D476: util: add an mmapread method
mbthomas (Mark Thomas)
phabricator at mercurial-scm.org
Thu Sep 21 08:57:31 EDT 2017
mbthomas added a comment.
As it stands, `mmap.mmap` only raises `ValueError` if the arguments are incorrect or if the file is zero-length. But since that's not guaranteed, I've added a check that the reason for the exception is that the file is zero length before returning the empty string.
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REVISION DETAIL
https://phab.mercurial-scm.org/D476
To: mbthomas, #fbhgext, #hg-reviewers, quark, durin42
Cc: durin42, quark, indygreg, simonfar, mercurial-devel
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