-/* Provide a arpa/inet header file for systems lacking it (read: MinGW)
- Copyright (C) 2008 Free Software Foundation, Inc.
+/* A GNU-like <arpa/inet.h>.
+
+ Copyright (C) 2005-2006, 2008 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _GL_ARPA_INET_H
-#define _GL_ARPA_INET_H
/* Gnulib's sys/socket.h is responsible for pulling in winsock2.h etc
under MinGW. */
#include <sys/socket.h>
+#if @HAVE_ARPA_INET_H@
+
+/* The include_next requires a split double-inclusion guard. */
+# @INCLUDE_NEXT@ @NEXT_ARPA_INET_H@
+
+#endif
+
+#ifndef _GL_ARPA_INET_H
+#define _GL_ARPA_INET_H
+
#if @GNULIB_INET_NTOP@
-# include <inet_ntop.h>
+# if !@HAVE_DECL_INET_NTOP@
+/* Converts an internet address from internal format to a printable,
+ presentable format.
+ AF is an internet address family, such as AF_INET or AF_INET6.
+ SRC points to a 'struct in_addr' (for AF_INET) or 'struct in6_addr'
+ (for AF_INET6).
+ DST points to a buffer having room for CNT bytes.
+ The printable representation of the address (in numeric form, not
+ surrounded by [...], no reverse DNS is done) is placed in DST, and
+ DST is returned. If an error occurs, the return value is NULL and
+ errno is set. If CNT bytes are not sufficient to hold the result,
+ the return value is NULL and errno is set to ENOSPC. A good value
+ for CNT is 46.
+
+ For more details, see the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/inet_ntop.html>. */
+extern const char *inet_ntop (int af, const void *restrict src,
+ char *restrict dst, socklen_t cnt);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef inet_ntop
-# define inet_ntop(af,src,dst,cnt) \
- (GL_LINK_WARNING ("inet_ntop doesn't exist on mingw - " \
+# define inet_ntop(af,src,dst,cnt) \
+ (GL_LINK_WARNING ("inet_ntop is unportable - " \
"use gnulib module inet_ntop for portability"), \
inet_ntop (af, src, dst, cnt))
#endif
#if @GNULIB_INET_PTON@
-# include <inet_pton.h>
+# if !@HAVE_DECL_INET_PTON@
+extern int inet_pton (int af, const char *restrict src, void *restrict dst);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef inet_pton
-# define inet_pton(af,src,dst) \
- (GL_LINK_WARNING ("inet_pton doesn't exist on mingw - " \
- "use gnulib module inet_pton for portability"), \
+# define inet_pton(af,src,dst) \
+ (GL_LINK_WARNING ("inet_pton is unportable - " \
+ "use gnulib module inet_pton for portability"), \
inet_pton (af, src, dst))
#endif
#endif /* _GL_ARPA_INET_H */
+#endif /* _GL_ARPA_INET_H */