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 #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * getcwd() returns the pathname of the current working directory. 317c478bd9Sstevel@tonic-gate * On error, a NULL pointer is returned and errno is set. 327c478bd9Sstevel@tonic-gate */ 337c478bd9Sstevel@tonic-gate 34*7257d1b4Sraf #pragma weak _getcwd = getcwd 357c478bd9Sstevel@tonic-gate 36*7257d1b4Sraf #include "lint.h" 377c478bd9Sstevel@tonic-gate #include <sys/syscall.h> 387c478bd9Sstevel@tonic-gate #include <sys/types.h> 397c478bd9Sstevel@tonic-gate #include <errno.h> 407c478bd9Sstevel@tonic-gate #include <stdlib.h> 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate char * getcwd(char * pathname,size_t size)437c478bd9Sstevel@tonic-gategetcwd(char *pathname, size_t size) 447c478bd9Sstevel@tonic-gate { 457c478bd9Sstevel@tonic-gate int alloc = 0; 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate if (size == 0) { 487c478bd9Sstevel@tonic-gate errno = EINVAL; 497c478bd9Sstevel@tonic-gate return (NULL); 507c478bd9Sstevel@tonic-gate } 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate if (pathname == NULL) { 537c478bd9Sstevel@tonic-gate if ((pathname = malloc(size)) == NULL) { 547c478bd9Sstevel@tonic-gate errno = ENOMEM; 557c478bd9Sstevel@tonic-gate return (NULL); 567c478bd9Sstevel@tonic-gate } 577c478bd9Sstevel@tonic-gate alloc = 1; 587c478bd9Sstevel@tonic-gate } 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate if (syscall(SYS_getcwd, pathname, size) == 0) 617c478bd9Sstevel@tonic-gate return (pathname); 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate if (alloc) 647c478bd9Sstevel@tonic-gate free(pathname); 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate return (NULL); 677c478bd9Sstevel@tonic-gate } 68