/* Provide a sys/socket header file for systems lacking it (read: MinGW)
and for systems where it is incomplete.
- Copyright (C) 2005-2008 Free Software Foundation, Inc.
+ Copyright (C) 2005-2009 Free Software Foundation, Inc.
Written by Simon Josefsson.
This program is free software; you can redistribute it and/or modify
#if @HAVE_SYS_SOCKET_H@
+# if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
+# endif
/* On many platforms, <sys/socket.h> assumes prior inclusion of
<sys/types.h>. */
#ifndef _GL_SYS_SOCKET_H
#define _GL_SYS_SOCKET_H
+#if !@HAVE_SA_FAMILY_T@
+typedef unsigned short sa_family_t;
+#endif
+
+#if !@HAVE_STRUCT_SOCKADDR_STORAGE@
+# include <alignof.h>
+/* Code taken from glibc sysdeps/unix/sysv/linux/bits/socket.h on
+ 2009-05-08, licensed under LGPLv2.1+, plus portability fixes. */
+# define __ss_aligntype unsigned long int
+# define _SS_SIZE 256
+# define _SS_PADSIZE \
+ (_SS_SIZE - ((sizeof (sa_family_t) >= alignof (__ss_aligntype) \
+ ? sizeof (sa_family_t) \
+ : alignof (__ss_aligntype)) \
+ + sizeof (__ss_aligntype)))
+
+struct sockaddr_storage
+{
+ sa_family_t ss_family; /* Address family, etc. */
+ __ss_aligntype __ss_align; /* Force desired alignment. */
+ char __ss_padding[_SS_PADSIZE];
+};
+#endif
+
#if @HAVE_SYS_SOCKET_H@
/* A platform that has <sys/socket.h>. */
#else
+# ifdef __CYGWIN__
+# error "Cygwin does have a sys/socket.h, doesn't it?!?"
+# endif
+
/* A platform that lacks <sys/socket.h>.
Currently only MinGW is supported. See the gnulib manual regarding
# define SHUT_RDWR SD_BOTH
# endif
-# if defined _WIN32 || defined __WIN32__
-# define ENOTSOCK WSAENOTSOCK
-# define EADDRINUSE WSAEADDRINUSE
-# define ENETRESET WSAENETRESET
-# define ECONNABORTED WSAECONNABORTED
-# define ECONNRESET WSAECONNRESET
-# define ENOTCONN WSAENOTCONN
-# define ESHUTDOWN WSAESHUTDOWN
+/* The definition of GL_LINK_WARNING is copied here. */
+
+# if @HAVE_WINSOCK2_H@
+/* Include headers needed by the emulation code. */
+# include <sys/types.h>
+# include <io.h>
+
+typedef int socklen_t;
+
# endif
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
-# define setsockopt(a,b,c,d,e) rpl_setsockopt(a,b,c,d,e)
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+# if @HAVE_WINSOCK2_H@
+
+/* Re-define FD_ISSET to avoid a WSA call while we are not using
+ network sockets. */
static inline int
-rpl_setsockopt(int socket, int level, int optname, const void *optval,
- socklen_t optlen)
+rpl_fd_isset (SOCKET fd, fd_set * set)
{
- return (setsockopt)(socket, level, optname, optval, optlen);
+ u_int i;
+ if (set == NULL)
+ return 0;
+
+ for (i = 0; i < set->fd_count; i++)
+ if (set->fd_array[i] == fd)
+ return 1;
+
+ return 0;
+}
+
+# undef FD_ISSET
+# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
+
+# endif
+
+/* Wrap everything else to use libc file descriptors for sockets. */
+
+# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# undef close
+# define close close_used_without_including_unistd_h
+# endif
+
+# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# undef gethostname
+# define gethostname gethostname_used_without_including_unistd_h
+# endif
+
+# if @GNULIB_SOCKET@
+# if @HAVE_WINSOCK2_H@
+# undef socket
+# define socket rpl_socket
+extern int rpl_socket (int, int, int protocol);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef socket
+# define socket socket_used_without_requesting_gnulib_module_socket
+# elif defined GNULIB_POSIXCHECK
+# undef socket
+# define socket(d,t,p) \
+ (GL_LINK_WARNING ("socket is not always POSIX compliant - " \
+ "use gnulib module socket for portability"), \
+ socket (d, t, p))
+# endif
+
+# if @GNULIB_CONNECT@
