c/example_c_printf/example_c_printf.c

Demonstrates the use of pantheios_printf() in a C program.

/* /////////////////////////////////////////////////////////////////////////////
 * File:        examples/cpp/example_c_printf/example_c_printf.c
 *
 * Purpose:     C example program for Pantheios. Demonstrates:
 *
 *                - use of pantheios_printf() in C compilation units
 *
 * Created:     31st August 2006
 * Updated:     2nd September 2006
 *
 * www:         http://www.pantheios.org/
 *
 * License:     This source code is placed into the public domain 2006
 *              by Synesis Software Pty Ltd. There are no restrictions
 *              whatsoever to your use of the software.
 *
 *              This software is provided "as is", and any warranties,
 *              express or implied, of any kind and for any purpose, are
 *              disclaimed.
 *
 * ////////////////////////////////////////////////////////////////////////// */


/* Pantheios Header Files */
#include <pantheios/pantheios.h>            /* Pantheios C main header */

/* Standard C Header Files */
#include <stdlib.h>                         /* for exit codes */

/* ////////////////////////////////////////////////////////////////////////// */

/* Define the fe.simple process identity, so that it links when using fe.simple */
const char   FE_SIMPLE_PROCESS_IDENTITY[]    =   "example_c_printf";

/* ////////////////////////////////////////////////////////////////////////// */

int main()
{
  /* Must initialise Pantheios, when using from C (and there are no C++
   * compilation units in the link-unit).
   *
   * If this is not done, undefined behaviour will ensue ...
   */
  if(pantheios_init() < 0)
  {
    return EXIT_FAILURE;
  }
  else
  {
    int   i = 123;
    float f = 99.99f;

    /* Log the int and the float: Output: "int=123, float=99.99"
     */
    pantheios_printf( PANTHEIOS_SEV_INFORMATIONAL, "int=%d, float=%g"
                    , i, f);

    /* Must uninitialise Pantheios. 
     *
     * pantheios_uninit() must be called once for each successful (>=0)
     * invocation of pantheios_init().
     */
    pantheios_uninit();

    return EXIT_SUCCESS;
  }
}

/* ////////////////////////////////////////////////////////////////////////// */

pantheios Library documentation © Matthew Wilson, 2006