tor/src/common/log.c

/*
 * log.c
 * Logging facilities.
 *
 * Matej Pfajfar <mp292@cam.ac.uk>
 */

/*
 * Changes :
 * $Log$
 * Revision 1.1  2002/06/26 22:45:50  arma
 * Initial revision
 *
 * Revision 1.11  2002/06/14 20:44:57  mp292
 * *** empty log message ***
 *
 * Revision 1.10  2002/03/12 23:31:36  mp292
 * *** empty log message ***
 *
 * Revision 1.9  2002/03/02 18:55:50  mp292
 * LOG_DEBUG messages don't print the last errno error anymore.
 *
 * Revision 1.8  2002/01/26 22:46:48  mp292
 * Reviewd according to Secure-Programs-HOWTO.
 *
 * Revision 1.7  2002/01/17 15:00:43  mp292
 * Fixed a bug which caused malloc() generate a seg fault.
 *
 * Revision 1.6  2001/12/12 16:02:55  badbytes
 * Minor changes in output format.
 *
 * Revision 1.5  2001/12/12 06:48:07  badbytes
 * Correction - last error message now only shown if severity==LOG_DEBUG.
 *
 * Revision 1.4  2001/12/12 06:28:46  badbytes
 * Modified log() to print error message for last error in addition to the user-specified message.
 *
 * Revision 1.3  2001/12/07 09:38:03  badbytes
 * Tested.
 *
 * Revision 1.2  2001/12/06 15:43:50  badbytes
 * config.c compiles. Proceeding to test it.
 *
 * Revision 1.1  2001/11/21 23:03:41  mp292
 * log function coded and tested.
 * Top-level makefile.
 *
 */

#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
#include <string.h>
#include <errno.h>
#include "log.h"

void log_internal(int severity, const char *format, va_list ap);

/* Outputs a message to stdout */
void log(int severity, const char *format, ...)
{
  extern int loglevel;
  va_list ap;

  va_start(ap,format);

  if (severity <= loglevel)
  {
    vprintf(format,ap);
    printf("\n");
  }
  
  va_end(ap);
}