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strat: revise fs unsupported operation results, add overflow utils

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This commit is contained in:
Michael Scire
2022-03-13 01:32:34 -08:00
parent 46f2d34f25
commit b7ed9c58bb
31 changed files with 265 additions and 142 deletions
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6
libraries/libstratosphere/include/stratosphere/fs/fs_substorage.hpp
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@@ -107,13 +107,13 @@ namespace ams::fs {
virtual Result SetSize(s64 size) override {
/* Ensure we're initialized and validate arguments. */
R_UNLESS(this->IsValid(), fs::ResultNotInitialized());
R_UNLESS(m_resizable, fs::ResultUnsupportedOperationInSubStorageA());
R_UNLESS(m_resizable, fs::ResultUnsupportedSetSizeForNotResizableSubStorage());
R_UNLESS(IStorage::CheckOffsetAndSize(m_offset, size), fs::ResultInvalidSize());
/* Ensure that we're allowed to set size. */
s64 cur_size;
R_TRY(m_base_storage->GetSize(std::addressof(cur_size)));
R_UNLESS(cur_size == m_offset + m_size, fs::ResultUnsupportedOperationInSubStorageB());
R_UNLESS(cur_size == m_offset + m_size, fs::ResultUnsupportedSetSizeForResizableSubStorage());
/* Set the size. */
R_TRY(m_base_storage->SetSize(m_offset + size));
@@ -132,7 +132,7 @@ namespace ams::fs {
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override {
/* Ensure we're initialized. */
R_UNLESS(this->IsValid(), fs::ResultNotInitialized());
R_UNLESS(this->IsValid(), fs::ResultNotInitialized());
/* Succeed immediately on zero-sized operation. */
R_SUCCEED_IF(size == 0);