2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
2N/A */
2N/A
2N/A/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A/*
2N/A * Portions of this source code were derived from Berkeley 4.3 BSD
2N/A * under license from the Regents of the University of California.
2N/A */
2N/A
2N/A#include "lint.h"
2N/A#include <sys/types.h>
2N/A#include <strings.h>
2N/A#include <ctype.h>
2N/A
2N/Aint
2N/Astrcasecmp(const char *s1, const char *s2)
2N/A{
2N/A extern int charset_is_ascii;
2N/A extern int ascii_strcasecmp(const char *s1, const char *s2);
2N/A int *cm;
2N/A const uchar_t *us1;
2N/A const uchar_t *us2;
2N/A
2N/A if (s1 == s2)
2N/A return (0);
2N/A /*
2N/A * If we are in a locale that uses the ASCII character set
2N/A * (C or POSIX), use the fast ascii_strcasecmp() function.
2N/A */
2N/A if (charset_is_ascii)
2N/A return (ascii_strcasecmp(s1, s2));
2N/A
2N/A cm = __trans_lower;
2N/A us1 = (const uchar_t *)s1;
2N/A us2 = (const uchar_t *)s2;
2N/A
2N/A while (cm[*us1] == cm[*us2++])
2N/A if (*us1++ == '\0')
2N/A return (0);
2N/A return (cm[*us1] - cm[*(us2 - 1)]);
2N/A}