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/*
* API versioning definitions for CUPS.
*
* Copyright © 2007-2019 by Apple Inc.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
#ifndef _CUPS_VERSIONING_H_
# define _CUPS_VERSIONING_H_
/*
* This header defines several macros that add compiler-specific attributes for
* functions:
*
* - _CUPS_API_major_minor[_patch]: Specifies when an API became available by
* CUPS version.
* - _CUPS_DEPRECATED: Function is deprecated with no replacement.
* - _CUPS_DEPRECATED_MSG("message"): Function is deprecated and has a
* replacement.
* - _CUPS_FORMAT(format-index, additional-args-index): Function has a
* printf-style format argument followed by zero or more additional
* arguments. Indices start at 1.
* - _CUPS_INTERNAL: Function is internal with no replacement API.
* - _CUPS_INTERNAL_MSG("msg"): Function is internal - use specified API
* instead.
* - _CUPS_NONNULL((arg list)): Specifies the comma-separated argument indices
* are assumed non-NULL. Indices start at 1.
* - _CUPS_NORETURN: Specifies the function does not return.
* - _CUPS_PRIVATE: Specifies the function is private to CUPS.
* - _CUPS_PUBLIC: Specifies the function is public API.
*/
/*
* Determine which compiler is being used and what annotation features are
* available...
*/
# ifdef __APPLE__
# include <os/availability.h>
# endif /* __APPLE__ */
# ifdef __has_extension /* Clang */
# define _CUPS_HAS_DEPRECATED
# define _CUPS_HAS_FORMAT
# define _CUPS_HAS_NORETURN
# define _CUPS_HAS_VISIBILITY
# if __has_extension(attribute_deprecated_with_message)
# define _CUPS_HAS_DEPRECATED_WITH_MESSAGE
# endif
# if __has_extension(attribute_unavailable_with_message)
# define _CUPS_HAS_UNAVAILABLE_WITH_MESSAGE
# endif
# elif defined(__GNUC__) /* GCC and compatible */
# if __GNUC__ >= 3 /* GCC 3.0 or higher */
# define _CUPS_HAS_DEPRECATED
# define _CUPS_HAS_FORMAT
# define _CUPS_HAS_NORETURN
# define _CUPS_HAS_VISIBILITY
# endif /* __GNUC__ >= 3 */
# if __GNUC__ >= 5 /* GCC 5.x */
# define _CUPS_HAS_DEPRECATED_WITH_MESSAGE
# elif __GNUC__ == 4 && __GNUC_MINOR__ >= 5
/* GCC 4.5 or higher */
# define _CUPS_HAS_DEPRECATED_WITH_MESSAGE
# endif /* __GNUC__ >= 5 */
# elif defined(_WIN32)
# define __attribute__(...)
# endif /* __has_extension */
/*
* Define _CUPS_INTERNAL, _CUPS_PRIVATE, and _CUPS_PUBLIC visibilty macros for
* internal/private/public functions...
*/
# ifdef _CUPS_HAS_VISIBILITY
# define _CUPS_INTERNAL __attribute__ ((visibility("hidden")))
# define _CUPS_PRIVATE __attribute__ ((visibility("default")))
# define _CUPS_PUBLIC __attribute__ ((visibility("default")))
# elif defined(_WIN32) && defined(LIBCUPS2_EXPORTS) && 0
# define _CUPS_INTERNAL
# define _CUPS_PRIVATE __declspec(dllexport)
# define _CUPS_PUBLIC __declspec(dllexport)
# else
# define _CUPS_INTERNAL
# define _CUPS_PRIVATE
# define _CUPS_PUBLIC
# endif /* _CUPS_HAS_VISIBILITY */
/*
* Define _CUPS_API_major_minor[_patch] availability macros for CUPS.
*
* Note: Using any of the _CUPS_API macros automatically adds _CUPS_PUBLIC.
*/
# if defined(__APPLE__) && !defined(_CUPS_SOURCE) && TARGET_OS_OSX
/*
* On Apple operating systems, the _CUPS_API_* constants are defined using the
* API_ macros in <os/availability.h>.
