40   os::free(_config_string);
  41   _config_string_buffer_size = InitialConfigBufferSize;
  42   _config_string = NEW_C_HEAP_ARRAY(char, _config_string_buffer_size, mtLogging);
  43   _config_string[0] = '\0';
  44 }
  45 
  46 void LogOutput::set_config_string(const char* string) {
  47   os::free(_config_string);
  48   _config_string = os::strdup(string, mtLogging);
  49   _config_string_buffer_size = strlen(_config_string) + 1;
  50 }
  51 
  52 void LogOutput::add_to_config_string(const LogTagSet* ts, LogLevelType level) {
  53   if (_config_string_buffer_size < InitialConfigBufferSize) {
  54     _config_string_buffer_size = InitialConfigBufferSize;
  55     _config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
  56   }
  57 
  58   size_t offset = strlen(_config_string);
  59   for (;;) {
  60     int ret = ts->label(_config_string + offset, _config_string_buffer_size - offset, "+");

  61     if (ret == -1) {
  62       // Double the buffer size and retry
  63       _config_string_buffer_size *= 2;
  64       _config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
  65       continue;
  66     }



  67     break;
  68   };
  69 
  70   offset = strlen(_config_string);
  71   for (;;) {
  72     int ret = jio_snprintf(_config_string + offset, _config_string_buffer_size - offset, "=%s,", LogLevel::name(level));
  73     if (ret == -1) {
  74       _config_string_buffer_size *= 2;
  75       _config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
  76       continue;
  77     }
  78     break;
  79   }
  80 }

  40   os::free(_config_string);
  41   _config_string_buffer_size = InitialConfigBufferSize;
  42   _config_string = NEW_C_HEAP_ARRAY(char, _config_string_buffer_size, mtLogging);
  43   _config_string[0] = '\0';
  44 }
  45 
  46 void LogOutput::set_config_string(const char* string) {
  47   os::free(_config_string);
  48   _config_string = os::strdup(string, mtLogging);
  49   _config_string_buffer_size = strlen(_config_string) + 1;
  50 }
  51 
  52 void LogOutput::add_to_config_string(const LogTagSet* ts, LogLevelType level) {
  53   if (_config_string_buffer_size < InitialConfigBufferSize) {
  54     _config_string_buffer_size = InitialConfigBufferSize;
  55     _config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
  56   }
  57 
  58   size_t offset = strlen(_config_string);
  59   for (;;) {
  60     size_t buffer_offset = (offset == 0) ? 0 : (offset + 1);
  61     int ret = ts->label(_config_string + buffer_offset, _config_string_buffer_size - buffer_offset, "+");
  62     if (ret == -1) {
  63       // Double the buffer size and retry
  64       _config_string_buffer_size *= 2;
  65       _config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
  66       continue;
  67     }
  68     if (offset > 0) {
  69       _config_string[offset] = ',';
  70     }
  71     break;
  72   };
  73 
  74   offset = strlen(_config_string);
  75   for (;;) {
  76     int ret = jio_snprintf(_config_string + offset, _config_string_buffer_size - offset, "=%s", LogLevel::name(level));
  77     if (ret == -1) {
  78       _config_string_buffer_size *= 2;
  79       _config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
  80       continue;
  81     }
  82     break;
  83   }
  84 }