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Programs that read the members of archive (.a) files include <ar.h> for struct ar_hdr and the ARMAG, SARMAG and ARFMAG constants, and NuttX did not have it. The header describes the common ar file format: the magic string, then a 60-byte ASCII header per member. Assisted-by: Claude Code:claude-opus-5-5 Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
55 lines
2.3 KiB
C
55 lines
2.3 KiB
C
/****************************************************************************
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* include/ar.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_AR_H
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#define __INCLUDE_AR_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The layout of an archive (.a) file, as written by ar(1): the magic string
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* ARMAG, then one struct ar_hdr per member, each followed by the member
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* data padded to an even size. All header fields are ASCII, padded with
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* spaces.
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*/
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#define ARMAG "!<arch>\n" /* Magic string at the start of the file */
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#define SARMAG 8 /* Length of ARMAG */
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#define ARFMAG "`\n" /* Value of ar_fmag in every header */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct ar_hdr
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{
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char ar_name[16]; /* Member name, terminated by '/' (GNU) or a space */
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char ar_date[12]; /* Modification time, decimal seconds since the epoch */
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char ar_uid[6]; /* Owner user ID, decimal */
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char ar_gid[6]; /* Owner group ID, decimal */
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char ar_mode[8]; /* File mode, octal */
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char ar_size[10]; /* Size of the member data in bytes, decimal */
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char ar_fmag[2]; /* Always ARFMAG */
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};
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#endif /* __INCLUDE_AR_H */
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