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android13/bionic/libc/include/android/api-level.h

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/*
* Copyright (C) 2008 The Android Open Source Project
* 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.
*
* 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.
*/
#pragma once
/**
* @defgroup apilevels API Levels
*
* Defines functions and constants for working with Android API levels.
* @{
*/
/**
* @file android/api-level.h
* @brief Functions and constants for dealing with multiple API levels.
*
* See
* https://android.googlesource.com/platform/bionic/+/master/docs/defines.md.
*/
#include <sys/cdefs.h>
__BEGIN_DECLS
/**
* Magic version number for an Android OS build which has not yet turned
* into an official release, for comparison against `__ANDROID_API__`. See
* https://android.googlesource.com/platform/bionic/+/master/docs/defines.md.
*/
#define __ANDROID_API_FUTURE__ 10000
/* This #ifndef should never be true except when doxygen is generating docs. */
#ifndef __ANDROID_API__
/**
* `__ANDROID_API__` is the [API
* level](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
* this code is being built for. The resulting binaries are only guaranteed to
* be compatible with devices which have an API level greater than or equal to
* `__ANDROID_API__`.
*
* For NDK and APEX builds, this macro will always be defined. It is set
* automatically by Clang using the version suffix that is a part of the target
* name. For example, `__ANDROID_API__` will be 24 when Clang is given the
* argument `-target aarch64-linux-android24`.
*
* For non-APEX OS code, this defaults to __ANDROID_API_FUTURE__.
*
* The value of `__ANDROID_API__` can be compared to the named constants in
* `<android/api-level.h>`.
*
* The interpretation of `__ANDROID_API__` is similar to the AndroidManifest.xml
* `minSdkVersion`. In most cases `__ANDROID_API__` will be identical to
* `minSdkVersion`, but as it is a build time constant it is possible for
* library code to use a different value than the app it will be included in.
* When libraries and applications build for different API levels, the
* `minSdkVersion` of the application must be at least as high as the highest
* API level used by any of its libraries which are loaded unconditionally.
*
* Note that in some cases the resulting binaries may load successfully on
* devices with an older API level. That behavior should not be relied upon,
* even if you are careful to avoid using new APIs, as the toolchain may make
* use of new features by default. For example, additional FORTIFY features may
* implicitly make use of new APIs, SysV hashes may be omitted in favor of GNU
* hashes to improve library load times, or relocation packing may be enabled to
* reduce binary size.
*
* See android_get_device_api_level(),
* android_get_application_target_sdk_version() and
* https://android.googlesource.com/platform/bionic/+/master/docs/defines.md.
*/
#define __ANDROID_API__ __ANDROID_API_FUTURE__
#endif
/** Names the Gingerbread API level (9), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_G__ 9
/** Names the Ice-Cream Sandwich API level (14), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_I__ 14
/** Names the Jellybean API level (16), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_J__ 16
/** Names the Jellybean MR1 API level (17), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_J_MR1__ 17
/** Names the Jellybean MR2 API level (18), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_J_MR2__ 18
/** Names the KitKat API level (19), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_K__ 19
/** Names the Lollipop API level (21), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_L__ 21
/** Names the Lollipop MR1 API level (22), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_L_MR1__ 22
/** Names the Marshmallow API level (23), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_M__ 23
/** Names the Nougat API level (24), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_N__ 24
/** Names the Nougat MR1 API level (25), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_N_MR1__ 25
/** Names the Oreo API level (26), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_O__ 26
/** Names the Oreo MR1 API level (27), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_O_MR1__ 27
/** Names the Pie API level (28), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_P__ 28
/**
* Names the "Q" API level (29), for comparison against `__ANDROID_API__`.
* This release was called Android 10 publicly, not to be (but sure to be)
* confused with API level 10.
*/
#define __ANDROID_API_Q__ 29
/** Names the "R" API level (30), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_R__ 30
/** Names the "S" API level (31), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_S__ 31
/** Names the "T" API level (33), for comparison against `__ANDROID_API__`. */
#define __ANDROID_API_T__ 33
/* This file is included in <features.h>, and might be used from .S files. */
#if !defined(__ASSEMBLY__)
/**
* Returns the `targetSdkVersion` of the caller, or `__ANDROID_API_FUTURE__` if
* there is no known target SDK version (for code not running in the context of
* an app).
*
* The returned values correspond to the named constants in `<android/api-level.h>`,
* and is equivalent to the AndroidManifest.xml `targetSdkVersion`.
*
* See also android_get_device_api_level().
*
* Available since API level 24.
*/
int android_get_application_target_sdk_version() __INTRODUCED_IN(24);
#if __ANDROID_API__ < 29
/* android_get_device_api_level is a static inline before API level 29. */
#define __BIONIC_GET_DEVICE_API_LEVEL_INLINE static __inline
#include <bits/get_device_api_level_inlines.h>
#undef __BIONIC_GET_DEVICE_API_LEVEL_INLINE
#else
/**
* Returns the API level of the device we're actually running on, or -1 on failure.
* The returned values correspond to the named constants in `<android/api-level.h>`,
* and is equivalent to the Java `Build.VERSION.SDK_INT` API.
*
* See also android_get_application_target_sdk_version().
*/
int android_get_device_api_level() __INTRODUCED_IN(29);
#endif
#endif /* defined(__ASSEMBLY__) */
__END_DECLS
/** @} */
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