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/*******************************************************************************
* stringutilities.cpp
*
* This module implements string utility functions.
*
* ---------------------------------------------------------------------------
* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
*
* POV-Ray is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* POV-Ray 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ---------------------------------------------------------------------------
* POV-Ray is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
* ---------------------------------------------------------------------------
* $File: //depot/public/povray/3.x/source/base/stringutilities.cpp $
* $Revision: #1 $
* $Change: 6069 $
* $DateTime: 2013/11/06 11:59:40 $
* $Author: chrisc $
*******************************************************************************/
#include <cctype>
#include <cstdarg>
#include <cstring>
#include <cstdlib>
#include <cstdio>
#include <cctype>
// configbase.h must always be the first POV file included within base *.cpp files
#include "configbase.h"
#include "stringutilities.h"
// this must be the last file included
#include "base/povdebug.h"
namespace pov_base
{
/*****************************************************************************
*
* FUNCTION
*
* pov_stricmp
*
* INPUT
*
* OUTPUT
*
* RETURNS
*
* AUTHOR
*
* POV-Ray Team
*
* DESCRIPTION
*
* Since the stricmp function isn't available on all systems, we've
* provided a simplified version of it here.
*
* CHANGES
*
* -
*
******************************************************************************/
int pov_stricmp(const char *s1, const char *s2)
{
char c1, c2;
while((*s1 != 0) && (*s2 != 0))
{
c1 = *s1++;
c2 = *s2++;
c1 = (char)toupper(c1);
c2 = (char)toupper(c2);
if(c1 < c2)
return -1;
if(c1 > c2)
return 1;
}
if(*s1 == 0)
{
if(*s2 == 0)
return 0;
else
return -1;
}
else
return 1;
}
/*****************************************************************************
*
* FUNCTION
*
* pov_tsprintf
*
* INPUT
*
* OUTPUT
*
* RETURNS
*
* AUTHOR
*
* POV-Ray Team
*
* DESCRIPTION
*
* Since the stricmp function isn't available on all systems, we've
* provided a simplified version of it here.
*
* CHANGES
*
* -
*
******************************************************************************/
const char *pov_tsprintf(const char *format,...)
{
va_list marker;
static char pov_tsprintf_buffer[1024];
va_start(marker, format);
vsnprintf(pov_tsprintf_buffer, 1023, format, marker);
va_end(marker);
return pov_tsprintf_buffer;
}
}
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