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re PR libgcj/11575 ([win32] Problem with RandomAccessFile)

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PR libgcj/11575
	* java/io/natFileDescriptorWin32.cc (open): Set create
	flag to OPEN_AWAYS when READ & WRITE regardless of APPEND flag.
	Honor EXCL when openning with WRITE flag.

From-SVN: r70565
This commit is contained in:
Danny Smith 2003-08-19 11:59:56 +00:00 • committed by Mohan Embar
parent dca5e0e850
commit 3ab37c7de7
2 changed files with 23 additions and 11 deletions
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27
libjava/java/io/natFileDescriptorWin32.cc
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@ -97,21 +97,26 @@ java::io::FileDescriptor::open (jstring path, jint jflags) {
if ((jflags & READ) && (jflags & WRITE))
{
access = GENERIC_READ | GENERIC_WRITE;
if (jflags & APPEND)
if (jflags & EXCL)
create = CREATE_NEW; // this will raise error if file exists.
else
create = OPEN_ALWAYS; // equivalent to O_CREAT
}
else if (jflags & READ)
{
access = GENERIC_READ;
create = OPEN_EXISTING; // ignore EXCL
}
else
{
access = GENERIC_WRITE;
if (jflags & EXCL)
create = CREATE_NEW;
else if (jflags & APPEND)
create = OPEN_ALWAYS;
else
create = CREATE_ALWAYS;
}
else if(jflags & READ)
access = GENERIC_READ;
else
{
access = GENERIC_WRITE;
if (jflags & APPEND)
create = OPEN_ALWAYS;
else
create = CREATE_ALWAYS;
}
handle = CreateFile(buf, access, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, create, 0, NULL);