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/* ///////////////////////////////////////////////////////////////////////// * File: examples/cpp/misc/example.cpp.misc.hetero1/example.cpp.misc.hetero1.cpp * * Purpose: C++ example program for Pantheios. Demonstrates: * * - use of implicit support for heterogeneous non-string types * - use of pantheios::logputs() in bail-out conditions * * Created: 31st August 2006 * Updated: 6th December 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.hpp> // Pantheios C++ main header #include <pantheios/internal/safestr.h> /* STLSoft Header Files */ #include <platformstl/platformstl.h> // PlatformSTL main C header /* Standard C/C++ Header Files */ #include <exception> // for std::exception #include <new> // for std::bad_alloc #include <string> // for std::string #include <stdlib.h> // for exit codes #if defined(PLATFORMSTL_OS_IS_UNIX) # include <dirent.h> #endif /* OS */ /* ////////////////////////////////////////////////////////////////////// */ /* Define the stock front-end process identity, so that it links when using * fe.N, fe.simple, etc. */ PANTHEIOS_EXTERN_C const PAN_CHAR_T PANTHEIOS_FE_PROCESS_IDENTITY[] = PANTHEIOS_LITERAL_STRING("example.cpp.misc.hetero1"); /* ////////////////////////////////////////////////////////////////////// */ #define PSTR(x) PANTHEIOS_LITERAL_STRING(x) /* ////////////////////////////////////////////////////////////////////// */ int main() { try { #if defined(PLATFORMSTL_OS_IS_UNIX) // Demonstrates handling of heterogeneous types by using UNIX/std // types: struct tm, struct dirent // // Output: // "Heterogeneous values: tm=Aug 31 15:12:18 2006; de=." time_t t = ::time(NULL); # ifdef PANTHEIOS_USING_SAFE_STR_FUNCTIONS struct tm tm_; errno_t e = ::localtime_s(&tm_, &t); struct tm *tm = (0== e) ? &tm_ : NULL; # else /* ? PANTHEIOS_USING_SAFE_STR_FUNCTIONS */ struct tm *tm = ::localtime(&t); # endif /* PANTHEIOS_USING_SAFE_STR_FUNCTIONS */ DIR *d = ::opendir("."); struct dirent *de = (NULL != d) ? readdir(d) : NULL; pantheios::log_NOTICE("Heterogeneous values: tm=", tm, "; de=", de); if(NULL != d) { ::closedir(d); } #elif defined(PLATFORMSTL_OS_IS_WINDOWS) // Demonstrates handling of heterogeneous types by using Win32 // types: GUID, SYSTEMTIME, and VARIANT // // Output: // "Heterogeneous values: g={00000000-0000-0000-0000-000000000000}; s=31/08/2006 2:48:41 pm; v=123456789" GUID g = GUID_NULL; SYSTEMTIME s; VARIANT v; ::GetLocalTime(&s); ::VariantInit(&v); v.vt = VT_I4; v.lVal = 123456789; pantheios::log_NOTICE(PSTR("Heterogeneous values: g="), g, PSTR("; s="), s, PSTR("; v="), v); #else /* ? OS */ # error Operating system not discriminated #endif /* OS */ return EXIT_SUCCESS; } catch(std::bad_alloc&) { pantheios::logputs(pantheios::alert, PSTR("out of memory")); } catch(std::exception& x) { pantheios::log_CRITICAL(PSTR("Exception: "), x); } catch(...) { pantheios::logputs(pantheios::emergency, PSTR("Unexpected unknown error")); } return EXIT_FAILURE; } /* ///////////////////////////// end of file //////////////////////////// */
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pantheios Library documentation © Matthew Wilson & Synesis Software, 2006-2011 |