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6e1c93d0 | 1 | /* |
a25f050d KB |
2 | * Copyright (c) 1981, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
2f14f200 | 4 | * |
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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. | |
6e1c93d0 DF |
32 | */ |
33 | ||
34 | #ifndef lint | |
ad787160 | 35 | static char sccsid[] = "@(#)insch.c 8.1 (Berkeley) 6/4/93"; |
aafbddec | 36 | #endif /* not lint */ |
6e1c93d0 | 37 | |
aafbddec | 38 | #include <curses.h> |
76852b34 | 39 | #include <string.h> |
aec27b08 KA |
40 | |
41 | /* | |
aafbddec | 42 | * winsch -- |
1c04a491 | 43 | * Do an insert-char on the line, leaving (cury, curx) unchanged. |
aec27b08 | 44 | */ |
aafbddec KB |
45 | int |
46 | winsch(win, ch) | |
47 | register WINDOW *win; | |
48 | int ch; | |
49 | { | |
aec27b08 | 50 | |
1c04a491 | 51 | register __LDATA *end, *temp1, *temp2; |
aec27b08 | 52 | |
0c5c5188 EA |
53 | end = &win->lines[win->cury]->line[win->curx]; |
54 | temp1 = &win->lines[win->cury]->line[win->maxx - 1]; | |
aec27b08 | 55 | temp2 = temp1 - 1; |
1589e7d3 | 56 | while (temp1 > end) { |
a307f364 | 57 | (void)memcpy(temp1, temp2, sizeof(__LDATA)); |
1589e7d3 EA |
58 | temp1--, temp2--; |
59 | } | |
1c04a491 EA |
60 | temp1->ch = ch; |
61 | temp1->attr &= ~__STANDOUT; | |
e3923e32 | 62 | __touchline(win, win->cury, win->curx, win->maxx - 1, 0); |
0c5c5188 | 63 | if (win->cury == LINES - 1 && |
1c04a491 EA |
64 | (win->lines[LINES - 1]->line[COLS - 1].ch != ' ' || |
65 | win->lines[LINES -1]->line[COLS - 1].attr != 0)) | |
0c5c5188 | 66 | if (win->flags & __SCROLLOK) { |
aec27b08 KA |
67 | wrefresh(win); |
68 | scroll(win); | |
0c5c5188 | 69 | win->cury--; |
aafbddec | 70 | } else |
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71 | return (ERR); |
72 | return (OK); | |
aec27b08 | 73 | } |