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("$FreeBSD$");
29 #ifdef HAVE_SYS_TYPES_H
30 #include <sys/types.h>
40 #include "archive_private.h"
41 #include "archive_string.h"
43 #if ARCHIVE_VERSION_NUMBER < 3000000
44 /* These disappear in libarchive 3.0 */
47 archive_api_feature(void)
49 return (ARCHIVE_API_FEATURE);
54 archive_api_version(void)
56 return (ARCHIVE_API_VERSION);
59 /* Deprecated synonym for archive_version_number() */
61 archive_version_stamp(void)
63 return (archive_version_number());
66 /* Deprecated synonym for archive_version_string() */
70 return (archive_version_string());
75 archive_version_number(void)
77 return (ARCHIVE_VERSION_NUMBER);
81 * Format a version string of the form "libarchive x.y.z", where x, y,
82 * z are the correct parts of the version ID from
83 * archive_version_number().
85 * I used to do all of this at build time in shell scripts but that
86 * proved to be a portability headache.
90 archive_version_string(void)
92 static char buff[128];
93 struct archive_string as;
96 if (buff[0] == '\0') {
97 n = archive_version_number();
98 memset(&as, 0, sizeof(as));
99 archive_string_sprintf(&as, "libarchive %d.%d.%d",
100 n / 1000000, (n / 1000) % 1000, n % 1000);
101 strncpy(buff, as.s, sizeof(buff));
102 buff[sizeof(buff) - 1] = '\0';
103 archive_string_free(&as);
109 archive_errno(struct archive *a)
111 return (a->archive_error_number);
115 archive_error_string(struct archive *a)
118 if (a->error != NULL && *a->error != '\0')
121 return ("(Empty error message)");
126 archive_format(struct archive *a)
128 return (a->archive_format);
132 archive_format_name(struct archive *a)
134 return (a->archive_format_name);
139 archive_compression(struct archive *a)
141 return (a->compression_code);
145 archive_compression_name(struct archive *a)
147 return (a->compression_name);
152 * Return a count of the number of compressed bytes processed.
155 archive_position_compressed(struct archive *a)
157 return (a->raw_position);
161 * Return a count of the number of uncompressed bytes processed.
164 archive_position_uncompressed(struct archive *a)
166 return (a->file_position);
170 archive_clear_error(struct archive *a)
172 archive_string_empty(&a->error_string);
177 archive_set_error(struct archive *a, int error_number, const char *fmt, ...)
180 #ifdef HAVE_STRERROR_R
185 a->archive_error_number = error_number;
192 archive_string_vsprintf(&(a->error_string), fmt, ap);
193 if (error_number > 0) {
194 archive_strcat(&(a->error_string), ": ");
195 #ifdef HAVE_STRERROR_R
196 #ifdef STRERROR_R_CHAR_P
197 errp = strerror_r(error_number, errbuff, sizeof(errbuff));
199 strerror_r(error_number, errbuff, sizeof(errbuff));
203 /* Note: this is not threadsafe! */
204 errp = strerror(error_number);
206 archive_strcat(&(a->error_string), errp);
208 a->error = a->error_string.s;
213 archive_copy_error(struct archive *dest, struct archive *src)
215 dest->archive_error_number = src->archive_error_number;
217 archive_string_copy(&dest->error_string, &src->error_string);
218 dest->error = dest->error_string.s;
222 __archive_errx(int retvalue, const char *msg)
224 static const char *msg1 = "Fatal Internal Error in libarchive: ";
225 write(2, msg1, strlen(msg1));
226 write(2, msg, strlen(msg));