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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; } } /* ////////////////////////////////////////////////////////////////////// */
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pantheios Library documentation © Matthew Wilson & Synesis Software, 2006-2011 |