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.. title:: clang-tidy - cert-oop57-cpp
cert-oop57-cpp
==============
Flags use of the `C` standard library functions ``memset``, ``memcpy`` and
``memcmp`` and similar derivatives on non-trivial types.
Options
-------
.. option:: MemSetNames
Specify extra functions to flag that act similarly to ``memset``.
Specify names in a semicolon delimited list.
Default is an empty string.
The check will detect the following functions:
`memset`, `std::memset`.
.. option:: MemCpyNames
Specify extra functions to flag that act similarly to ``memcpy``.
Specify names in a semicolon delimited list.
Default is an empty string.
The check will detect the following functions:
`std::memcpy`, `memcpy`, `std::memmove`, `memmove`, `std::strcpy`,
`strcpy`, `memccpy`, `stpncpy`, `strncpy`.
.. option:: MemCmpNames
Specify extra functions to flag that act similarly to ``memcmp``.
Specify names in a semicolon delimited list.
Default is an empty string.
The check will detect the following functions:
`std::memcmp`, `memcmp`, `std::strcmp`, `strcmp`, `strncmp`.
This check corresponds to the CERT C++ Coding Standard rule
`OOP57-CPP. Prefer special member functions and overloaded operators to C
Standard Library functions
<https://wiki.sei.cmu.edu/confluence/display/cplusplus/OOP57-CPP.+Prefer+special+member+functions+and+overloaded+operators+to+C+Standard+Library+functions>`_.
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