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 <string.h>
39 #include <time.h>
40
41 #include <string>
42
43 #include "common/stdio_wrapper.h"
44 #include "common/using_std_string.h"
45 #include "processor/logging.h"
46 #include "processor/pathname_stripper.h"
47
48 namespace google_breakpad {
49
LogStream(std::ostream & stream,Severity severity,const char * file,int line)50 LogStream::LogStream(std::ostream &stream, Severity severity,
51 const char *file, int line)
52 : stream_(stream) {
53 time_t clock;
54 time(&clock);
55 struct tm tm_struct;
56 #ifdef _WIN32
57 localtime_s(&tm_struct, &clock);
58 #else
59 localtime_r(&clock, &tm_struct);
60 #endif
61 char time_string[20];
62 strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", &tm_struct);
63
64 const char *severity_string = "UNKNOWN_SEVERITY";
65 switch (severity) {
66 case SEVERITY_INFO:
67 severity_string = "INFO";
68 break;
69 case SEVERITY_ERROR:
70 severity_string = "ERROR";
71 break;
72 case SEVERITY_CRITICAL:
73 severity_string = "CRITICAL";
74 break;
75 }
76
77 stream_ << time_string << ": " << PathnameStripper::File(file) << ":" <<
78 line << ": " << severity_string << ": ";
79 }
80
~LogStream()81 LogStream::~LogStream() {
82 stream_ << std::endl;
83 }
84
HexString(uint32_t number)85 string HexString(uint32_t number) {
86 char buffer[11];
87 snprintf(buffer, sizeof(buffer), "0x%x", number);
88 return string(buffer);
89 }
90
HexString(uint64_t number)91 string HexString(uint64_t number) {
92 char buffer[19];
93 snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
94 return string(buffer);
95 }
96
HexString(int number)97 string HexString(int number) {
98 char buffer[19];
99 snprintf(buffer, sizeof(buffer), "0x%x", number);
100 return string(buffer);
101 }
102
ErrnoString(string * error_string)103 int ErrnoString(string *error_string) {
104 assert(error_string);
105
106 // strerror isn't necessarily thread-safe. strerror_r would be preferrable,
107 // but GNU libc uses a nonstandard strerror_r by default, which returns a
108 // char* (rather than an int success indicator) and doesn't necessarily
109 // use the supplied buffer.
110 error_string->assign(strerror(errno));
111 return errno;
112 }
113
114 } // namespace google_breakpad
115