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authorLei Zhang <thestig@chromium.org>2018-10-01 17:47:52 +0000
committerLei Zhang <thestig@chromium.org>2018-10-01 17:47:52 +0000
commit13b08aa11de74120909b871b987d010f33cd0bc6 (patch)
treedf5c1ce27d6beae6f6ad544e73cc5b318c8a8137 /xfa/fxbarcode/pdf417
parent0004bd334b0c485b2e4ece0bfae8812c7f107a0d (diff)
downloadpdfium-chromium/3538.tar.xz
M70: Avoid CHECK in fpdf_parser_decode.cpp (memcpy empty span)chromium/3538
Given a span of size N, memcpy(dest, &span[N], 0) ought to be a no-op, but since we compute span[N] before checking for zero length, we hit an assert. The correct idiom should be to create a sub-span, which allows specifying N, but only when the size is 0. Bug: chromium:879910,chromium:889356 Change-Id: Ic6f368109a5c2f1e13a5f638c6a233769e2ad41b Reviewed-on: https://pdfium-review.googlesource.com/41930 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> (cherry picked from commit 73e97f4fac2f4f591ff62e70377a80fd40b5f6f3) Reviewed-on: https://pdfium-review.googlesource.com/43271
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