1 /*
2  * Copyright (c) 2021, 2024 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and 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 "compat.h"
18 
19 #include <errno.h>
20 #include <fcntl.h>
21 #include <stdlib.h>
22 #include <string.h>
23 
24 #include "utils.h"
25 
26 int
27 mark_nonblock_cloexec(int fd)
28 {
29 	int flags;
30 
31 	if ((flags = fcntl(fd, F_GETFL)) == -1)
32 		return 0;
33 	if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1)
34 		return 0;
35 	if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
36 		return 0;
37 	return 1;
38 }
39 
40 int
41 has_suffix(const char *str, const char *sufx)
42 {
43 	size_t l, s;
44 
45 	l = strlen(str);
46 	s = strlen(sufx);
47 
48 	if (l < s)
49 		return 0;
50 
51 	return !strcmp(str + (l - s), sufx);
52 }
53 
54 void *
55 hash_alloc(size_t len, void *d)
56 {
57 	if ((d = malloc(len)) == NULL)
58 		abort();
59 	return d;
60 }
61 
62 void *
63 hash_calloc(size_t nmemb, size_t size, void *d)
64 {
65 	if ((d = calloc(nmemb, size)) == NULL)
66 		abort();
67 	return d;
68 }
69 
70 void
71 hash_free(void *ptr, void *d)
72 {
73 	free(ptr);
74 }