diff options
Diffstat (limited to 'coreutils/rmdir.c')
-rw-r--r-- | coreutils/rmdir.c | 105 |
1 files changed, 41 insertions, 64 deletions
diff --git a/coreutils/rmdir.c b/coreutils/rmdir.c index 83b27c9..3f60371 100644 --- a/coreutils/rmdir.c +++ b/coreutils/rmdir.c @@ -1,9 +1,8 @@ /* vi: set sw=4 ts=4: */ /* - * Mini rmdir implementation for busybox + * rmdir implementation for busybox * - * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen - * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org> + * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,76 +20,54 @@ * */ -#include <getopt.h> -#include <unistd.h> -#include <stdlib.h> +/* BB_AUDIT SUSv3 compliant */ +/* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */ +#include <stdlib.h> +#include <unistd.h> +#include <libgen.h> #include "busybox.h" - -/* Return true if a path is composed of multiple components. */ - -static int -multiple_components_p (const char *path) -{ - const char *s = path; - - while (s[0] != '\0' && s[0] != '/') - s++; - - while (s[0] == '/') - s++; - - return (s[0] != '\0'); -} - - -/* Remove a directory. Returns 0 if successful, -1 on error. */ - -static int -remove_directory (char *path, int flags) -{ - if (!(flags & FILEUTILS_RECUR)) { - if (rmdir (path) < 0) { - perror_msg ("unable to remove `%s'", path); - return -1; - } - } else { - if (remove_directory (path, 0) < 0) - return -1; - - if (multiple_components_p (path)) - if (remove_directory (dirname (path), flags) < 0) - return -1; - } - - return 0; -} - - -extern int -rmdir_main (int argc, char **argv) +extern int rmdir_main(int argc, char **argv) { int status = EXIT_SUCCESS; - int flags = 0; - int i, opt; + int flags; + int do_dot; + char *path; - while ((opt = getopt (argc, argv, "p")) != -1) - switch (opt) { - case 'p': - flags |= FILEUTILS_RECUR; - break; + flags = bb_getopt_ulflags(argc, argv, "p"); - default: - show_usage (); - } + argv += optind; - if (optind == argc) - show_usage(); + if (!*argv) { + bb_show_usage(); + } - for (i = optind; i < argc; i++) - if (remove_directory (argv[i], flags) < 0) - status = EXIT_FAILURE; + do { + path = *argv; + + /* Record if the first char was a '.' so we can use dirname later. */ + do_dot = (*path == '.'); + + do { + if (rmdir(path) < 0) { + bb_perror_msg("`%s'", path); /* Match gnu rmdir msg. */ + status = EXIT_FAILURE; + } else if (flags) { + /* Note: path was not empty or null since rmdir succeeded. */ + path = dirname(path); + /* Path is now just the parent component. Note that dirname + * returns "." if there are no parents. We must distinguish + * this from the case of the original path starting with '.'. + */ + if (do_dot || (*path != '.') || path[1]) { + continue; + } + } + break; + } while (1); + + } while (*++argv); return status; } |