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/*-
* Copyright (c) 2011-2014, Mike Kazantsev
* 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 <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include "bsdcat.h"
#include "err.h"
#define BYTES_PER_BLOCK (20*512)
struct archive *a;
struct archive_entry *ae;
char *bsdcat_current_path;
int c, err;
static struct option long_options[] = {
{"help", 0, 0, 'h'},
{"version", 0, 0, 'v'},
{NULL, 0, NULL, 0}
};
void
usage(void)
{
const char *p;
p = lafe_getprogname();
fprintf(stderr, "Usage: %s [-h] [--help] [--version] [--] [filenames...]\n", p);
exit(1);
}
static void
version(void)
{
printf("bsdcat %s - %s\n",
BSDCAT_VERSION_STRING,
archive_version_details());
exit(0);
}
void
bsdcat_next()
{
a = archive_read_new();
archive_read_support_filter_all(a);
archive_read_support_format_raw(a);
}
void
bsdcat_read_to_stdout(char* filename)
{
if ((archive_read_open_filename(a, filename, BYTES_PER_BLOCK) != ARCHIVE_OK)
|| (archive_read_next_header(a, &ae) != ARCHIVE_OK)
|| (archive_read_data_into_fd(a, 1) != ARCHIVE_OK)
|| (archive_read_free(a) != ARCHIVE_OK))
goto fail;
return;
fail:
lafe_errc(1, 0, "Error: %s - %s",
bsdcat_current_path, archive_error_string(a));
}
int
main(int argc, char **argv)
{
lafe_setprogname(*argv, "bsdcat");
int option_index = 0;
while ((c = getopt_long(argc, argv, "h",
long_options, &option_index)) != -1) {
switch (c) {
case 'v':
version();
break;
default:
usage();
}
}
bsdcat_next();
if (optind >= argc) {
bsdcat_current_path = "<stdin>";
bsdcat_read_to_stdout(NULL);
} else
while (optind < argc) {
bsdcat_current_path = argv[optind++];
bsdcat_read_to_stdout(bsdcat_current_path);
bsdcat_next();
}
exit(0);
}
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