First pass at reading directories.

Syscall support.
Readdirnames returns array of strings of contents of directory.

R=rsc
DELTA=216  (201 added, 0 deleted, 15 changed)
OCL=24642
CL=24655

1 files changed, 10 insertions, 0 deletions

diff --git a/src/lib/syscall/file_linux.go b/src/lib/syscall/file_linux.go
index 52c1e9040..ceb0a85d7 100644
--- a/src/lib/syscall/file_linux.go
+++ b/src/lib/syscall/file_linux.go
@@ -40,6 +40,11 @@ func Write(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
 	return r1, err;
 }
 
+func Seek(fd int64, offset int64, whence int64) (ret int64, errno int64) {
+	r1, r2, err := Syscall(SYS_LSEEK, fd, offset, whence);
+	return r1, err;
+}
+
 func Pipe(fds *[2]int64) (ret int64, errno int64) {
 	var t [2] int32;
 	r1, r2, err := Syscall(SYS_PIPE, int64(uintptr(unsafe.Pointer(&t[0]))), 0, 0);
@@ -90,3 +95,8 @@ func Dup2(fd1, fd2 int64) (ret int64, errno int64) {
 	return r1, err;
 }
 
+func Getdents(fd int64, buf *Dirent, nbytes int64) (ret int64, errno int64) {
+	r1, r2, err := Syscall(SYS_GETDENTS64, fd, int64(uintptr(unsafe.Pointer(buf))), nbytes);
+	return r1, err;
+}
+