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annotate lib/arpa_inet.in.h @ 11527:4fe203c3f828

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Replace wcrtomb, wcsrtombs, wcsnrtombs if mbstate_t has to be replaced.
author Bruno Haible <bruno@clisp.org>
date Fri, 01 May 2009 18:01:52 +0200
parents 96c5472dd7a2
children e8d2c6fc33ad
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d26ac8a528f7 Enable gnulib's <arpa/inet.h> replacement also when inet_ntop or inet_pton need to be declared.
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1 /* A GNU-like <arpa/inet.h>.
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2
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3 Copyright (C) 2005-2006, 2008 Free Software Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software Foundation,
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17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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18
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19 #ifndef _GL_ARPA_INET_H
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20
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21 /* Gnulib's sys/socket.h is responsible for pulling in winsock2.h etc
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22 under MinGW. */
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23 #include <sys/socket.h>
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24
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25 #if @HAVE_ARPA_INET_H@
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26
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27 # if __GNUC__ >= 3
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28 @PRAGMA_SYSTEM_HEADER@
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29 # endif
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31 /* The include_next requires a split double-inclusion guard. */
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32 # @INCLUDE_NEXT@ @NEXT_ARPA_INET_H@
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33
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34 #endif
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36 #ifndef _GL_ARPA_INET_H
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37 #define _GL_ARPA_INET_H
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38
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39 /* The definition of GL_LINK_WARNING is copied here. */
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40
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41 #ifdef __cplusplus
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42 extern "C" {
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43 #endif
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44
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45 #if @GNULIB_INET_NTOP@
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46 # if !@HAVE_DECL_INET_NTOP@
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47 /* Converts an internet address from internal format to a printable,
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48 presentable format.
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49 AF is an internet address family, such as AF_INET or AF_INET6.
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50 SRC points to a 'struct in_addr' (for AF_INET) or 'struct in6_addr'
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51 (for AF_INET6).
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52 DST points to a buffer having room for CNT bytes.
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53 The printable representation of the address (in numeric form, not
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54 surrounded by [...], no reverse DNS is done) is placed in DST, and
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55 DST is returned. If an error occurs, the return value is NULL and
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56 errno is set. If CNT bytes are not sufficient to hold the result,
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57 the return value is NULL and errno is set to ENOSPC. A good value
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58 for CNT is 46.
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59
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60 For more details, see the POSIX:2001 specification
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61 <http://www.opengroup.org/susv3xsh/inet_ntop.html>. */
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62 extern const char *inet_ntop (int af, const void *restrict src,
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63 char *restrict dst, socklen_t cnt);
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64 # endif
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65 #elif defined GNULIB_POSIXCHECK
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66 # undef inet_ntop
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67 # define inet_ntop(af,src,dst,cnt) \
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68 (GL_LINK_WARNING ("inet_ntop is unportable - " \
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69 "use gnulib module inet_ntop for portability"), \
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70 inet_ntop (af, src, dst, cnt))
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71 #endif
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72
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73 #if @GNULIB_INET_PTON@
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74 # if !@HAVE_DECL_INET_PTON@
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75 extern int inet_pton (int af, const char *restrict src, void *restrict dst);
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76 # endif
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77 #elif defined GNULIB_POSIXCHECK
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78 # undef inet_pton
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79 # define inet_pton(af,src,dst) \
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80 (GL_LINK_WARNING ("inet_pton is unportable - " \
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81 "use gnulib module inet_pton for portability"), \
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82 inet_pton (af, src, dst))
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83 #endif
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84
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85 #ifdef __cplusplus
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86 }
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87 #endif
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88
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89 #endif /* _GL_ARPA_INET_H */
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90 #endif /* _GL_ARPA_INET_H */