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authorValentin Rothberg <rothberg@redhat.com>2019-01-08 14:52:57 +0100
committerValentin Rothberg <rothberg@redhat.com>2019-01-11 13:38:11 +0100
commitbd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87 (patch)
tree5f06e4e289f16d9164d692590a3fe6541b5384cf /vendor/github.com/Microsoft/hcsshim/internal/interop
parent545f24421247c9f6251a634764db3f8f8070a812 (diff)
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vendor: update everything
* If possible, update each dependency to the latest available version. * Use releases over commit IDs and avoid vendoring branches. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/github.com/Microsoft/hcsshim/internal/interop')
-rw-r--r--vendor/github.com/Microsoft/hcsshim/internal/interop/interop.go27
-rw-r--r--vendor/github.com/Microsoft/hcsshim/internal/interop/zsyscall_windows.go48
2 files changed, 75 insertions, 0 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/interop/interop.go b/vendor/github.com/Microsoft/hcsshim/internal/interop/interop.go
new file mode 100644
index 000000000..f10c88d08
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/interop/interop.go
@@ -0,0 +1,27 @@
+package interop
+
+import (
+ "syscall"
+ "unsafe"
+)
+
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go interop.go
+
+//sys coTaskMemFree(buffer unsafe.Pointer) = ole32.CoTaskMemFree
+
+func ConvertAndFreeCoTaskMemString(buffer *uint16) string {
+ str := syscall.UTF16ToString((*[1 << 29]uint16)(unsafe.Pointer(buffer))[:])
+ coTaskMemFree(unsafe.Pointer(buffer))
+ return str
+}
+
+func ConvertAndFreeCoTaskMemBytes(buffer *uint16) []byte {
+ return []byte(ConvertAndFreeCoTaskMemString(buffer))
+}
+
+func Win32FromHresult(hr uintptr) syscall.Errno {
+ if hr&0x1fff0000 == 0x00070000 {
+ return syscall.Errno(hr & 0xffff)
+ }
+ return syscall.Errno(hr)
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/interop/zsyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/internal/interop/zsyscall_windows.go
new file mode 100644
index 000000000..2f5bf8f55
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/interop/zsyscall_windows.go
@@ -0,0 +1,48 @@
+// Code generated by 'go generate'; DO NOT EDIT.
+
+package interop
+
+import (
+ "syscall"
+ "unsafe"
+
+ "golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+ errnoERROR_IO_PENDING = 997
+)
+
+var (
+ errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+ switch e {
+ case 0:
+ return nil
+ case errnoERROR_IO_PENDING:
+ return errERROR_IO_PENDING
+ }
+ // TODO: add more here, after collecting data on the common
+ // error values see on Windows. (perhaps when running
+ // all.bat?)
+ return e
+}
+
+var (
+ modole32 = windows.NewLazySystemDLL("ole32.dll")
+
+ procCoTaskMemFree = modole32.NewProc("CoTaskMemFree")
+)
+
+func coTaskMemFree(buffer unsafe.Pointer) {
+ syscall.Syscall(procCoTaskMemFree.Addr(), 1, uintptr(buffer), 0, 0)
+ return
+}