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authorTom Sepez <tsepez@chromium.org>2017-04-17 13:08:36 -0700
committerChromium commit bot <commit-bot@chromium.org>2017-04-17 20:51:44 +0000
commitc329d59b16b89f3533f9d309ed297938af865ae0 (patch)
tree987d3c29056bc074185a2aa3c5963b8589139f81 /fxbarcode/cbc_datamatrix.cpp
parente190e7ce1e03ac536ecf825550482b84f7a3dfaa (diff)
downloadpdfium-c329d59b16b89f3533f9d309ed297938af865ae0.tar.xz
Fix buffer management issues in CFX_SAXReader.
Re-write to use std::vectors rather than self-managed buffers. Includes test case that breaks before patch. Formerly, we had two independent buffers whose position were tracked by the same variable, assuming that only one was being written to at a given time. This is a bad idea because it's easy to forget to zero the index when switching buffers, and start indexing into one using previously computed offsets from the other. Additionally, there were cases where the location of a partial entity wasn't discarded when switching states thus clearing the buffer tracking said entity. Bug: 711459 Change-Id: I008f69517d4319a5fe8abda8d54c5b9975551697 Reviewed-on: https://pdfium-review.googlesource.com/4230 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
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