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9aebd2a64e
The macros in src/utils/bounds_safety.h exist to ensure libwebp stays portable. This also provides wrappers around common functions like memcpy/memset/memmove, which are useful as part of the migration. Memcpy (et al.) wrappers aren't expected to exist forever, and can be removed after the codebase is fully annotated. There's some complexity here due to the number of states we need to support: 1) Off everywhere 2) Building libwebp (some or all) with -fbounds-safety 3) Linking against libwebp that was built with -fbounds-safety 4) Inter-operation with C++ Change-Id: I789f0a94f25b70cab172d5b3f5e6b12de3a34bb4