198 lines
5.7 KiB
C
198 lines
5.7 KiB
C
/*-
|
|
* 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("$FreeBSD$");
|
|
|
|
#ifdef HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
#ifdef HAVE_STDLIB_H
|
|
#include <stdlib.h>
|
|
#endif
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
|
|
#include "archive.h"
|
|
#include "archive_string.h"
|
|
#include "archive_write_private.h"
|
|
|
|
struct write_lrzip {
|
|
struct archive_write_program_data *pdata;
|
|
int compression_level;
|
|
enum { lzma = 0, bzip2, gzip, lzo, none, zpaq } compression;
|
|
};
|
|
|
|
static int archive_write_lrzip_open(struct archive_write_filter *);
|
|
static int archive_write_lrzip_options(struct archive_write_filter *,
|
|
const char *, const char *);
|
|
static int archive_write_lrzip_write(struct archive_write_filter *,
|
|
const void *, size_t);
|
|
static int archive_write_lrzip_close(struct archive_write_filter *);
|
|
static int archive_write_lrzip_free(struct archive_write_filter *);
|
|
|
|
int
|
|
archive_write_add_filter_lrzip(struct archive *_a)
|
|
{
|
|
struct archive_write_filter *f = __archive_write_allocate_filter(_a);
|
|
struct write_lrzip *data;
|
|
|
|
archive_check_magic(_a, ARCHIVE_WRITE_MAGIC,
|
|
ARCHIVE_STATE_NEW, "archive_write_add_filter_lrzip");
|
|
|
|
data = calloc(1, sizeof(*data));
|
|
if (data == NULL) {
|
|
archive_set_error(_a, ENOMEM, "Can't allocate memory");
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
data->pdata = __archive_write_program_allocate();
|
|
if (data->pdata == NULL) {
|
|
free(data);
|
|
archive_set_error(_a, ENOMEM, "Can't allocate memory");
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
|
|
f->name = "lrzip";
|
|
f->code = ARCHIVE_FILTER_LRZIP;
|
|
f->data = data;
|
|
f->open = archive_write_lrzip_open;
|
|
f->options = archive_write_lrzip_options;
|
|
f->write = archive_write_lrzip_write;
|
|
f->close = archive_write_lrzip_close;
|
|
f->free = archive_write_lrzip_free;
|
|
|
|
/* Note: This filter always uses an external program, so we
|
|
* return "warn" to inform of the fact. */
|
|
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
|
|
"Using external lrzip program for lrzip compression");
|
|
return (ARCHIVE_WARN);
|
|
}
|
|
|
|
static int
|
|
archive_write_lrzip_options(struct archive_write_filter *f, const char *key,
|
|
const char *value)
|
|
{
|
|
struct write_lrzip *data = (struct write_lrzip *)f->data;
|
|
|
|
if (strcmp(key, "compression") == 0) {
|
|
if (value == NULL)
|
|
return (ARCHIVE_WARN);
|
|
else if (strcmp(value, "bzip2") == 0)
|
|
data->compression = bzip2;
|
|
else if (strcmp(value, "gzip") == 0)
|
|
data->compression = gzip;
|
|
else if (strcmp(value, "lzo") == 0)
|
|
data->compression = lzo;
|
|
else if (strcmp(value, "none") == 0)
|
|
data->compression = none;
|
|
else if (strcmp(value, "zpaq") == 0)
|
|
data->compression = zpaq;
|
|
else
|
|
return (ARCHIVE_WARN);
|
|
return (ARCHIVE_OK);
|
|
} else if (strcmp(key, "compression-level") == 0) {
|
|
if (value == NULL || !(value[0] >= '1' && value[0] <= '9') ||
|
|
value[1] != '\0')
|
|
return (ARCHIVE_WARN);
|
|
data->compression_level = value[0] - '0';
|
|
return (ARCHIVE_OK);
|
|
}
|
|
/* Note: The "warn" return is just to inform the options
|
|
* supervisor that we didn't handle it. It will generate
|
|
* a suitable error if no one used this option. */
|
|
return (ARCHIVE_WARN);
|
|
}
|
|
|
|
static int
|
|
archive_write_lrzip_open(struct archive_write_filter *f)
|
|
{
|
|
struct write_lrzip *data = (struct write_lrzip *)f->data;
|
|
struct archive_string as;
|
|
int r;
|
|
|
|
archive_string_init(&as);
|
|
archive_strcpy(&as, "lrzip -q");
|
|
|
|
/* Specify compression type. */
|
|
switch (data->compression) {
|
|
case lzma:/* default compression */
|
|
break;
|
|
case bzip2:
|
|
archive_strcat(&as, " -b");
|
|
break;
|
|
case gzip:
|
|
archive_strcat(&as, " -g");
|
|
break;
|
|
case lzo:
|
|
archive_strcat(&as, " -l");
|
|
break;
|
|
case none:
|
|
archive_strcat(&as, " -n");
|
|
break;
|
|
case zpaq:
|
|
archive_strcat(&as, " -z");
|
|
break;
|
|
}
|
|
|
|
/* Specify compression level. */
|
|
if (data->compression_level > 0) {
|
|
archive_strcat(&as, " -L ");
|
|
archive_strappend_char(&as, '0' + data->compression_level);
|
|
}
|
|
|
|
r = __archive_write_program_open(f, data->pdata, as.s);
|
|
archive_string_free(&as);
|
|
return (r);
|
|
}
|
|
|
|
static int
|
|
archive_write_lrzip_write(struct archive_write_filter *f,
|
|
const void *buff, size_t length)
|
|
{
|
|
struct write_lrzip *data = (struct write_lrzip *)f->data;
|
|
|
|
return __archive_write_program_write(f, data->pdata, buff, length);
|
|
}
|
|
|
|
static int
|
|
archive_write_lrzip_close(struct archive_write_filter *f)
|
|
{
|
|
struct write_lrzip *data = (struct write_lrzip *)f->data;
|
|
|
|
return __archive_write_program_close(f, data->pdata);
|
|
}
|
|
|
|
static int
|
|
archive_write_lrzip_free(struct archive_write_filter *f)
|
|
{
|
|
struct write_lrzip *data = (struct write_lrzip *)f->data;
|
|
|
|
__archive_write_program_free(data->pdata);
|
|
free(data);
|
|
return (ARCHIVE_OK);
|
|
}
|