#include "llvm/BinaryFormat/MachO.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
#if !defined(_MSC_VER) && !defined(__MINGW32__)
#include <unistd.h>
}
std::error_code llvm::identify_magic(const Twine &Path, file_magic &Result) {
- int FD;
- if (std::error_code EC = openFileForRead(Path, FD))
- return EC;
+ auto FileOrError = MemoryBuffer::getFile(Path);
+ if (!FileOrError)
+ return FileOrError.getError();
- char Buffer[32];
- int Length = read(FD, Buffer, sizeof(Buffer));
- if (close(FD) != 0 || Length < 0)
- return std::error_code(errno, std::generic_category());
+ std::unique_ptr<MemoryBuffer> FileBuffer = std::move(*FileOrError);
+ Result = identify_magic(FileBuffer->getBuffer());
- Result = identify_magic(StringRef(Buffer, Length));
return std::error_code();
}