projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 | 1 | /* |
| b80b8de3 AC |
2 | * Copyright (c) 1981, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 15637ed4 RG |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef lint | |
| b80b8de3 AC |
35 | static char sccsid[] = "@(#)insch.c 8.1 (Berkeley) 6/4/93"; |
| 36 | #endif /* not lint */ | |
| 15637ed4 | 37 | |
| b80b8de3 AC |
38 | #include <curses.h> |
| 39 | #include <string.h> | |
| 15637ed4 RG |
40 | |
| 41 | /* | |
| b80b8de3 AC |
42 | * winsch -- |
| 43 | * Do an insert-char on the line, leaving (cury, curx) unchanged. | |
| 15637ed4 | 44 | */ |
| b80b8de3 AC |
45 | int |
| 46 | winsch(win, ch) | |
| 47 | register WINDOW *win; | |
| 9fdaeef4 | 48 | char ch; |
| b80b8de3 | 49 | { |
| 15637ed4 | 50 | |
| b80b8de3 | 51 | register __LDATA *end, *temp1, *temp2; |
| 15637ed4 | 52 | |
| b80b8de3 AC |
53 | end = &win->lines[win->cury]->line[win->curx]; |
| 54 | temp1 = &win->lines[win->cury]->line[win->maxx - 1]; | |
| 15637ed4 | 55 | temp2 = temp1 - 1; |
| b80b8de3 AC |
56 | while (temp1 > end) { |
| 57 | (void)memcpy(temp1, temp2, sizeof(__LDATA)); | |
| 58 | temp1--, temp2--; | |
| 59 | } | |
| 60 | temp1->ch = ch; | |
| 61 | temp1->attr &= ~__STANDOUT; | |
| 62 | __touchline(win, win->cury, win->curx, win->maxx - 1, 0); | |
| 63 | if (win->cury == LINES - 1 && | |
| 64 | (win->lines[LINES - 1]->line[COLS - 1].ch != ' ' || | |
| 65 | win->lines[LINES -1]->line[COLS - 1].attr != 0)) | |
| 66 | if (win->flags & __SCROLLOK) { | |
| 15637ed4 RG |
67 | wrefresh(win); |
| 68 | scroll(win); | |
| b80b8de3 | 69 | win->cury--; |
| 9fdaeef4 | 70 | |
| b80b8de3 AC |
71 | } else |
| 72 | return (ERR); | |
| 73 | return (OK); | |
| 15637ed4 | 74 | } |