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
52 namespace google_breakpad {
53
LogStream(std::ostream & stream,Severity severity,const char * file,int line)54 LogStream::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
~LogStream()82 LogStream::~LogStream() {
83 stream_ << std::endl;
84 }
85
HexString(uint32_t number)86 string HexString(uint32_t number) {
87 char buffer[11];
88 snprintf(buffer, sizeof(buffer), "0x%x", number);
89 return string(buffer);
90 }
91
HexString(uint64_t number)92 string HexString(uint64_t number) {
93 char buffer[19];
94 snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
95 return string(buffer);
96 }
97
HexString(int number)98 string HexString(int number) {
99 char buffer[19];
100 snprintf(buffer, sizeof(buffer), "0x%x", number);
101 return string(buffer);
102 }
103
ErrnoString(string * error_string)104 int 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