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Diffstat (limited to 'lib/netdb.in.h')
| -rw-r--r-- | lib/netdb.in.h | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/lib/netdb.in.h b/lib/netdb.in.h new file mode 100644 index 0000000..e05cf4b --- /dev/null +++ b/lib/netdb.in.h @@ -0,0 +1,295 @@ +/* Provide a netdb.h header file for systems lacking it (read: MinGW). + Copyright (C) 2008-2022 Free Software Foundation, Inc. + Written by Simon Josefsson. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* This file is supposed to be used on platforms that lack <netdb.h>. + It is intended to provide definitions and prototypes needed by an + application. */ + +#ifndef _@GUARD_PREFIX@_NETDB_H + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +#if @HAVE_NETDB_H@ + +/* The include_next requires a split double-inclusion guard. */ +# @INCLUDE_NEXT@ @NEXT_NETDB_H@ + +#endif + +#ifndef _@GUARD_PREFIX@_NETDB_H +#define _@GUARD_PREFIX@_NETDB_H + +/* Get <netdb.h> definitions such as 'socklen_t' on IRIX 6.5 and OSF/1 4.0 and + 'struct hostent' on MinGW. */ +#include <sys/socket.h> + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + +/* Declarations for a platform that lacks <netdb.h>, or where it is + incomplete. */ + +#if @GNULIB_GETADDRINFO@ + +# if !@HAVE_STRUCT_ADDRINFO@ + +# ifdef __cplusplus +extern "C" { +# endif + +# if !GNULIB_defined_struct_addrinfo +/* Structure to contain information about address of a service provider. */ +struct addrinfo +{ + int ai_flags; /* Input flags. */ + int ai_family; /* Protocol family for socket. */ + int ai_socktype; /* Socket type. */ + int ai_protocol; /* Protocol for socket. */ + socklen_t ai_addrlen; /* Length of socket address. */ + struct sockaddr *ai_addr; /* Socket address for socket. */ + char *ai_canonname; /* Canonical name for service location. */ + struct addrinfo *ai_next; /* Pointer to next in list. */ +}; +# define GNULIB_defined_struct_addrinfo 1 +# endif + +# ifdef __cplusplus +} +# endif + +# endif + +/* Possible values for 'ai_flags' field in 'addrinfo' structure. */ +# ifndef AI_PASSIVE +# define AI_PASSIVE 0x0001 /* Socket address is intended for 'bind'. */ +# endif +# ifndef AI_CANONNAME +# define AI_CANONNAME 0x0002 /* Request for canonical name. */ +# endif +# ifndef AI_NUMERICSERV +# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */ +# endif + +# if 0 +# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ +# endif + +/* These symbolic constants are required to be present by POSIX, but + our getaddrinfo replacement doesn't use them (yet). Setting them + to 0 on systems that doesn't have them avoids causing problems for + system getaddrinfo implementations that would be confused by + unknown values. */ +# ifndef AI_V4MAPPED +# define AI_V4MAPPED 0 /* 0x0008: IPv4 mapped addresses are acceptable. */ +# endif +# ifndef AI_ALL +# define AI_ALL 0 /* 0x0010: Return IPv4 mapped and IPv6 addresses. */ +# endif +# ifndef AI_ADDRCONFIG +# define AI_ADDRCONFIG 0 /* 0x0020: Use configuration of this host to choose + returned address type. */ +# endif + +/* Error values for 'getaddrinfo' function. */ +# ifndef EAI_BADFLAGS +# define EAI_BADFLAGS -1 /* Invalid value for 'ai_flags' field. */ +# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */ +# define EAI_AGAIN -3 /* Temporary failure in name resolution. */ +# define EAI_FAIL -4 /* Non-recoverable failure in name res. */ +# define EAI_NODATA -5 /* No address associated with NAME. */ +# define EAI_FAMILY -6 /* 'ai_family' not supported. */ +# define EAI_SOCKTYPE -7 /* 'ai_socktype' not supported. */ +# define EAI_SERVICE -8 /* SERVICE not supported for 'ai_socktype'. */ +# define EAI_MEMORY -10 /* Memory allocation failure. */ +# endif + +/* Since EAI_NODATA is deprecated by RFC3493, some systems (at least + FreeBSD, which does define EAI_BADFLAGS) have removed the definition + in favor of EAI_NONAME. */ +# if !defined EAI_NODATA && defined EAI_NONAME +# define EAI_NODATA EAI_NONAME +# endif + +# ifndef EAI_OVERFLOW +/* Not defined on mingw32 and Haiku. */ +# define EAI_OVERFLOW -12 /* Argument buffer overflow. */ +# endif +# ifndef EAI_ADDRFAMILY +/* Not defined on mingw32. */ +# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ +# endif +# ifndef EAI_SYSTEM +/* Not defined on mingw32. */ +# define EAI_SYSTEM -11 /* System error returned in 'errno'. */ +# endif + +# if 0 +/* The commented out definitions below are not yet implemented in the + GNULIB getaddrinfo() replacement, so are not yet needed. + + If they are restored, be sure to protect the definitions with #ifndef. */ +# ifndef EAI_INPROGRESS +# define EAI_INPROGRESS -100 /* Processing request in progress. */ +# define EAI_CANCELED -101 /* Request