1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1999, by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate /*LINTLIBRARY*/ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate /* 35*0Sstevel@tonic-gate * NAME 36*0Sstevel@tonic-gate * casncmp - compare strings ignoring case 37*0Sstevel@tonic-gate * 38*0Sstevel@tonic-gate * SYNOPSIS 39*0Sstevel@tonic-gate * int casncmp(char *s1, char *s2, ssize_t n) 40*0Sstevel@tonic-gate * 41*0Sstevel@tonic-gate * DESCRIPTION 42*0Sstevel@tonic-gate * Compare two strings ignoring case differences. 43*0Sstevel@tonic-gate * Stop after n bytes or the trailing NUL. 44*0Sstevel@tonic-gate */ 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate #include "synonyms.h" 47*0Sstevel@tonic-gate #include "libmail.h" 48*0Sstevel@tonic-gate #include <ctype.h> 49*0Sstevel@tonic-gate #include <sys/types.h> 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate int 52*0Sstevel@tonic-gate casncmp(char *s1, char *s2, ssize_t n) 53*0Sstevel@tonic-gate { 54*0Sstevel@tonic-gate if (s1 == s2) 55*0Sstevel@tonic-gate return (0); 56*0Sstevel@tonic-gate while ((--n >= 0) && (tolower(*s1) == tolower(*s2))) { 57*0Sstevel@tonic-gate s2++; 58*0Sstevel@tonic-gate if (*s1++ == '\0') 59*0Sstevel@tonic-gate return (0); 60*0Sstevel@tonic-gate } 61*0Sstevel@tonic-gate return ((n < 0)? 0: (*s1 - *s2)); 62*0Sstevel@tonic-gate } 63