move static constants out of ip6.h.

ip6.h

@@ -17,12 +17,12 @@ extern unsigned int ip6_fmt_flat(char *dest,const char *);
 
 #define IP6_FMT 40
 
-static const unsigned char V4mappedprefix[12]={0,0,0,0,0,0,0,0,0,0,0xff,0xff};
+extern const unsigned char V4mappedprefix[12]; /*={0,0,0,0,0,0,0,0,0,0,0xff,0xff}; */
-static const unsigned char V6loopback[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1};
+extern const unsigned char V6loopback[16]; /*={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; */
-static const unsigned char V6any[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+extern const unsigned char V6any[16]; /*={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; */
 
 #define ip6_isv4mapped(ip) (byte_equal(ip,12,V4mappedprefix))
 
-static const char ip4loopback[4] = {127,0,0,1};
+extern const char ip4loopback[4]; /* = {127,0,0,1};*/
 
 #endif

socket.h

@@ -12,13 +12,13 @@ extern int socket_udp6(void);
 #define socket_tcp() socket_tcp4()
 #define socket_udp() socket_udp4()
 
-extern int socket_connect4(int s,const char *ip,uint16);
+extern int socket_connect4(int s,const char *ip,uint16 port);
-extern int socket_connect6(int s,const char *ip,uint16,uint32 scope_id);
+extern int socket_connect6(int s,const char *ip,uint16 port,uint32 scope_id);
 extern int socket_connected(int s);
-extern int socket_bind4(int s,const char *ip,uint16);
+extern int socket_bind4(int s,const char *ip,uint16 port);
-extern int socket_bind4_reuse(int s,const char *ip,uint16);
+extern int socket_bind4_reuse(int s,const char *ip,uint16 port);
-extern int socket_bind6(int s,const char *ip,uint16,uint32 scope_id);
+extern int socket_bind6(int s,const char *ip,uint16 port,uint32 scope_id);
-extern int socket_bind6_reuse(int s,const char *ip,uint16,uint32 scope_id);
+extern int socket_bind6_reuse(int s,const char *ip,uint16 port,uint32 scope_id);
 extern int socket_listen(int s,unsigned int backlog);
 extern int socket_accept4(int s,char *ip,uint16 *);
 extern int socket_accept6(int s,char *ip,uint16 *,uint32 *scope_id);
@@ -35,7 +35,7 @@ extern int socket_remote6(int s,char *ip,uint16 *port,uint32 *scope_id);
 extern int socket_broadcast(int s);
 /* join a multicast group on the given interface */
 extern int socket_mcjoin4(int s,const char *groupip,const char *interface);
-extern int socket_mcjoin6(int s,const char *groupip,int);
+extern int socket_mcjoin6(int s,const char *groupip,int interface);
 /* leave a multicast group on the given interface */
 extern int socket_mcleave4(int s,const char *groupip);
 extern int socket_mcleave6(int s,const char *groupip);

socket/socket_bind4.c

@@ -0,0 +1,15 @@
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "byte.h"
+#include "uint16.h"
+#include "uint32.h"
+#include "socket.h"
+
+int socket_bind4(int s,const char *ip,uint16 port) {
+  struct sockaddr_in si;
+  byte_zero(&si,sizeof si);
+  si.sin_family = AF_INET;
+  uint16_pack_big((char*) &si.sin_port,port);
+  *(uint32*)&si.sin_addr = *(uint32*)ip;
+  return bind(s,(struct sockaddr*)&si,sizeof si);
+}

socket/socket_bind6.c

@@ -0,0 +1,33 @@
+#include <errno.h>
+#include "ip6.h"
+#include "byte.h"
+#include "socket.h"
+
+int socket_bind6(int s,const char ip[16],uint16 port,uint32 scope_id)
+{
+#ifdef LIBC_HAS_IP6
+  struct sockaddr_in6 sa;
+
+  if (noipv6) {
+#endif
+    int i;
+    for (i=0; i<16; i++)
+      if (ip[i]!=0) break;
+    if (i==16 || ip6_isv4mapped(ip))
+      return socket_bind4(s,ip+12,port);
+#ifdef LIBC_HAS_IP6
+  }
+  byte_zero(&sa,sizeof sa);
+  sa.sin6_family = AF_INET6;
+  uint16_pack_big((char *) &sa.sin6_port,port);
+/*  implicit: sa.sin6_flowinfo = 0; */
+  byte_copy((char *) &sa.sin6_addr,16,ip);
+  sa.sin6_scope_id=scope_id;
+
+  return bind(s,(struct sockaddr *) &sa,sizeof sa);
+#else
+  errno=EPROTO;
+  return -1;
+#endif
+}
+

socket/socket_connected.c

@@ -0,0 +1,11 @@
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "socket.h"
+
+int socket_connected(int s) {
+  struct sockaddr si;
+  socklen_t sl=sizeof si;
+  if (getpeername(s,&si,&sl))
+    return 0;
+  return 1;
+}

socket/socket_ip4loopback.c

@@ -0,0 +1,2 @@
+
+const char ip4loopback[4] = {127,0,0,1};

socket/socket_v4mappedprefix.c

@@ -0,0 +1,2 @@
+
+const unsigned char V4mappedprefix[12]={0,0,0,0,0,0,0,0,0,0,0xff,0xff};

socket/socket_v6any.c

@@ -0,0 +1,2 @@
+
+const unsigned char V6any[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

socket/socket_v6loopback.c

@@ -0,0 +1,2 @@
+
+const unsigned char V6loopback[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1};