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/* $OpenBSD: lib_instr.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2005,2007 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * |
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* and: Eric S. Raymond <esr@snark.thyrsus.com> * |
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* and: Thomas E. Dickey 1996-on * |
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****************************************************************************/ |
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/* |
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** lib_instr.c |
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** |
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** The routine winnstr(). |
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** |
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*/ |
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#include <curses.priv.h> |
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MODULE_ID("$Id: lib_instr.c,v 1.3 2010/01/12 23:22:06 nicm Exp $") |
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NCURSES_EXPORT(int) |
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winnstr(WINDOW *win, char *str, int n) |
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{ |
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int i = 0, row, col; |
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T((T_CALLED("winnstr(%p,%p,%d)"), win, str, n)); |
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if (!str) |
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returnCode(0); |
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if (win) { |
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getyx(win, row, col); |
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if (n < 0) |
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n = win->_maxx - win->_curx + 1; |
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for (; i < n;) { |
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#if USE_WIDEC_SUPPORT |
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cchar_t *cell = &(win->_line[row].text[col]); |
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wchar_t *wch; |
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attr_t attrs; |
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short pair; |
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int n2; |
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bool done = FALSE; |
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mbstate_t state; |
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size_t i3, n3; |
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char *tmp; |
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if (!isWidecExt(*cell)) { |
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n2 = getcchar(cell, 0, 0, 0, 0); |
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if (n2 > 0 |
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&& (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) { |
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if (getcchar(cell, wch, &attrs, &pair, 0) == OK) { |
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init_mb(state); |
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n3 = wcstombs(0, wch, 0); |
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if (isEILSEQ(n3) || (n3 == 0)) { |
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; |
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} else if ((int) (n3 + i) > n) { |
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done = TRUE; |
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} else if ((tmp = typeCalloc(char, n3 + 10)) == 0) { |
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done = TRUE; |
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} else { |
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init_mb(state); |
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wcstombs(tmp, wch, n3); |
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for (i3 = 0; i3 < n3; ++i3) |
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str[i++] = tmp[i3]; |
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free(tmp); |
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} |
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} |
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free(wch); |
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if (done) |
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break; |
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} |
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} |
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#else |
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str[i++] = (char) CharOf(win->_line[row].text[col]); |
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#endif |
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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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str[i] = '\0'; /* SVr4 does not seem to count the null */ |
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T(("winnstr returns %s", _nc_visbuf(str))); |
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returnCode(i); |
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} |