*
* On iOS, we don't actually have libcups available directly, but the supplied
* libcups_static target in the Xcode project supports building on iOS 11.0 and
* later.
*/
# define _CUPS_API_1_1_19 API_AVAILABLE(macos(10.3), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_1_20 API_AVAILABLE(macos(10.4), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_1_21 API_AVAILABLE(macos(10.4), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_2 API_AVAILABLE(macos(10.5), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_3 API_AVAILABLE(macos(10.5), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_4 API_AVAILABLE(macos(10.6), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_5 API_AVAILABLE(macos(10.7), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_6 API_AVAILABLE(macos(10.8), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_1_7 API_AVAILABLE(macos(10.9), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_2_0 API_AVAILABLE(macos(10.10), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_2_2 API_AVAILABLE(macos(10.12), ios(11.0)) _CUPS_PUBLIC
# define _CUPS_API_2_2_4 API_AVAILABLE(macos(10.13), ios(12.0)) _CUPS_PUBLIC
# define _CUPS_API_2_2_7 API_AVAILABLE(macos(10.14), ios(13.0)) _CUPS_PUBLIC
# define _CUPS_API_2_3 API_AVAILABLE(macos(10.14), ios(13.0)) _CUPS_PUBLIC
# else
# define _CUPS_API_1_1_19 _CUPS_PUBLIC
# define _CUPS_API_1_1_20 _CUPS_PUBLIC
# define _CUPS_API_1_1_21 _CUPS_PUBLIC
# define _CUPS_API_1_2 _CUPS_PUBLIC
# define _CUPS_API_1_3 _CUPS_PUBLIC
# define _CUPS_API_1_4 _CUPS_PUBLIC
# define _CUPS_API_1_5 _CUPS_PUBLIC
# define _CUPS_API_1_6 _CUPS_PUBLIC
# define _CUPS_API_1_7 _CUPS_PUBLIC
# define _CUPS_API_2_0 _CUPS_PUBLIC
# define _CUPS_API_2_2 _CUPS_PUBLIC
# define _CUPS_API_2_2_4 _CUPS_PUBLIC
# define _CUPS_API_2_2_7 _CUPS_PUBLIC
# define _CUPS_API_2_3 _CUPS_PUBLIC
# endif /* __APPLE__ && !_CUPS_SOURCE */
/*
* Define _CUPS_DEPRECATED and _CUPS_INTERNAL macros to mark old APIs as
* "deprecated" or "unavailable" with messages so you get warnings/errors are
* compile-time...
*
* Note: Using any of the _CUPS_DEPRECATED macros automatically adds
* _CUPS_PUBLIC.
*/
# if !defined(_CUPS_HAS_DEPRECATED) || (defined(_CUPS_SOURCE) && !defined(_CUPS_NO_DEPRECATED))
/*
* Don't mark functions deprecated if the compiler doesn't support it
* or we are building CUPS source that doesn't care.
*/
# define _CUPS_DEPRECATED _CUPS_PUBLIC
# define _CUPS_DEPRECATED_MSG(m) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_2_MSG(m) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_6_MSG(m) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_7_MSG(m) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_2_2_MSG(m) _CUPS_PUBLIC
# elif defined(__APPLE__) && defined(_CUPS_NO_DEPRECATED)
/*
* Compiler supports the unavailable attribute, so use it when the code
* wants to exclude the use of deprecated API.
*/
# define _CUPS_DEPRECATED __attribute__ ((unavailable)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_2_MSG(m) API_DEPRECATED(m, macos(10.2,10.5), ios(11.0,11.0)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_6_MSG(m) API_DEPRECATED(m, macos(10.2,10.8), ios(11.0,11.0)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_7_MSG(m) API_DEPRECATED(m, macos(10.2,10.9), ios(11.0,11.0)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_2_2_MSG(m) API_DEPRECATED(m, macos(10.2,10.12), ios(11.0,11.0)) _CUPS_PUBLIC
# elif defined(__APPLE__)
/*
* Just mark things as deprecated...
