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nfp: Eliminate two unnecessary copies

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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
1 changed files with 13 additions and 10 deletions
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23
src/core/hle/service/nfp/nfp.cpp
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@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <array>
#include <atomic> #include <atomic>
#include "common/logging/log.h" #include "common/logging/log.h"
@ -72,10 +73,10 @@ private:
std::array<u8, 10> uuid; std::array<u8, 10> uuid;
u8 uuid_length; // TODO(ogniK): Figure out if this is actual the uuid length or does it u8 uuid_length; // TODO(ogniK): Figure out if this is actual the uuid length or does it
// mean something else // mean something else
INSERT_PADDING_BYTES(0x15); std::array<u8, 0x15> padding_1;
u32_le protocol; u32_le protocol;
u32_le tag_type; u32_le tag_type;
INSERT_PADDING_BYTES(0x2c); std::array<u8, 0x2c> padding_2;
}; };
static_assert(sizeof(TagInfo) == 0x54, "TagInfo is an invalid size"); static_assert(sizeof(TagInfo) == 0x54, "TagInfo is an invalid size");
@ -213,13 +214,15 @@ private:
LOG_DEBUG(Service_NFP, "called"); LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2}; IPC::ResponseBuilder rb{ctx, 2};
auto amiibo = nfp_interface.GetAmiiboBuffer(); const auto& amiibo = nfp_interface.GetAmiiboBuffer();
TagInfo tag_info{}; const TagInfo tag_info{
tag_info.uuid = amiibo.uuid; .uuid = amiibo.uuid,
tag_info.uuid_length = static_cast<u8>(tag_info.uuid.size()); .uuid_length = static_cast<u8>(tag_info.uuid.size()),
.padding_1 = {},
tag_info.protocol = 1; // TODO(ogniK): Figure out actual values .protocol = 1, // TODO(ogniK): Figure out actual values
tag_info.tag_type = 2; .tag_type = 2,
.padding_2 = {},
};
ctx.WriteBuffer(tag_info); ctx.WriteBuffer(tag_info);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
} }
@ -236,7 +239,7 @@ private:
LOG_DEBUG(Service_NFP, "called"); LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2}; IPC::ResponseBuilder rb{ctx, 2};
auto amiibo = nfp_interface.GetAmiiboBuffer(); const auto& amiibo = nfp_interface.GetAmiiboBuffer();
ctx.WriteBuffer(amiibo.model_info); ctx.WriteBuffer(amiibo.model_info);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
} }