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nfp: Eliminate two unnecessary copies

GetAmiiboBuffer() returns by const reference, so we can use a reference
instead of taking the returned buffer by value.
This commit is contained in:
Lioncash 2020-09-17 13:34:47 -04:00
parent fcd0925ecf
commit aca3621146

View file

@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <atomic>
#include "common/logging/log.h"
@ -72,10 +73,10 @@ private:
std::array<u8, 10> uuid;
u8 uuid_length; // TODO(ogniK): Figure out if this is actual the uuid length or does it
// mean something else
INSERT_PADDING_BYTES(0x15);
std::array<u8, 0x15> padding_1;
u32_le protocol;
u32_le tag_type;
INSERT_PADDING_BYTES(0x2c);
std::array<u8, 0x2c> padding_2;
};
static_assert(sizeof(TagInfo) == 0x54, "TagInfo is an invalid size");
@ -213,13 +214,15 @@ private:
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2};
auto amiibo = nfp_interface.GetAmiiboBuffer();
TagInfo tag_info{};
tag_info.uuid = amiibo.uuid;
tag_info.uuid_length = static_cast<u8>(tag_info.uuid.size());
tag_info.protocol = 1; // TODO(ogniK): Figure out actual values
tag_info.tag_type = 2;
const auto& amiibo = nfp_interface.GetAmiiboBuffer();
const TagInfo tag_info{
.uuid = amiibo.uuid,
.uuid_length = static_cast<u8>(tag_info.uuid.size()),
.padding_1 = {},
.protocol = 1, // TODO(ogniK): Figure out actual values
.tag_type = 2,
.padding_2 = {},
};
ctx.WriteBuffer(tag_info);
rb.Push(RESULT_SUCCESS);
}
@ -236,7 +239,7 @@ private:
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2};
auto amiibo = nfp_interface.GetAmiiboBuffer();
const auto& amiibo = nfp_interface.GetAmiiboBuffer();
ctx.WriteBuffer(amiibo.model_info);
rb.Push(RESULT_SUCCESS);
}