/usr/include/android/log/logprint.h is in android-liblog-dev 1:6.0.1+r16-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _LOGPRINT_H
#define _LOGPRINT_H
#include <log/log.h>
#include <log/logger.h>
#include <log/event_tag_map.h>
#include <pthread.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
FORMAT_OFF = 0,
FORMAT_BRIEF,
FORMAT_PROCESS,
FORMAT_TAG,
FORMAT_THREAD,
FORMAT_RAW,
FORMAT_TIME,
FORMAT_THREADTIME,
FORMAT_LONG,
/* The following three are modifiers to above formats */
FORMAT_MODIFIER_COLOR, /* converts priority to color */
FORMAT_MODIFIER_TIME_USEC, /* switches from msec to usec time precision */
FORMAT_MODIFIER_PRINTABLE, /* converts non-printable to printable escapes */
} AndroidLogPrintFormat;
typedef struct AndroidLogFormat_t AndroidLogFormat;
typedef struct AndroidLogEntry_t {
time_t tv_sec;
long tv_nsec;
android_LogPriority priority;
int32_t pid;
int32_t tid;
const char * tag;
size_t messageLen;
const char * message;
} AndroidLogEntry;
AndroidLogFormat *android_log_format_new();
void android_log_format_free(AndroidLogFormat *p_format);
/* currently returns 0 if format is a modifier, 1 if not */
int android_log_setPrintFormat(AndroidLogFormat *p_format,
AndroidLogPrintFormat format);
/**
* Returns FORMAT_OFF on invalid string
*/
AndroidLogPrintFormat android_log_formatFromString(const char *s);
/**
* filterExpression: a single filter expression
* eg "AT:d"
*
* returns 0 on success and -1 on invalid expression
*
* Assumes single threaded execution
*
*/
int android_log_addFilterRule(AndroidLogFormat *p_format,
const char *filterExpression);
/**
* filterString: a whitespace-separated set of filter expressions
* eg "AT:d *:i"
*
* returns 0 on success and -1 on invalid expression
*
* Assumes single threaded execution
*
*/
int android_log_addFilterString(AndroidLogFormat *p_format,
const char *filterString);
/**
* returns 1 if this log line should be printed based on its priority
* and tag, and 0 if it should not
*/
int android_log_shouldPrintLine (
AndroidLogFormat *p_format, const char *tag, android_LogPriority pri);
/**
* Splits a wire-format buffer into an AndroidLogEntry
* entry allocated by caller. Pointers will point directly into buf
*
* Returns 0 on success and -1 on invalid wire format (entry will be
* in unspecified state)
*/
int android_log_processLogBuffer(struct logger_entry *buf,
AndroidLogEntry *entry);
/**
* Like android_log_processLogBuffer, but for binary logs.
*
* If "map" is non-NULL, it will be used to convert the log tag number
* into a string.
*/
int android_log_processBinaryLogBuffer(struct logger_entry *buf,
AndroidLogEntry *entry, const EventTagMap* map, char* messageBuf,
int messageBufLen);
/**
* Formats a log message into a buffer
*
* Uses defaultBuffer if it can, otherwise malloc()'s a new buffer
* If return value != defaultBuffer, caller must call free()
* Returns NULL on malloc error
*/
char *android_log_formatLogLine (
AndroidLogFormat *p_format,
char *defaultBuffer,
size_t defaultBufferSize,
const AndroidLogEntry *p_line,
size_t *p_outLength);
/**
* Either print or do not print log line, based on filter
*
* Assumes single threaded execution
*
*/
int android_log_printLogLine(
AndroidLogFormat *p_format,
int fd,
const AndroidLogEntry *entry);
#ifdef __cplusplus
}
#endif
#endif /*_LOGPRINT_H*/
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