38 lines
1.3 KiB
ReStructuredText
38 lines
1.3 KiB
ReStructuredText
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.. title:: clang-tidy - llvmlibc-implementation-in-namespace
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llvmlibc-implementation-in-namespace
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====================================
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Checks that all declarations in the llvm-libc implementation are within the
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correct namespace.
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.. code-block:: c++
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// Implementation inside the LIBC_NAMESPACE namespace.
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// Correct if:
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// - LIBC_NAMESPACE is a macro
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// - LIBC_NAMESPACE expansion starts with `__llvm_libc`
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namespace LIBC_NAMESPACE {
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void LLVM_LIBC_ENTRYPOINT(strcpy)(char *dest, const char *src) {}
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// Namespaces within LIBC_NAMESPACE namespace are allowed.
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namespace inner {
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int localVar = 0;
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}
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// Functions with C linkage are allowed.
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extern "C" void str_fuzz() {}
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}
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// Incorrect: implementation not in the LIBC_NAMESPACE namespace.
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void LLVM_LIBC_ENTRYPOINT(strcpy)(char *dest, const char *src) {}
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// Incorrect: outer most namespace is not the LIBC_NAMESPACE macro.
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namespace something_else {
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void LLVM_LIBC_ENTRYPOINT(strcpy)(char *dest, const char *src) {}
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}
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// Incorrect: outer most namespace expansion does not start with `__llvm_libc`.
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#define LIBC_NAMESPACE custom_namespace
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namespace LIBC_NAMESPACE {
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void LLVM_LIBC_ENTRYPOINT(strcpy)(char *dest, const char *src) {}
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}
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