| /*- |
| * Copyright (c) 2003-2007 Tim Kientzle |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "archive_platform.h" |
| __FBSDID("$FreeBSD: src/lib/libarchive/archive_util.c,v 1.19 2008/10/21 12:10:30 des Exp $"); |
| |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #ifdef HAVE_STRING_H |
| #include <string.h> |
| #endif |
| |
| #include "archive.h" |
| #include "archive_private.h" |
| #include "archive_string.h" |
| |
| #if ARCHIVE_VERSION_NUMBER < 3000000 |
| /* These disappear in libarchive 3.0 */ |
| /* Deprecated. */ |
| int |
| archive_api_feature(void) |
| { |
| return (ARCHIVE_API_FEATURE); |
| } |
| |
| /* Deprecated. */ |
| int |
| archive_api_version(void) |
| { |
| return (ARCHIVE_API_VERSION); |
| } |
| |
| /* Deprecated synonym for archive_version_number() */ |
| int |
| archive_version_stamp(void) |
| { |
| return (archive_version_number()); |
| } |
| |
| /* Deprecated synonym for archive_version_string() */ |
| const char * |
| archive_version(void) |
| { |
| return (archive_version_string()); |
| } |
| #endif |
| |
| int |
| archive_version_number(void) |
| { |
| return (ARCHIVE_VERSION_NUMBER); |
| } |
| |
| const char * |
| archive_version_string(void) |
| { |
| return (ARCHIVE_VERSION_STRING); |
| } |
| |
| int |
| archive_errno(struct archive *a) |
| { |
| return (a->archive_error_number); |
| } |
| |
| const char * |
| archive_error_string(struct archive *a) |
| { |
| |
| if (a->error != NULL && *a->error != '\0') |
| return (a->error); |
| else |
| return ("(Empty error message)"); |
| } |
| |
| |
| int |
| archive_format(struct archive *a) |
| { |
| return (a->archive_format); |
| } |
| |
| const char * |
| archive_format_name(struct archive *a) |
| { |
| return (a->archive_format_name); |
| } |
| |
| |
| int |
| archive_compression(struct archive *a) |
| { |
| return (a->compression_code); |
| } |
| |
| const char * |
| archive_compression_name(struct archive *a) |
| { |
| return (a->compression_name); |
| } |
| |
| |
| /* |
| * Return a count of the number of compressed bytes processed. |
| */ |
| int64_t |
| archive_position_compressed(struct archive *a) |
| { |
| return (a->raw_position); |
| } |
| |
| /* |
| * Return a count of the number of uncompressed bytes processed. |
| */ |
| int64_t |
| archive_position_uncompressed(struct archive *a) |
| { |
| return (a->file_position); |
| } |
| |
| void |
| archive_clear_error(struct archive *a) |
| { |
| archive_string_empty(&a->error_string); |
| a->error = NULL; |
| } |
| |
| void |
| archive_set_error(struct archive *a, int error_number, const char *fmt, ...) |
| { |
| va_list ap; |
| #ifdef HAVE_STRERROR_R |
| char errbuff[512]; |
| #endif |
| char *errp; |
| |
| a->archive_error_number = error_number; |
| if (fmt == NULL) { |
| a->error = NULL; |
| return; |
| } |
| |
| va_start(ap, fmt); |
| archive_string_vsprintf(&(a->error_string), fmt, ap); |
| va_end(ap); |
| if (error_number > 0) { |
| archive_strcat(&(a->error_string), ": "); |
| #ifdef HAVE_STRERROR_R |
| #ifdef STRERROR_R_CHAR_P |
| errp = strerror_r(error_number, errbuff, sizeof(errbuff)); |
| #else |
| strerror_r(error_number, errbuff, sizeof(errbuff)); |
| errp = errbuff; |
| #endif |
| #else |
| /* Note: this is not threadsafe! */ |
| errp = strerror(error_number); |
| #endif |
| archive_strcat(&(a->error_string), errp); |
| } |
| a->error = a->error_string.s; |
| } |
| |
| void |
| archive_copy_error(struct archive *dest, struct archive *src) |
| { |
| dest->archive_error_number = src->archive_error_number; |
| |
| archive_string_copy(&dest->error_string, &src->error_string); |
| dest->error = dest->error_string.s; |
| } |
| |
| void |
| __archive_errx(int retvalue, const char *msg) |
| { |
| static const char *msg1 = "Fatal Internal Error in libarchive: "; |
| write(2, msg1, strlen(msg1)); |
| write(2, msg, strlen(msg)); |
| write(2, "\n", 1); |
| exit(retvalue); |
| } |