1// Copyright (c) 2007, Google Inc. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above 11// copyright notice, this list of conditions and the following disclaimer 12// in the documentation and/or other materials provided with the 13// distribution. 14// * Neither the name of Google Inc. nor the names of its 15// contributors may be used to endorse or promote products derived from 16// this software without specific prior written permission. 17// 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30// logging.cc: Breakpad logging 31// 32// See logging.h for documentation. 33// 34// Author: Mark Mentovai 35 36#include <assert.h> 37#include <errno.h> 38#include <stdio.h> 39#include <string.h> 40#include <time.h> 41 42#include <string> 43 44#include "common/using_std_string.h" 45#include "processor/logging.h" 46#include "processor/pathname_stripper.h" 47 48#ifdef _WIN32 49#define snprintf _snprintf 50#endif 51 52namespace google_breakpad { 53 54LogStream::LogStream(std::ostream &stream, Severity severity, 55 const char *file, int line) 56 : stream_(stream) { 57 time_t clock; 58 time(&clock); 59 struct tm tm_struct; 60#ifdef _WIN32 61 localtime_s(&tm_struct, &clock); 62#else 63 localtime_r(&clock, &tm_struct); 64#endif 65 char time_string[20]; 66 strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", &tm_struct); 67 68 const char *severity_string = "UNKNOWN_SEVERITY"; 69 switch (severity) { 70 case SEVERITY_INFO: 71 severity_string = "INFO"; 72 break; 73 case SEVERITY_ERROR: 74 severity_string = "ERROR"; 75 break; 76 } 77 78 stream_ << time_string << ": " << PathnameStripper::File(file) << ":" << 79 line << ": " << severity_string << ": "; 80} 81 82LogStream::~LogStream() { 83 stream_ << std::endl; 84} 85 86string HexString(uint32_t number) { 87 char buffer[11]; 88 snprintf(buffer, sizeof(buffer), "0x%x", number); 89 return string(buffer); 90} 91 92string HexString(uint64_t number) { 93 char buffer[19]; 94 snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number); 95 return string(buffer); 96} 97 98string HexString(int number) { 99 char buffer[19]; 100 snprintf(buffer, sizeof(buffer), "0x%x", number); 101 return string(buffer); 102} 103 104int ErrnoString(string *error_string) { 105 assert(error_string); 106 107 // strerror isn't necessarily thread-safe. strerror_r would be preferrable, 108 // but GNU libc uses a nonstandard strerror_r by default, which returns a 109 // char* (rather than an int success indicator) and doesn't necessarily 110 // use the supplied buffer. 111 error_string->assign(strerror(errno)); 112 return errno; 113} 114 115} // namespace google_breakpad 116