150276Speter/**************************************************************************** 2174993Srafan * Copyright (c) 1998-2005,2007 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 3150276Speter * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32166124Srafan * and: Thomas E. Dickey 1996-on * 3350276Speter ****************************************************************************/ 3450276Speter 3550276Speter/* 3650276Speter** lib_instr.c 3750276Speter** 3850276Speter** The routine winnstr(). 3950276Speter** 4050276Speter*/ 4150276Speter 4250276Speter#include <curses.priv.h> 4350276Speter 44174993SrafanMODULE_ID("$Id: lib_instr.c,v 1.16 2007/07/21 20:18:10 tom Exp $") 4550276Speter 4676726SpeterNCURSES_EXPORT(int) 4776726Speterwinnstr(WINDOW *win, char *str, int n) 4850276Speter{ 4976726Speter int i = 0, row, col; 5050276Speter 5176726Speter T((T_CALLED("winnstr(%p,%p,%d)"), win, str, n)); 5250276Speter 5376726Speter if (!str) 5476726Speter returnCode(0); 5550276Speter 5676726Speter if (win) { 5776726Speter getyx(win, row, col); 5876726Speter 5976726Speter if (n < 0) 6050276Speter n = win->_maxx - win->_curx + 1; 6150276Speter 6276726Speter for (; i < n;) { 63166124Srafan#if USE_WIDEC_SUPPORT 64166124Srafan cchar_t *cell = &(win->_line[row].text[col]); 65166124Srafan wchar_t *wch; 66166124Srafan attr_t attrs; 67166124Srafan short pair; 68166124Srafan int n2; 69166124Srafan bool done = FALSE; 70166124Srafan mbstate_t state; 71166124Srafan size_t i3, n3; 72166124Srafan char *tmp; 73166124Srafan 74166124Srafan if (!isWidecExt(*cell)) { 75166124Srafan n2 = getcchar(cell, 0, 0, 0, 0); 76166124Srafan if (n2 > 0 77166124Srafan && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) { 78166124Srafan if (getcchar(cell, wch, &attrs, &pair, 0) == OK) { 79166124Srafan 80166124Srafan init_mb(state); 81166124Srafan n3 = wcstombs(0, wch, 0); 82166124Srafan if (isEILSEQ(n3) || (n3 == 0)) { 83166124Srafan ; 84174993Srafan } else if ((int) (n3 + i) > n) { 85166124Srafan done = TRUE; 86166124Srafan } else if ((tmp = typeCalloc(char, n3 + 10)) == 0) { 87166124Srafan done = TRUE; 88166124Srafan } else { 89166124Srafan init_mb(state); 90166124Srafan wcstombs(tmp, wch, n3); 91166124Srafan for (i3 = 0; i3 < n3; ++i3) 92166124Srafan str[i++] = tmp[i3]; 93166124Srafan free(tmp); 94166124Srafan } 95166124Srafan } 96166124Srafan free(wch); 97166124Srafan if (done) 98166124Srafan break; 99166124Srafan } 100166124Srafan } 101166124Srafan#else 102166124Srafan str[i++] = (char) CharOf(win->_line[row].text[col]); 103166124Srafan#endif 10450276Speter if (++col > win->_maxx) { 105174993Srafan break; 10650276Speter } 10750276Speter } 10876726Speter } 10976726Speter str[i] = '\0'; /* SVr4 does not seem to count the null */ 110166124Srafan T(("winnstr returns %s", _nc_visbuf(str))); 11176726Speter returnCode(i); 11250276Speter} 113