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authorMattes D <github@xoft.cz>2016-08-24 21:45:03 +0200
committerMattes D <github@xoft.cz>2016-08-24 22:26:53 +0200
commitd2e8643607424cd74616e2e863f5609e7b8458a5 (patch)
treed5afab6035ca6bb0b58fd03ad5cfe3b3f8e1da55 /Tools/MCADefrag/MCADefrag.cpp
parentMerge pull request #3342 from cuberite/FixEmptyHeader (diff)
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Diffstat (limited to 'Tools/MCADefrag/MCADefrag.cpp')
-rw-r--r--Tools/MCADefrag/MCADefrag.cpp35
1 files changed, 20 insertions, 15 deletions
diff --git a/Tools/MCADefrag/MCADefrag.cpp b/Tools/MCADefrag/MCADefrag.cpp
index cf1db85d5..c7de1933b 100644
--- a/Tools/MCADefrag/MCADefrag.cpp
+++ b/Tools/MCADefrag/MCADefrag.cpp
@@ -257,7 +257,10 @@ bool cMCADefrag::cThread::ReadChunk(cFile & a_File, const Byte * a_LocationRaw)
int SizeInSectors = a_LocationRaw[3] * (4 KiB);
if (a_File.Seek(SectorNum * (4 KiB)) < 0)
{
- LOGWARNING("Failed to seek to chunk data - file pos %llu (%d KiB, %.02f MiB)!", (Int64)SectorNum * (4 KiB), SectorNum * 4, ((double)SectorNum) / 256);
+ LOGWARNING("Failed to seek to chunk data - file pos %llu (%d KiB, %.02f MiB)!",
+ static_cast<Int64>(SectorNum) * (4 KiB), SectorNum * 4,
+ static_cast<double>(SectorNum) / 256
+ );
return false;
}
@@ -276,7 +279,7 @@ bool cMCADefrag::cThread::ReadChunk(cFile & a_File, const Byte * a_LocationRaw)
}
// Read the data:
- if (a_File.Read(m_CompressedChunkData, m_CompressedChunkDataSize) != m_CompressedChunkDataSize)
+ if (a_File.Read(m_CompressedChunkData, static_cast<size_t>(m_CompressedChunkDataSize)) != m_CompressedChunkDataSize)
{
LOGWARNING("Failed to read chunk data!");
return false;
@@ -311,15 +314,15 @@ bool cMCADefrag::cThread::WriteChunk(cFile & a_File, Byte * a_LocationRaw)
}
// Update the Location:
- a_LocationRaw[0] = m_CurrentSectorOut >> 16;
+ a_LocationRaw[0] = static_cast<Byte>(m_CurrentSectorOut >> 16);
a_LocationRaw[1] = (m_CurrentSectorOut >> 8) & 0xff;
a_LocationRaw[2] = m_CurrentSectorOut & 0xff;
- a_LocationRaw[3] = (m_CompressedChunkDataSize + (4 KiB) + 3) / (4 KiB); // +3 because the m_CompressedChunkDataSize doesn't include the exact-length
+ a_LocationRaw[3] = static_cast<Byte>((m_CompressedChunkDataSize + (4 KiB) + 3) / (4 KiB)); // +3 because the m_CompressedChunkDataSize doesn't include the exact-length
m_CurrentSectorOut += a_LocationRaw[3];
// Write the data length:
Byte Buf[4];
- Buf[0] = m_CompressedChunkDataSize >> 24;
+ Buf[0] = static_cast<Byte>(m_CompressedChunkDataSize >> 24);
Buf[1] = (m_CompressedChunkDataSize >> 16) & 0xff;
Buf[2] = (m_CompressedChunkDataSize >> 8) & 0xff;
Buf[3] = m_CompressedChunkDataSize & 0xff;
@@ -330,7 +333,7 @@ bool cMCADefrag::cThread::WriteChunk(cFile & a_File, Byte * a_LocationRaw)
}
// Write the data:
- if (a_File.Write(m_CompressedChunkData, m_CompressedChunkDataSize) != m_CompressedChunkDataSize)
