1 /* $NetBSD: ls.c,v 1.5 2014/03/20 03:13:18 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 5 * The NetBSD Foundation, Inc. All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Martin Husemann. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 */ 60 61 /* 62 * Copyright (c) 1996 63 * Matthias Drochner. All rights reserved. 64 * 65 * Redistribution and use in source and binary forms, with or without 66 * modification, are permitted provided that the following conditions 67 * are met: 68 * 1. Redistributions of source code must retain the above copyright 69 * notice, this list of conditions and the following disclaimer. 70 * 2. Redistributions in binary form must reproduce the above copyright 71 * notice, this list of conditions and the following disclaimer in the 72 * documentation and/or other materials provided with the distribution. 73 * 74 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 75 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 76 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 77 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 78 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 79 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 80 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 81 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 82 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 83 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 84 */ 85 86 87 #include "stand.h" 88 #include "ls.h" 89 #include <sys/stat.h> 90 #include <lib/libkern/libkern.h> 91 92 void 93 ls(const char *path) 94 { 95 int fd; 96 struct stat sb; 97 size_t size; 98 const char *fname = 0; 99 char *p; 100 struct open_file *f; 101 102 if ((fd = open(path, 0)) < 0 103 || fstat(fd, &sb) < 0 104 || (sb.st_mode & S_IFMT) != S_IFDIR) { 105 /* Path supplied isn't a directory, open parent 106 directory and list matching files. */ 107 if (fd >= 0) 108 close(fd); 109 fname = strrchr(path, '/'); 110 if (fname) { 111 size = fname - path; 112 fname++; 113 p = alloc(size + 1); 114 if (!p) 115 goto out; 116 memcpy(p, path, size); 117 p[size] = 0; 118 fd = open(p, 0); 119 dealloc(p, size + 1); 120 } else { 121 fd = open("", 0); 122 fname = path; 123 } 124 125 if (fd < 0) { 126 printf("ls: %s\n", strerror(errno)); 127 return; 128 } 129 if (fstat(fd, &sb) < 0) { 130 printf("stat: %s\n", strerror(errno)); 131 goto out; 132 } 133 if ((sb.st_mode & S_IFMT) != S_IFDIR) { 134 printf("%s: %s\n", path, strerror(ENOTDIR)); 135 goto out; 136 } 137 } 138 139 f = &files[fd]; 140 141 #if !defined(LIBSA_NO_FD_CHECKING) 142 if ((unsigned int)fd >= SOPEN_MAX || f->f_flags == 0) { 143 errno = EBADF; 144 goto out; 145 } 146 #endif 147 148 #if !defined(LIBSA_NO_RAW_ACCESS) 149 /* operation not defined on raw devices */ 150 if (f->f_flags & F_RAW) { 151 errno = EOPNOTSUPP; 152 goto out; 153 } 154 #endif 155 156 if (FS_LS(f->f_ops) != NULL) 157 FS_LS(f->f_ops)(f, fname); 158 else 159 printf("no ls support for this file system\n"); 160 161 out: 162 close(fd); 163 } 164 165 struct lsentry { 166 struct lsentry *e_next; 167 uint32_t e_ino; 168 const char *e_type; 169 char e_name[1]; 170 }; 171 172 __compactcall void 173 lsadd(lsentry_t **names, const char *pattern, const char *name, size_t namelen, 174 uint32_t ino, const char *type) 175 { 176 lsentry_t *n, **np; 177 178 if (pattern && !fnmatch(name, pattern)) 179 return; 180 181 n = alloc(sizeof *n + namelen); 182 if (!n) { 183 printf("%d: %.*s (%s)\n", ino, (int)namelen, name, type); 184 return; 185 } 186 187 n->e_ino = ino; 188 n->e_type = type; 189 memcpy(n->e_name, name, namelen); 190 n->e_name[namelen] = '\0'; 191 192 for (np = names; *np; np = &(*np)->e_next) { 193 if (strcmp(n->e_name, (*np)->e_name) < 0) 194 break; 195 } 196 n->e_next = *np; 197 *np = n; 198 } 199 200 __compactcall void 201 lsprint(lsentry_t *names) { 202 if (!names) { 203 printf("not found\n"); 204 return; 205 } 206 do { 207 lsentry_t *n = names; 208 printf("%d: %s (%s)\n", n->e_ino, n->e_name, n->e_type); 209 names = n->e_next; 210 } while (names); 211 } 212 213 __compactcall void 214 lsfree(lsentry_t *names) { 215 if (!names) 216 return; 217 do { 218 lsentry_t *n = names; 219 names = n->e_next; 220 dealloc(n, 0); 221 } while (names); 222 } 223 224 __compactcall void 225 lsunsup(const char *name) { 226 printf("The ls command is not currently supported for %s\n", name); 227 } 228
Indexes created Mon Sep 22 13:09:51 GMT 2025