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DiscIO: Prefix class member variables with "m_"

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This commit is contained in:
Lioncash
2014-09-01 15:48:02 -04:00
parent 5cc0bda3d5
commit 1977ea42ae
17 changed files with 211 additions and 202 deletions
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68
Source/Core/DiscIO/CompressedBlob.cpp
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@ -26,29 +26,29 @@
namespace DiscIO
{
CompressedBlobReader::CompressedBlobReader(const std::string& filename) : file_name(filename)
CompressedBlobReader::CompressedBlobReader(const std::string& filename) : m_file_name(filename)
{
m_file.Open(filename, "rb");
file_size = File::GetSize(filename);
m_file.ReadArray(&header, 1);
m_file_size = File::GetSize(filename);
m_file.ReadArray(&m_header, 1);
SetSectorSize(header.block_size);
SetSectorSize(m_header.block_size);
// cache block pointers and hashes
block_pointers = new u64[header.num_blocks];
m_file.ReadArray(block_pointers, header.num_blocks);
hashes = new u32[header.num_blocks];
m_file.ReadArray(hashes, header.num_blocks);
m_block_pointers = new u64[m_header.num_blocks];
m_file.ReadArray(m_block_pointers, m_header.num_blocks);
m_hashes = new u32[m_header.num_blocks];
m_file.ReadArray(m_hashes, m_header.num_blocks);
data_offset = (sizeof(CompressedBlobHeader))
+ (sizeof(u64)) * header.num_blocks // skip block pointers
+ (sizeof(u32)) * header.num_blocks; // skip hashes
m_data_offset = (sizeof(CompressedBlobHeader))
+ (sizeof(u64)) * m_header.num_blocks // skip block pointers
+ (sizeof(u32)) * m_header.num_blocks; // skip hashes
// A compressed block is never ever longer than a decompressed block, so just header.block_size should be fine.
// I still add some safety margin.
zlib_buffer_size = header.block_size + 64;
zlib_buffer = new u8[zlib_buffer_size];
memset(zlib_buffer, 0, zlib_buffer_size);
m_zlib_buffer_size = m_header.block_size + 64;
m_zlib_buffer = new u8[m_zlib_buffer_size];
memset(m_zlib_buffer, 0, m_zlib_buffer_size);
}
CompressedBlobReader* CompressedBlobReader::Create(const std::string& filename)
@ -61,19 +61,19 @@ CompressedBlobReader* CompressedBlobReader::Create(const std::string& filename)
CompressedBlobReader::~CompressedBlobReader()
{
delete [] zlib_buffer;
delete [] block_pointers;
delete [] hashes;
delete [] m_zlib_buffer;
delete [] m_block_pointers;
delete [] m_hashes;
}
// IMPORTANT: Calling this function invalidates all earlier pointers gotten from this function.
u64 CompressedBlobReader::GetBlockCompressedSize(u64 block_num) const
{
u64 start = block_pointers[block_num];
if (block_num < header.num_blocks - 1)
return block_pointers[block_num + 1] - start;
else if (block_num == header.num_blocks - 1)
return header.compressed_data_size - start;
u64 start = m_block_pointers[block_num];
if (block_num < m_header.num_blocks - 1)
return m_block_pointers[block_num + 1] - start;
else if (block_num == m_header.num_blocks - 1)
return m_header.compressed_data_size - start;
else
PanicAlert("GetBlockCompressedSize - illegal block number %i", (int)block_num);
return 0;
@ -83,32 +83,32 @@ void CompressedBlobReader::GetBlock(u64 block_num, u8 *out_ptr)
{
bool uncompressed = false;
u32 comp_block_size = (u32)GetBlockCompressedSize(block_num);
u64 offset = block_pointers[block_num] + data_offset;
u64 offset = m_block_pointers[block_num] + m_data_offset;
if (offset & (1ULL << 63))
{
if (comp_block_size != header.block_size)
if (comp_block_size != m_header.block_size)
PanicAlert("Uncompressed block with wrong size");
uncompressed = true;
offset &= ~(1ULL << 63);
}
// clear unused part of zlib buffer. maybe this can be deleted when it works fully.
memset(zlib_buffer + comp_block_size, 0, zlib_buffer_size - comp_block_size);
memset(m_zlib_buffer + comp_block_size, 0, m_zlib_buffer_size - comp_block_size);
m_file.Seek(offset, SEEK_SET);
m_file.ReadBytes(zlib_buffer, comp_block_size);
m_file.ReadBytes(m_zlib_buffer, comp_block_size);
u8* source = zlib_buffer;
u8* source = m_zlib_buffer;
u8* dest = out_ptr;
// First, check hash.
u32 block_hash = HashAdler32(source, comp_block_size);
if (block_hash != hashes[block_num])
if (block_hash != m_hashes[block_num])
PanicAlert("Hash of block %" PRIu64 " is %08x instead of %08x.\n"
"Your ISO, %s, is corrupt.",
block_num, block_hash, hashes[block_num],
file_name.c_str());
block_num, block_hash, m_hashes[block_num],
m_file_name.c_str());
if (uncompressed)
{
@ -120,15 +120,15 @@ void CompressedBlobReader::GetBlock(u64 block_num, u8 *out_ptr)
memset(&z, 0, sizeof(z));
z.next_in = source;
z.avail_in = comp_block_size;
if (z.avail_in > header.block_size)
if (z.avail_in > m_header.block_size)
{
PanicAlert("We have a problem");
}
z.next_out = dest;
z.avail_out = header.block_size;
z.avail_out = m_header.block_size;
inflateInit(&z);
int status = inflate(&z, Z_FULL_FLUSH);
u32 uncomp_size = header.block_size - z.avail_out;
u32 uncomp_size = m_header.block_size - z.avail_out;
if (status != Z_STREAM_END)
{
// this seem to fire wrongly from time to time
@ -136,7 +136,7 @@ void CompressedBlobReader::GetBlock(u64 block_num, u8 *out_ptr)
PanicAlert("Failure reading block %" PRIu64 " - out of data and not at end.", block_num);
}
inflateEnd(&z);
if (uncomp_size != header.block_size)
if (uncomp_size != m_header.block_size)
PanicAlert("Wrong block size");
}
}