Force RVALUE macros when in PERL_DEBUG_COW

[p5sagit/p5-mst-13.2.git] / vms / sockadapt.h

diff --git a/vms/sockadapt.h b/vms/sockadapt.h
index 0d56285..97a49f8 100644 (file)
--- a/vms/sockadapt.h
+++ b/vms/sockadapt.h
@@ -1,8 +1,8 @@
 /*  sockadapt.h
  *
- *  Authors: Charles Bailey  bailey@genetics.upenn.edu
+ *  Authors: Charles Bailey  bailey@newman.upenn.edu
  *           David Denholm  denholm@conmat.phys.soton.ac.uk
- *  Last Revised: 24-Feb-1995
+ *  Last Revised:  4-Mar-1997
  *
  *  This file should include any other header files and procide any
  *  declarations, typedefs, and prototypes needed by perl for TCP/IP
@@ -11,7 +11,42 @@
  *  This version is set up for perl5 with socketshr 0.9D TCP/IP support.
  */
 
-#include <socketshr.h>
+#ifndef __SOCKADAPT_INCLUDED
+#define __SOCKADAPT_INCLUDED 1
+
+#if defined(DECCRTL_SOCKETS)
+    /* Use builtin socket interface in DECCRTL and
+     * UCX emulation in whatever TCP/IP stack is present.
+     * Provide prototypes for missing routines; stubs are
+     * in sockadapt.c.
+     */
+#  include <socket.h>
+#  include <inet.h>
+#  include <in.h>
+#  include <netdb.h>
+#if ((__VMS_VER >= 70000000) && (__DECC_VER >= 50200000)) || (__CRTL_VER >= 70000000)
+#else
+   void sethostent(int);
+   void endhostent(void);
+   void setnetent(int);
+   void endnetent(void);
+   void setprotoent(int);
+   void endprotoent(void);
+   void setservent(int);
+   void endservent(void);
+#endif
+#  if defined(__DECC) && defined(__DECC_VER) && (__DECC_VER >= 50200000) && !defined(Sock_size_t)
+#    define Sock_size_t unsigned int
+#  endif
+
+#else
+    /* Pull in SOCKETSHR's header, and set up structures for
+     * gcc, whose basic header file set doesn't include the
+     * TCP/IP stuff.
+     */
+
+
+#ifdef __GNU_CC__
 
 /* we may not have netdb.h etc, so lets just do this here  - div */
 /* no harm doing this for all .c files - needed only by pp_sys.c */
@@ -50,6 +85,16 @@ struct       sockaddr {
     char       sa_data[14];            /* up to 14 bytes of direct address */
 };
 
+/*
+ * Socket address, internet style.
+ */
+struct sockaddr_in {
+       short   sin_family;
+       unsigned short  sin_port;
+       struct  in_addr sin_addr;
+       char    sin_zero[8];
+};
+
 struct timeval {
     long tv_sec;
     long tv_usec;
@@ -61,3 +106,83 @@ struct netent {
        int n_addrtype;
        long n_net;
 };
+
+/* Since socketshr.h won't declare function prototypes unless it thinks
+ * the system headers have already been included, we convince it that
+ * this is the case.
+ */
+
+#ifndef AF_INET
+#  define AF_INET 2
+#endif
+#ifndef IPPROTO_TCP
+#  define IPPROTO_TCP 6
+#endif
+#ifndef __INET_LOADED
+#  define __INET_LOADED
+#endif
+#ifndef __NETDB_LOADED
+#  define __NETDB_LOADED
+#endif
+
+/* Finally, we provide prototypes for routines not supported by SocketShr,
+ * so that the stubs in sockadapt.c won't cause complaints about
+ * undeclared routines.
+ */
+
+struct netent *getnetbyaddr( long net, int type);
+struct netent *getnetbyname( char *name);
+struct netent *getnetent();
+void setnetent(int);
+void endnetent();
+
+#else /* !__GNU_CC__ */
+
+/* DECC and VAXC have socket headers in the system set; they're for UCX, but
+ * we'll assume that the actual calling sequence is identical across the
+ * various TCP/IP stacks; these routines are pretty standard.
+ */
+#include <socket.h>
+#include <in.h>
+#include <inet.h>
+
+/* SocketShr doesn't support these routines, but the DECC RTL contains
+ * stubs with these names, designed to be used with the UCX socket
+ * library.  We avoid linker collisions by substituting new names.
+ */
+#define getnetbyaddr no_getnetbyaddr
+#define getnetbyname no_getnetbyname
+#define getnetent    no_getnetent
+#define setnetent    no_setnetent
+#define endnetent    no_endnetent
+
+#include <netdb.h>
+#endif
+
+/* We don't have these two in the system headers. */
+void setnetent(int);
+void endnetent();
+
+#include <socketshr.h>
+/* socketshr.h from SocketShr 0.9D doesn't alias fileno; its comments say
+ * that the CRTL version works OK.  This isn't the case, at least with
+ * VAXC, so we use the SocketShr version.
+ * N.B. This means that sockadapt.h must be included *after* stdio.h.
+ *      This is presently the case for Perl.
+ */
+#ifdef fileno
+#  undef fileno
+#endif
+#define fileno si_fileno
+int si_fileno(FILE *);
+
+
+/* Catch erroneous results for UDP sockets -- see sockadapt.c */
+#ifdef getpeername
+#  undef getpeername
+#endif
+#define getpeername my_getpeername
+int my_getpeername (int, struct sockaddr *, int *);
+
+#endif /* SOCKETSHR stuff */
+#endif /* include guard */