permission notice shall be included * |
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* in all copies or substantial portions of the Software. * |
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* * |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
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* * |
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* Except as contained in this notice, the name(s) of the above copyright * |
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* holders shall not be used in advertising or otherwise to promote the * |
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* sale, use or other dealings in this Software without prior written * |
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* authorization. * |
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****************************************************************************/ |
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/**************************************************************************** |
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* Author: Thomas Dickey * |
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****************************************************************************/ |
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/* |
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** lib_inwstr.c |
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** |
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** The routines winnwstr() and winwstr(). |
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** |
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*/ |
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#include <curses.priv.h> |
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MODULE_ID("$Id: lib_inwstr.c,v 1.1 2010/09/06 17:26:17 nicm Exp $") |
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NCURSES_EXPORT(int) |
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winnwstr(WINDOW *win, wchar_t *wstr, int n) |
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{ |
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int row, col, inx; |
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int count = 0; |
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int last = 0; |
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cchar_t *text; |
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wchar_t wch; |
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T((T_CALLED("winnwstr(%p,%p,%d)"), win, wstr, n)); |
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if (wstr != 0) { |
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if (win) { |
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getyx(win, row, col); |
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text = win->_line[row].text; |
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while (count < n && count != ERR) { |
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if (!isWidecExt(text[col])) { |
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for (inx = 0; (inx < CCHARW_MAX) |
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&& ((wch = text[col].chars[inx]) != 0); |
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++inx) { |
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if (count + 1 > n) { |
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if ((count = last) == 0) { |
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count = ERR; /* error if we store nothing */ |
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} |
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break; |
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} |
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wstr[count++] = wch; |
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} |
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} |
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last = count; |
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if (++col > win->_maxx) { |
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break; |
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} |
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} |
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} |
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if (count > 0) { |
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wstr[count] = '\0'; |
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T(("winnwstr returns %s", _nc_viswbuf(wstr))); |
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} |
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} |
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returnCode(count); |
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} |
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/* |
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* X/Open says winwstr() returns OK if not ERR. If that is not a blunder, it |
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* must have a null termination on the string (see above). Unlike winnstr(), |
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* it does not define what happens for a negative count with winnwstr(). |
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*/ |
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NCURSES_EXPORT(int) |
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winwstr(WINDOW *win, wchar_t *wstr) |
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{ |
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int result = OK; |
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T((T_CALLED("winwstr(%p,%p)"), win, wstr)); |
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if (winnwstr(win, wstr, CCHARW_MAX * (win->_maxx - win->_curx + 1)) == ERR) |
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result = ERR; |
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returnCode(result); |
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} |