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 5*7257d1b4Sraf * Common Development and Distribution License (the "License"). 6*7257d1b4Sraf * 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 */ 21*7257d1b4Sraf 227c478bd9Sstevel@tonic-gate /* 23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * Return pointer to the directory name, stripping off the last 327c478bd9Sstevel@tonic-gate * component of the path. 337c478bd9Sstevel@tonic-gate * Works similar to /bin/dirname 347c478bd9Sstevel@tonic-gate */ 357c478bd9Sstevel@tonic-gate 36*7257d1b4Sraf #pragma weak _dirname = dirname 37*7257d1b4Sraf 38*7257d1b4Sraf #include "lint.h" 397c478bd9Sstevel@tonic-gate #include <sys/types.h> 407c478bd9Sstevel@tonic-gate #include <string.h> 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate char * dirname(char * s)437c478bd9Sstevel@tonic-gatedirname(char *s) 447c478bd9Sstevel@tonic-gate { 457c478bd9Sstevel@tonic-gate char *p; 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate if (!s || !*s) /* zero or empty argument */ 487c478bd9Sstevel@tonic-gate return ("."); 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate p = s + strlen(s); 517c478bd9Sstevel@tonic-gate while (p != s && *--p == '/') /* trim trailing /s */ 527c478bd9Sstevel@tonic-gate ; 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate if (p == s && *p == '/') 557c478bd9Sstevel@tonic-gate return ("/"); 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate while (p != s) 587c478bd9Sstevel@tonic-gate if (*--p == '/') { 597c478bd9Sstevel@tonic-gate while (*p == '/' && p != s) 607c478bd9Sstevel@tonic-gate p--; 617c478bd9Sstevel@tonic-gate *++p = '\0'; 627c478bd9Sstevel@tonic-gate return (s); 637c478bd9Sstevel@tonic-gate } 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate return ("."); 667c478bd9Sstevel@tonic-gate } 67