forked from enlightenment/efl
597 lines
15 KiB
C
597 lines
15 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2007-2008 Carsten Haitzler, Vincent Torri, Jorge Luis Zapata Muga
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_TYPES_H_
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#define EINA_TYPES_H_
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/**
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* @addtogroup Eina_Core_Group Core
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*
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* @{
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*/
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/**
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* @defgroup Eina_Types_Group Types
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*
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* @{
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*/
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#ifdef EAPI
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# undef EAPI
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#endif
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#ifdef _WIN32
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# ifdef EFL_BUILD
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# ifdef DLL_EXPORT
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# define EAPI __declspec(dllexport)
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# else
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# define EAPI
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# endif
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# else
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# define EAPI __declspec(dllimport)
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# endif
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# define EAPI_WEAK
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#else
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# ifdef __GNUC__
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# if __GNUC__ >= 4
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# define EAPI __attribute__ ((visibility("default")))
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# define EAPI_WEAK __attribute__ ((weak))
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# else
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# define EAPI
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# define EAPI_WEAK
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# endif
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# else
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/**
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* @def EAPI
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* @brief Used to export functions (by changing visibility).
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*/
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# define EAPI
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# define EAPI_WEAK
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# endif
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#endif
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/* Weak symbols part of EFL API - Note: not weak on all platforms */
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#define EWAPI EAPI EAPI_WEAK
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#ifdef _WIN32
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# ifdef DLL_EXPORT
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# define EXPORTAPI __declspec(dllexport)
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# else
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# define EXPORTAPI
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# endif /* ! DLL_EXPORT */
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#else
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# ifdef __GNUC__
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# if __GNUC__ >= 4
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# define EXPORTAPI __attribute__ ((visibility("default")))
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# else
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# define EXPORTAPI
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# endif
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# else
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/**
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* @def EAPI
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* @brief Used to export functions (by changing visibility).
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*/
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# define EXPORTAPI
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# endif
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#endif
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#include "eina_config.h"
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#ifndef __WORDSIZE
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# if defined(__OPENBSD__) && (INTPTR_MAX == INT32_MAX)
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# define __WORDSIZE 32
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# else
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# define __WORDSIZE 64
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# endif
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#endif
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/* Do not turn the following #define as meaning EFL64. We are only
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interested to know if sizeof (void*) == 64bits or not. Those means
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something else.
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defined(__x86_64__) || defined(__x86_64) || defined(__amd64__) || defined(__amd64)
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*/
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#if defined(_WIN64) || defined(__LP64__) || defined(_LP64) || defined(__ppc64__)
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# define EFL64
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#endif
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#ifdef EINA_UNUSED
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# undef EINA_UNUSED
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#endif
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#ifdef EINA_WARN_UNUSED_RESULT
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# undef EINA_WARN_UNUSED_RESULT
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#endif
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#ifdef EINA_ARG_NONNULL
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# undef EINA_ARG_NONNULL
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#endif
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#ifdef EINA_DEPRECATED
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# undef EINA_DEPRECATED
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#endif
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#ifdef EINA_MALLOC
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# undef EINA_MALLOC
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#endif
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#ifdef EINA_PURE
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# undef EINA_PURE
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#endif
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#ifdef EINA_PRINTF
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# undef EINA_PRINTF
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#endif
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#ifdef EINA_SCANF
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# undef EINA_SCANF
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#endif
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#ifdef EINA_FORMAT
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# undef EINA_FORMAT
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#endif
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#ifdef EINA_CONST
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# undef EINA_CONST
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#endif
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#ifdef EINA_NOINSTRUMENT
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# undef EINA_NOINSTRUMENT
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#endif
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#ifdef EINA_UNLIKELY
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# undef EINA_UNLIKELY
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#endif
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#ifdef EINA_LIKELY
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# undef EINA_LIKELY
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#endif
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#ifdef EINA_SENTINEL
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# undef EINA_SENTINEL
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#endif
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#ifdef EINA_FALLTHROUGH
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# undef EINA_FALLTHROUGH
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#endif
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#ifdef EINA_PREFETCH
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# undef EINA_PREFETCH
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#endif
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#ifdef EINA_PREFETCH_WRITE
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# undef EINA_PREFETCH_WRITE
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#endif
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#ifdef EINA_PREFETCH_NOCACHE
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# undef EINA_PREFETCH_NOCACHE
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#endif
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#ifdef EINA_PREFETCH_NOCACHE_WRITE
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# undef EINA_PREFETCH_NOCACHE_WRITE
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#endif
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#ifdef __GNUC__
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# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
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# define EINA_UNUSED __attribute__ ((__unused__))
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# else
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# define EINA_UNUSED
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# endif
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# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
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# define EINA_WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
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# else
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# define EINA_WARN_UNUSED_RESULT
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# endif
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# if (!defined(EINA_SAFETY_CHECKS)) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
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# define EINA_ARG_NONNULL(...) __attribute__ ((__nonnull__(__VA_ARGS__)))
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# else
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# define EINA_ARG_NONNULL(...)
