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unix: add missing dirent* helper functions on aix

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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>
This commit is contained in:
Tobias Klauser
2019-06-26 23:29:17 +02:00
committed by Tobias Klauser
parent e07cf5db27
commit 04f50cda93
1 changed files with 16 additions and 0 deletions
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16
unix/syscall_aix.go
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@@ -280,6 +280,22 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
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)