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Contents
/* Public Domain Curses */
#include <curspriv.h>
/*man-start**************************************************************
delch
-----
### Synopsis
int delch(void);
int wdelch(WINDOW *win);
int mvdelch(int y, int x);
int mvwdelch(WINDOW *win, int y, int x);
### Description
The character under the cursor in the window is deleted. All
characters to the right on the same line are moved to the left
one position and the last character on the line is filled with
a blank. The cursor position does not change (after moving to
y, x if coordinates are specified).
### Return Value
All functions return OK on success and ERR on error.
### Portability
X/Open BSD SYS V
delch Y Y Y
wdelch Y Y Y
mvdelch Y Y Y
mvwdelch Y Y Y
**man-end****************************************************************/
#include <string.h>
int wdelch(WINDOW *win)
{
int y, x, maxx;
chtype *temp1;
PDC_LOG(("wdelch() - called\n"));
if (!win)
return ERR;
y = win->_cury;
x = win->_curx;
maxx = win->_maxx - 1;
temp1 = &win->_y[y][x];
memmove(temp1, temp1 + 1, (maxx - x) * sizeof(chtype));
/* wrs (4/10/93) account for window background */
win->_y[y][maxx] = win->_bkgd;
win->_lastch[y] = maxx;
if ((win->_firstch[y] == _NO_CHANGE) || (win->_firstch[y] > x))
win->_firstch[y] = x;
PDC_sync(win);
return OK;
}
int delch(void)
{
PDC_LOG(("delch() - called\n"));
return wdelch(stdscr);
}
int mvdelch(int y, int x)
{
PDC_LOG(("mvdelch() - called\n"));
if (move(y, x) == ERR)
return ERR;
return wdelch(stdscr);
}
int mvwdelch(WINDOW *win, int y, int x)
{
PDC_LOG(("mvwdelch() - called\n"));
if (wmove(win, y, x) == ERR)
return ERR;
return wdelch(win);
}
Version data entries
8 entries across 8 versions & 1 rubygems