2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2007 Kai Wang
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #define BSDAR_VERSION "1.1.0"
34 #define AR_A 0x0001 /* position-after */
35 #define AR_B 0x0002 /* position-before */
36 #define AR_C 0x0004 /* creating new archive */
37 #define AR_CC 0x0008 /* do not overwrite when extracting */
38 #define AR_J 0x0010 /* bzip2 compression */
39 #define AR_O 0x0020 /* preserve original mtime when extracting */
40 #define AR_S 0x0040 /* write archive symbol table */
41 #define AR_SS 0x0080 /* do not write archive symbol table */
42 #define AR_TR 0x0100 /* only keep first 15 chars for member name */
43 #define AR_U 0x0200 /* only extract or update newer members.*/
44 #define AR_V 0x0400 /* verbose mode */
45 #define AR_Z 0x0800 /* gzip compression */
46 #define AR_D 0x1000 /* insert dummy mode, mtime, uid and gid */
48 #define DEF_BLKSZ 10240 /* default block size */
51 * Convenient wrapper for general libarchive error handling.
53 #define AC(CALL) do { \
55 bsdar_errc(bsdar, archive_errno(a), "%s", \
56 archive_error_string(a)); \
60 * In-memory representation of archive member(object).
63 char *name; /* member name */
64 void *maddr; /* mmap start address */
65 uid_t uid; /* user id */
66 gid_t gid; /* group id */
67 mode_t md; /* octal file permissions */
68 size_t size; /* member size */
69 time_t mtime; /* modification time */
70 int fd; /* file descriptor */
71 dev_t dev; /* inode's device */
72 ino_t ino; /* inode's number */
74 TAILQ_ENTRY(ar_obj) objs;
78 * Structure encapsulates the "global" data for "ar" program.
81 const char *filename; /* archive name. */
82 const char *addlib; /* target of ADDLIB. */
83 const char *posarg; /* position arg for modifiers -a, -b. */
84 char mode; /* program mode */
85 int options; /* command line options */
87 const char *progname; /* program name */
92 * Fields for the archive string table.
94 char *as; /* buffer for archive string table. */
95 size_t as_sz; /* current size of as table. */
96 size_t as_cap; /* capacity of as table buffer. */
99 * Fields for the archive symbol table.
101 uint64_t s_cnt; /* current number of symbols. */
102 uint64_t *s_so; /* symbol offset table. */
103 uint64_t s_so_max; /* maximum symbol offset. */
104 size_t s_so_cap; /* capacity of so table buffer. */
106 char *s_sn; /* symbol name table */
107 size_t s_sn_cap; /* capacity of sn table buffer. */
108 size_t s_sn_sz; /* current size of sn table. */
109 /* Current member's offset (relative to the end of pseudo members.) */
112 TAILQ_HEAD(, ar_obj) v_obj; /* object(member) list */
115 void ar_mode_script(struct bsdar *ar);
116 int ar_read_archive(struct bsdar *ar, int mode, FILE *out);
117 int ar_write_archive(struct bsdar *ar, int mode);
118 void bsdar_errc(struct bsdar *, int _code, const char *fmt, ...) __dead2;
119 void bsdar_warnc(struct bsdar *, int _code, const char *fmt, ...);