sync code with last improvements from OpenBSD
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commit
88965415ff
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26235 changed files with 29195616 additions and 0 deletions
378
lib/mesa/include/android_stub/log/log_main.h
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378
lib/mesa/include/android_stub/log/log_main.h
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/*
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* Copyright (C) 2005-2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdbool.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <android/log.h>
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__BEGIN_DECLS
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/*
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* Normally we strip the effects of ALOGV (VERBOSE messages),
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* LOG_FATAL and LOG_FATAL_IF (FATAL assert messages) from the
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* release builds be defining NDEBUG. You can modify this (for
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* example with "#define LOG_NDEBUG 0" at the top of your source
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* file) to change that behavior.
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*/
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#ifndef LOG_NDEBUG
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#ifdef NDEBUG
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#define LOG_NDEBUG 1
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#else
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#define LOG_NDEBUG 0
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#endif
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#endif
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/* --------------------------------------------------------------------- */
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/*
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* This file uses ", ## __VA_ARGS__" zero-argument token pasting to
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* work around issues with debug-only syntax errors in assertions
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* that are missing format strings. See commit
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* 19299904343daf191267564fe32e6cd5c165cd42
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*/
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#if defined(__clang__)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
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#endif
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/*
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* Use __VA_ARGS__ if running a static analyzer,
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* to avoid warnings of unused variables in __VA_ARGS__.
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* Use constexpr function in C++ mode, so these macros can be used
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* in other constexpr functions without warning.
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*/
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#ifdef __clang_analyzer__
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#ifdef __cplusplus
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extern "C++" {
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template <typename... Ts>
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constexpr int __fake_use_va_args(Ts...) {
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return 0;
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}
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}
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#else
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extern int __fake_use_va_args(int, ...);
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#endif /* __cplusplus */
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#define __FAKE_USE_VA_ARGS(...) ((void)__fake_use_va_args(0, ##__VA_ARGS__))
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#else
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#define __FAKE_USE_VA_ARGS(...) ((void)(0))
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#endif /* __clang_analyzer__ */
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#ifndef __predict_false
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#define __predict_false(exp) __builtin_expect((exp) != 0, 0)
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#endif
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#define android_writeLog(prio, tag, text) __android_log_write(prio, tag, text)
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#define android_printLog(prio, tag, ...) \
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__android_log_print(prio, tag, __VA_ARGS__)
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#define android_vprintLog(prio, cond, tag, ...) \
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__android_log_vprint(prio, tag, __VA_ARGS__)
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/*
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* Log macro that allows you to specify a number for the priority.
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*/
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#ifndef LOG_PRI
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#define LOG_PRI(priority, tag, ...) android_printLog(priority, tag, __VA_ARGS__)
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#endif
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/*
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* Log macro that allows you to pass in a varargs ("args" is a va_list).
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*/
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#ifndef LOG_PRI_VA
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#define LOG_PRI_VA(priority, tag, fmt, args) \
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android_vprintLog(priority, NULL, tag, fmt, args)
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#endif
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/* --------------------------------------------------------------------- */
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/* XXX Macros to work around syntax errors in places where format string
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* arg is not passed to ALOG_ASSERT, LOG_ALWAYS_FATAL or LOG_ALWAYS_FATAL_IF
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* (happens only in debug builds).
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*/
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/* Returns 2nd arg. Used to substitute default value if caller's vararg list
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* is empty.
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*/
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#define __android_second(dummy, second, ...) second
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/* If passed multiple args, returns ',' followed by all but 1st arg, otherwise
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* returns nothing.
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*/
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#define __android_rest(first, ...) , ##__VA_ARGS__
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#define android_printAssert(cond, tag, ...) \
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__android_log_assert(cond, tag, \
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__android_second(0, ##__VA_ARGS__, NULL) \
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__android_rest(__VA_ARGS__))
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/*
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* Log a fatal error. If the given condition fails, this stops program
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* execution like a normal assertion, but also generating the given message.
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* It is NOT stripped from release builds. Note that the condition test
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* is -inverted- from the normal assert() semantics.
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*/
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#ifndef LOG_ALWAYS_FATAL_IF
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#define LOG_ALWAYS_FATAL_IF(cond, ...) \
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((__predict_false(cond)) ? (__FAKE_USE_VA_ARGS(__VA_ARGS__), \
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((void)android_printAssert(#cond, LOG_TAG, ##__VA_ARGS__))) \
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: ((void)0))
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#endif
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#ifndef LOG_ALWAYS_FATAL
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#define LOG_ALWAYS_FATAL(...) \
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(((void)android_printAssert(NULL, LOG_TAG, ##__VA_ARGS__)))
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#endif
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/*
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* Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that
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* are stripped out of release builds.
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*/
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#if LOG_NDEBUG
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#ifndef LOG_FATAL_IF
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#define LOG_FATAL_IF(cond, ...) __FAKE_USE_VA_ARGS(__VA_ARGS__)
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#endif
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#ifndef LOG_FATAL
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#define LOG_FATAL(...) __FAKE_USE_VA_ARGS(__VA_ARGS__)
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#endif
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#else
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#ifndef LOG_FATAL_IF
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#define LOG_FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, ##__VA_ARGS__)
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#endif
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#ifndef LOG_FATAL
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#define LOG_FATAL(...) LOG_ALWAYS_FATAL(__VA_ARGS__)
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#endif
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#endif
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/*
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* Assertion that generates a log message when the assertion fails.
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* Stripped out of release builds. Uses the current LOG_TAG.
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*/
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#ifndef ALOG_ASSERT
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#define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ##__VA_ARGS__)
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#endif
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/* --------------------------------------------------------------------- */
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/*
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* C/C++ logging functions. See the logging documentation for API details.
