1// Copyright (c) 2007, Google Inc.
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17//
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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
48namespace google_breakpad {
49
50LogStream::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
81LogStream::~LogStream() {
82 stream_ << std::endl;
83}
84
85string HexString(uint32_t number) {
86 char buffer[11];
87 snprintf(buffer, sizeof(buffer), "0x%x", number);
88 return string(buffer);
89}
90
91string HexString(uint64_t number) {
92 char buffer[19];
93 snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
94 return string(buffer);
95}
96
97string HexString(int number) {
98 char buffer[19];
99 snprintf(buffer, sizeof(buffer), "0x%x", number);
100 return string(buffer);
101}
102
103int 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