lmdb-erl/c_src/common.h

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/*
* Copyright (c) 2012 Basho Technologies, Inc. All Rights Reserved.
* Author: Gregory Burd <greg@basho.com> <greg@burd.me>
*
* This file is provided to you 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 __COMMON_H__
#define __COMMON_H__
#if defined(__cplusplus)
extern "C" {
#endif
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#if !(__STDC_VERSION__ >= 199901L || defined(__GNUC__))
# undef DEBUG
# define DEBUG 0
# define DPRINTF (void) /* Vararg macros may be unsupported */
#elif DEBUG
#include <stdio.h>
#include <stdarg.h>
#define DPRINTF(fmt, ...) \
do { \
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fprintf(stderr, "%s:%d " fmt "\n", __FILE__, __LINE__, __VA_ARGS__); \
fflush(stderr); \
} while(0)
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#define DPUTS(arg) DPRINTF("%s", arg)
#else
#define DPRINTF(fmt, ...) ((void) 0)
#define DPUTS(arg) ((void) 0)
#endif
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#ifndef __UNUSED
#define __UNUSED(v) ((void)(v))
#endif
#ifndef COMPQUIET
#define COMPQUIET(n, v) do { \
(n) = (v); \
(n) = (n); \
} while (0)
#endif
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#ifdef __APPLE__
#define PRIuint64(x) (x)
#else
#define PRIuint64(x) (unsigned long long)(x)
#endif
#if defined(__cplusplus)
}
#endif
#endif // __COMMON_H__