*/
# define _CUPS_DEPRECATED __attribute__ ((deprecated)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_2_MSG(m) API_DEPRECATED(m, macos(10.2,10.5), ios(11.0,11.0)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_6_MSG(m) API_DEPRECATED(m, macos(10.2,10.8), ios(11.0,11.0)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_7_MSG(m) API_DEPRECATED(m, macos(10.2,10.9), ios(11.0,11.0)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_2_2_MSG(m) API_DEPRECATED(m, macos(10.2,10.12), ios(11.0,11.0)) _CUPS_PUBLIC
# elif defined(_CUPS_HAS_UNAVAILABLE_WITH_MESSAGE) && defined(_CUPS_NO_DEPRECATED)
/*
* Compiler supports the unavailable attribute, so use it when the code
* wants to exclude the use of deprecated API.
*/
# define _CUPS_DEPRECATED __attribute__ ((unavailable)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_2_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_6_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_7_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_2_2_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# else
/*
* Compiler supports the deprecated attribute, so use it.
*/
# define _CUPS_DEPRECATED __attribute__ ((deprecated)) _CUPS_PUBLIC
# ifdef _CUPS_HAS_DEPRECATED_WITH_MESSAGE
# define _CUPS_DEPRECATED_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_2_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_6_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_7_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_2_2_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# else
# define _CUPS_DEPRECATED_MSG(m) __attribute__ ((deprecated)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_2_MSG(m) __attribute__ ((deprecated)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_6_MSG(m) __attribute__ ((deprecated)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_1_7_MSG(m) __attribute__ ((deprecated)) _CUPS_PUBLIC
# define _CUPS_DEPRECATED_2_2_MSG(m) __attribute__ ((deprecated)) _CUPS_PUBLIC
# endif /* _CUPS_HAS_DEPRECATED_WITH_MESSAGE */
# endif /* !_CUPS_HAS_DEPRECATED || (_CUPS_SOURCE && !_CUPS_NO_DEPRECATED) */
/*
* Define _CUPS_FORMAT macro for printf-style functions...
*/
# ifdef _CUPS_HAS_FORMAT
# define _CUPS_FORMAT(a,b) __attribute__ ((__format__(__printf__, a,b)))
# else
# define _CUPS_FORMAT(a,b)
# endif /* _CUPS_HAS_FORMAT */
/*
* Define _CUPS_INTERNAL_MSG macro for private APIs that have (historical)
* public visibility.
*
* Note: Using the _CUPS_INTERNAL_MSG macro automatically adds _CUPS_PUBLIC.
*/
# ifdef _CUPS_SOURCE
# define _CUPS_INTERNAL_MSG(m) _CUPS_PUBLIC
# elif defined(_CUPS_HAS_UNAVAILABLE_WITH_MESSAGE)
# define _CUPS_INTERNAL_MSG(m) __attribute__ ((unavailable(m))) _CUPS_PUBLIC
# elif defined(_CUPS_HAS_DEPRECATED_WITH_MESSAGE)
# define _CUPS_INTERNAL_MSG(m) __attribute__ ((deprecated(m))) _CUPS_PUBLIC
# else
# define _CUPS_INTERNAL_MSG(m) __attribute__ ((deprecated)) _CUPS_PUBLIC
# endif /* _CUPS_SOURCE */
/*
* Define _CUPS_NONNULL macro for functions that don't expect non-null
* arguments...
*/
# ifdef _CUPS_HAS_NONNULL
# define _CUPS_NONNULL(...) __attribute__ ((nonnull(__VA_ARGS__)))
# else
# define _CUPS_NONNULL(...)
# endif /* _CUPS_HAS_FORMAT */
/*
* Define _CUPS_NORETURN macro for functions that don't return.
*/
# ifdef _CUPS_HAS_NORETURN
# define _CUPS_NORETURN __attribute__ ((noreturn))
# else
# define _CUPS_NORETURN
# endif /* _CUPS_HAS_NORETURN */
#endif /* !_CUPS_VERSIONING_H_ */
|
