libemailfunctions

kasciistringtools.cpp

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00001 /*  -*- c++ -*-
00002     kasciistringtools.cpp
00003 
00004     This file is part of libkdepim.
00005 
00006     Copyright (c) 2005 Ingo Kloecker <kloecker@kde.org>
00007 
00008     This library is free software; you can redistribute it and/or
00009     modify it under the terms of the GNU Library General Public
00010     License as published by the Free Software Foundation; either
00011     version 2 of the License, or (at your option) any later version.
00012 
00013     This library is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016     Library General Public License for more details.
00017 
00018     You should have received a copy of the GNU Library General Public License
00019     along with this library; see the file COPYING.LIB.  If not, write to
00020     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00021     Boston, MA 02110-1301, USA.
00022 */
00023 
00024 #include "kasciistringtools.h"
00025 
00026 namespace KPIM {
00027 
00028 static unsigned char ASCIIToLower( unsigned char ch )
00029 {
00030   if ( ch >= 'A' && ch <= 'Z' )
00031     return ch - 'A' + 'a';
00032   else
00033     return ch;
00034 }
00035 
00036 char * kAsciiToLower( char *s )
00037 {
00038   if ( !s )
00039     return 0;
00040   for ( unsigned char *p = (unsigned char *) s; *p; ++p )
00041     *p = ASCIIToLower( *p );
00042   return s;
00043 }
00044 
00045 static unsigned char ASCIIToUpper( unsigned char ch )
00046 {
00047   if ( ch >= 'a' && ch <= 'z' )
00048     return ch - 'a' + 'A';
00049   else
00050     return ch;
00051 }
00052 
00053 char * kAsciiToUpper( char *s )
00054 {
00055   if ( !s )
00056     return 0;
00057   for ( unsigned char *p = (unsigned char *) s; *p; ++p )
00058     *p = ASCIIToUpper( *p );
00059   return s;
00060 }
00061 
00062 } // namespace KPIM