+ if (a_File.Write(m_CompressedChunkData, static_cast<size_t>(m_CompressedChunkDataSize)) != m_CompressedChunkDataSize)
{
LOGWARNING("Failed to write chunk data!");
return false;
@@ -339,7 +342,7 @@ bool cMCADefrag::cThread::WriteChunk(cFile & a_File, Byte * a_LocationRaw)
// Pad onto the next sector:
int NumPadding = a_LocationRaw[3] * 4096 - (m_CompressedChunkDataSize + 4);
ASSERT(NumPadding >= 0);
- if ((NumPadding > 0) && (a_File.Write(g_Zeroes, NumPadding) != NumPadding))
+ if ((NumPadding > 0) && (a_File.Write(g_Zeroes, static_cast<size_t>(NumPadding)) != NumPadding))
{
LOGWARNING("Failed to write padding");
return false;
@@ -382,14 +385,14 @@ bool cMCADefrag::cThread::UncompressChunkZlib(void)
{
// Uncompress the data:
z_stream strm;
- strm.zalloc = (alloc_func)NULL;
- strm.zfree = (free_func)NULL;
- strm.opaque = NULL;
+ strm.zalloc = nullptr;
+ strm.zfree = nullptr;
+ strm.opaque = nullptr;
inflateInit(&strm);
strm.next_out = m_RawChunkData;
strm.avail_out = sizeof(m_RawChunkData);
strm.next_in = m_CompressedChunkData + 1; // The first byte is the compression method, skip it
- strm.avail_in = m_CompressedChunkDataSize;
+ strm.avail_in = static_cast<uInt>(m_CompressedChunkDataSize);
int res = inflate(&strm, Z_FINISH);
inflateEnd(&strm);
if (res != Z_STREAM_END)
@@ -397,7 +400,8 @@ bool cMCADefrag::cThread::UncompressChunkZlib(void)
LOGWARNING("Failed to uncompress chunk data: %s", strm.msg);
return false;
}
- m_RawChunkDataSize = strm.total_out;
+ ASSERT(strm.total_out < static_cast<uLong>(std::numeric_limits<int>::max()));
+ m_RawChunkDataSize = static_cast<int>(strm.total_out);
return true;
}
@@ -409,7 +413,7 @@ bool cMCADefrag::cThread::UncompressChunkZlib(void)
bool cMCADefrag::cThread::CompressChunk(void)
{
// Check that the compressed data can fit:
- uLongf CompressedSize = compressBound(m_RawChunkDataSize);
+ uLongf CompressedSize = compressBound(static_cast<uLong>(m_RawChunkDataSize));
if (CompressedSize > sizeof(m_CompressedChunkData))
{
LOGINFO("Too much data for the internal compression buffer!");
@@ -417,14 +421,15 @@ bool cMCADefrag::cThread::CompressChunk(void)
}
// Compress the data using the highest compression factor:
- int errorcode = compress2(m_CompressedChunkData + 1, &CompressedSize, m_RawChunkData, m_RawChunkDataSize, Z_BEST_COMPRESSION);
+ int errorcode = compress2(m_CompressedChunkData + 1, &CompressedSize, m_RawChunkData, static_cast<uLong>(m_RawChunkDataSize), Z_BEST_COMPRESSION);
if (errorcode != Z_OK)
{
LOGINFO("Recompression failed: %d", errorcode);
return false;
}
m_CompressedChunkData[0] = COMPRESSION_ZLIB;
- m_CompressedChunkDataSize = CompressedSize + 1;
+ ASSERT(CompressedSize < static_cast<uLong>(std::numeric_limits<int>::max()));
+ m_CompressedChunkDataSize = static_cast<int>(CompressedSize + 1);
return true;
}