xref: /aosp_15_r20/external/google-breakpad/src/processor/logging.cc (revision 9712c20fc9bbfbac4935993a2ca0b3958c5adad2)
1 // Copyright 2007 Google LLC
2 //
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4 // modification, are permitted provided that the following conditions are
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9 //     * Redistributions in binary form must reproduce the above
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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