glibc/sysdeps/generic/strcasecmp.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

76 lines
2.0 KiB
C

/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <ctype.h>
#include <string.h>
#ifndef weak_alias
# define __strcasecmp strcasecmp
# define TOLOWER(Ch) tolower (Ch)
#else
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define __strcasecmp __strcasecmp_l
# define TOLOWER(Ch) __tolower_l ((Ch), loc)
# else
# define TOLOWER(Ch) tolower (Ch)
# endif
#endif
#ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define LOCALE_PARAM , loc
# define LOCALE_PARAM_DECL __locale_t loc;
#else
# define LOCALE_PARAM
# define LOCALE_PARAM_DECL
#endif
/* Compare S1 and S2, ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less than,
equal to or greater than S2. */
int
__strcasecmp (s1, s2 LOCALE_PARAM)
const char *s1;
const char *s2;
LOCALE_PARAM_DECL
{
const unsigned char *p1 = (const unsigned char *) s1;
const unsigned char *p2 = (const unsigned char *) s2;
unsigned char c1, c2;
if (p1 == p2)
return 0;
do
{
c1 = TOLOWER (*p1++);
c2 = TOLOWER (*p2++);
if (c1 == '\0')
break;
}
while (c1 == c2);
return c1 - c2;
}
#ifndef __strcasecmp
weak_alias (__strcasecmp, strcasecmp)
#endif