/* $NetBSD: ls.c,v 1.5 2014/03/20 03:13:18 christos Exp $ */ /*- * Copyright (c) 2011 * The NetBSD Foundation, Inc. All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Martin Husemann. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * 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. */ /* * Copyright (c) 1996 * Matthias Drochner. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "stand.h" #include "ls.h" #include <sys/stat.h> #include <lib/libkern/libkern.h> void ls(const char *path) { int fd; struct stat sb; size_t size; const char *fname = 0; char *p; struct open_file *f; if ((fd = open(path, 0)) < 0 || fstat(fd, &sb) < 0 || (sb.st_mode & S_IFMT) != S_IFDIR) { /* Path supplied isn't a directory, open parent directory and list matching files. */ if (fd >= 0) close(fd); fname = strrchr(path, '/'); if (fname) { size = fname - path; fname++; p = alloc(size + 1); if (!p) goto out; memcpy(p, path, size); p[size] = 0; fd = open(p, 0); dealloc(p, size + 1); } else { fd = open("", 0); fname = path; } if (fd < 0) { printf("ls: %s\n", strerror(errno)); return; } if (fstat(fd, &sb) < 0) { printf("stat: %s\n", strerror(errno)); goto out; } if ((sb.st_mode & S_IFMT) != S_IFDIR) { printf("%s: %s\n", path, strerror(ENOTDIR)); goto out; } } f = &files[fd]; #if !defined(LIBSA_NO_FD_CHECKING) if ((unsigned int)fd >= SOPEN_MAX || f->f_flags == 0) { errno = EBADF; goto out; } #endif #if !defined(LIBSA_NO_RAW_ACCESS) /* operation not defined on raw devices */ if (f->f_flags & F_RAW) { errno = EOPNOTSUPP; goto out; } #endif if (FS_LS(f->f_ops) != NULL) FS_LS(f->f_ops)(f, fname); else printf("no ls support for this file system\n"); out: close(fd); } struct lsentry { struct lsentry *e_next; uint32_t e_ino; const char *e_type; char e_name[1]; }; __compactcall void lsadd(lsentry_t **names, const char *pattern, const char *name, size_t namelen, uint32_t ino, const char *type) { lsentry_t *n, **np; if (pattern && !fnmatch(name, pattern)) return; n = alloc(sizeof *n + namelen); if (!n) { printf("%d: %.*s (%s)\n", ino, (int)namelen, name, type); return; } n->e_ino = ino; n->e_type = type; memcpy(n->e_name, name, namelen); n->e_name[namelen] = '\0'; for (np = names; *np; np = &(*np)->e_next) { if (strcmp(n->e_name, (*np)->e_name) < 0) break; } n->e_next = *np; *np = n; } __compactcall void lsprint(lsentry_t *names) { if (!names) { printf("not found\n"); return; } do { lsentry_t *n = names; printf("%d: %s (%s)\n", n->e_ino, n->e_name, n->e_type); names = n->e_next; } while (names); } __compactcall void lsfree(lsentry_t *names) { if (!names) return; do { lsentry_t *n = names; names = n->e_next; dealloc(n, 0); } while (names); } __compactcall void lsunsup(const char *name) { printf("The ls command is not currently supported for %s\n", name); }
