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128 lines
3.9 KiB
128 lines
3.9 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: examples/cpp/misc/example.cpp.misc.hetero1/example.cpp.misc.hetero1.cpp
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*
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* Purpose: C++ example program for Pantheios. Demonstrates:
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*
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* - use of implicit support for heterogeneous non-string types
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* - use of pantheios::logputs() in bail-out conditions
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*
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* Created: 31st August 2006
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* Updated: 6th December 2010
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*
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* www: http://www.pantheios.org/
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*
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* License: This source code is placed into the public domain 2006
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* by Synesis Software Pty Ltd. There are no restrictions
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* whatsoever to your use of the software.
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*
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* This software is provided "as is", and any warranties,
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* express or implied, of any kind and for any purpose, are
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* disclaimed.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/* Pantheios Header Files */
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#include <pantheios/pantheios.hpp> // Pantheios C++ main header
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#include <pantheios/internal/safestr.h>
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/* STLSoft Header Files */
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#include <platformstl/platformstl.h> // PlatformSTL main C header
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/* Standard C/C++ Header Files */
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#include <exception> // for std::exception
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#include <new> // for std::bad_alloc
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#include <string> // for std::string
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#include <stdlib.h> // for exit codes
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#if defined(PLATFORMSTL_OS_IS_UNIX)
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# include <dirent.h>
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#endif /* OS */
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/* ////////////////////////////////////////////////////////////////////// */
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/* Define the stock front-end process identity, so that it links when using
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* fe.N, fe.simple, etc. */
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PANTHEIOS_EXTERN_C const PAN_CHAR_T PANTHEIOS_FE_PROCESS_IDENTITY[] = PANTHEIOS_LITERAL_STRING("example.cpp.misc.hetero1");
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/* ////////////////////////////////////////////////////////////////////// */
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#define PSTR(x) PANTHEIOS_LITERAL_STRING(x)
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/* ////////////////////////////////////////////////////////////////////// */
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int main()
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{
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try
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{
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#if defined(PLATFORMSTL_OS_IS_UNIX)
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// Demonstrates handling of heterogeneous types by using UNIX/std
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// types: struct tm, struct dirent
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//
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// Output:
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// "Heterogeneous values: tm=Aug 31 15:12:18 2006; de=."
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time_t t = ::time(NULL);
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# ifdef PANTHEIOS_USING_SAFE_STR_FUNCTIONS
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struct tm tm_;
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errno_t e = ::localtime_s(&tm_, &t);
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struct tm *tm = (0== e) ? &tm_ : NULL;
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# else /* ? PANTHEIOS_USING_SAFE_STR_FUNCTIONS */
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struct tm *tm = ::localtime(&t);
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# endif /* PANTHEIOS_USING_SAFE_STR_FUNCTIONS */
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DIR *d = ::opendir(".");
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struct dirent *de = (NULL != d) ? readdir(d) : NULL;
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pantheios::log_NOTICE("Heterogeneous values: tm=", tm, "; de=", de);
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if(NULL != d)
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{
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::closedir(d);
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}
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#elif defined(PLATFORMSTL_OS_IS_WINDOWS)
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// Demonstrates handling of heterogeneous types by using Win32
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// types: GUID, SYSTEMTIME, and VARIANT
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//
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// Output:
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// "Heterogeneous values: g={00000000-0000-0000-0000-000000000000}; s=31/08/2006 2:48:41 pm; v=123456789"
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GUID g = GUID_NULL;
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SYSTEMTIME s;
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VARIANT v;
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::GetLocalTime(&s);
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::VariantInit(&v);
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v.vt = VT_I4;
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v.lVal = 123456789;
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pantheios::log_NOTICE(PSTR("Heterogeneous values: g="), g, PSTR("; s="), s, PSTR("; v="), v);
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#else /* ? OS */
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# error Operating system not discriminated
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#endif /* OS */
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return EXIT_SUCCESS;
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}
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catch(std::bad_alloc&)
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{
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pantheios::logputs(pantheios::alert, PSTR("out of memory"));
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}
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catch(std::exception& x)
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{
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pantheios::log_CRITICAL(PSTR("Exception: "), x);
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}
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catch(...)
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{
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pantheios::logputs(pantheios::emergency, PSTR("Unexpected unknown error"));
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}
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return EXIT_FAILURE;
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}
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/* ///////////////////////////// end of file //////////////////////////// */
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