os,time: fix Plan 9 build

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5689043

src/pkg/os/file.go

@@ -72,6 +72,19 @@ const (
 	SEEK_END int = 2 // seek relative to the end
 )
 
+// LinkError records an error during a link or symlink or rename
+// system call and the paths that caused it.
+type LinkError struct {
+	Op  string
+	Old string
+	New string
+	Err error
+}
+
+func (e *LinkError) Error() string {
+	return e.Op + " " + e.Old + " " + e.New + ": " + e.Err.Error()
+}
+
 // Read reads up to len(b) bytes from the File.
 // It returns the number of bytes read and an error, if any.
 // EOF is signaled by a zero count with err set to io.EOF.

src/pkg/os/file_posix.go

@@ -24,19 +24,6 @@ func epipecheck(file *File, e error) {
 	}
 }
 
-// LinkError records an error during a link or symlink or rename
-// system call and the paths that caused it.
-type LinkError struct {
-	Op  string
-	Old string
-	New string
-	Err error
-}
-
-func (e *LinkError) Error() string {
-	return e.Op + " " + e.Old + " " + e.New + ": " + e.Err.Error()
-}
-
 // Link creates newname as a hard link to the oldname file.
 // If there is an error, it will be of type *LinkError.
 func Link(oldname, newname string) error {

src/pkg/time/sys_plan9.go

@@ -43,7 +43,7 @@ func readFile(name string) ([]byte, error) {
 }
 
 func open(name string) (uintptr, error) {
-	fd, err := syscall.Open(name, syscall.O_RDONLY, 0)
+	fd, err := syscall.Open(name, syscall.O_RDONLY)
 	if err != nil {
 		return 0, err
 	}
@@ -72,4 +72,5 @@ func preadn(fd uintptr, buf []byte, off int) error {
 		}
 		buf = buf[m:]
 	}
+	return nil
 }

src/pkg/time/zoneinfo_plan9.go

@@ -8,11 +8,10 @@ package time
 
 import (
 	"errors"
+	"runtime"
 	"syscall"
 )
 
-var badData = errors.New("malformed time zone information")
-
 func isSpace(r rune) bool {
 	return r == ' ' || r == '\t' || r == '\n'
 }
@@ -149,7 +148,7 @@ func initLocal() {
 }
 
 func loadLocation(name string) (*Location, error) {
-	if z, err := loadZoneFile(runtime.GOROOT() + "/lib/time/zoneinfo/" + name); err == nil {
+	if z, err := loadZoneFile(runtime.GOROOT()+"/lib/time/zoneinfo.zip", name); err == nil {
 		z.name = name
 		return z, nil
 	}