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skrzyp |
//========================================================================
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//
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// time.cxx
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//
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// ISO C date and time implementation for time()
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//
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//========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jlarmour
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// Contributors: jlarmour
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// Date: 1999-03-04
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// Purpose: Provide implementation of ISO C time() as defined in
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// ISO C section 7.12.2.4
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// Description: This file provides an implementation of time() using
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// the "wallclock" device
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// Usage:
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//
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//####DESCRIPTIONEND####
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//
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//========================================================================
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// CONFIGURATION
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#include <pkgconf/libc_time.h> // C library configuration
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// INCLUDES
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#include <cyg/infra/cyg_type.h> // Common type definitions and support
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#include <cyg/infra/cyg_ass.h> // Assertion infrastructure
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#include <cyg/infra/cyg_trac.h> // Tracing infrastructure
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#include <time.h> // Main date and time definitions
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#ifdef CYGSEM_LIBC_TIME_TIME_WORKING
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# include <cyg/io/wallclock.hxx> // Wallclock class definitions
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#endif
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// FUNCTIONS
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externC time_t
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time( time_t *timer )
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{
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CYG_REPORT_FUNCNAMETYPE("time", "returning %d");
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if (timer) // its allowed to be NULL
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CYG_CHECK_DATA_PTR( timer, "timer is not a valid pointer!");
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CYG_REPORT_FUNCARG1("timer = %08x", timer);
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#ifdef CYGSEM_LIBC_TIME_TIME_WORKING
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time_t ret;
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ret = (time_t) Cyg_WallClock::wallclock->get_current_time();
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if (timer)
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*timer = ret;
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CYG_REPORT_RETVAL(ret);
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return ret;
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#else // i.e. ifndef CYGSEM_LIBC_TIME_TIME_WORKING
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if (timer)
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*timer = (time_t)-1;
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CYG_REPORT_RETVAL(-1);
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return (time_t)-1;
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#endif
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} // time()
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// EOF time.cxx
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