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AK+Kernel: Return KString from MACAddress::to_string() in the Kernel

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This lets us safely handle allocation failure.
This commit is contained in:
Idan Horowitz 2022-02-15 19:38:35 +02:00 • committed by Andreas Kling
commit 9277d2dce2
Notes: sideshowbarker 2024-07-17 18:41:26 +09:00
2 changed files with 17 additions and 3 deletions
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14
AK/MACAddress.h
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@ -9,10 +9,15 @@
#include <AK/AllOf.h>
#include <AK/Array.h>
#include <AK/Assertions.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <AK/Vector.h>
#ifdef KERNEL
# include <Kernel/KString.h>
#else
# include <AK/String.h>
#endif
class [[gnu::packed]] MACAddress {
static constexpr size_t s_mac_address_length = 6u;
@ -53,10 +58,17 @@ public:
return true;
}
#ifdef KERNEL
ErrorOr<NonnullOwnPtr<Kernel::KString>> to_string() const
{
return Kernel::KString::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
}
#else
String to_string() const
{
return String::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
}
#endif
static Optional<MACAddress> from_string(StringView string)
{