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AK: Disallow returning of string literals for errors in kernel code

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This code should not be used in the kernel - we should always propagate
proper errno codes in case we need to return those to userland so it
could decode it in a reasonable way.
This commit is contained in:
Liav A 2023-02-04 14:18:36 +02:00 • committed by Linus Groh
commit 048fb2c204
Notes: sideshowbarker 2024-07-17 04:34:25 +09:00
5 changed files with 51 additions and 20 deletions
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4
AK/Format.h
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@ -684,9 +684,7 @@ struct Formatter<Error> : Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, Error const& error)
{
#if defined(AK_OS_SERENITY) && defined(KERNEL)
if (error.is_errno())
return Formatter<FormatString>::format(builder, "Error(errno={})"sv, error.code());
return Formatter<FormatString>::format(builder, "Error({})"sv, error.string_literal());
return Formatter<FormatString>::format(builder, "Error(errno={})"sv, error.code());
#else
if (error.is_syscall())
return Formatter<FormatString>::format(builder, "{}: {} (errno={})"sv, error.string_literal(), strerror(error.code()), error.code());