Hi,
Please find in attach a patch that adds support for the malloc and
alloc_size function attributes.
The malloc attribute specifies that a function behaves like malloc
(i.e., it returns a fresh pointer to an allocated block). It's mainly
used for optimization purposes.
The alloc_size attribute specifies that a given function returns a
buffer of the size given in the specified argument. It's used to
generate warnings for e.g. buffer overflows. Clang will also take
advantage of this when instrumenting code for run-time buffer overflow
detection.
Nuno
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