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windows: fix test causing checkptr failure

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TestNtCreateFileAndNtSetInformationFile is failing checkptr. Fix by
using replacing [:] with [:n:n].

Fixes golang/go#49217

Change-Id: I08e7ed41b33452c096cf40cdbf9d73989b769bdb
Reviewed-on: https://go-review.googlesource.com/c/sys/+/359496
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This commit is contained in:
Hao Mou
2021-10-31 06:41:16 +00:00
committed by Alex Brainman
parent b3129d9d10
commit 611d5d6438
1 changed files with 1 additions and 1 deletions
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windows/syscall_windows_test.go
+1 -1
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@@ -922,7 +922,7 @@ func TestNtCreateFileAndNtSetInformationFile(t *testing.T) {
typedBufferPtr := (*fileRenameInformation)(unsafe.Pointer(&buffer[0])) typedBufferPtr := (*fileRenameInformation)(unsafe.Pointer(&buffer[0]))
typedBufferPtr.ReplaceIfExists = windows.FILE_RENAME_REPLACE_IF_EXISTS | windows.FILE_RENAME_POSIX_SEMANTICS typedBufferPtr.ReplaceIfExists = windows.FILE_RENAME_REPLACE_IF_EXISTS | windows.FILE_RENAME_POSIX_SEMANTICS
typedBufferPtr.FileNameLength = uint32(fileNameLen) typedBufferPtr.FileNameLength = uint32(fileNameLen)
copy((*[1 << 29]uint16)(unsafe.Pointer(&typedBufferPtr.FileName[0]))[:], newNameUTF16) copy((*[windows.MAX_LONG_PATH]uint16)(unsafe.Pointer(&typedBufferPtr.FileName[0]))[:fileNameLen/2:fileNameLen/2], newNameUTF16)
err = windows.NtSetInformationFile(fileHandle, &iosb, &buffer[0], uint32(bufferSize), windows.FileRenameInformation) err = windows.NtSetInformationFile(fileHandle, &iosb, &buffer[0], uint32(bufferSize), windows.FileRenameInformation)
if err != nil { if err != nil {
t.Fatalf("NtSetInformationFile(%v) failed: %v", newPath, err) t.Fatalf("NtSetInformationFile(%v) failed: %v", newPath, err)