d3fault 1a4cc8d57b Add QIODevice::NewOnly and QIODevice::ExistingOnly OpenMode flags ... When QFile::open is called with the NewOnly flag, the call will fail if the file already exists. As usual, if the file does not exist, it will be created. Like QTemporaryFile, there is a guarantee from the operating system that you are not accidentally creating a new file on top of an older file. When QFile::open is called with the ExistingOnly flag, the call will fail if the file does not exist. The ExistingOnly flag only provides new functionality when used with the WriteOnly flag. For ReadOnly it provides no change in functionality, as ReadOnly by itself already never creates. Task-number: QTBUG-52244 Change-Id: I8e3206728f245f95172c225bf297023fb078fc6d Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>		2018-01-17 04:32:47 +00:00
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qplatformdefs.h	Add QIODevice::NewOnly and QIODevice::ExistingOnly OpenMode flags	2018-01-17 04:32:47 +00:00