xref: /minix3/external/bsd/elftoolchain/dist/libelf/elf_getarhdr.3 (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1.\"	$NetBSD: elf_getarhdr.3,v 1.2 2014/03/09 16:58:04 christos Exp $
2.\"
3.\" Copyright (c) 2006,2008 Joseph Koshy.  All rights reserved.
4.\"
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8.\" 1. Redistributions of source code must retain the above copyright
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14.\" This software is provided by Joseph Koshy ``as is'' and
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26.\" Id: elf_getarhdr.3 189 2008-07-20 10:38:08Z jkoshy
27.\"
28.Dd August 15, 2006
29.Os
30.Dt ELF_GETARHDR 3
31.Sh NAME
32.Nm elf_getarhdr
33.Nd retrieve ar(1) header for an archive member
34.Sh LIBRARY
35.Lb libelf
36.Sh SYNOPSIS
37.In libelf.h
38.Ft "Elf_Arhdr *"
39.Fn elf_getarhdr "Elf *elf"
40.Sh DESCRIPTION
41The
42.Fn elf_getarhdr
43function returns a pointer to an archive member header for
44a descriptor
45.Ar elf .
46This descriptor must have been returned by a prior call to
47.Xr elf_begin 3 ,
48and must be a descriptor for a member inside an
49.Xr ar 1
50archive.
51.Pp
52Structure
53.Vt Elf_Arhdr
54includes the following members:
55.Bl -tag -width indent
56.It Vt "char *" Va ar_name
57A pointer to a null terminated string containing the translated
58name of the archive member.
59.It Vt "char *" Va ar_rawname
60A pointer to a null terminated string containing the untranslated
61name for the archive member, including all
62.Xr ar 1
63formatting characters and trailing white space.
64.It Vt time_t Va ar_date
65The timestamp associated with the member.
66.It Vt uid_t Va ar_uid
67The uid of the creator of the member.
68.It Vt gid_t Va ar_gid
69The gid of the creator of the member.
70.It Vt mode_t Va ar_mode
71The file mode of the member.
72.It Vt size_t Va ar_size
73The size of the member in bytes.
74.El
75.Sh RETURN VALUES
76This function returns a valid pointer to an
77.Vt Elf_Arhdr
78structure if successful, or NULL if an error is encountered.
79.Sh ERRORS
80Function
81.Fn elf_getarhdr
82may fail with the following errors:
83.Bl -tag -width "[ELF_E_RESOURCE]"
84.It Bq Er ELF_E_ARGUMENT
85Argument
86.Ar elf
87was NULL.
88.It Bq Er ELF_E_ARGUMENT
89Argument
90.Ar elf
91was not a descriptor for a member of an
92.Xr ar 1
93archive.
94.El
95.Sh SEE ALSO
96.Xr elf 3 ,
97.Xr elf_begin 3 ,
98.Xr elf_getarsym 3 ,
99.Xr elf_memory 3
100