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/* Copyright (C) 1991, 1992, 1995, 2002 Free Software Foundation, Inc.
This file was part of the GNU C Library. Modified by kb@mail.tug.org to
avoid glibc-isms. Modified by Vincent Lefevre (-> ISO C prototypes and
mpfr_ prefix).
This file is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This file 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this file; see the file COPYING.LIB. 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
#if !defined (__STDC__) || !__STDC__
/* This is a separate conditional since some stdc systems
reject `defined (const)'. */
#ifndef const
#define const
#endif
#endif
#include <ctype.h>
int mpfr_strncasecmp (const char *, const char *, size_t);
/* Compare no more than N characters of strings S1 and S2, ignoring
case, returning less than, equal to or greater than zero if S1 is
lexiographically less than, equal to or greater than S2. */
int
mpfr_strncasecmp (const char *s1, const char *s2, size_t n)
{
register const unsigned char *p1 = (const unsigned char *) s1;
register const unsigned char *p2 = (const unsigned char *) s2;
unsigned char c1, c2;
if (p1 == p2 || n == 0)
return 0;
do
{
c1 = tolower (*p1++);
c2 = tolower (*p2++);
if (c1 == '\0' || c1 != c2)
return c1 - c2;
} while (--n > 0);
return c1 - c2;
}
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