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fixed decrypting loop

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This commit is contained in:
Jack Andersen
2015-07-02 15:57:31 -10:00
parent b461f63ae4
commit 84ca6a62e3
3 changed files with 17 additions and 14 deletions
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7
lib/DiscWii.cpp
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@@ -290,9 +290,10 @@ public:
size_t block = m_offset / 0x7c00;
size_t cacheOffset = m_offset % 0x7c00;
uint64_t cacheSize;
uint64_t rem = length;
uint8_t* dst = (uint8_t*)buf;
while (length)
while (rem)
{
if (block != m_curBlock)
{
@@ -300,13 +301,13 @@ public:
m_curBlock = block;
}
cacheSize = length;
cacheSize = rem;
if (cacheSize + cacheOffset > 0x7c00)
cacheSize = 0x7c00 - cacheOffset;
memcpy(dst, m_decBuf + cacheOffset, cacheSize);
dst += cacheSize;
length -= cacheSize;
rem -= cacheSize;
cacheOffset = 0;
++block;
}