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c62240aa80
If no header includes the prototype of a function, then it cannot be used from outside the translation unit it was defined in. In that case, it should be marked as `static`, in order to avoid possible ODR problems, unnecessary exported symbols, and allow the compiler to better optimize those. If this warning triggers in a function defined in a header, `inline` needs to be added, otherwise if the header is included in more than one TU, it will fail to link with a duplicate definition error. The reason this diff got so big is that Lagom-only code wasn't built with this flag even in Serenity times.
35 lines
2 KiB
C
35 lines
2 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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extern "C" __attribute__((noreturn)) void ak_verification_failed(char const*);
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#define __stringify_helper(x) #x
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#define __stringify(x) __stringify_helper(x)
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#define VERIFY(expr) \
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(__builtin_expect(!(expr), 0) \
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? ak_verification_failed(#expr " at " __FILE__ ":" __stringify(__LINE__)) \
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: (void)0)
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#define VERIFY_NOT_REACHED() VERIFY(false) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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static constexpr bool TODO = false;
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#define TODO() VERIFY(TODO) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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#define TODO_AARCH64() VERIFY(TODO) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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#define TODO_RISCV64() VERIFY(TODO) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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#define TODO_PPC64() VERIFY(TODO) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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#define TODO_PPC() VERIFY(TODO) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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extern "C" __attribute__((noreturn)) void ak_assertion_failed(char const*);
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#ifndef NDEBUG
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# define ASSERT(expr) \
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(__builtin_expect(!(expr), 0) \
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? ak_assertion_failed(#expr " at " __FILE__ ":" __stringify(__LINE__)) \
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: (void)0)
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# define ASSERT_NOT_REACHED ASSERT(false) /* NOLINT(cert-dcl03-c,misc-static-assert) No, this can't be static_assert, it's a runtime check */
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#else
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# define ASSERT(expr)
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# define ASSERT_NOT_REACHED() __builtin_unreachable()
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#endif
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