Function isBitcodeWrapper

src/include/llvm/Bitcode/BitcodeReader.h:192–201

isBitcodeWrapper - Return true if the given bytes are the magic bytes for an LLVM IR bitcode wrapper.

  /// isBitcodeWrapper - Return true if the given bytes are the magic bytes
  /// for an LLVM IR bitcode wrapper.
  inline bool isBitcodeWrapper(const unsigned char *BufPtr,
                               const unsigned char *BufEnd) {
    // See if you can find the hidden message in the magic bytes :-).
    // (Hint: it's a little-endian encoding.)
    return BufPtr != BufEnd &&
           BufPtr[0] == 0xDE &&
           BufPtr[1] == 0xC0 &&
           BufPtr[2] == 0x17 &&
           BufPtr[3] == 0x0B;
  }

  /// isRawBitcode - Return true if the given bytes are the magic bytes for
  /// raw LLVM IR bitcode (without a wrapper).