/usr/include/inn/portable-getnameinfo.h is in inn2-dev 2.6.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /* $Id: getnameinfo.h 10099 2016-11-04 22:21:59Z iulius $
*
* Replacement implementation of getnameinfo.
*
* This is an implementation of the getnameinfo function for systems that lack
* it, so that code can use getnameinfo always. It provides IPv4 support
* only; for IPv6 support, a native getnameinfo implemenation is required.
*
* This file should generally be included by way of portable/socket.h rather
* than directly.
*
* The canonical version of this file is maintained in the rra-c-util package,
* which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
*
* Written by Russ Allbery <eagle@eyrie.org>
*
* The authors hereby relinquish any claim to any copyright that they may have
* in this work, whether granted under contract or by operation of law or
* international treaty, and hereby commit to the public, at large, that they
* shall not, at any time in the future, seek to enforce any copyright in this
* work against any person or entity, or prevent any person or entity from
* copying, publishing, distributing or creating derivative works of this
* work.
*/
#ifndef PORTABLE_GETNAMEINFO_H
#define PORTABLE_GETNAMEINFO_H 1
#include <inn/defines.h>
#include "inn/portable-macros.h"
/* Skip this entire file if a system getaddrinfo was detected. */
#if !HAVE_GETNAMEINFO
/* OpenBSD likes to have sys/types.h included before sys/socket.h. */
#include <sys/types.h>
#include <sys/socket.h>
/* Constants for flags from RFC 3493, combined with binary or. */
#define NI_NOFQDN 0x0001
#define NI_NUMERICHOST 0x0002
#define NI_NAMEREQD 0x0004
#define NI_NUMERICSERV 0x0008
#define NI_DGRAM 0x0010
/*
* Maximum length of hostnames and service names. Our implementation doesn't
* use these values, so they're taken from Linux. They're provided just for
* code that uses them to size buffers.
*/
#ifndef NI_MAXHOST
# define NI_MAXHOST 1025
#endif
#ifndef NI_MAXSERV
# define NI_MAXSERV 32
#endif
BEGIN_DECLS
/* Function prototypes. */
int getnameinfo(const struct sockaddr *sa, socklen_t salen,
char *node, socklen_t nodelen,
char *service, socklen_t servicelen, int flags);
END_DECLS
#endif /* !HAVE_GETNAMEINFO */
#endif /* !PORTABLE_GETNAMEINFO_H */
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