util.c - ltk - GUI toolkit for X11 (WIP)
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util.c (1044B)
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1 /*
2 * Copyright (c) 2023-2024 lumidify <nobody@lumidify.org>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <fcntl.h>
18 #include <errno.h>
19
20 #include "ltkd.h"
21 #include "util.h"
22
23 int
24 ltkd_set_nonblock(int fd) {
25 int flags = fcntl(fd, F_GETFL, 0);
26 if (flags == -1)
27 return -1;
28 if (fcntl(fd, F_SETFL, flags | O_NONBLOCK))
29 return -1;
30 return 0;
31 }