Home | History | Annotate | Download | only in processor
      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 
     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 
     82 LogStream::~LogStream() {
     83   stream_ << std::endl;
     84 }
     85 
     86 string HexString(uint32_t number) {
     87   char buffer[11];
     88   snprintf(buffer, sizeof(buffer), "0x%x", number);
     89   return string(buffer);
     90 }
     91 
     92 string HexString(uint64_t number) {
     93   char buffer[19];
     94   snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number);
     95   return string(buffer);
     96 }
     97 
     98 string HexString(int number) {
     99   char buffer[19];
    100   snprintf(buffer, sizeof(buffer), "0x%x", number);
    101   return string(buffer);
    102 }
    103 
    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