forked from OSchip/llvm-project
50 lines
1.3 KiB
ReStructuredText
50 lines
1.3 KiB
ReStructuredText
.. title:: clang-tidy - modernize-deprecated-headers
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modernize-deprecated-headers
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============================
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Some headers from C library were deprecated in C++ and are no longer welcome in
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C++ codebases. Some have no effect in C++. For more details refer to the C++ 14
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Standard [depr.c.headers] section.
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This check replaces C standard library headers with their C++ alternatives and
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removes redundant ones.
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Improtant note: the Standard doesn't guarantee that the C++ headers declare all
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the same functions in the global namespace. The check in its current form can
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break the code that uses library symbols from the global namespace.
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* `<assert.h>`
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* `<complex.h>`
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* `<ctype.h>`
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* `<errno.h>`
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* `<fenv.h>` // deprecated since C++11
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* `<float.h>`
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* `<inttypes.h>`
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* `<limits.h>`
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* `<locale.h>`
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* `<math.h>`
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* `<setjmp.h>`
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* `<signal.h>`
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* `<stdarg.h>`
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* `<stddef.h>`
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* `<stdint.h>`
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* `<stdio.h>`
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* `<stdlib.h>`
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* `<string.h>`
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* `<tgmath.h>` // deprecated since C++11
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* `<time.h>`
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* `<uchar.h>` // deprecated since C++11
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* `<wchar.h>`
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* `<wctype.h>`
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If the specified standard is older than C++11 the check will only replace
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headers deprecated before C++11, otherwise -- every header that appeared in
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the previous list.
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These headers don't have effect in C++:
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* `<iso646.h>`
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* `<stdalign.h>`
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* `<stdbool.h>`
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