diff options
Diffstat (limited to 'ncurses-5.3/ncurses/widechar/lib_inwstr.c')
| -rw-r--r-- | ncurses-5.3/ncurses/widechar/lib_inwstr.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/widechar/lib_inwstr.c b/ncurses-5.3/ncurses/widechar/lib_inwstr.c new file mode 100644 index 0000000..f175de9 --- /dev/null +++ b/ncurses-5.3/ncurses/widechar/lib_inwstr.c @@ -0,0 +1,100 @@ +/**************************************************************************** + * Copyright (c) 2002 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 Dickey 2002 * + ****************************************************************************/ + +/* +** lib_inwstr.c +** +** The routines winnwstr() and winwstr(). +** +*/ + +#include <curses.priv.h> + +MODULE_ID("$Id$") + +NCURSES_EXPORT(int) +winnwstr(WINDOW *win, wchar_t * wstr, int n) +{ + int row, col, inx; + int count = 0; + int last = 0; + cchar_t *text; + wchar_t wch; + + T((T_CALLED("winnwstr(%p,%p,%d)"), win, wstr, n)); + if (wstr != 0) { + if (win) { + getyx(win, row, col); + + text = win->_line[row].text; + while (count < n && count != ERR) { + if (!isnac(text[col])) { + for (inx = 0; (inx < CCHARW_MAX) + && ((wch = text[col].chars[inx]) != 0); + ++inx) { + if (count + 1 > n) { + if ((count = last) == 0) { + count = ERR; /* error if we store nothing */ + } + break; + } + wstr[count++] = wch; + } + } + last = count; + if (++col > win->_maxx) { + break; + } + } + } + if (count > 0) { + wstr[count] = '\0'; + T(("winnwstr returns %s", _nc_viswbuf(wstr))); + } + } + returnCode(count); +} + +/* + * X/Open says winwstr() returns OK if not ERR. If that is not a blunder, it + * must have a null termination on the string (see above). Unlike winnstr(), + * it does not define what happens for a negative count with winnwstr(). + */ +NCURSES_EXPORT(int) +winwstr(WINDOW *win, wchar_t * wstr) +{ + int result = OK; + T((T_CALLED("winwstr(%p,%p)"), win, wstr)); + if (winnwstr(win, wstr, CCHARW_MAX * (win->_maxx - win->_curx + 1)) == ERR) + result = ERR; + returnCode(result); +} |