mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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62 lines
2.5 KiB
C++
62 lines
2.5 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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namespace ams::fssrv {
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Result PathNormalizer::Normalize(const char **out_path, Buffer *out_buf, const char *path, bool preserve_unc, bool preserve_tail_sep, bool has_mount_name) {
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/* Check pre-conditions. */
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AMS_ASSERT(out_path != nullptr);
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AMS_ASSERT(out_buf != nullptr);
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/* Clear output. */
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*out_path = nullptr;
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*out_buf = Buffer();
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/* Check if we're normalized. */
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bool normalized = false;
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R_TRY(fs::PathNormalizer::IsNormalized(std::addressof(normalized), path, preserve_unc, has_mount_name));
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if (normalized) {
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/* If we're already normalized, no allocation is needed. */
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*out_path = path;
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} else {
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/* Allocate a new buffer. */
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auto buffer = fs::impl::MakeUnique<char[]>(fs::EntryNameLengthMax + 1);
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R_UNLESS(buffer != nullptr, fs::ResultAllocationFailureInPathNormalizer());
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/* Generate normalized path. */
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size_t normalized_len = 0;
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R_TRY(fs::PathNormalizer::Normalize(buffer.get(), std::addressof(normalized_len), path, fs::EntryNameLengthMax + 1, preserve_unc, has_mount_name));
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/* Preserve the tail separator, if we should. */
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if (preserve_tail_sep) {
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if (fs::PathNormalizer::IsSeparator(path[strnlen(path, fs::EntryNameLengthMax) - 1]) && !fs::PathNormalizer::IsSeparator(buffer[normalized_len - 1])) {
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AMS_ASSERT(normalized_len < fs::EntryNameLengthMax);
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buffer[normalized_len] = fs::StringTraits::DirectorySeparator;
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buffer[normalized_len + 1] = fs::StringTraits::NullTerminator;
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}
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}
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/* Save output. */
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*out_path = buffer.get();
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*out_buf = std::move(buffer);
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}
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return ResultSuccess();
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}
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}
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