1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Return pointer to the last element of a pathname. 32 */ 33 34 #pragma weak _basename = basename 35 36 #include "lint.h" 37 #include <libgen.h> 38 #include <string.h> 39 #include <sys/types.h> 40 41 char * 42 basename(char *s) 43 { 44 char *p; 45 46 if (!s || !*s) /* zero or empty argument */ 47 return ("."); 48 49 p = s + strlen(s); 50 while (p != s && *--p == '/') /* skip trailing /s */ 51 *p = '\0'; 52 53 if (p == s && *p == '\0') /* all slashes */ 54 return ("/"); 55 56 while (p != s) 57 if (*--p == '/') 58 return (++p); 59 60 return (p); 61 } 62