2 * Copyright (c) 2003-2007 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include "archive_platform.h"
27 __FBSDID("$FreeBSD: src/lib/libarchive/archive_util.c,v 1.16 2007/12/30 04:58:21 kientzle Exp $");
29 #ifdef HAVE_SYS_TYPES_H
30 #include <sys/types.h>
40 #include "archive_private.h"
43 archive_api_feature(void)
45 return (ARCHIVE_API_FEATURE
);
49 archive_api_version(void)
51 return (ARCHIVE_API_VERSION
);
55 archive_version_stamp(void)
57 return (ARCHIVE_VERSION_STAMP
);
63 return (ARCHIVE_LIBRARY_VERSION
);
67 archive_errno(struct archive
*a
)
69 return (a
->archive_error_number
);
73 archive_error_string(struct archive
*a
)
76 if (a
->error
!= NULL
&& *a
->error
!= '\0')
79 return ("(Empty error message)");
84 archive_format(struct archive
*a
)
86 return (a
->archive_format
);
90 archive_format_name(struct archive
*a
)
92 return (a
->archive_format_name
);
97 archive_compression(struct archive
*a
)
99 return (a
->compression_code
);
103 archive_compression_name(struct archive
*a
)
105 return (a
->compression_name
);
110 * Return a count of the number of compressed bytes processed.
113 archive_position_compressed(struct archive
*a
)
115 return (a
->raw_position
);
119 * Return a count of the number of uncompressed bytes processed.
122 archive_position_uncompressed(struct archive
*a
)
124 return (a
->file_position
);
128 archive_clear_error(struct archive
*a
)
130 archive_string_empty(&a
->error_string
);
135 archive_set_error(struct archive
*a
, int error_number
, const char *fmt
, ...)
138 #ifdef HAVE_STRERROR_R
143 a
->archive_error_number
= error_number
;
150 archive_string_vsprintf(&(a
->error_string
), fmt
, ap
);
151 if (error_number
> 0) {
152 archive_strcat(&(a
->error_string
), ": ");
153 #ifdef HAVE_STRERROR_R
154 #ifdef STRERROR_R_CHAR_P
155 errp
= strerror_r(error_number
, errbuff
, sizeof(errbuff
));
157 strerror_r(error_number
, errbuff
, sizeof(errbuff
));
161 /* Note: this is not threadsafe! */
162 errp
= strerror(error_number
);
164 archive_strcat(&(a
->error_string
), errp
);
166 a
->error
= a
->error_string
.s
;
171 archive_copy_error(struct archive
*dest
, struct archive
*src
)
173 dest
->archive_error_number
= src
->archive_error_number
;
175 archive_string_copy(&dest
->error_string
, &src
->error_string
);
176 dest
->error
= dest
->error_string
.s
;
180 __archive_errx(int retvalue
, const char *msg
)
182 static const char *msg1
= "Fatal Internal Error in libarchive: ";
183 write(2, msg1
, strlen(msg1
));
184 write(2, msg
, strlen(msg
));