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/*-
* 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 1.16 2007/12/30 04:58:21 kientzle 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"
int
archive_api_feature(void)
{
return (ARCHIVE_API_FEATURE);
}
int
archive_api_version(void)
{
return (ARCHIVE_API_VERSION);
}
int
archive_version_stamp(void)
{
return (ARCHIVE_VERSION_STAMP);
}
const char *
archive_version(void)
{
return (ARCHIVE_LIBRARY_VERSION);
}
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);
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;
va_end(ap);
}
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);
}
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