tree 78c8add0ffe77731a01ba25477d924c05469c4d1
parent d7603583f90c2bc6074a4ee2886bd28082d7c65b
author Sergio Giro <sgiro@google.com> 1467133349 +0100
committer gitbuildkicker <android-build@google.com> 1470104020 -0700

libutils/Unicode.cpp: Correct length computation and add checks for utf16->utf8

Inconsistent behaviour between utf16_to_utf8 and utf16_to_utf8_length
is causing a heap overflow.

Correcting the length computation and adding bound checks to the
conversion functions.

Test: ran libutils_tests
Bug: 29250543
Change-Id: I6115e3357141ed245c63c6eb25fc0fd0a9a7a2bb
(cherry picked from commit c4966a363e46d2e1074d1a365e232af0dcedd6a1)