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/*
* Copyright 2019 The libgav1 Authors
*
* 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.
*/
#ifndef LIBGAV1_EXAMPLES_LOGGING_H_
#define LIBGAV1_EXAMPLES_LOGGING_H_
#include <cstddef>
#include <cstdio>
namespace libgav1 {
namespace examples {
#if !defined(LIBGAV1_EXAMPLES_ENABLE_LOGGING)
#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
#define LIBGAV1_EXAMPLES_ENABLE_LOGGING 0
#else
#define LIBGAV1_EXAMPLES_ENABLE_LOGGING 1
#endif
#endif
#if LIBGAV1_EXAMPLES_ENABLE_LOGGING
// Compile-time function to get the 'base' file_name, that is, the part of
// a file_name after the last '/' or '\' path separator. The search starts at
// the end of the string; the second parameter is the length of the string.
constexpr const char* Basename(const char* file_name, size_t offset) {
return (offset == 0 || file_name[offset - 1] == '/' ||
file_name[offset - 1] == '\\')
? file_name + offset
: Basename(file_name, offset - 1);
}
#define LIBGAV1_EXAMPLES_LOG_ERROR(error_string) \
do { \
constexpr const char* libgav1_examples_basename = \
libgav1::examples::Basename(__FILE__, sizeof(__FILE__) - 1); \
fprintf(stderr, "%s:%d (%s): %s.\n", libgav1_examples_basename, __LINE__, \
__func__, error_string); \
} while (false)
#else // !LIBGAV1_EXAMPLES_ENABLE_LOGGING
#define LIBGAV1_EXAMPLES_LOG_ERROR(error_string) \
do { \
} while (false)
#endif // LIBGAV1_EXAMPLES_ENABLE_LOGGING
} // namespace examples
} // namespace libgav1
#endif // LIBGAV1_EXAMPLES_LOGGING_H_
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