canceled. */ +# define EAI_NOTCANCELED -102 /* Request not canceled. */ +# define EAI_ALLDONE -103 /* All requests done. */ +# define EAI_INTR -104 /* Interrupted by a signal. */ +# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */ +# endif +# endif + +/* Translate name of a service location and/or a service name to set of + socket addresses. + For more details, see the POSIX:2008 specification + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getaddrinfo.html>. */ +# if @REPLACE_GETADDRINFO@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getaddrinfo +# define getaddrinfo rpl_getaddrinfo +# endif +_GL_FUNCDECL_RPL (getaddrinfo, int, + (const char *restrict nodename, + const char *restrict servname, + const struct addrinfo *restrict hints, + struct addrinfo **restrict res) + _GL_ARG_NONNULL ((4))); +_GL_CXXALIAS_RPL (getaddrinfo, int, + (const char *restrict nodename, + const char *restrict servname, + const struct addrinfo *restrict hints, + struct addrinfo **restrict res)); +# else +# if !@HAVE_DECL_GETADDRINFO@ +_GL_FUNCDECL_SYS (getaddrinfo, int, + (const char *restrict nodename, + const char *restrict servname, + const struct addrinfo *restrict hints, + struct addrinfo **restrict res) + _GL_ARG_NONNULL ((4))); +# endif +_GL_CXXALIAS_SYS (getaddrinfo, int, + (const char *restrict nodename, + const char *restrict servname, + const struct addrinfo *restrict hints, + struct addrinfo **restrict res)); +# endif +_GL_CXXALIASWARN (getaddrinfo); + +/* Free 'addrinfo' structure AI including associated storage. + For more details, see the POSIX:2008 specification + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getaddrinfo.html>. */ +# if @REPLACE_GETADDRINFO@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef freeaddrinfo +# define freeaddrinfo rpl_freeaddrinfo +# endif +_GL_FUNCDECL_RPL (freeaddrinfo, void, (struct addrinfo *ai) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (freeaddrinfo, void, (struct addrinfo *ai)); +# else +# if !@HAVE_DECL_FREEADDRINFO@ +_GL_FUNCDECL_SYS (freeaddrinfo, void, (struct addrinfo *ai) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (freeaddrinfo, void, (struct addrinfo *ai)); +# endif +_GL_CXXALIASWARN (freeaddrinfo); + +# if @REPLACE_GAI_STRERROR@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef gai_strerror +# define gai_strerror rpl_gai_strerror +# endif +_GL_FUNCDECL_RPL (gai_strerror, const char *, (int ecode)); +_GL_CXXALIAS_RPL (gai_strerror, const char *, (int ecode)); +# else +# if !@HAVE_DECL_GAI_STRERROR@ +/* Convert error return from getaddrinfo() to a string. + For more details, see the POSIX:2008 specification + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/gai_strerror.html>. */ +_GL_FUNCDECL_SYS (gai_strerror, const char *, (int ecode)); +# endif +_GL_CXXALIAS_SYS (gai_strerror, const char *, (int ecode)); +# endif +# if __GLIBC__ >= 2 +_GL_CXXALIASWARN (gai_strerror); +# endif + +# if !@HAVE_DECL_GETNAMEINFO@ +/* Convert socket address to printable node and service names. + For more details, see the POSIX:2008 specification + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getnameinfo.html>. */ +_GL_FUNCDECL_SYS (getnameinfo, int, + (const struct sockaddr *restrict sa, socklen_t salen, + char *restrict node, socklen_t nodelen, + char *restrict service, socklen_t servicelen, + int flags) + _GL_ARG_NONNULL ((1))); +# endif +/* Need to cast, because on glibc systems, the seventh parameter is + unsigned int flags. */ +_GL_CXXALIAS_SYS_CAST (getnameinfo, int, + (const struct sockaddr *restrict sa, socklen_t salen, + char *restrict node, socklen_t nodelen, + char *restrict service, socklen_t servicelen, + int flags)); +_GL_CXXALIASWARN (getnameinfo); + +/* Possible flags for getnameinfo. */ +# ifndef NI_NUMERICHOST +# define NI_NUMERICHOST 1 +# endif +# ifndef NI_NUMERICSERV +# define NI_NUMERICSERV 2 +# endif + +#elif defined GNULIB_POSIXCHECK + +# undef getaddrinfo +# if HAVE_RAW_DECL_GETADDRINFO +_GL_WARN_ON_USE (getaddrinfo, "getaddrinfo is unportable - " + "use gnulib module getaddrinfo for portability"); +# endif + +# undef freeaddrinfo +# if HAVE_RAW_DECL_FREEADDRINFO +_GL_WARN_ON_USE (freeaddrinfo, "freeaddrinfo is unportable - " + "use gnulib module getaddrinfo for portability"); +# endif + +# undef gai_strerror +# if HAVE_RAW_DECL_GAI_STRERROR +_GL_WARN_ON_USE (gai_strerror, "gai_strerror is unportable - " + "use gnulib module getaddrinfo for portability"); +# endif + +# undef getnameinfo +# if HAVE_RAW_DECL_GETNAMEINFO +_GL_WARN_ON_USE (getnameinfo, "getnameinfo is unportable - " + "use gnulib module getaddrinfo for portability"); +# endif + +#endif + +#endif /* _@GUARD_PREFIX@_NETDB_H */ +#endif /* _@GUARD_PREFIX@_NETDB_H */ |