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) 1988 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) 1998 by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #include "syn.h" 35*0Sstevel@tonic-gate #include <stdlib.h> 36*0Sstevel@tonic-gate #include <unistd.h> 37*0Sstevel@tonic-gate #include <errno.h> 38*0Sstevel@tonic-gate #include "libelf.h" 39*0Sstevel@tonic-gate #include "decl.h" 40*0Sstevel@tonic-gate #include "msg.h" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * Raw file input/output 45*0Sstevel@tonic-gate * Read pieces of input files. 46*0Sstevel@tonic-gate */ 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate char * 50*0Sstevel@tonic-gate _elf_read(int fd, off_t off, size_t fsz) 51*0Sstevel@tonic-gate { 52*0Sstevel@tonic-gate char *p; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate if (fsz == 0) 55*0Sstevel@tonic-gate return (0); 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate if (fd == -1) { 58*0Sstevel@tonic-gate _elf_seterr(EREQ_NOFD, 0); 59*0Sstevel@tonic-gate return (0); 60*0Sstevel@tonic-gate } 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate if (lseek(fd, off, 0) != off) { 63*0Sstevel@tonic-gate _elf_seterr(EIO_SEEK, errno); 64*0Sstevel@tonic-gate return (0); 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate if ((p = (char *)malloc(fsz)) == 0) { 67*0Sstevel@tonic-gate _elf_seterr(EMEM_DATA, errno); 68*0Sstevel@tonic-gate return (0); 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate if (read(fd, p, fsz) != fsz) { 72*0Sstevel@tonic-gate _elf_seterr(EIO_READ, errno); 73*0Sstevel@tonic-gate free(p); 74*0Sstevel@tonic-gate return (0); 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate return (p); 77*0Sstevel@tonic-gate } 78