/* Provide a netdb.h header file for systems lacking it (read: MinGW).
- Copyright (C) 2008-2010 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
#ifndef _GL_NETDB_H
-#if @HAVE_NETDB_H@
-
-# if __GNUC__ >= 3
+#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
-# endif
+#endif
+@PRAGMA_COLUMNS@
+
+#if @HAVE_NETDB_H@
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_NETDB_H@
#ifndef _GL_NETDB_H
#define _GL_NETDB_H
-/* Get netdb.h definitions such as struct hostent for MinGW. */
+/* 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 !@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
{
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. */
# endif
# ifndef AI_ADDRCONFIG
# define AI_ADDRCONFIG 0 /* 0x0020: Use configuration of this host to choose
- returned address type.. */
+ returned address type. */
# endif
/* Error values for `getaddrinfo' function. */
socket addresses.
For more details, see the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
-extern int getaddrinfo (const char *restrict nodename,
- const char *restrict servname,
- const struct addrinfo *restrict hints,
- struct addrinfo **restrict res)
- _GL_ARG_NONNULL ((4));
+_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
<http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
-extern void freeaddrinfo (struct addrinfo *ai) _GL_ARG_NONNULL ((1));
+_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 !@HAVE_DECL_GAI_STRERROR@
+# 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
<http://www.opengroup.org/susv3xsh/gai_strerror.html>. */
-extern const char *gai_strerror (int ecode);
+_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
<http://www.opengroup.org/susv3xsh/getnameinfo.html>. */
-extern int getnameinfo(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));
+_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_NUMERICSERV 2
# endif
-#endif /* @GNULIB_GETADDRINFO@ */
+#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 */