/*

 * Copyright (C) 2021 The Android Open Source Project

 *

 * 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 <stdarg.h>

#include <stdint.h>

#include <stdio.h>

#include <string>

#include <android-base/stringprintf.h>

#include <unwindstack/Log.h>

namespace unwindstack {

namespace Log {

static void PrintToStdout(uint8_t indent, const char* format, va_list args) {

  std::string real_format;

  if (indent > 0) {

    real_format = android::base::StringPrintf("%*s%s", 2 * indent, " ", format);

  } else {

    real_format = format;

  }

  real_format += '\n';

  vprintf(real_format.c_str(), args);

}

void Info(const char* format, ...) {

  va_list args;

  va_start(args, format);

  PrintToStdout(0, format, args);

  va_end(args);

}

void Info(uint8_t indent, const char* format, ...) {

  va_list args;

  va_start(args, format);

  PrintToStdout(indent, format, args);

  va_end(args);

}

void Error(const char* format, ...) {

  va_list args;

  va_start(args, format);

  PrintToStdout(0, format, args);

  va_end(args);

}

void AsyncSafe(const char* format, ...) {

  va_list args;

  va_start(args, format);

  // Only call vprintf to avoid allocating as much as possible, PrintToStdout uses a std::string.

  vprintf(format, args);

  printf("\n");

  va_end(args);

}

}  // namespace Log

}  // namespace unwindstack