VolumeWiiCrypted: Use std::min

This commit is contained in:
JosJuice 2015-04-21 11:24:13 +02:00
parent 5c46810a36
commit 405643b902
1 changed files with 7 additions and 6 deletions

View File

@ -4,6 +4,7 @@
#include "DiscIO/VolumeWiiCrypted.h"
#include <algorithm>
#include <cstddef>
#include <cstring>
#include <map>
@ -87,14 +88,14 @@ bool CVolumeWiiCrypted::Read(u64 _ReadOffset, u64 _Length, u8* _pBuffer, bool de
}
// Copy the decrypted data
u64 MaxSizeToCopy = BLOCK_DATA_SIZE - data_offset_in_block;
u64 CopySize = (_Length > MaxSizeToCopy) ? MaxSizeToCopy : _Length;
memcpy(_pBuffer, &m_last_decrypted_block_data[data_offset_in_block], (size_t)CopySize);
u64 copy_size = std::min(_Length, BLOCK_DATA_SIZE - data_offset_in_block);
memcpy(_pBuffer, &m_last_decrypted_block_data[data_offset_in_block],
static_cast<size_t>(copy_size));
// Update offsets
_Length -= CopySize;
_pBuffer += CopySize;
_ReadOffset += CopySize;
_Length -= copy_size;
_pBuffer += copy_size;
_ReadOffset += copy_size;
}
return true;