121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/* $NetBSD: ls.c,v 1.3 1997/06/13 13:48:47 drochner Exp $ */
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/*
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1996
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* Matthias Drochner. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ufs/dir.h>
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#include "stand.h"
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static char *typestr[] = {
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"unknown",
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"FIFO",
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"CHR",
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0,
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"DIR",
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0,
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"BLK",
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0,
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"REG",
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0,
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"LNK",
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0,
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"SOCK",
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0,
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"WHT"
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};
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void
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ls(path)
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char *path;
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{
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int fd;
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struct stat sb;
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size_t size;
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char dirbuf[DIRBLKSIZ];
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fd = open(path, 0);
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if (fd < 0) {
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printf("ls: %s\n", strerror(errno));
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return;
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}
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if (fstat(fd, &sb) < 0) {
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printf("stat: %s\n", strerror(errno));
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goto out;
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}
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if ((sb.st_mode & IFMT) != IFDIR) {
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printf("%s: %s\n", path, strerror(ENOTDIR));
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goto out;
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}
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while ((size = read(fd, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ) {
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struct direct *dp, *edp;
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dp = (struct direct *) dirbuf;
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edp = (struct direct *) (dirbuf + size);
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while (dp < edp) {
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if (dp->d_ino != (ino_t) 0) {
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char *t;
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if ((dp->d_namlen > MAXNAMLEN + 1) ||
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(dp->d_type >
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sizeof(typestr) / sizeof(char *) - 1) ||
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!(t = typestr[dp->d_type])) {
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/*
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* This does not handle "old"
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* filesystems properly. On little
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* endian machines, we get a bogus
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* type name if the namlen matches a
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* valid type identifier. We could
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* check if we read namlen "0" and
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* handle this case specially, if
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* there were a pressing need...
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*/
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printf("bad dir entry\n");
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goto out;
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}
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printf("%d: %s (%s)\n", dp->d_ino,
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dp->d_name, t);
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}
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dp = (struct direct *) ((char *) dp + dp->d_reclen);
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}
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}
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out:
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close(fd);
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}
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