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Diffstat (limited to 'socket_bind6.c')
-rw-r--r--socket_bind6.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/socket_bind6.c b/socket_bind6.c
new file mode 100644
index 0000000..20b22b8
--- /dev/null
+++ b/socket_bind6.c
@@ -0,0 +1,43 @@
+#include <sys/param.h>
+#include "sockaddr_in6.h"
+#include "byte.h"
+#include "socket.h"
+#include "ip6.h"
+#include "haveip6.h"
+#include "error.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=error_proto;
+ return -1;
+#endif
+}
+
+int socket_bind6_reuse(int s,const char ip[16],uint16 port,uint32 scope_id)
+{
+ int opt = 1;
+ setsockopt(s,SOL_SOCKET,SO_REUSEADDR,&opt,sizeof opt);
+ return socket_bind6(s,ip,port,scope_id);
+}
+