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SPDX-License-Identifier: CC-BY-SA-4.0
copyrights:
- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
enabled-by: true
links:
- role: requirement-refinement
uid: ../if/alloc-size
non-functional-type: interface
rationale: null
references: []
requirement-type: non-functional
text: |
When the code is compiled with the GNU C compiler,
and the ${../if/alloc-size:/name} macro is used as last part of a
function declaration,
and ${../if/alloc-size:/params[0]/name} is a constant number
referring to an argument of that function
(counting of arguments starts at 1 from the left),
and the declared function returns a pointer to memory with the size in bytes
provided by the function argument number ${../if/alloc-size:/params[0]/name},
the macro shall cause the compiler to improve the correctness of
``__builtin_object_sizepointer`` analysis.
type: requirement
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