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# endif
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# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
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# define EINA_DEPRECATED __attribute__ ((__deprecated__))
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# else
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# define EINA_DEPRECATED
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# endif
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# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
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# define EINA_MALLOC __attribute__ ((__malloc__))
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# define EINA_PURE __attribute__ ((__pure__))
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# else
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# define EINA_MALLOC
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# define EINA_PURE
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# endif
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# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
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# define EINA_HOT __attribute__ ((hot))
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# define EINA_COLD __attribute__ ((cold))
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# else
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# define EINA_HOT
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# define EINA_COLD
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# endif
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# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
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# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 3)
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# define EINA_PRINTF(fmt, arg) __attribute__((__format__ (__gnu_printf__, fmt, arg)))
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# else
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# define EINA_PRINTF(fmt, arg) __attribute__((__format__ (__printf__, fmt, arg)))
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# endif
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# define EINA_SCANF(fmt, arg) __attribute__((__format__ (__scanf__, fmt, arg)))
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# define EINA_FORMAT(fmt) __attribute__((__format_arg__(fmt)))
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# define EINA_CONST __attribute__((__const__))
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# define EINA_NOINSTRUMENT __attribute__((__no_instrument_function__))
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# define EINA_UNLIKELY(exp) __builtin_expect((exp), 0)
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# define EINA_LIKELY(exp) __builtin_expect((exp), 1)
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# define EINA_SENTINEL __attribute__((__sentinel__))
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# ifndef __clang__
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# if __GNUC__ >= 7
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# define EINA_FALLTHROUGH __attribute__ ((fallthrough));
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# else
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# define EINA_FALLTHROUGH
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# endif
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# define EINA_PREFETCH(arg) (arg ? __builtin_prefetch(arg) : (void) arg)
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# define EINA_PREFETCH_WRITE(arg) (arg ? __builtin_prefetch(arg, 1) : (void) arg)
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# define EINA_PREFETCH_NOCACHE(arg) (arg ? __builtin_prefetch(arg, 0, 0) : (void) arg)
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# define EINA_PREFETCH_NOCACHE_WRITE(arg) (arg ? __builtin_prefetch(arg, 1, 0) : (void) arg)
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# else
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/* LLVM Clang workaround (crash on compilation) */
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# define EINA_FALLTHROUGH
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# define EINA_PREFETCH(arg) ((void) (arg))
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# define EINA_PREFETCH_WRITE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE_WRITE(arg) ((void) (arg))
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# endif
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# else
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# define EINA_PRINTF(fmt, arg)
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# define EINA_SCANF(fmt, arg)
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# define EINA_FORMAT(fmt)
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# define EINA_CONST
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# define EINA_NOINSTRUMENT
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# define EINA_UNLIKELY(exp) exp
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# define EINA_LIKELY(exp) exp
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# define EINA_SENTINEL
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# define EINA_FALLTHROUGH
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# define EINA_PREFETCH(arg) ((void) (arg))
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# define EINA_PREFETCH_WRITE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE_WRITE(arg) ((void) (arg))
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# endif
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#elif defined(_MSC_VER)
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# define EINA_UNUSED
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# define EINA_WARN_UNUSED_RESULT
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# define EINA_ARG_NONNULL(...)
