/* sockadapt.c
*
* Author: Charles Bailey bailey@genetics.upenn.edu
- * Last Revised: 08-Feb-1995
+ * Last Revised: 29-Jan-1996
*
* This file should contain stubs for any of the TCP/IP functions perl5
* requires which are not supported by your TCP/IP stack. These stubs
* This version is set up for perl5 with socketshr 0.9D TCP/IP support.
*/
-#include "sockadapt.h"
-
-#ifdef __STDC__
-#define STRINGIFY(a) #a /* config-skip */
+#include "EXTERN.h"
+#include "perl.h"
+#if defined(__DECC) && defined(__DECC_VER) && (__DECC_VER >= 50200000)
+# define __sockadapt_my_netent_t __struct_netent_ptr32
+# define __sockadapt_my_addr_t __in_addr_t
+# define __sockadapt_my_name_t const char *
#else
-#define STRINGIFY(a) "a" /* config-skip */
+# define __sockadapt_my_netent_t struct netent *
+# define __sockadapt_my_addr_t long
+# define __sockadapt_my_name_t char *
#endif
-#define FATALSTUB(func) \
- void func() {\
- croak("Function %s not implemented in this version of perl",\
- STRINGIFY(func));\
- }
+__sockadapt_my_netent_t getnetbyaddr( __sockadapt_my_addr_t net, int type) {
+ croak("Function \"getnetbyaddr\" not implemented in this version of perl");
+ return (struct netent *)NULL; /* Avoid MISSINGRETURN warning, not reached */
+}
+__sockadapt_my_netent_t getnetbyname( __sockadapt_my_name_t name) {
+ croak("Function \"getnetbyname\" not implemented in this version of perl");
+ return (struct netent *)NULL; /* Avoid MISSINGRETURN warning, not reached */
+}
+__sockadapt_my_netent_t getnetent() {
+ croak("Function \"getnetent\" not implemented in this version of perl");
+ return (struct netent *)NULL; /* Avoid MISSINGRETURN warning, not reached */
+}
+void setnetent() {
+ croak("Function \"setnetent\" not implemented in this version of perl");
+}
+void endnetent() {
+ croak("Function \"endnetent\" not implemented in this version of perl");
+}
+
+/* Some TCP/IP implementations seem to return success, when getpeername()
+ * is called on a UDP socket, but the port and in_addr are all zeroes.
+ */
-FATALSTUB(endnetent);
-FATALSTUB(getnetbyaddr);
-FATALSTUB(getnetbyname);
-FATALSTUB(getnetent);
-FATALSTUB(setnetent);
+int my_getpeername(int sock, struct sockaddr *addr, int *addrlen) {
+ static char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+ int rslt;
+
+ rslt = si_getpeername(sock, addr, addrlen);
+
+ /* Just pass an error back up the line */
+ if (rslt) return rslt;
+
+ /* If the call succeeded, make sure we don't have a zeroed port/addr */
+ if (addr->sa_family == AF_INET &&
+ !memcmp((char *)addr + sizeof(u_short), nowhere,
+ sizeof(u_short) + sizeof(struct in_addr))) {
+ rslt = -1;
+ SETERRNO(ENOTCONN,SS$_CLEARED);
+ }
+ return rslt;
+}