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Kernel: Use KString all the way in sys$execve()

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This patch converts all the usage of AK::String around sys$execve() to
using KString instead, allowing us to catch and propagate OOM errors.

It also required changing the kernel CommandLine helper class to return
a vector of KString for the userspace init program arguments.
This commit is contained in:
Andreas Kling 2021-09-09 11:36:40 +02:00
parent 92363a4ef8
commit dd82f68326
6 changed files with 48 additions and 41 deletions
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4
Kernel/CommandLine.h
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@ -7,9 +7,11 @@
#pragma once
#include <AK/HashMap.h>
#include <AK/NonnullOwnPtrVector.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <Kernel/KString.h>
namespace Kernel {
@ -76,7 +78,7 @@ public:
[[nodiscard]] bool disable_virtio() const;
[[nodiscard]] AHCIResetMode ahci_reset_mode() const;
[[nodiscard]] StringView userspace_init() const;
[[nodiscard]] Vector<String> userspace_init_args() const;
[[nodiscard]] NonnullOwnPtrVector<KString> userspace_init_args() const;
[[nodiscard]] StringView root_device() const;
[[nodiscard]] size_t switch_to_tty() const;