Update to current version of Go library.

From-SVN: r173931

2 files changed, 22 insertions, 0 deletions

diff --git a/libgo/syscalls/stringbyte.go b/libgo/syscalls/stringbyte.go
index b673c9b..1761953 100644
--- a/libgo/syscalls/stringbyte.go
+++ b/libgo/syscalls/stringbyte.go
@@ -6,6 +6,8 @@
 
 package syscall
 
+import "unsafe"
+
 // StringByteSlice returns a NUL-terminated slice of bytes
 // containing the text of s.
 func StringByteSlice(s string) []byte {
@@ -22,3 +24,14 @@ func StringBytePtr(s string) *byte {
 	p := StringByteSlice(s);
 	return &p[0];
 }
+
+// BytePtrToString takes a NUL-terminated array of bytes and convert
+// it to a Go string.
+func BytePtrToString(p *byte) string {
+	a := (*[10000]byte)(unsafe.Pointer(p))
+	i := 0
+	for a[i] != 0 {
+		i++
+	}
+	return string(a[:i])
+}
diff --git a/libgo/syscalls/syscall_unix.go b/libgo/syscalls/syscall_unix.go
index b5a660e..e633ea1 100644
--- a/libgo/syscalls/syscall_unix.go
+++ b/libgo/syscalls/syscall_unix.go
@@ -56,3 +56,12 @@ func munmap(addr uintptr, length uintptr) (errno int) {
 	}
 	return
 }
+
+func libc_getrusage(who int, rusage *Rusage) int __asm__ ("getrusage")
+
+func Getrusage(who int, rusage *Rusage) (errno int) {
+	if libc_getrusage(who, rusage) < 0 {
+		errno = GetErrno()
+	}
+	return
+}