112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/* $NetBSD: ls.c,v 1.8 1998/09/13 15:19:13 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 <sys/cdefs.h>
|
|
#ifndef lint
|
|
__COPYRIGHT("@(#) Copyright (c) 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n");
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)ls.c 8.1 (Berkeley) 6/11/93";
|
|
#else
|
|
__RCSID("$NetBSD: ls.c,v 1.8 1998/09/13 15:19:13 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/dirent.h>
|
|
#include <ufs/ufs/dir.h>
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <sys/ttychars.h>
|
|
#include <lib/libsa/stand.h>
|
|
|
|
int main __P((void));
|
|
static void ls __P((int));
|
|
|
|
int
|
|
main()
|
|
{
|
|
struct stat st;
|
|
int fd;
|
|
|
|
for (;;) {
|
|
if ((fd = getfile("ls", 0)) == -1)
|
|
exit();
|
|
|
|
if (fstat(fd, &st) == -1) {
|
|
printf("ls: cannot stat\n");
|
|
continue;
|
|
}
|
|
|
|
if (!S_ISDIR(st.st_mode)) {
|
|
printf("ls: not a direntory\n");
|
|
continue;
|
|
}
|
|
if (st.st_size == 0) {
|
|
printf("ls: zero length direntory\n");
|
|
continue;
|
|
}
|
|
ls(fd);
|
|
}
|
|
}
|
|
|
|
typedef struct dirent DP;
|
|
static void
|
|
ls(fd)
|
|
register int fd;
|
|
{
|
|
register int size;
|
|
register char *dp;
|
|
char dirbuf[DIRBLKSIZ];
|
|
|
|
printf("\ninode\tname\n");
|
|
while ((size = read(fd, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ)
|
|
for (dp = dirbuf; (dp < (dirbuf + size)) &&
|
|
(dp + ((DP *)dp)->d_reclen) < (dirbuf + size);
|
|
dp += ((DP *)dp)->d_reclen) {
|
|
if (((DP *)dp)->d_fileno == 0)
|
|
continue;
|
|
if (((DP *)dp)->d_namlen > MAXNAMLEN+1) {
|
|
printf("Corrupt file name length! Run fsck soon!\n");
|
|
return;
|
|
}
|
|
printf("%d\t%s\n", ((DP *)dp)->d_fileno,
|
|
((DP *)dp)->d_name);
|
|
}
|
|
}
|