// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CRAZY_LINKER_ERROR_H
#define CRAZY_LINKER_ERROR_H

namespace crazy {

// A class used to hold a fixed-size buffer to hold error messages
// as well as perform assignment and formatting.
//
// Usage examples:
//     Error error;
//     error = "Unimplemented feature";
//     error->Set("Unimplemented feature");
//     error->Format("Feature %s is not implemented", feature_name);
//     error->Append(strerror(errno));
//     error->AppendFormat("Error: %s", strerror(errno));
//
class Error {
 public:
  Error() { buff_[0] = '\0'; }

  Error(const char* message) { Set(message); }

  Error(const Error& other) { Set(other.buff_); }

  const char* c_str() const { return buff_; }

  void Set(const char* message);

  void Format(const char* fmt, ...);

  void Append(const char* message);

  void AppendFormat(const char* fmt, ...);

 private:
  char buff_[512];
};

}  // namespace crazy

#endif  // CRAZY_LINKER_ERROR_H