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perf: use iterator range insert in Wishlist::next (#7890)

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This commit is contained in:
Yat Ho
2025-12-08 01:15:14 +08:00
committed by GitHub
parent 8dc5080dc7
commit e034799f6f
1 changed files with 6 additions and 10 deletions
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16
libtransmission/peer-mgr-wishlist.cc
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@@ -489,8 +489,11 @@ std::vector<tr_block_span_t> Wishlist::Impl::next(
blocks.reserve(n_wanted_blocks);
for (auto const& candidate : candidates_)
{
auto const n_added = std::size(blocks);
TR_ASSERT(n_added <= n_wanted_blocks);
// do we have enough?
if (std::size(blocks) >= n_wanted_blocks)
if (n_added >= n_wanted_blocks)
{
break;
}
@@ -502,15 +505,8 @@ std::vector<tr_block_span_t> Wishlist::Impl::next(
}
// walk the blocks in this piece that we don't have or not requested
for (auto it = std::rbegin(candidate.unrequested), end = std::rend(candidate.unrequested); it != end; ++it)
{
if (std::size(blocks) >= n_wanted_blocks)
{
break;
}
blocks.emplace_back(*it);
}
auto const n_to_add = std::min(std::size(candidate.unrequested), n_wanted_blocks - n_added);
std::copy_n(std::rbegin(candidate.unrequested), n_to_add, std::back_inserter(blocks));
}
// Ensure the list of blocks are sorted