Copy --version support from gnulib-tool to posix-modules.

[gnulib.git] / lib / sys_socket.in.h

diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h
index c25b6ab..c7cd57f 100644 (file)
--- a/lib/sys_socket.in.h
+++ b/lib/sys_socket.in.h
@@ -1,5 +1,6 @@
-/* Provide a sys/socket header file for systems lacking it (read: MinGW).
-   Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+/* 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.
    Written by Simon Josefsson.
 
    This program is free software; you can redistribute it and/or modify
@@ -16,8 +17,9 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-/* This file is supposed to be used on platforms that lack <sys/socket.h>
-   and on platforms where <sys/socket.h> cannot be included standalone.
+/* This file is supposed to be used on platforms that lack <sys/socket.h>,
+   on platforms where <sys/socket.h> cannot be included standalone, and on
+   platforms where <sys/socket.h> does not provide all necessary definitions.
    It is intended to provide definitions and prototypes needed by an
    application.  */
 
@@ -25,6 +27,8 @@
 
 #if @HAVE_SYS_SOCKET_H@
 
+@PRAGMA_SYSTEM_HEADER@
+
 /* On many platforms, <sys/socket.h> assumes prior inclusion of
    <sys/types.h>.  */
 # include <sys/types.h>
@@ -37,7 +41,26 @@
 #ifndef _GL_SYS_SOCKET_H
 #define _GL_SYS_SOCKET_H
 
-#if !@HAVE_SYS_SOCKET_H@
+#if @HAVE_SYS_SOCKET_H@
+
+/* A platform that has <sys/socket.h>.  */
+
+/* For shutdown().  */
+# if !defined SHUT_RD
+#  define SHUT_RD 0
+# endif
+# if !defined SHUT_WR
+#  define SHUT_WR 1
+# endif
+# if !defined SHUT_RDWR
+#  define SHUT_RDWR 2
+# endif
+
+#else
+
+# ifdef __CYGWIN__
+#  error "Cygwin does have a sys/socket.h, doesn't it?!?"
+# endif
 
 /* A platform that lacks <sys/socket.h>.
 
@@ -75,15 +98,84 @@
 #  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
-# endif
+# if @HAVE_WINSOCK2_H@
+/* Include headers needed by the emulation code.  */
+#  include <sys/types.h>
+#  include <io.h>
+
+typedef int socklen_t;
+
+/* Re-define FD_ISSET to avoid a WSA call while we are not using 
+   network sockets.  */
+static inline int
+rpl_fd_isset (int fd, fd_set * set)
+{
+  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)
+
+/* Wrap everything else to use libc file descriptors for sockets.  */
+
+#  undef close
+#  define close                        rpl_close
+#  undef socket
+#  define socket               rpl_socket
+#  undef connect
+#  define connect              rpl_connect
+#  undef accept
+#  define accept               rpl_accept
+#  undef bind
+#  define bind                 rpl_bind
+#  undef getpeername
+#  define getpeername          rpl_getpeername
+#  undef getsockname
+#  define getsockname          rpl_getsockname
+#  undef getsockopt
+#  define getsockopt           rpl_getsockopt
+#  undef listen
+#  define listen               rpl_listen
+#  undef ioctl
+#  define ioctl                        rpl_ioctl
+#  undef recv
+#  define recv                 rpl_recv
+#  undef send
+#  define send                 rpl_send
+#  undef recvfrom
+#  define recvfrom             rpl_recvfrom
+#  undef sendto
+#  define sendto               rpl_sendto
+#  undef setsockopt
+#  define setsockopt           rpl_setsockopt
+#  undef select
+#  define select               select_used_without_including_sys_select_h
+
+extern int rpl_close(int);
+extern int rpl_socket (int, int, int protocol);
+extern int rpl_connect (int, struct sockaddr *, int);
+extern int rpl_accept (int, struct sockaddr *, int *);
+extern int rpl_bind (int, struct sockaddr *, int);
+extern int rpl_getpeername (int, struct sockaddr *, int *);
+extern int rpl_getsockname (int, struct sockaddr *, int *);
+extern int rpl_getsockopt (int, int, int, void *, int *);
+extern int rpl_listen (int, int);
+extern int rpl_ioctl (int, unsigned long, char *);
+extern int rpl_recv (int, void *, int, int);
+extern int rpl_send (int, const void *, int, int);
+extern int rpl_recvfrom (int, void *, int, int, struct sockaddr *, int *);
+extern int rpl_sendto (int, const void *, int, int, struct sockaddr *, int);
+extern int rpl_setsockopt (int, int, int, const void *, int);
+
+# endif /* HAVE_WINSOCK2_H */
 
 #endif /* HAVE_SYS_SOCKET_H */