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1 5e11c00c 2021-03-02 op /*
2 5e11c00c 2021-03-02 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3 5e11c00c 2021-03-02 op *
4 5e11c00c 2021-03-02 op * Permission to use, copy, modify, and distribute this software for any
5 5e11c00c 2021-03-02 op * purpose with or without fee is hereby granted, provided that the above
6 5e11c00c 2021-03-02 op * copyright notice and this permission notice appear in all copies.
7 5e11c00c 2021-03-02 op *
8 5e11c00c 2021-03-02 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 5e11c00c 2021-03-02 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 5e11c00c 2021-03-02 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 5e11c00c 2021-03-02 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 5e11c00c 2021-03-02 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 5e11c00c 2021-03-02 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 5e11c00c 2021-03-02 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 5e11c00c 2021-03-02 op */
16 5e11c00c 2021-03-02 op
17 5e11c00c 2021-03-02 op #include "telescope.h"
18 5e11c00c 2021-03-02 op
19 5e11c00c 2021-03-02 op #include <fcntl.h>
20 5e11c00c 2021-03-02 op
21 5e11c00c 2021-03-02 op int
22 5e11c00c 2021-03-02 op mark_nonblock(int fd)
23 5e11c00c 2021-03-02 op {
24 5e11c00c 2021-03-02 op int flags;
25 5e11c00c 2021-03-02 op
26 5e11c00c 2021-03-02 op if ((flags = fcntl(fd, F_GETFL)) == -1)
27 5e11c00c 2021-03-02 op return 0;
28 5e11c00c 2021-03-02 op if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1)
29 5e11c00c 2021-03-02 op return 0;
30 5e11c00c 2021-03-02 op return 1;
31 5e11c00c 2021-03-02 op }
32 5e11c00c 2021-03-02 op
33 5e11c00c 2021-03-02 op char *
34 5e11c00c 2021-03-02 op telescope_strnchr(char *b, char d, size_t len)
35 5e11c00c 2021-03-02 op {
36 5e11c00c 2021-03-02 op size_t i;
37 5e11c00c 2021-03-02 op
38 5e11c00c 2021-03-02 op for (i = 0; i < len; ++i) {
39 5e11c00c 2021-03-02 op if (b[i] == d)
40 5e11c00c 2021-03-02 op return &b[i];
41 5e11c00c 2021-03-02 op }
42 5e11c00c 2021-03-02 op
43 5e11c00c 2021-03-02 op return NULL;
44 5e11c00c 2021-03-02 op }