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 /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * getcwd() returns the pathname of the current working directory. 31*0Sstevel@tonic-gate * On error, a NULL pointer is returned and errno is set. 32*0Sstevel@tonic-gate */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma weak getcwd = _getcwd 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include "synonyms.h" 37*0Sstevel@tonic-gate #include <sys/syscall.h> 38*0Sstevel@tonic-gate #include <sys/types.h> 39*0Sstevel@tonic-gate #include <errno.h> 40*0Sstevel@tonic-gate #include <stdlib.h> 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate char * 43*0Sstevel@tonic-gate getcwd(char *pathname, size_t size) 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate int alloc = 0; 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate if (size == 0) { 48*0Sstevel@tonic-gate errno = EINVAL; 49*0Sstevel@tonic-gate return (NULL); 50*0Sstevel@tonic-gate } 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate if (pathname == NULL) { 53*0Sstevel@tonic-gate if ((pathname = malloc(size)) == NULL) { 54*0Sstevel@tonic-gate errno = ENOMEM; 55*0Sstevel@tonic-gate return (NULL); 56*0Sstevel@tonic-gate } 57*0Sstevel@tonic-gate alloc = 1; 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate if (syscall(SYS_getcwd, pathname, size) == 0) 61*0Sstevel@tonic-gate return (pathname); 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate if (alloc) 64*0Sstevel@tonic-gate free(pathname); 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate return (NULL); 67*0Sstevel@tonic-gate } 68