2014-01-15 08:43:20 +00:00
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.\" Copyright (c) 2006,2008 Joseph Koshy. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" This software is provided by Joseph Koshy ``as is'' and
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.\" any express or implied warranties, including, but not limited to, the
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.\" implied warranties of merchantability and fitness for a particular purpose
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.\" are disclaimed. in no event shall Joseph Koshy be liable
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.\" for any direct, indirect, incidental, special, exemplary, or consequential
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.\" damages (including, but not limited to, procurement of substitute goods
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.\" or services; loss of use, data, or profits; or business interruption)
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.\" however caused and on any theory of liability, whether in contract, strict
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.\" liability, or tort (including negligence or otherwise) arising in any way
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.\" out of the use of this software, even if advised of the possibility of
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.\" such damage.
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.\"
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2019-01-10 14:18:11 +00:00
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.\" $Id: elf_getarhdr.3 3639 2018-10-14 14:07:02Z jkoshy $
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2014-01-15 08:43:20 +00:00
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.\"
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.Dd August 15, 2006
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.Dt ELF_GETARHDR 3
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2019-01-10 14:18:11 +00:00
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.Os
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2014-01-15 08:43:20 +00:00
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.Sh NAME
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.Nm elf_getarhdr
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.Nd retrieve ar(1) header for an archive member
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.Sh LIBRARY
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.Lb libelf
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.Sh SYNOPSIS
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.In libelf.h
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.Ft "Elf_Arhdr *"
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.Fn elf_getarhdr "Elf *elf"
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.Sh DESCRIPTION
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The
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.Fn elf_getarhdr
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function returns a pointer to an archive member header for
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a descriptor
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.Ar elf .
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This descriptor must have been returned by a prior call to
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.Xr elf_begin 3 ,
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and must be a descriptor for a member inside an
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.Xr ar 1
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archive.
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.Pp
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Structure
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.Vt Elf_Arhdr
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includes the following members:
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.Bl -tag -width indent
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.It Vt "char *" Va ar_name
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A pointer to a null terminated string containing the translated
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name of the archive member.
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.It Vt "char *" Va ar_rawname
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A pointer to a null terminated string containing the untranslated
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name for the archive member, including all
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.Xr ar 1
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formatting characters and trailing white space.
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.It Vt time_t Va ar_date
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The timestamp associated with the member.
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.It Vt uid_t Va ar_uid
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The uid of the creator of the member.
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.It Vt gid_t Va ar_gid
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The gid of the creator of the member.
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.It Vt mode_t Va ar_mode
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The file mode of the member.
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.It Vt size_t Va ar_size
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The size of the member in bytes.
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.El
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.Sh RETURN VALUES
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This function returns a valid pointer to an
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.Vt Elf_Arhdr
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structure if successful, or NULL if an error is encountered.
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.Sh ERRORS
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Function
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.Fn elf_getarhdr
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may fail with the following errors:
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.Bl -tag -width "[ELF_E_RESOURCE]"
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.It Bq Er ELF_E_ARGUMENT
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Argument
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.Ar elf
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was NULL.
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.It Bq Er ELF_E_ARGUMENT
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Argument
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.Ar elf
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was not a descriptor for a member of an
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.Xr ar 1
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archive.
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.El
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.Sh SEE ALSO
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.Xr elf 3 ,
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.Xr elf_begin 3 ,
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.Xr elf_getarsym 3 ,
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.Xr elf_memory 3
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