xref: /netbsd-src/external/bsd/tmux/dist/compat/ntohll.c (revision f8cf1a9151c7af1cb0bd8b09c13c66bca599c027)
1c23f9150Swiz /*
2c23f9150Swiz  * Copyright (c) 2024 Nicholas Marriott <nicholas.marriott@gmail.com>
3c23f9150Swiz  *
4c23f9150Swiz  * Permission to use, copy, modify, and distribute this software for any
5c23f9150Swiz  * purpose with or without fee is hereby granted, provided that the above
6c23f9150Swiz  * copyright notice and this permission notice appear in all copies.
7c23f9150Swiz  *
8c23f9150Swiz  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9c23f9150Swiz  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10c23f9150Swiz  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11c23f9150Swiz  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12c23f9150Swiz  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
13c23f9150Swiz  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
14c23f9150Swiz  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15c23f9150Swiz  */
16c23f9150Swiz 
17*f8cf1a91Swiz #include <arpa/inet.h>
18c23f9150Swiz #include <sys/types.h>
19c23f9150Swiz 
20c23f9150Swiz #include "compat.h"
21c23f9150Swiz 
22c23f9150Swiz uint64_t
23c23f9150Swiz ntohll(uint64_t v)
24c23f9150Swiz {
25c23f9150Swiz     uint32_t b;
26c23f9150Swiz     uint32_t t;
27c23f9150Swiz 
28c23f9150Swiz     b = ntohl (v & 0xffffffff);
29c23f9150Swiz     t = ntohl (v >> 32);
30c23f9150Swiz     return ((uint64_t)b << 32 | t);
31c23f9150Swiz }
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