diff options
Diffstat (limited to 'ncurses-5.9/ncurses/base/lib_instr.c')
| -rw-r--r-- | ncurses-5.9/ncurses/base/lib_instr.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/base/lib_instr.c b/ncurses-5.9/ncurses/base/lib_instr.c new file mode 100644 index 0000000..0f14d54 --- /dev/null +++ b/ncurses-5.9/ncurses/base/lib_instr.c @@ -0,0 +1,112 @@ +/**************************************************************************** + * Copyright (c) 1998-2007,2009 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + * and: Thomas E. Dickey 1996-on * + ****************************************************************************/ + +/* +** lib_instr.c +** +** The routine winnstr(). +** +*/ + +#include <curses.priv.h> + +MODULE_ID("$Id$") + +NCURSES_EXPORT(int) +winnstr(WINDOW *win, char *str, int n) +{ + int i = 0, row, col; + + T((T_CALLED("winnstr(%p,%p,%d)"), (void *) win, str, n)); + + if (!str) + returnCode(0); + + if (win) { + getyx(win, row, col); + + if (n < 0) + n = win->_maxx - win->_curx + 1; + + for (; i < n;) { +#if USE_WIDEC_SUPPORT + cchar_t *cell = &(win->_line[row].text[col]); + wchar_t *wch; + attr_t attrs; + short pair; + int n2; + bool done = FALSE; + mbstate_t state; + size_t i3, n3; + char *tmp; + + if (!isWidecExt(*cell)) { + n2 = getcchar(cell, 0, 0, 0, 0); + if (n2 > 0 + && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) { + if (getcchar(cell, wch, &attrs, &pair, 0) == OK) { + + init_mb(state); + n3 = wcstombs(0, wch, 0); + if (!isEILSEQ(n3) && (n3 != 0)) { + if (((int) n3 + i) > n) { + done = TRUE; + } else if ((tmp = typeCalloc(char, n3 + 10)) == 0) { + done = TRUE; + } else { + init_mb(state); + wcstombs(tmp, wch, n3); + for (i3 = 0; i3 < n3; ++i3) + str[i++] = tmp[i3]; + free(tmp); + } + } + } + free(wch); + if (done) + break; + } + } +#else + str[i++] = (char) CharOf(win->_line[row].text[col]); +#endif + if (++col > win->_maxx) { + break; + } + } + } + str[i] = '\0'; /* SVr4 does not seem to count the null */ + T(("winnstr returns %s", _nc_visbuf(str))); + returnCode(i); +} |