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Attempt to fix 64-bit seeks in DriveReader. Please test. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2363 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-02-22 12:40:38 +00:00
parent 8741026ba0
commit 8276ca3b21
1 changed files with 5 additions and 3 deletions
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8
Source/Core/DiscIO/Src/DriveBlob.cpp
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@ -114,9 +114,11 @@ namespace DiscIO
u32 NotUsed; u32 NotUsed;
u8 * lpSector = new u8[m_blocksize]; u8 * lpSector = new u8[m_blocksize];
#ifdef _WIN32 #ifdef _WIN32
// TODO: Fix for 64bit block_num, SetFilePointer uses LONG u64 offset = m_blocksize * block_num;
SetFilePointer (hDisc, m_blocksize*block_num, NULL, FILE_BEGIN); LONG off_low = (LONG)offset & 0xFFFFFFFF;
if(!ReadFile(hDisc, lpSector, m_blocksize, (LPDWORD)&NotUsed, NULL)) LONG off_high = (LONG)(offset >> 32);
SetFilePointer(hDisc, off_low, &off_high, FILE_BEGIN);
if (!ReadFile(hDisc, lpSector, m_blocksize, (LPDWORD)&NotUsed, NULL))
PanicAlert("DRE"); PanicAlert("DRE");
#else #else
fseek(file_, m_blocksize*block_num, SEEK_SET); fseek(file_, m_blocksize*block_num, SEEK_SET);