1*9712c20fSFrederick Mayle // Copyright 2012 Google LLC 2*9712c20fSFrederick Mayle // 3*9712c20fSFrederick Mayle // Redistribution and use in source and binary forms, with or without 4*9712c20fSFrederick Mayle // modification, are permitted provided that the following conditions are 5*9712c20fSFrederick Mayle // met: 6*9712c20fSFrederick Mayle // 7*9712c20fSFrederick Mayle // * Redistributions of source code must retain the above copyright 8*9712c20fSFrederick Mayle // notice, this list of conditions and the following disclaimer. 9*9712c20fSFrederick Mayle // * Redistributions in binary form must reproduce the above 10*9712c20fSFrederick Mayle // copyright notice, this list of conditions and the following disclaimer 11*9712c20fSFrederick Mayle // in the documentation and/or other materials provided with the 12*9712c20fSFrederick Mayle // distribution. 13*9712c20fSFrederick Mayle // * Neither the name of Google LLC nor the names of its 14*9712c20fSFrederick Mayle // contributors may be used to endorse or promote products derived from 15*9712c20fSFrederick Mayle // this software without specific prior written permission. 16*9712c20fSFrederick Mayle // 17*9712c20fSFrederick Mayle // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*9712c20fSFrederick Mayle // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*9712c20fSFrederick Mayle // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*9712c20fSFrederick Mayle // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*9712c20fSFrederick Mayle // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*9712c20fSFrederick Mayle // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*9712c20fSFrederick Mayle // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*9712c20fSFrederick Mayle // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*9712c20fSFrederick Mayle // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*9712c20fSFrederick Mayle // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*9712c20fSFrederick Mayle // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*9712c20fSFrederick Mayle 29*9712c20fSFrederick Mayle #ifndef CLIENT_LINUX_LOG_LOG_H_ 30*9712c20fSFrederick Mayle #define CLIENT_LINUX_LOG_LOG_H_ 31*9712c20fSFrederick Mayle 32*9712c20fSFrederick Mayle #include <stddef.h> 33*9712c20fSFrederick Mayle 34*9712c20fSFrederick Mayle namespace logger { 35*9712c20fSFrederick Mayle 36*9712c20fSFrederick Mayle int write(const char* buf, size_t nbytes); 37*9712c20fSFrederick Mayle 38*9712c20fSFrederick Mayle // In the case of Android the log can be written to the default system log 39*9712c20fSFrederick Mayle // (default behavior of write() above, or to the crash log (see 40*9712c20fSFrederick Mayle // writeToCrashLog() below). 41*9712c20fSFrederick Mayle #if defined(__ANDROID__) 42*9712c20fSFrederick Mayle 43*9712c20fSFrederick Mayle // The logger must be initialized in a non-compromised context. 44*9712c20fSFrederick Mayle void initializeCrashLogWriter(); 45*9712c20fSFrederick Mayle 46*9712c20fSFrederick Mayle // Once initialized, writeToCrashLog is safe to use in a compromised context, 47*9712c20fSFrederick Mayle // even if the initialization failed, in which case this will silently fall 48*9712c20fSFrederick Mayle // back on write(). 49*9712c20fSFrederick Mayle int writeToCrashLog(const char* buf); 50*9712c20fSFrederick Mayle #endif 51*9712c20fSFrederick Mayle 52*9712c20fSFrederick Mayle } // namespace logger 53*9712c20fSFrederick Mayle 54*9712c20fSFrederick Mayle #endif // CLIENT_LINUX_LOG_LOG_H_ 55