1 // Copyright 2007 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 // * Neither the name of Google LLC nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 // logging.cc: Breakpad logging
30 //
31 // See logging.h for documentation.
32 //
33 // Author: Mark Mentovai
34
35 #ifdef HAVE_CONFIG_H
36 #include <config.h> // Must come first
37 #endif
38
39 #include <assert.h>
40 #include <errno.h>
41 #include <string.h>
42 #include <time.h>
43
44 #include <string>
45
46 #include "common/stdio_wrapper.h"
47 #include "common/using_std_string.h"
48 #include "processor/logging.h"
49 #include "processor/pathname_stripper.h"
50
51 namespace google_breakpad {
52
LogStream(std::ostream & stream,Severity severity,const char * file,int line)53 LogStream::LogStream(std::ostream& stream, Severity severity,
54 const char* file, int line)
55 : stream_(stream) {
56 time_t clock;
57 time(&clock);
58 struct tm tm_struct;
59 #ifdef _WIN32
60 localtime_s(&tm_struct, &clock);
61 #else
62 localtime_r(&clock, &tm_struct);
63 #endif
64 char time_string[20];
65 strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", &tm_struct);
66
67 const char* severity_string = "UNKNOWN_SEVERITY";
68 switch (severity) {
69 case SEVERITY_INFO:
70 severity_string = "INFO";
71 break;
72 case SEVERITY_ERROR:
73 severity_string = "ERROR";
74 break;
75 case SEVERITY_CRITICAL:
76 severity_string = "CRITICAL";
77 break;
78 }
79
80 stream_ << time_string << ": " << PathnameStripper::File(file) << ":" <<
81 line << ": " << severity_string << ": ";
82 }
83
~LogStream()84 LogStream::~LogStream() {
85 stream_ << std::endl;
86 }
87
HexString(uint32_t number)88 string HexString(uint32_t number) {
89 char buffer[11];
90 snprintf(buffer, sizeof(buffer), "0x%x", number);
91 return string(buffer);
92 }
93
HexString(uint64_t number)94 string HexString(uint64_t number) {
95 char buffer[19];
96 snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
97 return string(buffer);
98 }
99
HexString(int number)100 string HexString(int number) {
101 char buffer[19];
102 snprintf(buffer, sizeof(buffer), "0x%x", number);
103 return string(buffer);
104 }
105
ErrnoString(string * error_string)106 int ErrnoString(string* error_string) {
107 assert(error_string);
108
109 // strerror isn't necessarily thread-safe. strerror_r would be preferrable,
110 // but GNU libc uses a nonstandard strerror_r by default, which returns a
111 // char* (rather than an int success indicator) and doesn't necessarily
112 // use the supplied buffer.
113 error_string->assign(strerror(errno));
114 return errno;
115 }
116
117 } // namespace google_breakpad
118