.. _program_listing_file_log.cpp:

Program Listing for File log.cpp
================================

|exhale_lsh| :ref:`Return to documentation for file <file_log.cpp>` (``log.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include <ctime>
   #include <unistd.h>
   #include <stdarg.h>
   
   
   #include "log.hpp"
   
   
   static struct {
     int verbose;
   } log_config;
   
   
   void log_init(int verbose)
   {
     log_config.verbose = verbose;
   }
   
   
   void _log_dump(const char* level, const char* filename, unsigned line, const char* functionname, int tid, const char *format, ...)
   {
     va_list args;
     va_start(args, format);
   
     char timestamp[72];
     time_t ltime;
     ltime=time(NULL);
     struct tm *tm;
     tm=localtime(&ltime);
   
     sprintf(timestamp,"%04d-%02d-%02d %02d:%02d:%02d", tm->tm_year+1900, tm->tm_mon +1,
         tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
     fprintf(stderr, "%s [%s] ", timestamp, level);
   
     char msg[1024];
     vsnprintf(msg, 1024, format, args);
     fputs(msg, stderr);
     fputs("\n", stderr);
     fflush(stderr);
     va_end(args);
   }
   
   
   void _log(const char* level, const char* filename, unsigned line, const char* functionname, int tid, const char *format, ...)
   {
     if (!log_config.verbose && !strcmp("DEBUG", level)) return;
   
     va_list args;
     va_start(args, format);
   
     char timestamp[72];
     time_t ltime;
     ltime=time(NULL);
     struct tm *tm;
     tm=localtime(&ltime);
   
     sprintf(timestamp,"%04d-%02d-%02d %02d:%02d:%02d", tm->tm_year+1900, tm->tm_mon +1,
         tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
   
     printf("%s [%s] ", timestamp, level);
     char msg[1024];
     vsnprintf(msg, 1024, format, args);
   
     puts(msg);
     log_flush();
     va_end(args);
   }
   
   void log_flush()
   {
     fflush(stdout);
   }