PRB: OpenFile API returns ERROR_BUFFER_OVERFLOW Error

ID: Q137233

The information in this article applies to:

Microsoft Win32 Software Development Kit (SDK), version 4.0

SYMPTOMS

If the OpenFile API is passed a path that is longer than MAXPATHNAME, OpenFile returns ERROR_BUFFER_OVERFLOW.

One of the parameters to OpenFile is a pointer to the pathname to open. Another parameter is a pointer to an OFSTRUCT structure that will receive information. OFSTRUCT contains a fixed size buffer, szPathName that holds MAXPATHNAME bytes. A path longer than that is not valid.

RESOLUTION

Consider using CreateFile instead of OpenFile.

STATUS

This behavior is by design.

Additional query words: 4.00 Windows 95 win95fest


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Last Reviewed: March 3, 1999