Section: 18.104.22.168 [stringbuf.virtuals] Status: CD1 Submitter: Bill Plauger Opened: 2004-01-30 Last modified: 2016-02-10
Priority: Not Prioritized
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pos_type basic_stringbuf::seekoff(off_type, ios_base::seekdir, ios_base::openmode);
is obliged to fail if nothing has been inserted into the stream. This is unnecessary and undesirable. It should be permissible to seek to an effective offset of zero.
[ Sydney: Agreed that this is an annoying problem: seeking to zero should be legal. Bill will provide wording. ]
Change the sentence from:
For a sequence to be positioned, if its next pointer (either gptr() or pptr()) is a null pointer, the positioning operation fails.
For a sequence to be positioned, if its next pointer (either gptr() or pptr()) is a null pointer and the new offset newoff is nonzero, the positioning operation fails.