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classification

Title:	struct.pack_into(), struct.unpack_from() don't document support for negative offsets
Type:		Stage:
Components:	Documentation	Versions:	Python 3.6

process

Status:	open	Resolution:
Dependencies:		Superseder:
Assigned To:	docs@python	Nosy List:	docs@python, pfalcon
Priority:	normal	Keywords:

Created on 2016-05-01 10:09 by pfalcon, last changed 2022-04-11 14:58 by admin.

See
https://docs.python.org/3/library/struct.html#struct.pack_into
https://docs.python.org/3/library/struct.html#struct.unpack_from

Actual source contains code like:

    if (offset < 0)
        offset += vbuf.len;

to allow specify offsets from the end of a buffer.