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system/Error: add [[gnu::const]] attribute

This commit is contained in:
Max Kellermann 2022-06-13 21:16:07 +02:00
parent 45d908e25f
commit acfeec7a5d
1 changed files with 3 additions and 5 deletions
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8
src/system/Error.hxx
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@ -1,5 +1,5 @@
/*
* Copyright 2013-2015 Max Kellermann <max.kellermann@gmail.com>
* Copyright 2013-2022 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -27,8 +27,7 @@
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SYSTEM_ERROR_HXX
#define SYSTEM_ERROR_HXX
#pragma once
#include <system_error> // IWYU pragma: export
#include <utility>
@ -104,6 +103,7 @@ FormatLastError(const char *fmt, Args&&... args) noexcept
*
* @see https://stackoverflow.com/questions/28746372/system-error-categories-and-standard-system-error-codes
*/
[[gnu::const]]
static inline const std::error_category &
ErrnoCategory() noexcept
{
@ -203,5 +203,3 @@ IsAccessDenied(const std::system_error &e) noexcept
return IsErrno(e, EACCES);
#endif
}
#endif