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/* $MirOS: contrib/hosted/fwcf/mkfwcf/mkfwcf.c,v 1.13 2006/09/24 20:35:00 tg Exp $ */
/*-
* Copyright (c) 2006
* Thorsten Glaser <tg@mirbsd.de>
*
* Licensee is hereby permitted to deal in this work without restric-
* tion, including unlimited rights to use, publicly perform, modify,
* merge, distribute, sell, give away or sublicence, provided all co-
* pyright notices above, these terms and the disclaimer are retained
* in all redistributions or reproduced in accompanying documentation
* or other materials provided with binary redistributions.
*
* Licensor offers the work "AS IS" and WITHOUT WARRANTY of any kind,
* express, or implied, to the maximum extent permitted by applicable
* law, without malicious intent or gross negligence; in no event may
* licensor, an author or contributor be held liable for any indirect
* or other damage, or direct damage except proven a consequence of a
* direct error of said person and intended use of this work, loss or
* other issues arising in any way out of its use, even if advised of
* the possibility of such damage or existence of a defect.
*/
#include <sys/param.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "defs.h"
#include "compress.h"
#include "pack.h"
__RCSID("$MirOS: contrib/hosted/fwcf/mkfwcf/mkfwcf.c,v 1.13 2006/09/24 20:35:00 tg Exp $");
static int mkfwcf(int, const char *, int);
static __dead void usage(void);
int
main(int argc, char *argv[])
{
int c;
int fd = STDOUT_FILENO, docompress = 0, doempty = 0;
const char *file_root = NULL, *outfile = NULL;
while ((c = getopt(argc, argv, "C:celo:")) != -1)
switch (c) {
case 'C':
if (!(docompress = strtonum(optarg, 1, 255, NULL)))
usage();
break;
case 'c':
docompress = 1;
break;
case 'e':
doempty = 1;
break;
case 'l':
return (list_compressors());
case 'o':
outfile = optarg;
break;
default:
usage();
}
argc -= optind;
argv += optind;
if ((argc < 0) || (argc > 1))
usage();
if (argc && doempty)
usage();
if (argc)
file_root = *argv;
if (outfile != NULL)
if ((fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC,
0666)) < 0)
err(1, "open %s", outfile);
if ((file_root == NULL) && !doempty)
if ((file_root = getcwd(NULL, 0)) == NULL)
err(1, "cannot determine current working directory");
return (mkfwcf(fd, doempty ? NULL : file_root, docompress));
}
static __dead void
usage(void)
{
extern const char *__progname;
fprintf(stderr, "Usage:\t%s [-e] [-c | -C <algorithm-number>] [-o <outfile>]"
"\n\t [<directory>]\n\t%s -l\n", __progname, __progname);
exit(1);
}
static int
mkfwcf(int fd, const char *dir, int algo)
{
size_t sz;
char *data;
data = fwcf_packm(dir, algo, &sz);
return ((size_t)write(fd, data, sz) == sz ? 0 : 1);
}
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