unix: add missing dirent* helper functions on aix
These are needed by ParseDirent and were missing in CL 183897.
Change-Id: I5b340fea9c0dc1b65b717b0d3cfd8cbb40d3cae9
Reviewed-on: https://go-review.googlesource.com/c/sys/+/183997
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/syscall_aix.go b/unix/syscall_aix.go
index a079243..1aa065f 100644
--- a/unix/syscall_aix.go
+++ b/unix/syscall_aix.go
@@ -280,6 +280,22 @@
return -1, ENOSYS
}
+func direntIno(buf []byte) (uint64, bool) {
+ return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+ return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+ reclen, ok := direntReclen(buf)
+ if !ok {
+ return 0, false
+ }
+ return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
+}
+
//sys getdirent(fd int, buf []byte) (n int, err error)
func Getdents(fd int, buf []byte) (n int, err error) {
return getdirent(fd, buf)
