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Fix issue where RomFs with no files could not be processed.

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This commit is contained in:
Jack 2022-11-27 12:26:44 +08:00
parent 390b544059
commit b0a07c061a
2 changed files with 35 additions and 10 deletions
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2
deps/libpietendo vendored

@ -1 +1 @@
Subproject commit 89204ee499bfb3e4d1017c4a1fe2d29b2e70ff37 Subproject commit 994e70282691fb8cdb9276906500fd873ac51270

33
src/RomfsProcess.cpp
View file

@ -20,6 +20,7 @@ nstool::RomfsProcess::RomfsProcess() :
void nstool::RomfsProcess::process() void nstool::RomfsProcess::process()
{ {
// state checks
if (mFile == nullptr) if (mFile == nullptr)
{ {
throw tc::Exception(mModuleName, "No file reader set."); throw tc::Exception(mModuleName, "No file reader set.");
@ -29,8 +30,6 @@ void nstool::RomfsProcess::process()
throw tc::NotSupportedException(mModuleName, "Input stream requires read/seek permissions."); throw tc::NotSupportedException(mModuleName, "Input stream requires read/seek permissions.");
} }
tc::ByteData scratch;
// read base header to determine complete header size // read base header to determine complete header size
if (mFile->length() < tc::io::IOUtil::castSizeToInt64(sizeof(pie::hac::sRomfsHeader))) if (mFile->length() < tc::io::IOUtil::castSizeToInt64(sizeof(pie::hac::sRomfsHeader)))
{ {
@ -46,15 +45,41 @@ void nstool::RomfsProcess::process()
throw tc::ArgumentOutOfRangeException(mModuleName, "Corrupt RomFs: RomFsHeader is corrupted."); throw tc::ArgumentOutOfRangeException(mModuleName, "Corrupt RomFs: RomFsHeader is corrupted.");
} }
/*
fmt::print("RomFsHeader:\n");
fmt::print(" > header_size = 0x{:04x}\n", mRomfsHeader.header_size.unwrap());
fmt::print(" > dir_hash_bucket\n");
fmt::print(" > offset = 0x{:04x}\n", mRomfsHeader.dir_hash_bucket.offset.unwrap());
fmt::print(" > size = 0x{:04x}\n", mRomfsHeader.dir_hash_bucket.size.unwrap());
fmt::print(" > dir_entry\n");
fmt::print(" > offset = 0x{:04x}\n", mRomfsHeader.dir_entry.offset.unwrap());
fmt::print(" > size = 0x{:04x}\n", mRomfsHeader.dir_entry.size.unwrap());
fmt::print(" > file_hash_bucket\n");
fmt::print(" > offset = 0x{:04x}\n", mRomfsHeader.file_hash_bucket.offset.unwrap())
fmt::print(" > size = 0x{:04x}\n", mRomfsHeader.file_hash_bucket.size.unwrap());
fmt::print(" > file_entry\n");
fmt::print(" > offset = 0x{:04x}\n", mRomfsHeader.file_entry.offset.unwrap());
fmt::print(" > size = 0x{:04x}\n", mRomfsHeader.file_entry.size.unwrap());
fmt::print(" > data_offset = 0x{:04x}\n", mRomfsHeader.data_offset.unwrap());
*/
// get dir entry ptr // get dir entry ptr
tc::ByteData dir_entry_table = tc::ByteData(tc::io::IOUtil::castInt64ToSize(mRomfsHeader.dir_entry.size.unwrap())); tc::ByteData dir_entry_table = tc::ByteData();
if (mRomfsHeader.dir_entry.size.unwrap() > 0)
{
dir_entry_table = tc::ByteData(tc::io::IOUtil::castInt64ToSize(mRomfsHeader.dir_entry.size.unwrap()));
mFile->seek(mRomfsHeader.dir_entry.offset.unwrap(), tc::io::SeekOrigin::Begin); mFile->seek(mRomfsHeader.dir_entry.offset.unwrap(), tc::io::SeekOrigin::Begin);
mFile->read(dir_entry_table.data(), dir_entry_table.size()); mFile->read(dir_entry_table.data(), dir_entry_table.size());
}
// get file entry ptr // get file entry ptr
tc::ByteData file_entry_table = tc::ByteData(tc::io::IOUtil::castInt64ToSize(mRomfsHeader.file_entry.size.unwrap())); tc::ByteData file_entry_table = tc::ByteData();
if (mRomfsHeader.file_entry.size.unwrap() > 0)
{
file_entry_table = tc::ByteData(tc::io::IOUtil::castInt64ToSize(mRomfsHeader.file_entry.size.unwrap()));
mFile->seek(mRomfsHeader.file_entry.offset.unwrap(), tc::io::SeekOrigin::Begin); mFile->seek(mRomfsHeader.file_entry.offset.unwrap(), tc::io::SeekOrigin::Begin);
mFile->read(file_entry_table.data(), file_entry_table.size()); mFile->read(file_entry_table.data(), file_entry_table.size());
}
// count dir num // count dir num
mDirNum = 0; mDirNum = 0;