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ability to map files beyond Integer.MAX_INT

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Maxim.Mossienko
2015-04-24 18:17:28 +02:00
parent 94ce186bff
commit 4f0eebbf3a
1 changed files with 5 additions and 4 deletions
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platform/util/src/com/intellij/util/io/PagedFileStorage.java
+5 -4
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@@ -617,12 +617,13 @@ public class PagedFileStorage implements Forceable {
PagedFileStorage owner = getRegisteredPagedFileStorageByIndex(storageIndex);
assert owner != null: "No storage for index " + storageIndex;
checkThreadAccess(owner.myStorageLockContext);
int off = (key & MAX_PAGES_COUNT) * owner.myPageSize;
if (off > owner.length()) {
throw new IndexOutOfBoundsException("off=" + off + " key.owner.length()=" + owner.length());
long off = (long)(key & MAX_PAGES_COUNT) * owner.myPageSize;
long ownerLength = owner.length();
if (off > ownerLength) {
throw new IndexOutOfBoundsException("off=" + off + " key.owner.length()=" + ownerLength);
}
int min = Math.min((int)(owner.length() - off), owner.myPageSize);
int min = (int)Math.min(ownerLength - off, owner.myPageSize);
ByteBufferWrapper wrapper = ByteBufferWrapper.readWriteDirect(owner.myFile, off, min);
Throwable oome = null;
while (true) {