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### 65. Underspecification of strstreambuf::seekoff

Section: D.12.2.4 [depr.strstreambuf.virtuals] Status: NAD Submitter: Matt Austern Opened: 1998-08-18 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

The standard says how this member function affects the current stream position. (`gptr` or `pptr`) However, it does not say how this member function affects the beginning and end of the get/put area.

This is an issue when seekoff is used to position the get pointer beyond the end of the current read area. (Which is legal. This is implicit in the definition of seekhigh in D.7.1, paragraph 4.)

Rationale:

The LWG agrees that seekoff() is underspecified, but does not wish to invest effort in this deprecated feature.