diff options
Diffstat (limited to 'src/lib/net/net_darwin.go')
-rw-r--r-- | src/lib/net/net_darwin.go | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/lib/net/net_darwin.go b/src/lib/net/net_darwin.go deleted file mode 100644 index 50e19d614..000000000 --- a/src/lib/net/net_darwin.go +++ /dev/null @@ -1,100 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package net - -import ( - "net"; - "os"; - "syscall"; - "unsafe"; -) - -func v4ToSockaddr(p IP, port int) (sa1 *syscall.Sockaddr, err os.Error) { - p = p.To4(); - if p == nil || port < 0 || port > 0xFFFF { - return nil, os.EINVAL - } - sa := new(syscall.SockaddrInet4); - sa.Len = syscall.SizeofSockaddrInet4; - sa.Family = syscall.AF_INET; - sa.Port[0] = byte(port>>8); - sa.Port[1] = byte(port); - for i := 0; i < IPv4len; i++ { - sa.Addr[i] = p[i] - } - return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil -} - -func v6ToSockaddr(p IP, port int) (sa1 *syscall.Sockaddr, err os.Error) { - p = p.To16(); - if p == nil || port < 0 || port > 0xFFFF { - return nil, os.EINVAL - } - sa := new(syscall.SockaddrInet6); - sa.Len = syscall.SizeofSockaddrInet6; - sa.Family = syscall.AF_INET6; - sa.Port[0] = byte(port>>8); - sa.Port[1] = byte(port); - for i := 0; i < IPv6len; i++ { - sa.Addr[i] = p[i] - } - return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil -} - -func sockaddrToIP(sa1 *syscall.Sockaddr) (p IP, port int, err os.Error) { - switch sa1.Family { - case syscall.AF_INET: - sa := (*syscall.SockaddrInet4)(unsafe.Pointer(sa1)); - a := IP(&sa.Addr).To16(); - if a == nil { - return nil, 0, os.EINVAL - } - return a, int(sa.Port[0])<<8 + int(sa.Port[1]), nil; - case syscall.AF_INET6: - sa := (*syscall.SockaddrInet6)(unsafe.Pointer(sa1)); - a := IP(&sa.Addr).To16(); - if a == nil { - return nil, 0, os.EINVAL - } - return nil, int(sa.Port[0])<<8 + int(sa.Port[1]), nil; - default: - return nil, 0, os.EINVAL - } - return nil, 0, nil // not reached -} - -func listenBacklog() int64 { - return syscall.SOMAXCONN -} - -func unixToSockaddr(name string) (sa1 *syscall.Sockaddr, err os.Error) { - sa := new(syscall.SockaddrUnix); - n := len(name); - if n >= len(sa.Path) || n == 0 { - return nil, os.EINVAL; - } - sa.Len = byte(3 + n); // 2 for Family, Len; 1 for NUL - sa.Family = syscall.AF_UNIX; - for i := 0; i < len(name); i++ { - sa.Path[i] = name[i]; - } - return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil; -} - -func sockaddrToUnix(sa1 *syscall.Sockaddr) (string, os.Error) { - if sa1.Family != syscall.AF_UNIX || sa1.Len < 3 || sa1.Len > syscall.SizeofSockaddrUnix { - return "", os.EINVAL; - } - sa := (*syscall.SockaddrUnix)(unsafe.Pointer(sa1)); - n := int(sa.Len) - 3; // subtract leading Family, Len, terminating NUL - for i := 0; i < n; i++ { - if sa.Path[i] == 0 { - // found early NUL; assume Len is overestimating - n = i; - break; - } - } - return string(sa.Path[0:n]), nil; -} |