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# if _MSC_VER >= 1300
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# define EINA_DEPRECATED __declspec(deprecated)
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# else
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# define EINA_DEPRECATED
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# endif
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# define EINA_MALLOC
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# define EINA_PURE
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# define EINA_PRINTF(fmt, arg)
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# define EINA_SCANF(fmt, arg)
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# define EINA_FORMAT(fmt)
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# define EINA_CONST
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# define EINA_NOINSTRUMENT
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# define EINA_UNLIKELY(exp) exp
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# define EINA_LIKELY(exp) exp
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# define EINA_SENTINEL
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# define EINA_FALLTHROUGH
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# define EINA_PREFETCH(arg) ((void) (arg))
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# define EINA_PREFETCH_WRITE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE_WRITE(arg) ((void) (arg))
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#elif defined(__SUNPRO_C)
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# define EINA_UNUSED
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# define EINA_WARN_UNUSED_RESULT
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# define EINA_ARG_NONNULL(...)
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# define EINA_DEPRECATED
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# if __SUNPRO_C >= 0x590
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# define EINA_MALLOC __attribute__ ((malloc))
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# define EINA_PURE __attribute__ ((pure))
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# else
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# define EINA_MALLOC
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# define EINA_PURE
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# endif
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# define EINA_PRINTF(fmt, arg)
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# define EINA_SCANF(fmt, arg)
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# define EINA_FORMAT(fmt)
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# if __SUNPRO_C >= 0x590
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# define EINA_CONST __attribute__ ((const))
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# else
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# define EINA_CONST
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# endif
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# define EINA_NOINSTRUMENT
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# define EINA_UNLIKELY(exp) exp
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# define EINA_LIKELY(exp) exp
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# define EINA_SENTINEL
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# define EINA_FALLTHROUGH
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# define EINA_PREFETCH(arg) ((void) (arg))
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# define EINA_PREFETCH_WRITE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE(arg) ((void) (arg))
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# define EINA_PREFETCH_NOCACHE_WRITE(arg) ((void) (arg))
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#else /* ! __GNUC__ && ! _MSC_VER && ! __SUNPRO_C */
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/**
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* @def EINA_UNUSED
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* Used to warn when an argument of the function is not used.
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*/
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# define EINA_UNUSED
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/**
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* @def EINA_WARN_UNUSED_RESULT
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* Used to warn when the returned value of the function is not used.
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*/
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# define EINA_WARN_UNUSED_RESULT
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/**
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* @def EINA_ARG_NONNULL
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* Used to warn when the specified arguments of the function are @c NULL.
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*
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* @param[in] ... Ordinals of the parameters to check for nullity (1..n)
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*
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* @return Nothing, but Doxygen will complain if it's not documented :-P
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*
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*/
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# define EINA_ARG_NONNULL(...)
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/**
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* @def EINA_DEPRECATED
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* Used to warn when the function is considered as deprecated.
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*/
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# define EINA_DEPRECATED
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/**
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* @def EINA_MALLOC
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* @brief EINA_MALLOC is used to tell the compiler that a function may be treated
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* as if any non-NULL pointer it returns cannot alias any other pointer valid when
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* the function returns and that the memory has undefined content.
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*/
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# define EINA_MALLOC
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/**
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* @def EINA_PURE
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* @brief EINA_PURE is used to tell the compiler this function has no effect
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* except the return value and its return value depends only on the parameters
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* and/or global variables.
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*/
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# define EINA_PURE
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/**
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* @def EINA_PRINTF
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* @param[in] fmt The format to be used.
