1// Copyright (c) 2007, Google Inc.
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3//
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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 <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
52namespace google_breakpad {
53
54LogStream::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
82LogStream::~LogStream() {
83  stream_ << std::endl;
84}
85
86string HexString(uint32_t number) {
87  char buffer[11];
88  snprintf(buffer, sizeof(buffer), "0x%x", number);
89  return string(buffer);
90}
91
92string HexString(uint64_t number) {
93  char buffer[19];
94  snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
95  return string(buffer);
96}
97
98string HexString(int number) {
99  char buffer[19];
100  snprintf(buffer, sizeof(buffer), "0x%x", number);
101  return string(buffer);
102}
103
104int 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