Mercurial > hg > mercurial-crew-with-dirclash
view tests/test-empty-file @ 4131:1ca664c964e0
don't return uninitialized memory from bdiff.blocks()
bdiff.blocks() returns a dummy match at the end of both files; the
length of that chunk is never set, so it will sometimes contain random
heap garbage. There are apparently workarounds for this elsewhere:
# bdiff sometimes gives huge matches past eof, this check eats them,
| author | Erling Ellingsen <erlingalf@gmail.com> |
|---|---|
| date | Tue, 20 Feb 2007 22:20:16 +0100 |
| parents | ad3d5b4367cb |
| children | 7a7d4937272b |
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#!/bin/sh hg init a cd a touch empty1 hg add empty1 hg commit -m 'add empty1' -d '1000000 0' touch empty2 hg add empty2 hg commit -m 'add empty2' -d '1000000 0' hg up -C 0 touch empty3 hg add empty3 hg commit -m 'add empty3' -d '1000000 0' hg heads hg merge 1 # before changeset 05257fd28591, we didn't notice the # empty file that came from rev 1. hg status hg commit -m merge -d '1000000 0' hg manifest --debug tip