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partition_filesystem, vfs_real: Use std::distance() instead of subtraction

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This is a little bit more self-documenting on what is being done here.
This commit is contained in:
Lioncash
2018-07-20 22:14:59 -04:00
parent 8afc21f175
commit 2b91386e15
2 changed files with 10 additions and 4 deletions
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7
src/core/file_sys/partition_filesystem.cpp
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@ -2,7 +2,9 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <iterator>
#include <utility>
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/partition_filesystem.h"
@ -99,11 +101,12 @@ void PartitionFilesystem::PrintDebugInfo() const {
}
bool PartitionFilesystem::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
auto iter = std::find(pfs_files.begin(), pfs_files.end(), file);
const auto iter = std::find(pfs_files.begin(), pfs_files.end(), file);
if (iter == pfs_files.end())
return false;
pfs_files[iter - pfs_files.begin()] = pfs_files.back();
const std::ptrdiff_t offset = std::distance(pfs_files.begin(), iter);
pfs_files[offset] = pfs_files.back();
pfs_files.pop_back();
pfs_dirs.emplace_back(dir);