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/* $OpenBSD: ls.c,v 1.3 2003/06/02 23:28:20 millert 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. 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.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
/*static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/11/93";*/
static char rcsid[] = "$OpenBSD: ls.c,v 1.3 2003/06/02 23:28:20 millert Exp $";
#endif /* not lint */
#include <sys/param.h>
#include <ufs/dir.h>
#include <sys/ttychars.h>
#include "stand.h"
main()
{
struct dinode *ip;
int fd;
for (;;) {
if ((fd = getfile("ls", 0)) == -1)
exit();
ip = &iob[fd - 3].i_ino;
if ((ip->di_mode & IFMT) != IFDIR) {
printf("ls: not a directory\n");
continue;
}
if (ip->di_size == 0) {
printf("ls: zero length directory\n");
continue;
}
ls(fd);
}
}
#define CTRL(x) (x&037)
getfile(prompt, mode)
char *prompt;
int mode;
{
int fd;
char buf[100];
do {
printf("%s: ", prompt);
gets(buf);
if (buf[0] == CTRL('d') && buf[1] == 0)
return (-1);
} while ((fd = open(buf, mode)) < 0);
return(fd);
}
typedef struct direct DP;
static
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_ino == 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_ino,
((DP *)dp)->d_name);
}
}
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