+# if @HAVE_WINSOCK2_H@
+# undef connect
+# define connect rpl_connect
+extern int rpl_connect (int, struct sockaddr *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef connect
+# define connect socket_used_without_requesting_gnulib_module_connect
+# elif defined GNULIB_POSIXCHECK
+# undef connect
+# define connect(s,a,l) \
+ (GL_LINK_WARNING ("connect is not always POSIX compliant - " \
+ "use gnulib module connect for portability"), \
+ connect (s, a, l))
+# endif
+
+# if @GNULIB_ACCEPT@
+# if @HAVE_WINSOCK2_H@
+# undef accept
+# define accept rpl_accept
+extern int rpl_accept (int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef accept
+# define accept accept_used_without_requesting_gnulib_module_accept
+# elif defined GNULIB_POSIXCHECK
+# undef accept
+# define accept(s,a,l) \
+ (GL_LINK_WARNING ("accept is not always POSIX compliant - " \
+ "use gnulib module accept for portability"), \
+ accept (s, a, l))
+# endif
+
+# if @GNULIB_BIND@
+# if @HAVE_WINSOCK2_H@
+# undef bind
+# define bind rpl_bind
+extern int rpl_bind (int, struct sockaddr *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef bind
+# define bind bind_used_without_requesting_gnulib_module_bind
+# elif defined GNULIB_POSIXCHECK
+# undef bind
+# define bind(s,a,l) \
+ (GL_LINK_WARNING ("bind is not always POSIX compliant - " \
+ "use gnulib module bind for portability"), \
+ bind (s, a, l))
+# endif
+
+# if @GNULIB_GETPEERNAME@
+# if @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername rpl_getpeername
+extern int rpl_getpeername (int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername
+# elif defined GNULIB_POSIXCHECK
+# undef getpeername
+# define getpeername(s,a,l) \
+ (GL_LINK_WARNING ("getpeername is not always POSIX compliant - " \
+ "use gnulib module getpeername for portability"), \
+ getpeername (s, a, l))
+# endif
+
+# if @GNULIB_GETSOCKNAME@
+# if @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname rpl_getsockname
+extern int rpl_getsockname (int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname
+# elif defined GNULIB_POSIXCHECK
+# undef getsockname
+# define getsockname(s,a,l) \
+ (GL_LINK_WARNING ("getsockname is not always POSIX compliant - " \
+ "use gnulib module getsockname for portability"), \
+ getsockname (s, a, l))
+# endif
+
+# if @GNULIB_GETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt rpl_getsockopt
+extern int rpl_getsockopt (int, int, int, void *, socklen_t *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt
+# elif defined GNULIB_POSIXCHECK
+# undef getsockopt
+# define getsockopt(s,lvl,o,v,l) \
+ (GL_LINK_WARNING ("getsockopt is not always POSIX compliant - " \
+ "use gnulib module getsockopt for portability"), \
+ getsockopt (s, lvl, o, v, l))
+# endif
+
+# if @GNULIB_LISTEN@
+# if @HAVE_WINSOCK2_H@
+# undef listen
+# define listen rpl_listen
+extern int rpl_listen (int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef listen
+# define listen listen_used_without_requesting_gnulib_module_listen
+# elif defined GNULIB_POSIXCHECK
+# undef listen
+# define listen(s,b) \
+ (GL_LINK_WARNING ("listen is not always POSIX compliant - " \
+ "use gnulib module listen for portability"), \
+ listen (s, b))
+# endif
+
+# if @GNULIB_RECV@
+# if @HAVE_WINSOCK2_H@
+# undef recv
+# define recv rpl_recv
+extern int rpl_recv (int, void *, int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef recv
+# define recv recv_used_without_requesting_gnulib_module_recv
+# elif defined GNULIB_POSIXCHECK
+# undef recv
+# define recv(s,b,n,f) \
+ (GL_LINK_WARNING ("recv is not always POSIX compliant - " \
+ "use gnulib module recv for portability"), \
+ recv (s, b, n, f))
