stralloc/stralloc_cmp.c

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00001 // Copyright 2005 Felix von Leitner <felix-libowfat@fefe.de>
00002 //           2006 Benedikt Böhm <hollow@gentoo.org>
00003 //
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 2 of the License, or
00007 // (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the
00016 // Free Software Foundation, Inc.,
00017 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018 
00019 #include "stralloc.h"
00020 
00021 int stralloc_cmp(const stralloc_t *a, const stralloc_t *b)
00022 {
00023         size_t i, j;
00024         
00025         for (i = 0;; ++i) {
00026                 if (i == a->len)
00027                         return i == b->len ? 0 : -1;
00028                 
00029                 if (i == b->len)
00030                         return 1;
00031                 
00032                 if ((j = ((unsigned char)(a->s[i]) - (unsigned char)(b->s[i]))))
00033                         return j;
00034         }
00035         
00036         return j;
00037 }

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