\" $NetBSD: elf_getident.3,v 1.6 2024/03/03 17:37:33 christos Exp $
\"
\" Copyright (c) 2006,2008 Joseph Koshy. All rights reserved.
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\" This software is provided by Joseph Koshy ``as is'' and
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\" are disclaimed. in no event shall Joseph Koshy be liable
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\" Id: elf_getident.3 3956 2022-03-12 12:39:30Z jkoshy
\"
Dd July 3, 2006
Dt ELF_GETIDENT 3
Os
Sh NAME
Nm elf_getident
Nd return the initial bytes of a file
Sh LIBRARY
Lb libelf
Sh SYNOPSIS
In libelf.h
Ft char *
Fn elf_getident "Elf *elf" "size_t *sz"
Sh DESCRIPTION
Function
Fn elf_getident
returns a pointer to the initial bytes of the file for descriptor
Fa elf .
Pp
If argument
Fa sz
is non-null, the size of the identification area returned is written
to the location pointed to by
Fa sz .
This location is set to zero on errors.
Sh RETURN VALUES
Function
Fn elf_getident
will return a
No non- Ns Dv NULL
pointer to the initial bytes of the file if successful, or
Dv NULL
if an error condition is detected.
Sh ERRORS
Function
Fn elf_getident
can fail with the following errors:
Bl -tag -width "[ELF_E_RESOURCE]"
It Bq Er ELF_E_ARGUMENT
A
Dv NULL
value was passed in for argument
Fa elf .
It Bq Er ELF_E_SEQUENCE
ELF descriptor
Fa elf
was opened for writing and function
Fn elf_getident
was called before a call to
Xr elf_update 3 .
El
Sh SEE ALSO
Xr elf 3 ,
Xr elf32_getehdr 3 ,
Xr elf64_getehdr 3 ,
Xr elf_getarhdr 3 ,
Xr elf_getbase 3 ,
Xr elf_getflags 3 ,
Xr elf_kind 3 ,
Xr elf_rawfile 3 ,
Xr elf_update 3 ,
Xr gelf 3 ,
Xr gelf_getclass 3 ,
Xr gelf_getehdr 3
