diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/stand/ls.c |
initial import of NetBSD tree
Diffstat (limited to 'sys/stand/ls.c')
-rw-r--r-- | sys/stand/ls.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sys/stand/ls.c b/sys/stand/ls.c new file mode 100644 index 00000000000..b484023fd6e --- /dev/null +++ b/sys/stand/ls.c @@ -0,0 +1,112 @@ +/*- + * 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. + */ + +#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[] = "$NetBSD: ls.c,v 1.5 1994/06/29 06:43:30 cgd 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); + } +} |