12de3b87aSKai Wang.\" Copyright (c) 2006,2008 Joseph Koshy. All rights reserved. 22de3b87aSKai Wang.\" 32de3b87aSKai Wang.\" Redistribution and use in source and binary forms, with or without 42de3b87aSKai Wang.\" modification, are permitted provided that the following conditions 52de3b87aSKai Wang.\" are met: 62de3b87aSKai Wang.\" 1. Redistributions of source code must retain the above copyright 72de3b87aSKai Wang.\" notice, this list of conditions and the following disclaimer. 82de3b87aSKai Wang.\" 2. Redistributions in binary form must reproduce the above copyright 92de3b87aSKai Wang.\" notice, this list of conditions and the following disclaimer in the 102de3b87aSKai Wang.\" documentation and/or other materials provided with the distribution. 112de3b87aSKai Wang.\" 122de3b87aSKai Wang.\" This software is provided by Joseph Koshy ``as is'' and 132de3b87aSKai Wang.\" any express or implied warranties, including, but not limited to, the 142de3b87aSKai Wang.\" implied warranties of merchantability and fitness for a particular purpose 152de3b87aSKai Wang.\" are disclaimed. in no event shall Joseph Koshy be liable 162de3b87aSKai Wang.\" for any direct, indirect, incidental, special, exemplary, or consequential 172de3b87aSKai Wang.\" damages (including, but not limited to, procurement of substitute goods 182de3b87aSKai Wang.\" or services; loss of use, data, or profits; or business interruption) 192de3b87aSKai Wang.\" however caused and on any theory of liability, whether in contract, strict 202de3b87aSKai Wang.\" liability, or tort (including negligence or otherwise) arising in any way 212de3b87aSKai Wang.\" out of the use of this software, even if advised of the possibility of 222de3b87aSKai Wang.\" such damage. 232de3b87aSKai Wang.\" 24*ae500c1fSEd Maste.\" $Id: elf_getident.3 3639 2018-10-14 14:07:02Z jkoshy $ 252de3b87aSKai Wang.\" 262de3b87aSKai Wang.Dd July 3, 2006 272de3b87aSKai Wang.Dt ELF_GETIDENT 3 28*ae500c1fSEd Maste.Os 292de3b87aSKai Wang.Sh NAME 302de3b87aSKai Wang.Nm elf_getident 312de3b87aSKai Wang.Nd return the initial bytes of a file 322de3b87aSKai Wang.Sh LIBRARY 332de3b87aSKai Wang.Lb libelf 342de3b87aSKai Wang.Sh SYNOPSIS 352de3b87aSKai Wang.In libelf.h 362de3b87aSKai Wang.Ft char * 372de3b87aSKai Wang.Fn elf_getident "Elf *elf" "size_t *sz" 382de3b87aSKai Wang.Sh DESCRIPTION 392de3b87aSKai WangFunction 402de3b87aSKai Wang.Fn elf_getident 412de3b87aSKai Wangreturns a pointer to the initial bytes of the file for descriptor 422de3b87aSKai Wang.Ar elf . 432de3b87aSKai Wang.Pp 442de3b87aSKai WangIf argument 452de3b87aSKai Wang.Ar sz 462de3b87aSKai Wangis non-null, the size of the identification area returned is written 472de3b87aSKai Wangto the location pointed to by 482de3b87aSKai Wang.Ar sz . 492de3b87aSKai WangThis location is set to zero on errors. 502de3b87aSKai Wang.Sh RETURN VALUES 512de3b87aSKai WangFunction 522de3b87aSKai Wang.Fn elf_getident 532de3b87aSKai Wangwill return a non-NULL pointer to the initial bytes of the file if 542de3b87aSKai Wangsuccessful, or NULL if an error condition is detected. 552de3b87aSKai Wang.Sh ERRORS 562de3b87aSKai WangFunction 572de3b87aSKai Wang.Fn elf_getident 582de3b87aSKai Wangcan fail with the following errors: 592de3b87aSKai Wang.Bl -tag -width "[ELF_E_RESOURCE]" 602de3b87aSKai Wang.It Bq Er ELF_E_ARGUMENT 612de3b87aSKai WangA NULL value was passed in for argument 622de3b87aSKai Wang.Ar elf . 632de3b87aSKai Wang.It Bq Er ELF_E_SEQUENCE 642de3b87aSKai WangELF descriptor 652de3b87aSKai Wang.Ar elf 662de3b87aSKai Wangwas opened for writing and function 672de3b87aSKai Wang.Fn elf_getident 682de3b87aSKai Wangwas called before a call to 692de3b87aSKai Wang.Xr elf_update 3 . 702de3b87aSKai Wang.El 712de3b87aSKai Wang.Sh SEE ALSO 722de3b87aSKai Wang.Xr elf 3 , 732de3b87aSKai Wang.Xr elf32_getehdr 3 , 742de3b87aSKai Wang.Xr elf64_getehdr 3 , 752de3b87aSKai Wang.Xr elf_getarhdr 3 , 762de3b87aSKai Wang.Xr elf_getbase 3 , 772de3b87aSKai Wang.Xr elf_getflags 3 , 782de3b87aSKai Wang.Xr elf_kind 3 , 792de3b87aSKai Wang.Xr elf_rawfile 3 , 802de3b87aSKai Wang.Xr elf_update 3 , 812de3b87aSKai Wang.Xr gelf 3 , 822de3b87aSKai Wang.Xr gelf_getclass 3 , 832de3b87aSKai Wang.Xr gelf_getehdr 3 84