X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fnetdb.in.h;h=1de15469135168ca97f3501ecdcb5e05163f2f13;hb=368777cd04f76f7a3b242006fdf6c1e6b77381de;hp=9a637f28f432fc013167f1b5e4f26918cfb27193;hpb=3cdd75d6d78830ecc5633df781baaf2be2c4a7e9;p=gnulib.git diff --git a/lib/netdb.in.h b/lib/netdb.in.h index 9a637f28f..1de154691 100644 --- a/lib/netdb.in.h +++ b/lib/netdb.in.h @@ -1,5 +1,5 @@ /* Provide a netdb.h header file for systems lacking it (read: MinGW). - Copyright (C) 2008 Free Software Foundation, Inc. + Copyright (C) 2008-2011 Free Software Foundation, Inc. Written by Simon Josefsson. This program is free software; you can redistribute it and/or modify @@ -20,32 +20,247 @@ It is intended to provide definitions and prototypes needed by an application. */ -#ifndef _GL_NETDB_H - -#if @HAVE_NETDB_H@ +#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 _GL_NETDB_H -#define _GL_NETDB_H +#ifndef _@GUARD_PREFIX@_NETDB_H +#define _@GUARD_PREFIX@_NETDB_H -#if @HAVE_NETDB_H@ +/* Get definitions such as 'socklen_t' on IRIX 6.5 and OSF/1 4.0 and + 'struct hostent' on MinGW. */ +#include -/* Declarations for a platform that has . */ +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ -#else +/* The definition of _GL_ARG_NONNULL is copied here. */ -/* Get netdb.h definitions such as struct hostent for MinGW. */ -#include +/* The definition of _GL_WARN_ON_USE is copied here. */ + +/* Declarations for a platform that lacks , 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 -/* Declarations for a platform that lacks . */ +/* 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 -#endif /* HAVE_NETDB_H */ +/* 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 + +# if !@HAVE_DECL_GETADDRINFO@ +/* Translate name of a service location and/or a service name to set of + socket addresses. + For more details, see the POSIX:2001 specification + . */ +_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)); +_GL_CXXALIASWARN (getaddrinfo); + +# if !@HAVE_DECL_FREEADDRINFO@ +/* Free `addrinfo' structure AI including associated storage. + For more details, see the POSIX:2001 specification + . */ +_GL_FUNCDECL_SYS (freeaddrinfo, void, (struct addrinfo *ai) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (freeaddrinfo, void, (struct addrinfo *ai)); +_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:2001 specification + . */ +_GL_FUNCDECL_SYS (gai_strerror, const char *, (int ecode)); +# endif +_GL_CXXALIAS_SYS (gai_strerror, const char *, (int ecode)); +# endif +_GL_CXXALIASWARN (gai_strerror); + +# if !@HAVE_DECL_GETNAMEINFO@ +/* Convert socket address to printable node and service names. + For more details, see the POSIX:2001 specification + . */ +_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 /* _GL_NETDB_H */ -#endif /* _GL_NETDB_H */ +#endif /* _@GUARD_PREFIX@_NETDB_H */ +#endif /* _@GUARD_PREFIX@_NETDB_H */