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lightning-sunbird  0.9+nobinonly
StringUtils.cpp
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is the MRJ Carbon OJI Plugin.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corp.
00018  * Portions created by the Initial Developer are Copyright (C) 2001
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *   Patrick C. Beard <beard@netscape.com>
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00033  * the provisions above, a recipient may use your version of this file under
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00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 /*
00039        StringUtils.cpp
00040  */
00041 
00042 #include "StringUtils.h"
00043 
00044 #include <string.h>
00045 
00046 inline unsigned char toupper(unsigned char c)
00047 {
00048        return (c >= 'a' && c <= 'z') ? (c - ('a' - 'A')) : c;
00049 }
00050 
00051 int strcasecmp(const char * str1, const char * str2)
00052 {
00053 #if !__POWERPC__
00054        
00055        const  unsigned char * p1 = (unsigned char *) str1;
00056        const  unsigned char * p2 = (unsigned char *) str2;
00057                             unsigned char        c1, c2;
00058        
00059        while (toupper(c1 = *p1++) == toupper(c2 = *p2++))
00060               if (!c1)
00061                      return(0);
00062 
00063 #else
00064        
00065        const  unsigned char * p1 = (unsigned char *) str1 - 1;
00066        const  unsigned char * p2 = (unsigned char *) str2 - 1;
00067                             unsigned long        c1, c2;
00068               
00069        while (toupper(c1 = *++p1) == toupper(c2 = *++p2))
00070               if (!c1)
00071                      return(0);
00072 
00073 #endif
00074        
00075        return(toupper(c1) - toupper(c2));
00076 }
00077 
00078 char* strdup(const char* str)
00079 {
00080        if (str != NULL) {
00081               char* result = new char[::strlen(str) + 1];
00082               if (result != NULL)
00083                      ::strcpy(result, str);
00084               return result;
00085        }
00086        return NULL;
00087 }