platform_system_core/logd/LogUtils.h
Tom Cherry a515197266 logd: build liblogd and its test on host
Plus the various fixups needed for building on host.

Test: run these tests on host
Change-Id: I85e6c989068f80c5a80eaf5ad149fdad0a045c08
2020-05-18 15:54:06 -07:00

66 lines
2 KiB
C++

/*
* Copyright (C) 2012-2015 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.
*/
#pragma once
#include <sys/cdefs.h>
#include <sys/types.h>
#include <private/android_logger.h>
#include <sysutils/SocketClient.h>
#include <utils/FastStrcmp.h>
// Hijack this header as a common include file used by most all sources
// to report some utilities defined here and there.
namespace android {
// Furnished in main.cpp. Caller must own and free returned value
char* uidToName(uid_t uid);
void prdebug(const char* fmt, ...) __attribute__((__format__(printf, 1, 2)));
// Caller must own and free returned value
char* pidToName(pid_t pid);
char* tidToName(pid_t tid);
// Furnished in LogTags.cpp. Thread safe.
const char* tagToName(uint32_t tag);
// Furnished by LogKlog.cpp
char* log_strntok_r(char* s, ssize_t& len, char*& saveptr, ssize_t& sublen);
// needle should reference a string longer than 1 character
static inline const char* strnstr(const char* s, ssize_t len,
const char* needle) {
if (len <= 0) return nullptr;
const char c = *needle++;
const size_t needleLen = strlen(needle);
do {
do {
if (len <= (ssize_t)needleLen) return nullptr;
--len;
} while (*s++ != c);
} while (fastcmp<memcmp>(s, needle, needleLen));
s--;
return s;
}
}
static inline bool worstUidEnabledForLogid(log_id_t id) {
return (id == LOG_ID_MAIN) || (id == LOG_ID_SYSTEM) ||
(id == LOG_ID_RADIO) || (id == LOG_ID_EVENTS);
}