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* @param[in] arg The argument to be used.
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*/
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# define EINA_PRINTF(fmt, arg)
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/**
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* @def EINA_SCANF
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* @param[in] fmt The format to be used.
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* @param[in] arg The argument to be used.
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*/
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# define EINA_SCANF(fmt, arg)
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/**
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* @def EINA_FORMAT
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* @param[in] fmt The format to be used.
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*/
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# define EINA_FORMAT(fmt)
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/**
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* @def EINA_CONST
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* @brief Attribute from gcc to prevent the function to read/modify any global memory.
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*/
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# define EINA_CONST
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/**
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* @def EINA_NOINSTRUMENT
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* @brief Attribute from gcc to disable instrumentation for a specific function.
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*/
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# define EINA_NOINSTRUMENT
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/**
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* @def EINA_UNLIKELY
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* @param[in] exp The expression to be used.
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*/
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# define EINA_UNLIKELY(exp) exp
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/**
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* @def EINA_LIKELY
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* @param[in] exp The expression to be used.
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*/
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# define EINA_LIKELY(exp) exp
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/**
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* @def EINA_SENTINEL
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* @brief Attribute from gcc to prevent calls without the necessary NULL
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* sentinel in certain variadic functions
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*
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* @since 1.7
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*/
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# define EINA_SENTINEL
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/**
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* @def EINA_FALLTHROUGH
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* @brief Attribute from gcc to prevent warning and indicate that we expect
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* to actually go to the next switch statement
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*
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* @since 1.20
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*/
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# define EINA_FALLTHROUGH
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/**
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* @def EINA_PREFETCH
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* @brief Hints that the pointer @parg needs to be pre-fetched into cache
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*
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* This hints to the compiler to probably issue a prefetch command for the
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* memory address @p arg and ensure it goes into all levels of cache. For
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* just writing to an address look at EINA_PREFETCH_WRITE().
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*
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* Note that the pointer @p arg does not have to be a valid pointer and
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* will not cause any exceptions (like segfaults) if it is invalid.
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*
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* @since 1.19
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*/
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# define EINA_PREFETCH(arg)
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/**
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* @def EINA_PREFETCH_WRITE
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* @brief Hints that the pointer @parg needs to be pre-fetched into cache
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*
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* This hints to the compiler to probably issue a prefetch command for the
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* memory address @p arg and ensure it goes into all levels of cache. This
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* specifically indicates that the address is going to be written to as
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* opposed to being read from as with EINA_PREFETCH().
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*
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* Note that the pointer @p arg does not have to be a valid pointer and
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* will not cause any exceptions (like segfaults) if it is invalid.
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*
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* @since 1.19
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*/
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# define EINA_PREFETCH_WRITE(arg)
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/**
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* @def EINA_PREFETCH_NOCACHE
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* @brief Hints that the pointer @parg needs to be pre-fetched into cache
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*
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* This hints to the compiler to probably issue a prefetch command for the
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* memory address @p arg and ensure it goes into just the closest(l1) cache.
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* For just writing to an address look at EINA_PREFETCH_WRITE_NOCACHE().
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*
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* Note that the pointer @p arg does not have to be a valid pointer and
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* will not cause any exceptions (like segfaults) if it is invalid.
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*
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* @since 1.19
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*/
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# define EINA_PREFETCH_NOCACHE(arg)
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/**
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* @def EINA_PREFETCH_WRITE_NOCACHE
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*
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* @brief Hints that the pointer @parg needs to be pre-fetched into cache
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*
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* This hints to the compiler to probably issue a prefetch command for the
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* memory address @p arg and ensure it goes into just the closest(l1) cache.
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* This specifically indicates that the address is going to be written to as
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* opposed to being read from as with EINA_PREFETCH_NOCACHE().
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* Note that the pointer @p arg does not have to be a valid pointer and
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* will not cause any exceptions (like segfaults) if it is invalid.
