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AK: Return KString instead of String from encode_hex in the Kernel

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This let's us propagate allocation errors from this API.
This commit is contained in:
Idan Horowitz 2022-02-15 23:25:25 +02:00 • committed by Andreas Kling
parent d296001f3f
commit 3219ce3d61
3 changed files with 32 additions and 6 deletions
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12
AK/Hex.cpp
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@ -35,6 +35,17 @@ ErrorOr<ByteBuffer> decode_hex(StringView input)
return { move(output) };
}
#ifdef KERNEL
ErrorOr<NonnullOwnPtr<Kernel::KString>> encode_hex(const ReadonlyBytes input)
{
StringBuilder output(input.size() * 2);
for (auto ch : input)
TRY(output.try_appendff("{:02x}", ch));
return Kernel::KString::try_create(output.string_view());
}
#else
String encode_hex(const ReadonlyBytes input)
{
StringBuilder output(input.size() * 2);
@ -44,5 +55,6 @@ String encode_hex(const ReadonlyBytes input)
return output.build();
}
#endif
}