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/* /////////////////////////////////////////////////////////////////////////
* File: examples/c/example.c.log_n/example.c.log_n.c
*
* Purpose: C example program for Pantheios. Demonstrates:
*
* - use of pantheios_log_?() in C compilation units
*
* Created: 31st August 2006
* Updated: 22nd March 2010
*
* 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 */
#include <pantheios/util/string/snprintf.h> /* for pantheios_util_snprintf() */
#include <pantheios/internal/safestr.h>
/* Standard C Header Files */
#include <stdio.h> /* for sprintf() */
#include <stdlib.h> /* for exit codes */
/* ////////////////////////////////////////////////////////////////////// */
/* Define the stock front-end process identity, so that it links when using
* fe.N, fe.simple, etc. */
const PAN_CHAR_T PANTHEIOS_FE_PROCESS_IDENTITY[] = PANTHEIOS_LITERAL_STRING("example.c.log_n");
/* ////////////////////////////////////////////////////////////////////// */
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 numUsers = 1000000;
PAN_CHAR_T szNumUsers[101];
/* Log a three part statement. Note that specifying -1
* for the length causes the corresponding string argument to be
* interpreted as a nul-terminated string, and its length to be
* calculated (via strlen()); Output:
* "We're sure there're likely to be >00000000000001000000 satisfied users of Pantheios"
*/
pantheios_log_3(PANTHEIOS_SEV_CRITICAL
, PANTHEIOS_LITERAL_STRING("We're sure there're likely to be >"), -1
, szNumUsers, pantheios_util_snprintf(&szNumUsers[0], STLSOFT_NUM_ELEMENTS(szNumUsers), PANTHEIOS_LITERAL_STRING("%020d"), numUsers)
, PANTHEIOS_LITERAL_STRING(" satisfied users of Pantheios"), -1);
/* Must uninitialise Pantheios.
*
* pantheios_uninit() must be called once for each successful (>=0)
* invocation of pantheios_init().
*/
pantheios_uninit();
return EXIT_SUCCESS;
}
}
/* ////////////////////////////////////////////////////////////////////// */