ls.c revision 1.2.2.2
1 1.2.2.2 simonb /* 2 1.2.2.2 simonb * $NetBSD: ls.c,v 1.2.2.2 2006/04/22 11:37:38 simonb Exp $ 3 1.2.2.2 simonb */ 4 1.2.2.2 simonb 5 1.2.2.2 simonb /*- 6 1.2.2.2 simonb * Copyright (c) 1993 7 1.2.2.2 simonb * The Regents of the University of California. All rights reserved. 8 1.2.2.2 simonb * Copyright (c) 1996 9 1.2.2.2 simonb * Matthias Drochner. All rights reserved. 10 1.2.2.2 simonb * 11 1.2.2.2 simonb * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 simonb * modification, are permitted provided that the following conditions 13 1.2.2.2 simonb * are met: 14 1.2.2.2 simonb * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 simonb * documentation and/or other materials provided with the distribution. 19 1.2.2.2 simonb * 3. All advertising materials mentioning features or use of this software 20 1.2.2.2 simonb * must display the following acknowledgement: 21 1.2.2.2 simonb * This product includes software developed by the University of 22 1.2.2.2 simonb * California, Berkeley and its contributors. 23 1.2.2.2 simonb * 4. Neither the name of the University nor the names of its contributors 24 1.2.2.2 simonb * may be used to endorse or promote products derived from this software 25 1.2.2.2 simonb * without specific prior written permission. 26 1.2.2.2 simonb * 27 1.2.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 1.2.2.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 1.2.2.2 simonb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 1.2.2.2 simonb * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 1.2.2.2 simonb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 1.2.2.2 simonb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 1.2.2.2 simonb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 1.2.2.2 simonb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 1.2.2.2 simonb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 1.2.2.2 simonb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 1.2.2.2 simonb * SUCH DAMAGE. 38 1.2.2.2 simonb */ 39 1.2.2.2 simonb 40 1.2.2.2 simonb #include <sys/cdefs.h> 41 1.2.2.2 simonb 42 1.2.2.2 simonb #include <sys/param.h> 43 1.2.2.2 simonb #include <ufs/ufs/dinode.h> 44 1.2.2.2 simonb #include <ufs/ufs/dir.h> 45 1.2.2.2 simonb #include <sys/dirent.h> 46 1.2.2.2 simonb 47 1.2.2.2 simonb #include <lib/libsa/stand.h> 48 1.2.2.2 simonb 49 1.2.2.2 simonb #include "bootstrap.h" 50 1.2.2.2 simonb 51 1.2.2.2 simonb static char typestr[] = "?fc?d?b? ?l?s?w"; 52 1.2.2.2 simonb 53 1.2.2.2 simonb static int ls_getdir(char **pathp); 54 1.2.2.2 simonb 55 1.2.2.2 simonb int 56 1.2.2.2 simonb command_ls(int argc, char *argv[]) 57 1.2.2.2 simonb { 58 1.2.2.2 simonb int fd; 59 1.2.2.2 simonb struct stat sb; 60 1.2.2.2 simonb struct dirent *d; 61 1.2.2.2 simonb char *buf, *path; 62 1.2.2.2 simonb char lbuf[128]; /* one line */ 63 1.2.2.2 simonb int result, ch; 64 1.2.2.2 simonb int verbose; 65 1.2.2.2 simonb 66 1.2.2.2 simonb result = CMD_OK; 67 1.2.2.2 simonb fd = -1; 68 1.2.2.2 simonb verbose = 0; 69 1.2.2.2 simonb optind = 1; 70 1.2.2.2 simonb optreset = 1; 71 1.2.2.2 simonb while ((ch = getopt(argc, argv, "l")) != -1) { 72 1.2.2.2 simonb switch(ch) { 73 1.2.2.2 simonb case 'l': 74 1.2.2.2 simonb verbose = 1; 75 1.2.2.2 simonb break; 76 1.2.2.2 simonb case '?': 77 1.2.2.2 simonb default: 78 1.2.2.2 simonb /* getopt has already reported an error */ 79 1.2.2.2 simonb return(CMD_OK); 80 1.2.2.2 simonb } 81 1.2.2.2 simonb } 82 1.2.2.2 simonb argv += (optind - 1); 83 1.2.2.2 simonb argc -= (optind - 1); 84 1.2.2.2 simonb 85 1.2.2.2 simonb if (argc < 2) { 86 1.2.2.2 simonb path = ""; 87 1.2.2.2 simonb } else { 88 