kern_recvmsg() may not return a valid(non-NULL) pointer to `sa'
[dragonfly.git] / usr.bin / window / cmd3.c
blob62e48db56169e9f17a5d7671392d80eb24c17733
1 /*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Edward Wang at The University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
36 * @(#)cmd3.c 8.1 (Berkeley) 6/6/93
37 * $FreeBSD: src/usr.bin/window/cmd3.c,v 1.1.1.1.14.2 2001/05/17 09:45:00 obrien Exp $
38 * $DragonFly: src/usr.bin/window/cmd3.c,v 1.3 2005/04/15 17:55:29 drhodus Exp $
41 #include "defs.h"
42 #include "mystring.h"
44 setescape(esc)
45 char *esc;
47 if (*esc == '^') {
48 if (esc[1] != 0)
49 escapec = esc[1] & 0x1f;
50 else
51 escapec = '^';
52 } else
53 escapec = *esc;
56 setlabel(w, label)
57 struct ww *w;
58 char *label;
60 if (w->ww_label != 0)
61 str_free(w->ww_label);
62 if ((w->ww_label = str_cpy(label)) == 0)
63 return -1;
64 return 0;