73 lines
2.8 KiB
Diff
73 lines
2.8 KiB
Diff
From 480c546fa5d07a92d09fbe669a7a36e718baedca Mon Sep 17 00:00:00 2001
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From: xuwei <xuwei43@huawei.com>
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Date: Fri, 19 Apr 2019 16:15:04 +0000
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Subject: [PATCH] 8202076: test/jdk/java/io/File/WinSpecialFiles.java on windows with VS2017
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Bug url: https://bugs.openjdk.java.net/browse/JDK-8202076
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---
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.../native/java/io/WinNTFileSystem_md.c | 40 +++++++++++++++----
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1 file changed, 33 insertions(+), 7 deletions(-)
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diff --git a/jdk/src/windows/native/java/io/WinNTFileSystem_md.c b/jdk/src/windows/native/java/io/WinNTFileSystem_md.c
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index 4c61fa5817..8c8494743f 100644
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--- a/jdk/src/windows/native/java/io/WinNTFileSystem_md.c
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+++ b/jdk/src/windows/native/java/io/WinNTFileSystem_md.c
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@@ -35,6 +35,8 @@
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#include <direct.h>
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#include <windows.h>
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#include <io.h>
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+#include <limits.h>
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+#include <wchar.h>
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#include "jni.h"
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#include "io_util.h"
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@@ -525,13 +527,37 @@ Java_java_io_WinNTFileSystem_getLength(JNIEnv *env, jobject this, jobject file)
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}
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} else {
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if (GetLastError() == ERROR_SHARING_VIOLATION) {
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- /* The error is "share violation", which means the file/dir
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- must exists. Try _wstati64, we know this at least works
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- for pagefile.sys and hiberfil.sys.
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- */
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- struct _stati64 sb;
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- if (_wstati64(pathbuf, &sb) == 0) {
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- rv = sb.st_size;
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+ // The error is a "share violation", which means the file/dir
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+ // must exist. Try FindFirstFile, we know this at least works
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+ // for pagefile.sys.
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+ WIN32_FIND_DATAW fileData;
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+ HANDLE h = FindFirstFileW(pathbuf, &fileData);
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+ if (h != INVALID_HANDLE_VALUE) {
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+ if ((fileData.dwFileAttributes &
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+ FILE_ATTRIBUTE_REPARSE_POINT) == 0) {
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+ WCHAR backslash = L'\\';
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+ WCHAR *pslash = wcsrchr(pathbuf, backslash);
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+ if (pslash == NULL) {
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+ pslash = pathbuf;
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+ } else {
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+ pslash++;
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+ }
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+ WCHAR *fslash = wcsrchr(fileData.cFileName, backslash);
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+ if (fslash == NULL) {
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+ fslash = fileData.cFileName;
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+ } else {
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+ fslash++;
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+ }
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+ if (wcscmp(pslash, fslash) == 0) {
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+ ULARGE_INTEGER length;
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+ length.LowPart = fileData.nFileSizeLow;
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+ length.HighPart = fileData.nFileSizeHigh;
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+ if (length.QuadPart <= _I64_MAX) {
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+ rv = (jlong)length.QuadPart;
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+ }
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+ }
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+ }
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+ FindClose(h);
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}
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}
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}
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--
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2.19.0
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