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//===========================================================================
//
// strlen.cxx
//
// ANSI standard strlen() routine
//
//===========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//===========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jlarmour
// Contributors: nickg
// Date: 2000-04-14
// Purpose:
// Description: strlen() function, to satisfy C++ runtime needs. This
// function functions correctly, but in the interests of
// keeping code size down, it uses the smallest implementation
// possible, and is consequently not very fast.
// Usage:
//
//####DESCRIPTIONEND####
//
//===========================================================================
// CONFIGURATION
#include <pkgconf/system.h> // Configuration header
#include <pkgconf/infra.h> // Configuration header
//==========================================================================
// INCLUDES
#include <cyg/infra/cyg_type.h> // Common type definitions
#include <cyg/infra/cyg_trac.h> // Tracing support
#include <cyg/infra/cyg_ass.h> // Assertion support
#include <stddef.h> // Compiler definitions such as size_t, NULL etc.
//==========================================================================
// EXPORTED SYMBOLS
extern "C" size_t
strlen( const char *s ) CYGBLD_ATTRIB_WEAK_ALIAS(__strlen);
//==========================================================================
// FUNCTIONS
extern "C" size_t
__strlen( const char *s )
{
int retval;
CYG_REPORT_FUNCNAMETYPE( "__strlen", "returning length %d" );
CYG_REPORT_FUNCARG1( "s=%08x", s );
CYG_CHECK_DATA_PTR( s, "s is not a valid pointer!" );
const char *start = s;
while (*s)
s++;
retval = s - start;
CYG_REPORT_RETVAL( retval );
return retval;
} // __strlen()
//==========================================================================
// EOF strlen.cxx
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