os: Fix fileInfoFromStat for Solaris.

From Rainer Orth.

From-SVN: r182402

libgo/Makefile.am

@@ -763,6 +763,12 @@ endif
 endif
 endif
 
+if LIBGO_IS_SOLARIS
+go_os_stat_file = go/os/stat_solaris.go
+else
+go_os_stat_file = go/os/stat.go
+endif
+
 go_os_files = \
 	$(go_os_dir_file) \
 	go/os/dir.go \
@@ -779,7 +785,7 @@ go_os_files = \
 	go/os/path.go \
 	go/os/path_unix.go \
 	go/os/proc.go \
-	go/os/stat.go \
+	$(go_os_stat_file) \
 	go/os/str.go \
 	$(go_os_sys_file) \
 	go/os/time.go \

libgo/Makefile.in

@@ -1096,6 +1096,8 @@ go_net_files = \
 @LIBGO_IS_IRIX_TRUE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_os_sys_file = go/os/sys_uname.go
 @LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@go_os_sys_file = go/os/sys_uname.go
 @LIBGO_IS_LINUX_TRUE@go_os_sys_file = go/os/sys_linux.go
+@LIBGO_IS_SOLARIS_FALSE@go_os_stat_file = go/os/stat.go
+@LIBGO_IS_SOLARIS_TRUE@go_os_stat_file = go/os/stat_solaris.go
 go_os_files = \
 	$(go_os_dir_file) \
 	go/os/dir.go \
@@ -1112,7 +1114,7 @@ go_os_files = \
 	go/os/path.go \
 	go/os/path_unix.go \
 	go/os/proc.go \
-	go/os/stat.go \
+	$(go_os_stat_file) \
 	go/os/str.go \
 	$(go_os_sys_file) \
 	go/os/time.go \

libgo/go/os/stat_solaris.go

@@ -0,0 +1,56 @@
+// Copyright 2011 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 os
+
+import (
+	"syscall"
+	"time"
+)
+
+func sameFile(fs1, fs2 *FileStat) bool {
+	sys1 := fs1.Sys.(*syscall.Stat_t)
+	sys2 := fs2.Sys.(*syscall.Stat_t)
+	return sys1.Dev == sys2.Dev && sys1.Ino == sys2.Ino
+}
+
+func fileInfoFromStat(st *syscall.Stat_t, name string) FileInfo {
+	fs := &FileStat{
+		name:    basename(name),
+		size:    int64(st.Size),
+		modTime: timestrucToTime(st.Mtime),
+		Sys:     st,
+	}
+	fs.mode = FileMode(st.Mode & 0777)
+	switch st.Mode & syscall.S_IFMT {
+	case syscall.S_IFBLK, syscall.S_IFCHR:
+		fs.mode |= ModeDevice
+	case syscall.S_IFDIR:
+		fs.mode |= ModeDir
+	case syscall.S_IFIFO:
+		fs.mode |= ModeNamedPipe
+	case syscall.S_IFLNK:
+		fs.mode |= ModeSymlink
+	case syscall.S_IFREG:
+		// nothing to do
+	case syscall.S_IFSOCK:
+		fs.mode |= ModeSocket
+	}
+	if st.Mode&syscall.S_ISGID != 0 {
+		fs.mode |= ModeSetgid
+	}
+	if st.Mode&syscall.S_ISUID != 0 {
+		fs.mode |= ModeSetuid
+	}
+	return fs
+}
+
+func timestrucToTime(ts syscall.Timestruc) time.Time {
+	return time.Unix(int64(ts.Sec), int64(ts.Nsec))
+}
+
+// For testing.
+func atime(fi FileInfo) time.Time {
+	return timestrucToTime(fi.(*FileStat).Sys.(*syscall.Stat_t).Atime)
+}