// Copyright 2014 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "util/misc/paths.h"

#include <mach-o/dyld.h>
#include <stdint.h>

#include "base/logging.h"

namespace crashpad {

// static
bool Paths::Executable(base::FilePath* path) {
  uint32_t executable_length = 0;
  _NSGetExecutablePath(nullptr, &executable_length);
  if (executable_length <= 1) {
    LOG(ERROR) << "_NSGetExecutablePath";
    return false;
  }

  std::string executable_path(executable_length - 1, std::string::value_type());
  int rv = _NSGetExecutablePath(&executable_path[0], &executable_length);
  if (rv != 0) {
    LOG(ERROR) << "_NSGetExecutablePath";
    return false;
  }

  *path = base::FilePath(executable_path);
  return true;
}

}  // namespace crashpad