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author | 1996-06-02 06:04:50 +0000 | |
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committer | 1996-06-02 06:04:50 +0000 | |
commit | ca751a4c440c24b9feedffffe0dd93cc1e00ab0c (patch) | |
tree | 3ce3bce27611f188dc5c8a99bd9a2e9f5addfcc7 /lib/libcurses/lib_erase.c | |
parent | Add LIBOLDCURSES (diff) | |
download | wireguard-openbsd-ca751a4c440c24b9feedffffe0dd93cc1e00ab0c.tar.xz wireguard-openbsd-ca751a4c440c24b9feedffffe0dd93cc1e00ab0c.zip |
Install ncurses as -lcurses and <curses.h>
Install BSD curses library as -locurses and <ocurses.h>
Diffstat (limited to 'lib/libcurses/lib_erase.c')
-rw-r--r-- | lib/libcurses/lib_erase.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libcurses/lib_erase.c b/lib/libcurses/lib_erase.c new file mode 100644 index 00000000000..1a3ee5c8841 --- /dev/null +++ b/lib/libcurses/lib_erase.c @@ -0,0 +1,66 @@ + +/*************************************************************************** +* COPYRIGHT NOTICE * +**************************************************************************** +* ncurses is copyright (C) 1992-1995 * +* Zeyd M. Ben-Halim * +* zmbenhal@netcom.com * +* Eric S. Raymond * +* esr@snark.thyrsus.com * +* * +* Permission is hereby granted to reproduce and distribute ncurses * +* by any means and for any fee, whether alone or as part of a * +* larger distribution, in source or in binary form, PROVIDED * +* this notice is included with any such distribution, and is not * +* removed from any of its header files. Mention of ncurses in any * +* applications linked with it is highly appreciated. * +* * +* ncurses comes AS IS with no warranty, implied or expressed. * +* * +***************************************************************************/ + + +/* +** lib_erase.c +** +** The routine werase(). +** +*/ + +#include "curses.priv.h" + +int werase(WINDOW *win) +{ +int y; +chtype *sp, *end, *start, *maxx = NULL; +short minx; + + T(("werase(%p) called", win)); + + for (y = 0; y <= win->_maxy; y++) { + minx = _NOCHANGE; + start = win->_line[y].text; + end = &start[win->_maxx]; + + maxx = start; + for (sp = start; sp <= end; sp++) { + maxx = sp; + if (minx == _NOCHANGE) + minx = sp - start; + *sp = _nc_render(win, *sp, BLANK); + } + + if (minx != _NOCHANGE) { + if (win->_line[y].firstchar > minx || + win->_line[y].firstchar == _NOCHANGE) + win->_line[y].firstchar = minx; + + if (win->_line[y].lastchar < maxx - win->_line[y].text) + win->_line[y].lastchar = maxx - win->_line[y].text; + } + } + win->_curx = win->_cury = 0; + win->_flags &= ~_NEED_WRAP; + _nc_synchook(win); + return OK; +} |