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comparison: toolkit/crashreporter/google-breakpad/src/common/logging.cc
toolkit/crashreporter/google-breakpad/src/common/logging.cc
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| 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 "common/logging.h" | |
| 46 #include "common/pathname_stripper.h" | |
| 47 | |
| 48 #ifdef _WIN32 | |
| 49 #define snprintf _snprintf | |
| 50 #endif | |
| 51 | |
| 52 #ifdef __ANDROID__ | |
| 53 # include <android/log.h> | |
| 54 #endif | |
| 55 | |
| 56 namespace google_breakpad { | |
| 57 | |
| 58 LogStream::LogStream(std::ostream &stream, Severity severity, | |
| 59 const char *file, int line) | |
| 60 : stream_(stream) { | |
| 61 time_t clock; | |
| 62 time(&clock); | |
| 63 struct tm tm_struct; | |
| 64 #ifdef _WIN32 | |
| 65 localtime_s(&tm_struct, &clock); | |
| 66 #else | |
| 67 localtime_r(&clock, &tm_struct); | |
| 68 #endif | |
| 69 char time_string[20]; | |
| 70 strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", &tm_struct); | |
| 71 | |
| 72 const char *severity_string = "UNKNOWN_SEVERITY"; | |
| 73 switch (severity) { | |
| 74 case SEVERITY_INFO: | |
| 75 severity_string = "INFO"; | |
| 76 break; | |
| 77 case SEVERITY_ERROR: | |
| 78 severity_string = "ERROR"; | |
| 79 break; | |
| 80 } | |
| 81 | |
| 82 str_ << time_string << ": " << PathnameStripper::File(file) << ":" << | |
| 83 line << ": " << severity_string << ": "; | |
| 84 } | |
| 85 | |
| 86 LogStream::~LogStream() { | |
| 87 #ifdef __ANDROID__ | |
| 88 __android_log_print(ANDROID_LOG_ERROR, | |
| 89 "Profiler", "%s", str_.str().c_str()); | |
| 90 #else | |
| 91 stream_ << str_.str(); | |
| 92 stream_ << std::endl; | |
| 93 #endif | |
| 94 } | |
| 95 | |
| 96 string HexString(uint32_t number) { | |
| 97 char buffer[11]; | |
| 98 snprintf(buffer, sizeof(buffer), "0x%x", number); | |
| 99 return string(buffer); | |
| 100 } | |
| 101 | |
| 102 string HexString(uint64_t number) { | |
| 103 char buffer[19]; | |
| 104 snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number); | |
| 105 return string(buffer); | |
| 106 } | |
| 107 | |
| 108 string HexString(int number) { | |
| 109 char buffer[19]; | |
| 110 snprintf(buffer, sizeof(buffer), "0x%x", number); | |
| 111 return string(buffer); | |
| 112 } | |
| 113 | |
| 114 int ErrnoString(string *error_string) { | |
| 115 assert(error_string); | |
| 116 | |
| 117 // strerror isn't necessarily thread-safe. strerror_r would be preferrable, | |
| 118 // but GNU libc uses a nonstandard strerror_r by default, which returns a | |
| 119 // char* (rather than an int success indicator) and doesn't necessarily | |
| 120 // use the supplied buffer. | |
| 121 error_string->assign(strerror(errno)); | |
| 122 return errno; | |
| 123 } | |
| 124 | |
| 125 } // namespace google_breakpad | |
| 126 | |
| 127 bool is_power_of_2(uint64_t x_in) | |
| 128 { | |
| 129 uint64_t x = x_in; | |
| 130 x = x | (x >> 1); | |
| 131 x = x | (x >> 2); | |
| 132 x = x | (x >> 4); | |
| 133 x = x | (x >> 8); | |
| 134 x = x | (x >> 16); | |
| 135 x = x | (x >> 32); | |
| 136 x = x - (x >> 1); | |
| 137 // x has now been rounded down to the nearest power of 2 <= x_in. | |
| 138 return x == x_in; | |
| 139 } |