1.2.2.2 simonb path = argv[1]; 89 1.2.2.2 simonb } 90 1.2.2.2 simonb 91 1.2.2.2 simonb fd = ls_getdir(&path); 92 1.2.2.2 simonb if (fd == -1) { 93 1.2.2.2 simonb result = CMD_ERROR; 94 1.2.2.2 simonb goto out; 95 1.2.2.2 simonb } 96 1.2.2.2 simonb 97 1.2.2.2 simonb pager_open(); 98 1.2.2.2 simonb pager_output(path); 99 1.2.2.2 simonb pager_output("\n"); 100 1.2.2.2 simonb 101 1.2.2.2 simonb while ((d = readdirfd(fd)) != NULL) { 102 1.2.2.2 simonb /* if (strcmp(d->d_name, ".") && strcmp(d->d_name, "..")) { */ 103 1.2.2.2 simonb if (verbose) { 104 1.2.2.2 simonb /* stat the file, if possible */ 105 1.2.2.2 simonb sb.st_size = 0; 106 1.2.2.2 simonb buf = alloc(strlen(path) + strlen(d->d_name) + 2); 107 1.2.2.2 simonb sprintf(buf, "%s/%s", path, d->d_name); 108 1.2.2.2 simonb /* ignore return, could be symlink, etc. */ 109 1.2.2.2 simonb if (stat(buf, &sb)) 110 1.2.2.2 simonb sb.st_size = 0; 111 1.2.2.2 simonb free(buf); 112 1.2.2.2 simonb sprintf(lbuf, " %c %8d %s\n", typestr[d->d_type], 113 1.2.2.2 simonb (int)sb.st_size, d->d_name); 114 1.2.2.2 simonb } else { 115 1.2.2.2 simonb sprintf(lbuf, " %c %s\n", typestr[d->d_type], d->d_name); 116 1.2.2.2 simonb } 117 1.2.2.2 simonb if (pager_output(lbuf)) 118 1.2.2.2 simonb goto out; 119 1.2.2.2 simonb /* } */ 120 1.2.2.2 simonb } 121 1.2.2.2 simonb out: 122 1.2.2.2 simonb pager_close(); 123 1.2.2.2 simonb if (fd != -1) 124 1.2.2.2 simonb close(fd); 125 1.2.2.2 simonb if (path != NULL) 126 1.2.2.2 simonb free(path); 127 1.2.2.2 simonb return(result); 128 1.2.2.2 simonb } 129 1.2.2.2 simonb 130 1.2.2.2 simonb /* 131 1.2.2.2 simonb * Given (path) containing a vaguely reasonable path specification, return an fd 132 1.2.2.2 simonb * on the directory, and an allocated copy of the path to the directory. 133 1.2.2.2 simonb */ 134 1.2.2.2 simonb static int 135 1.2.2.2 simonb ls_getdir(char **pathp) 136 1.2.2.2 simonb { 137 1.2.2.2 simonb struct stat sb; 138 1.2.2.2 simonb int fd; 139 1.2.2.2 simonb const char *cp; 140 1.2.2.2 simonb char *path, *tail; 141 1.2.2.2 simonb 142 1.2.2.2 simonb tail = NULL; 143 1.2.2.2 simonb fd = -1; 144 1.2.2.2 simonb 145 1.2.2.2 simonb /* one extra byte for a possible trailing slash required */ 146 1.2.2.2 simonb path = alloc(strlen(*pathp) + 2); 147 1.2.2.2 simonb strcpy(path, *pathp); 148 1.2.2.2 simonb 149 1.2.2.2 simonb /* Make sure the path is respectable to begin with */ 150 1.2.2.2 simonb if (archsw.arch_getdev(NULL, path, &cp)) { 151 1.2.2.2 simonb sprintf(command_errbuf, "bad path '%s'", path); 152 1.2.2.2 simonb goto out; 153 1.2.2.2 simonb } 154 1.2.2.2 simonb 155 1.2.2.2 simonb /* If there's no path on the device, assume '/' */ 156 1.2.2.2 simonb if (*cp == 0) 157 1.2.2.2 simonb strcat(path, "/"); 158 1.2.2.2 simonb fd = open(path, O_RDONLY); 159 1.2.2.2 simonb if (fd < 0) { 160 1.2.2.2 simonb sprintf(command_errbuf, "open '%s' failed: %s", path, strerror(errno)); 161 1.2.2.2 simonb goto out; 162 1.2.2.2 simonb } 163 1.2.2.2 simonb if (fstat(fd, &sb) < 0) { 164 1.2.2.2 simonb sprintf(command_errbuf, "stat failed: %s", strerror(errno)); 165 1.2.2.2 simonb goto out; 166 1.2.2.2 simonb } 167 1.2.2.2 simonb if (!S_ISDIR(sb.st_mode)) { 168 1.2.2.2 simonb sprintf(command_errbuf, "%s: %s", path, strerror(ENOTDIR)); 169 1.2.2.2 simonb goto out; 170 1.2.2.2 simonb } 171 1.2.2.2 simonb 172 1.2.2.2 simonb *pathp = path; 173 1.2.2.2 simonb return(fd); 174 1.2.2.2 simonb 175 1.2.2.2 simonb out: 176 1.2.2.2 simonb free(path); 177 1.2.2.2 simonb *pathp = NULL; 178 1.2.2.2 simonb if (fd != -1) 179 1.2.2.2 simonb close(fd); 180 1.2.2.2 simonb return(-1); 181 1.2.2.2 simonb } 182
Indexes created Mon Oct 20 20:10:13 GMT 2025