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*
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* We'd like these to be available from C code (in case we import some from
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* somewhere), so this has a C interface.
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*
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* The output will be correct when the log file is shared between multiple
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* threads and/or multiple processes so long as the operating system
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* supports O_APPEND. These calls have mutex-protected data structures
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* and so are NOT reentrant. Do not use LOG in a signal handler.
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*/
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/* --------------------------------------------------------------------- */
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/*
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* Simplified macro to send a verbose log message using the current LOG_TAG.
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*/
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#ifndef ALOGV
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#define __ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
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#if LOG_NDEBUG
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#define ALOGV(...) \
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do { \
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__FAKE_USE_VA_ARGS(__VA_ARGS__); \
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if (false) { \
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__ALOGV(__VA_ARGS__); \
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} \
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} while (false)
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#else
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#define ALOGV(...) __ALOGV(__VA_ARGS__)
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#endif
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#endif
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#ifndef ALOGV_IF
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#if LOG_NDEBUG
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#define ALOGV_IF(cond, ...) __FAKE_USE_VA_ARGS(__VA_ARGS__)
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#else
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#define ALOGV_IF(cond, ...) \
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((__predict_false(cond)) \
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? (__FAKE_USE_VA_ARGS(__VA_ARGS__), (void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
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: ((void)0))
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#endif
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#endif
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/*
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* Simplified macro to send a debug log message using the current LOG_TAG.
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*/
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#ifndef ALOGD
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#define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGD_IF
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#define ALOGD_IF(cond, ...) \
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((__predict_false(cond)) \
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? (__FAKE_USE_VA_ARGS(__VA_ARGS__), (void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
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: ((void)0))
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#endif
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/*
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* Simplified macro to send an info log message using the current LOG_TAG.
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*/
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#ifndef ALOGI
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#define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGI_IF
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#define ALOGI_IF(cond, ...) \
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((__predict_false(cond)) \
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? (__FAKE_USE_VA_ARGS(__VA_ARGS__), (void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) \
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: ((void)0))
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#endif
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/*
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* Simplified macro to send a warning log message using the current LOG_TAG.
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*/
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#ifndef ALOGW
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#define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGW_IF
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#define ALOGW_IF(cond, ...) \
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((__predict_false(cond)) \
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? (__FAKE_USE_VA_ARGS(__VA_ARGS__), (void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) \
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: ((void)0))
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#endif
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/*
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* Simplified macro to send an error log message using the current LOG_TAG.
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*/
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#ifndef ALOGE
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#define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGE_IF
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#define ALOGE_IF(cond, ...) \
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((__predict_false(cond)) \
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? (__FAKE_USE_VA_ARGS(__VA_ARGS__), (void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
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: ((void)0))
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#endif
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/* --------------------------------------------------------------------- */
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* verbose priority.
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*/
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#ifndef IF_ALOGV
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#if LOG_NDEBUG
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#define IF_ALOGV() if (false)
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#else
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#define IF_ALOGV() IF_ALOG(LOG_VERBOSE, LOG_TAG)
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#endif
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* debug priority.
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*/
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#ifndef IF_ALOGD
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#define IF_ALOGD() IF_ALOG(LOG_DEBUG, LOG_TAG)
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* info priority.
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*/
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#ifndef IF_ALOGI
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#define IF_ALOGI() IF_ALOG(LOG_INFO, LOG_TAG)
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* warn priority.
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*/
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#ifndef IF_ALOGW
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#define IF_ALOGW() IF_ALOG(LOG_WARN, LOG_TAG)
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* error priority.
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*/
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#ifndef IF_ALOGE
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#define IF_ALOGE() IF_ALOG(LOG_ERROR, LOG_TAG)
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#endif
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/* --------------------------------------------------------------------- */
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/*
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* Basic log message macro.
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*
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* Example:
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* ALOG(LOG_WARN, NULL, "Failed with error %d", errno);
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*
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* The second argument may be NULL or "" to indicate the "global" tag.
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*/
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#ifndef ALOG
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#define ALOG(priority, tag, ...) LOG_PRI(ANDROID_##priority, tag, __VA_ARGS__)
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#endif
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/*
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* Conditional given a desired logging priority and tag.
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*/
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#ifndef IF_ALOG
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#define IF_ALOG(priority, tag) if (android_testLog(ANDROID_##priority, tag))
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#endif
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/* --------------------------------------------------------------------- */
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/*
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* IF_ALOG uses android_testLog, but IF_ALOG can be overridden.
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* android_testLog will remain constant in its purpose as a wrapper
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* for Android logging filter policy, and can be subject to
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* change. It can be reused by the developers that override
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* IF_ALOG as a convenient means to reimplement their policy
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* over Android.
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*/
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/*
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* Use the per-tag properties "log.tag.<tagname>" to generate a runtime
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* result of non-zero to expose a log. prio is ANDROID_LOG_VERBOSE to
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* ANDROID_LOG_FATAL. default_prio if no property. Undefined behavior if
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* any other value.
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*/
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int __android_log_is_loggable(int prio, const char* tag, int default_prio);
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int __android_log_is_loggable_len(int prio, const char* tag, size_t len, int default_prio);
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#if LOG_NDEBUG /* Production */
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#define android_testLog(prio, tag) \
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(__android_log_is_loggable_len(prio, tag, (tag) ? strlen(tag) : 0, ANDROID_LOG_DEBUG) != 0)
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#else
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#define android_testLog(prio, tag) \
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(__android_log_is_loggable_len(prio, tag, (tag) ? strlen(tag) : 0, ANDROID_LOG_VERBOSE) != 0)
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#endif
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#if defined(__clang__)
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#pragma clang diagnostic pop
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#endif
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__END_DECLS
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