1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/logging.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,139 @@
1.4 +// Copyright (c) 2007, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +// logging.cc: Breakpad logging
1.34 +//
1.35 +// See logging.h for documentation.
1.36 +//
1.37 +// Author: Mark Mentovai
1.38 +
1.39 +#include <assert.h>
1.40 +#include <errno.h>
1.41 +#include <stdio.h>
1.42 +#include <string.h>
1.43 +#include <time.h>
1.44 +
1.45 +#include <string>
1.46 +
1.47 +#include "common/using_std_string.h"
1.48 +#include "common/logging.h"
1.49 +#include "common/pathname_stripper.h"
1.50 +
1.51 +#ifdef _WIN32
1.52 +#define snprintf _snprintf
1.53 +#endif
1.54 +
1.55 +#ifdef __ANDROID__
1.56 +# include <android/log.h>
1.57 +#endif
1.58 +
1.59 +namespace google_breakpad {
1.60 +
1.61 +LogStream::LogStream(std::ostream &stream, Severity severity,
1.62 + const char *file, int line)
1.63 + : stream_(stream) {
1.64 + time_t clock;
1.65 + time(&clock);
1.66 + struct tm tm_struct;
1.67 +#ifdef _WIN32
1.68 + localtime_s(&tm_struct, &clock);
1.69 +#else
1.70 + localtime_r(&clock, &tm_struct);
1.71 +#endif
1.72 + char time_string[20];
1.73 + strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", &tm_struct);
1.74 +
1.75 + const char *severity_string = "UNKNOWN_SEVERITY";
1.76 + switch (severity) {
1.77 + case SEVERITY_INFO:
1.78 + severity_string = "INFO";
1.79 + break;
1.80 + case SEVERITY_ERROR:
1.81 + severity_string = "ERROR";
1.82 + break;
1.83 + }
1.84 +
1.85 + str_ << time_string << ": " << PathnameStripper::File(file) << ":" <<
1.86 + line << ": " << severity_string << ": ";
1.87 +}
1.88 +
1.89 +LogStream::~LogStream() {
1.90 +#ifdef __ANDROID__
1.91 + __android_log_print(ANDROID_LOG_ERROR,
1.92 + "Profiler", "%s", str_.str().c_str());
1.93 +#else
1.94 + stream_ << str_.str();
1.95 + stream_ << std::endl;
1.96 +#endif
1.97 +}
1.98 +
1.99 +string HexString(uint32_t number) {
1.100 + char buffer[11];
1.101 + snprintf(buffer, sizeof(buffer), "0x%x", number);
1.102 + return string(buffer);
1.103 +}
1.104 +
1.105 +string HexString(uint64_t number) {
1.106 + char buffer[19];
1.107 + snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
1.108 + return string(buffer);
1.109 +}
1.110 +
1.111 +string HexString(int number) {
1.112 + char buffer[19];
1.113 + snprintf(buffer, sizeof(buffer), "0x%x", number);
1.114 + return string(buffer);
1.115 +}
1.116 +
1.117 +int ErrnoString(string *error_string) {
1.118 + assert(error_string);
1.119 +
1.120 + // strerror isn't necessarily thread-safe. strerror_r would be preferrable,
1.121 + // but GNU libc uses a nonstandard strerror_r by default, which returns a
1.122 + // char* (rather than an int success indicator) and doesn't necessarily
1.123 + // use the supplied buffer.
1.124 + error_string->assign(strerror(errno));
1.125 + return errno;
1.126 +}
1.127 +
1.128 +} // namespace google_breakpad
1.129 +
1.130 +bool is_power_of_2(uint64_t x_in)
1.131 +{
1.132 + uint64_t x = x_in;
1.133 + x = x | (x >> 1);
1.134 + x = x | (x >> 2);
1.135 + x = x | (x >> 4);
1.136 + x = x | (x >> 8);
1.137 + x = x | (x >> 16);
1.138 + x = x | (x >> 32);
1.139 + x = x - (x >> 1);
1.140 + // x has now been rounded down to the nearest power of 2 <= x_in.
1.141 + return x == x_in;
1.142 +}
