1 /* $NetBSD: rmdir.c,v 1.27 2017/08/10 22:52:13 ginsbach Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\ 35 The Regents of the University of California. All rights reserved."); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)rmdir.c 8.3 (Berkeley) 4/2/94"; 41 #else 42 __RCSID("$NetBSD: rmdir.c,v 1.27 2017/08/10 22:52:13 ginsbach Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 48 #include <err.h> 49 #include <locale.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 55 static int rm_path(char *); 56 __dead static void usage(void); 57 58 int 59 main(int argc, char *argv[]) 60 { 61 int ch, errors, pflag; 62 63 setprogname(argv[0]); 64 (void)setlocale(LC_ALL, ""); 65 66 pflag = 0; 67 while ((ch = getopt(argc, argv, "p")) != -1) 68 switch(ch) { 69 case 'p': 70 pflag = 1; 71 break; 72 case '?': 73 default: 74 usage(); 75 } 76 argc -= optind; 77 argv += optind; 78 79 if (argc == 0) 80 usage(); 81 82 for (errors = 0; *argv; argv++) { 83 /* We rely on the kernel to ignore trailing '/' characters. */ 84 if (rmdir(*argv) < 0) { 85 warn("%s", *argv); 86 errors = 1; 87 } else if (pflag) 88 errors |= rm_path(*argv); 89 } 90 91 exit(errors); 92 /* NOTREACHED */ 93 } 94 95 static int 96 rm_path(char *path) 97 { 98 char *p; 99 100 while ((p = strrchr(path, '/')) != NULL) { 101 *p = 0; 102 if (p[1] == 0) 103 /* Ignore trailing '/' on deleted name */ 104 continue; 105 106 if (*path == 0) 107 /* At top level (root) directory */ 108 break; 109 110 if (rmdir(path) < 0) { 111 warn("%s", path); 112 return (1); 113 } 114 } 115 116 return (0); 117 } 118 119 static void 120 usage(void) 121 { 122 (void)fprintf(stderr, "usage: %s [-p] directory ...\n", getprogname()); 123 exit(1); 124 /* NOTREACHED */ 125 } 126