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VolumeGC/VolumeWii: Dehardcode sizes where applicable

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We can just use the relevant array to derive these sizes instead of hardcoding
them directly.
This commit is contained in:
Lioncash 2018-05-30 04:05:47 -04:00
parent 9bf5ad1f0e
commit 7bef470136
2 changed files with 15 additions and 14 deletions
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6
Source/Core/DiscIO/VolumeGC.cpp
View File

@ -104,7 +104,7 @@ Country VolumeGC::GetCountry(const Partition& partition) const
std::string VolumeGC::GetMakerID(const Partition& partition) const
{
char maker_id[2];
if (!Read(0x4, 0x2, reinterpret_cast<u8*>(&maker_id), partition))
if (!Read(0x4, sizeof(maker_id), reinterpret_cast<u8*>(&maker_id), partition))
return std::string();
return DecodeString(maker_id);
@ -119,7 +119,7 @@ std::optional<u16> VolumeGC::GetRevision(const Partition& partition) const
std::string VolumeGC::GetInternalName(const Partition& partition) const
{
char name[0x60];
if (Read(0x20, 0x60, (u8*)name, partition))
if (Read(0x20, sizeof(name), reinterpret_cast<u8*>(name), partition))
return DecodeString(name);
return "";
@ -160,7 +160,7 @@ std::vector<u32> VolumeGC::GetBanner(u32* width, u32* height) const
std::string VolumeGC::GetApploaderDate(const Partition& partition) const
{
char date[16];
if (!Read(0x2440, 0x10, (u8*)&date, partition))
if (!Read(0x2440, sizeof(date), reinterpret_cast<u8*>(&date), partition))
return std::string();
return DecodeString(date);

23
Source/Core/DiscIO/VolumeWii.cpp
View File

@ -272,7 +272,7 @@ std::string VolumeWii::GetGameID(const Partition& partition) const
{
char id[6];
if (!Read(0, 6, reinterpret_cast<u8*>(id), partition))
if (!Read(0, sizeof(id), reinterpret_cast<u8*>(id), partition))
return std::string();
return DecodeString(id);
@ -303,7 +303,7 @@ std::string VolumeWii::GetMakerID(const Partition& partition) const
{
char maker_id[2];
if (!Read(0x4, 0x2, reinterpret_cast<u8*>(&maker_id), partition))
if (!Read(0x4, sizeof(maker_id), reinterpret_cast<u8*>(&maker_id), partition))
return std::string();
return DecodeString(maker_id);
@ -318,7 +318,7 @@ std::optional<u16> VolumeWii::GetRevision(const Partition& partition) const
std::string VolumeWii::GetInternalName(const Partition& partition) const
{
char name_buffer[0x60];
if (Read(0x20, 0x60, (u8*)&name_buffer, partition))
if (Read(0x20, sizeof(name_buffer), reinterpret_cast<u8*>(&name_buffer), partition))
return DecodeString(name_buffer);
return "";
@ -348,7 +348,7 @@ std::string VolumeWii::GetApploaderDate(const Partition& partition) const
{
char date[16];
if (!Read(0x2440, 0x10, (u8*)&date, partition))
if (!Read(0x2440, sizeof(date), reinterpret_cast<u8*>(&date), partition))
return std::string();
return DecodeString(date);
@ -395,7 +395,7 @@ bool VolumeWii::CheckIntegrity(const Partition& partition) const
// Get partition data size
u32 part_size_div4;
m_reader->Read(partition.offset + 0x2BC, 4, reinterpret_cast<u8*>(&part_size_div4));
m_reader->Read(partition.offset + 0x2BC, sizeof(u32), reinterpret_cast<u8*>(&part_size_div4));
const u64 part_data_size = static_cast<u64>(Common::swap32(part_size_div4)) * 4;
const u32 num_clusters = static_cast<u32>(part_data_size / 0x8000);
@ -408,13 +408,13 @@ bool VolumeWii::CheckIntegrity(const Partition& partition) const
u8 cluster_metadata_crypted[0x400];
u8 cluster_metadata[0x400];
u8 iv[16] = {0};
if (!m_reader->Read(cluster_offset, 0x400, cluster_metadata_crypted))
if (!m_reader->Read(cluster_offset, sizeof(cluster_metadata_crypted), cluster_metadata_crypted))
{
WARN_LOG(DISCIO, "Integrity Check: fail at cluster %d: could not read metadata", cluster_id);
return false;
}
mbedtls_aes_crypt_cbc(aes_context, MBEDTLS_AES_DECRYPT, 0x400, iv, cluster_metadata_crypted,
cluster_metadata);
mbedtls_aes_crypt_cbc(aes_context, MBEDTLS_AES_DECRYPT, sizeof(cluster_metadata), iv,
cluster_metadata_crypted, cluster_metadata);
// Some clusters have invalid data and metadata because they aren't
// meant to be read by the game (for example, holes between files). To
@ -433,7 +433,7 @@ bool VolumeWii::CheckIntegrity(const Partition& partition) const
continue;
u8 cluster_data[0x7C00];
if (!Read((u64)cluster_id * 0x7C00, 0x7C00, cluster_data, partition))
if (!Read(cluster_id * sizeof(cluster_data), sizeof(cluster_data), cluster_data, partition))
{
WARN_LOG(DISCIO, "Integrity Check: fail at cluster %d: could not read data", cluster_id);
return false;
@ -443,10 +443,11 @@ bool VolumeWii::CheckIntegrity(const Partition& partition) const
{
u8 hash[20];
mbedtls_sha1(cluster_data + hash_id * 0x400, 0x400, hash);
mbedtls_sha1(cluster_data + hash_id * sizeof(cluster_metadata), sizeof(cluster_metadata),
hash);
// Note that we do not use strncmp here
if (memcmp(hash, cluster_metadata + hash_id * 20, 20))
if (memcmp(hash, cluster_metadata + hash_id * sizeof(hash), sizeof(hash)))
{
WARN_LOG(DISCIO, "Integrity Check: fail at cluster %d: hash %d is invalid", cluster_id,
hash_id);