/*
 * Copyright (c) 2009-2012, Redis Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Redis nor the names of its contributors may be used
 *     to endorse or promote products derived from this software without
 *     specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _REDIS_FMACRO_H
#define _REDIS_FMACRO_H

#define _BSD_SOURCE

#if defined(__linux__)
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
/*
 * This macro might have already been defined by including <features.h>, which
 * is transitively included by <sys/types.h>. Therefore, to avoid redefinition
 * build warnings, we check if the macro is already defined.
 */
#ifndef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#endif

#if defined(_AIX)
#define _ALL_SOURCE
#endif

#if defined(__linux__) || defined(__OpenBSD__)
#define _XOPEN_SOURCE 700
/*
 * On NetBSD, _XOPEN_SOURCE undefines _NETBSD_SOURCE and
 * thus hides inet_aton etc.
 */
#elif !defined(__NetBSD__)
#define _XOPEN_SOURCE
#endif

#if defined(__sun)
#define _POSIX_C_SOURCE 199506L
#endif

#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#define _FILE_OFFSET_BITS 64

/* deprecate unsafe functions
 *
 * NOTE: We do not use the poison pragma since it
 * will error on stdlib definitions in files as well*/
#if (__GNUC__ && __GNUC__ >= 4) && !defined __APPLE__

/* These deprecation attributes rely on C-only constructs (e.g. `restrict`)
 * and redeclare libc symbols. They are disabled for building gtest
 * to avoid conflicts with C++ standard library declarations.
 */
#ifndef __cplusplus
int sprintf(char *str, const char *format, ...)
    __attribute__((deprecated("please avoid use of unsafe C functions. prefer use of snprintf instead")));
char *strcpy(char *restrict dest, const char *src)
    __attribute__((deprecated("please avoid use of unsafe C functions. prefer use of valkey_strlcpy instead")));
char *strcat(char *restrict dest, const char *restrict src)
    __attribute__((deprecated("please avoid use of unsafe C functions. prefer use of valkey_strlcat instead")));
#endif /* !__cplusplus */

#endif

#ifdef __linux__
/* features.h uses the defines above to set feature specific defines.  */
#include <features.h>
#endif

#endif
