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// Copyright 2016 The Bazel 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.
#ifndef BAZEL_SRC_TOOLS_SINGLEJAR_DIAG_H_
#define BAZEL_SRC_TOOLS_SINGLEJAR_DIAG_H_ 1
/*
* Various useful diagnostics functions from Linux err.h file, wrapped
* for portability.
*/
#if defined(__APPLE__) || defined(__linux__) || defined(__FreeBSD__)
#include <err.h>
#define diag_err(...) err(__VA_ARGS__)
#define diag_errx(...) errx(__VA_ARGS__)
#define diag_warn(...) warn(__VA_ARGS__)
#define diag_warnx(...) warnx(__VA_ARGS__)
#elif defined(_WIN32)
#include <stdio.h>
#include <string.h>
#include <windows.h>
#define _diag_msg(prefix, msg, ...) \
{ fprintf(stderr, prefix msg, __VA_ARGS__); }
#define _diag_msgx(exit_value, prefix, msg, ...) \
{ \
_diag_msg(prefix, msg, __VA_ARGS__); \
::ExitProcess(exit_value); \
}
#define diag_err(exit_value, fmt, ...) \
_diag_msgx(exit_value, "ERROR: ", fmt, __VA_ARGS__)
#define diag_errx(exit_value, fmt, ...) \
_diag_msgx(exit_value, "ERROR: ", fmt, __VA_ARGS__)
#define diag_warn(fmt, ...) _diag_msg("WARNING: ", fmt, __VA_ARGS__)
#define diag_warnx(fmt, ...) _diag_msg("WARNING: ", fmt, __VA_ARGS__)
#else
#error Unknown platform
#endif
#endif // BAZEL_SRC_TOOLS_SINGLEJAR_DIAG_H_
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