/* $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); } }