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));