head	1.4;
access;
symbols
	str_init:1.1.1.1 str:1.1.1;
locks; strict;
comment	@ * @;


1.4
date	99.12.27.13.43.06;	author rse;	state dead;
branches;
next	1.3;

1.3
date	99.12.25.18.33.25;	author rse;	state Exp;
branches;
next	1.2;

1.2
date	99.12.25.18.23.02;	author rse;	state Exp;
branches;
next	1.1;

1.1
date	99.11.22.17.29.12;	author rse;	state Exp;
branches
	1.1.1.1;
next	;

1.1.1.1
date	99.11.22.17.29.12;	author rse;	state Exp;
branches;
next	;


desc
@@


1.4
log
@.
@
text
@/*
**  Str - String Library
**  Copyright (c) 1999 Ralf S. Engelschall <rse@@engelschall.com>
**
**  This file is part of Str, a string handling and manipulation 
**  library which can be found at http://www.engelschall.com/sw/str/.
**
**  Permission to use, copy, modify, and distribute this software for
**  any purpose with or without fee is hereby granted, provided that
**  the above copyright notice and this permission notice appear in all
**  copies.
**
**  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
**  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
**  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
**  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
**  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
**  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
**  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
**  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
**  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
**  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
**  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
**  SUCH DAMAGE.
**
**  str_compare.h: comparison functions
*/

#include "str_p.h"

int str_compare(
    const char *s1, 
    const char *s2, 
    str_size_t n, 
    int mode)
{
    int rv;

    if (n == 0)
        return 0;
    rv = 0;
    if (mode & STR_NOCASE) {
        /* compare case insensitive */
        do {
            if (str_tolower(*s1) != str_tolower(*s2++)) {
                rv = ((str_tolower(*s1) - 
                       str_tolower(*--s2)) < 0 ? -1 : +1);
                break;
            }
            if (*s1++ == NUL)
                break;
        } while (--n > 0);
    }
    else {
        /* compare case sensitive */
        do {
            if (*s1 != *s2++) {
                rv = ((*(const unsigned char *)s1 - 
                       *(const unsigned char *)(s2 - 1)) < 0 ? -1 : +1);
                break;
            }
            if (*s1++ == NUL)
                break;
        } while (--n > 0);
    }
    return rv;
}

@


1.3
log
@*** empty log message ***
@
text
@@


1.2
log
@*** empty log message ***
@
text
@d29 1
a29 5
#include "str.h"

#define _str_tolower(ch) \
        (isupper((unsigned char)(ch)) ? \
         tolower((unsigned char)(ch)) : (ch))
d32 3
a34 3
    register const char *s1, 
    register const char *s2, 
    register str_size_t n, 
d45 3
a47 3
            if (_str_tolower(*s1) != _str_tolower(*s2++)) {
                rv = ((_str_tolower(*s1) - 
                       _str_tolower(*--s2)) < 0 ? -1 : +1);
@


1.1
log
@Initial revision
@
text
@d1 3
a3 2
/* 
**  str_compare.c -- String Comparison
d5 2
a6 2
**  ====================================================================
**  Copyright (c) 1999 Ralf S. Engelschall. All rights reserved.
d8 4
a11 3
**  Redistribution and use in source and binary forms, with or without
**  modification, are permitted provided that the following conditions
**  are met:
d13 12
a24 2
**  1. Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer. 
d26 1
a26 18
**  2. Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**
**  THIS SOFTWARE IS PROVIDED BY RALF S. ENGELSCHALL ``AS IS'' AND ANY
**  EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
**  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
**  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL RALF S. ENGELSCHALL OR
**  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
**  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
**  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
**  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
**  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
**  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
**  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
**  OF THE POSSIBILITY OF SUCH DAMAGE.
**  ====================================================================
@


1.1.1.1
log
@
@
text
@@