17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57257d1b4Sraf * Common Development and Distribution License (the "License").
67257d1b4Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217257d1b4Sraf
227c478bd9Sstevel@tonic-gate /*
23*2d08521bSGarrett D'Amore * Copyright 2013 Garrett D'Amore <garrett@damore.org>
2423a1cceaSRoger A. Faulkner * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate /*
317c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD
327c478bd9Sstevel@tonic-gate * under license from the Regents of the University of California.
337c478bd9Sstevel@tonic-gate */
347c478bd9Sstevel@tonic-gate
357257d1b4Sraf #include "lint.h"
367c478bd9Sstevel@tonic-gate #include <sys/types.h>
377c478bd9Sstevel@tonic-gate #include <strings.h>
3823a1cceaSRoger A. Faulkner #include <ctype.h>
39*2d08521bSGarrett D'Amore #include <locale.h>
40*2d08521bSGarrett D'Amore #include "localeimpl.h"
41*2d08521bSGarrett D'Amore #include "lctype.h"
427c478bd9Sstevel@tonic-gate
437c478bd9Sstevel@tonic-gate int
strcasecmp_l(const char * s1,const char * s2,locale_t loc)44*2d08521bSGarrett D'Amore strcasecmp_l(const char *s1, const char *s2, locale_t loc)
457c478bd9Sstevel@tonic-gate {
4623a1cceaSRoger A. Faulkner extern int ascii_strcasecmp(const char *s1, const char *s2);
47*2d08521bSGarrett D'Amore const int *cm;
4823a1cceaSRoger A. Faulkner const uchar_t *us1;
4923a1cceaSRoger A. Faulkner const uchar_t *us2;
50*2d08521bSGarrett D'Amore const struct lc_ctype *lct = loc->ctype;
5123a1cceaSRoger A. Faulkner
5223a1cceaSRoger A. Faulkner /*
5323a1cceaSRoger A. Faulkner * If we are in a locale that uses the ASCII character set
5423a1cceaSRoger A. Faulkner * (C or POSIX), use the fast ascii_strcasecmp() function.
5523a1cceaSRoger A. Faulkner */
56*2d08521bSGarrett D'Amore if (lct->lc_is_ascii)
5723a1cceaSRoger A. Faulkner return (ascii_strcasecmp(s1, s2));
5823a1cceaSRoger A. Faulkner
59*2d08521bSGarrett D'Amore cm = lct->lc_trans_lower;
6023a1cceaSRoger A. Faulkner us1 = (const uchar_t *)s1;
6123a1cceaSRoger A. Faulkner us2 = (const uchar_t *)s2;
627c478bd9Sstevel@tonic-gate
637c478bd9Sstevel@tonic-gate while (cm[*us1] == cm[*us2++])
647c478bd9Sstevel@tonic-gate if (*us1++ == '\0')
657c478bd9Sstevel@tonic-gate return (0);
667c478bd9Sstevel@tonic-gate return (cm[*us1] - cm[*(us2 - 1)]);
677c478bd9Sstevel@tonic-gate }
68*2d08521bSGarrett D'Amore
69*2d08521bSGarrett D'Amore int
strcasecmp(const char * s1,const char * s2)70*2d08521bSGarrett D'Amore strcasecmp(const char *s1, const char *s2)
71*2d08521bSGarrett D'Amore {
72*2d08521bSGarrett D'Amore /* would be nice to avoid uselocale()... but I don't see how */
73*2d08521bSGarrett D'Amore return (strcasecmp_l(s1, s2, uselocale(NULL)));
74*2d08521bSGarrett D'Amore }
75