+# endif
+
+# if @GNULIB_SEND@
+# if @HAVE_WINSOCK2_H@
+# undef send
+# define send rpl_send
+extern int rpl_send (int, const void *, int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef send
+# define send send_used_without_requesting_gnulib_module_send
+# elif defined GNULIB_POSIXCHECK
+# undef send
+# define send(s,b,n,f) \
+ (GL_LINK_WARNING ("send is not always POSIX compliant - " \
+ "use gnulib module send for portability"), \
+ send (s, b, n, f))
+# endif
+
+# if @GNULIB_RECVFROM@
+# if @HAVE_WINSOCK2_H@
+# undef recvfrom
+# define recvfrom rpl_recvfrom
+extern int rpl_recvfrom (int, void *, int, int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef recvfrom
+# define recvfrom recvfrom_used_without_requesting_gnulib_module_recvfrom
+# elif defined GNULIB_POSIXCHECK
+# undef recvfrom
+# define recvfrom(s,b,n,f,a,l) \
+ (GL_LINK_WARNING ("recvfrom is not always POSIX compliant - " \
+ "use gnulib module recvfrom for portability"), \
+ recvfrom (s, b, n, f, a, l))
+# endif
+
+# if @GNULIB_SENDTO@
+# if @HAVE_WINSOCK2_H@
+# undef sendto
+# define sendto rpl_sendto
+extern int rpl_sendto (int, const void *, int, int, struct sockaddr *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef sendto
+# define sendto sendto_used_without_requesting_gnulib_module_sendto
+# elif defined GNULIB_POSIXCHECK
+# undef sendto
+# define sendto(s,b,n,f,a,l) \
+ (GL_LINK_WARNING ("sendto is not always POSIX compliant - " \
+ "use gnulib module sendto for portability"), \
+ sendto (s, b, n, f, a, l))
+# endif
+
+# if @GNULIB_SETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# undef setsockopt
+# define setsockopt rpl_setsockopt
+extern int rpl_setsockopt (int, int, int, const void *, socklen_t);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef setsockopt
+# define setsockopt setsockopt_used_without_requesting_gnulib_module_setsockopt
+# elif defined GNULIB_POSIXCHECK
+# undef setsockopt
+# define setsockopt(s,lvl,o,v,l) \
+ (GL_LINK_WARNING ("setsockopt is not always POSIX compliant - " \
+ "use gnulib module setsockopt for portability"), \
+ setsockopt (s, lvl, o, v, l))
+# endif
+
+# if @GNULIB_SHUTDOWN@
+# if @HAVE_WINSOCK2_H@
+# undef shutdown
+# define shutdown rpl_shutdown
+extern int rpl_shutdown (int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef shutdown
+# define shutdown shutdown_used_without_requesting_gnulib_module_shutdown
+# elif defined GNULIB_POSIXCHECK
+# undef shutdown
+# define shutdown(s,h) \
+ (GL_LINK_WARNING ("shutdown is not always POSIX compliant - " \
+ "use gnulib module shutdown for portability"), \
+ shutdown (s, h))
+# endif
+
+# if @HAVE_WINSOCK2_H@
+# undef select
+# define select select_used_without_including_sys_select_h
+# endif
+
+# ifdef __cplusplus
}
# endif
#endif /* HAVE_SYS_SOCKET_H */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if @GNULIB_ACCEPT4@
+/* Accept a connection on a socket, with specific opening flags.
+ The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
+ and O_TEXT, O_BINARY (defined in "binary-io.h").
+ See also the Linux man page at
+ <http://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>. */
+# if @HAVE_ACCEPT4@
+# define accept4 rpl_accept4
+# endif
+extern int accept4 (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags);
+#elif defined GNULIB_POSIXCHECK
+# undef accept4
+# define accept4(s,a,l,f) \
+ (GL_LINK_WARNING ("accept4 is unportable - " \
+ "use gnulib module accept4 for portability"), \
+ accept4 (s, a, l, f))
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* _GL_SYS_SOCKET_H */
#endif /* _GL_SYS_SOCKET_H */
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