1 files changed, 0 insertions, 62 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Archive/Common/FindSignature.cpp b/src/libs/7zip/unix/CPP/7zip/Archive/Common/FindSignature.cpp
deleted file mode 100644
index dc4e33980..000000000
--- a/src/libs/7zip/unix/CPP/7zip/Archive/Common/FindSignature.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-// FindSignature.cpp
-
-#include "StdAfx.h"
-
-#include "Common/Buffer.h"
-
-#include "FindSignature.h"
-
-#include "../../Common/StreamUtils.h"
-
-HRESULT FindSignatureInStream(ISequentialInStream *stream,
-    const Byte *signature, unsigned signatureSize,
-    const UInt64 *limit, UInt64 &resPos)
-{
-  resPos = 0;
-  CByteBuffer byteBuffer2;
-  byteBuffer2.SetCapacity(signatureSize);
-  RINOK(ReadStream_FALSE(stream, byteBuffer2, signatureSize));
-
-  if (memcmp(byteBuffer2, signature, signatureSize) == 0)
-    return S_OK;
-
-  const UInt32 kBufferSize = (1 << 16);
-  CByteBuffer byteBuffer;
-  byteBuffer.SetCapacity(kBufferSize);
-  Byte *buffer = byteBuffer;
-  UInt32 numPrevBytes = signatureSize - 1;
-  memcpy(buffer, (const Byte *)byteBuffer2 + 1, numPrevBytes);
-  resPos = 1;
-  for (;;)
-  {
-    if (limit != NULL)
-      if (resPos > *limit)
-        return S_FALSE;
-    do
-    {
-      UInt32 numReadBytes = kBufferSize - numPrevBytes;
-      UInt32 processedSize;
-      RINOK(stream->Read(buffer + numPrevBytes, numReadBytes, &processedSize));
-      numPrevBytes += processedSize;
-      if (processedSize == 0)
-        return S_FALSE;
-    }
-    while (numPrevBytes < signatureSize);
-    UInt32 numTests = numPrevBytes - signatureSize + 1;
-    for (UInt32 pos = 0; pos < numTests; pos++)
-    {
-      Byte b = signature[0];
-      for (; buffer[pos] != b && pos < numTests; pos++) {}
-      if (pos == numTests)
-        break;
-      if (memcmp(buffer + pos, signature, signatureSize) == 0)
-      {
-        resPos += pos;
-        return S_OK;
-      }
-    }
-    resPos += numTests;
-    numPrevBytes -= numTests;
-    memmove(buffer, buffer + numTests, numPrevBytes);
-  }
-}