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*
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* @since 1.19
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*/
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# define EINA_PREFETCH_NOCACHE_WRITE(arg)
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#endif /* ! __GNUC__ && ! _WIN32 && ! __SUNPRO_C */
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/**
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* @typedef Eina_Bool
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* Type to mimic a boolean.
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*
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* @note it differs from stdbool.h as this is defined as an unsigned
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* char to make it usable by bitfields (Eina_Bool name:1) and
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* also take as few bytes as possible.
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*/
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typedef unsigned char Eina_Bool;
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/**
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* @def EINA_FALSE
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* boolean value FALSE (numerical value 0)
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*/
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#define EINA_FALSE ((Eina_Bool)0)
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/**
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* @def EINA_TRUE
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* boolean value TRUE (numerical value 1)
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*/
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#define EINA_TRUE ((Eina_Bool)1)
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EAPI extern const unsigned int eina_prime_table[];
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/**
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* @typedef Eina_Compare_Cb
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|
* Function used in functions using sorting. It compares @p data1 and
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* @p data2. If @p data1 is 'less' than @p data2, -1 must be returned,
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|
* if it is 'greater', 1 must be returned, and if they are equal, 0
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|
* must be returned.
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|
*/
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|
typedef int (*Eina_Compare_Cb)(const void *data1, const void *data2);
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|
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/**
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|
* @def EINA_COMPARE_CB
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|
* Macro to cast to Eina_Compare_Cb.
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|
*/
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|
#define EINA_COMPARE_CB(function) ((Eina_Compare_Cb)function)
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|
|
|
/**
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|
* @typedef Eina_Random_Cb
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|
* Function used in shuffling functions. An integer between min and max
|
|
* inclusive must be returned.
|
|
*
|
|
* @since 1.8
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|
*/
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|
typedef int (*Eina_Random_Cb)(const int min, const int max);
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|
|
|
/**
|
|
* @def EINA_RANDOM_CB
|
|
* Macro to cast to Eina_Random_Cb.
|
|
*/
|
|
#define EINA_RANDOM_CB(function) ((Eina_Random_Cb)function)
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|
|
|
/**
|
|
* @typedef Eina_Each_Cb
|
|
* A callback type used when iterating over a container.
|
|
*/
|
|
typedef Eina_Bool (*Eina_Each_Cb)(const void *container, void *data, void *fdata);
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|
|
|
/**
|
|
* @def EINA_EACH_CB
|
|
* Macro to cast to Eina_Each.
|
|
*/
|
|
#define EINA_EACH_CB(Function) ((Eina_Each_Cb)Function)
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|
|
|
/**
|
|
* @typedef Eina_Free_Cb
|
|
* A callback type used to free data when iterating over a container.
|
|
*/
|
|
typedef void (*Eina_Free_Cb)(void *data);
|
|
|
|
/**
|
|
* @def EINA_FREE_CB
|
|
* Macro to cast to Eina_Free_Cb.
|
|
*/
|
|
#define EINA_FREE_CB(Function) ((Eina_Free_Cb)Function)
|
|
|
|
/**
|
|
* @def EINA_C_ARRAY_LENGTH
|
|
* Macro to return the array length of a standard c array.
|
|
*
|
|
* For example:
|
|
* int foo[] = { 0, 1, 2, 3 };
|
|
* would return 4 and not 4 * sizeof(int).
|
|
*
|
|
* @since 1.2.0
|
|
*/
|
|
#define EINA_C_ARRAY_LENGTH(arr) (sizeof(arr) / sizeof((arr)[0]))
|
|
|
|
/**
|
|
* @def EINA_DOUBLE_EQUAL
|
|
* Macro to compare 2 double floating point values and deal with precision
|
|
* loss issues.
|
|
*
|
|
* @since 1.18
|
|
*/
|
|
#define EINA_DOUBLE_EQUAL(x, y) \
|
|
(fabs((x) - (y)) <= (2.2204460492503131e-16) * fabs((x)))
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* EINA_TYPES_H_ */
|