tree 8b0896cf870ec9a17a509245d50921759ae6a153
parent d824a90b6fc908020d8f264447fd348c7ffe72c5
author Tom Sepez <tsepez@chromium.org> 1495215786 -0700
committer Chromium commit bot <commit-bot@chromium.org> 1495227157 +0000

ASAN flags zero-length StringC in GetMapModuleString()

Corner case for StringCs:  A non-referenceable ptr plus a
zero length.

The situation should be rare, so fix it at the spot of the
foul rather than adding logic to the StringC constructors to
zero the pointer when encountering zero length.

Bug: 724500
Change-Id: I54b263f7db5ddef7bade6bfaa185a542ea20229c
Reviewed-on: https://pdfium-review.googlesource.com/5730
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>