diff options
Diffstat (limited to 'coreutils/mknod.c')
-rw-r--r-- | coreutils/mknod.c | 94 |
1 files changed, 32 insertions, 62 deletions
diff --git a/coreutils/mknod.c b/coreutils/mknod.c index 432ec2b..59294e9 100644 --- a/coreutils/mknod.c +++ b/coreutils/mknod.c @@ -1,9 +1,8 @@ /* vi: set sw=4 ts=4: */ /* - * Mini mknod implementation for busybox + * mknod implementation for busybox * - * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>. - * Copyright (C) 1999-2002 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 @@ -21,73 +20,44 @@ * */ -#include <stdio.h> -#include <errno.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> +/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ + #include <stdlib.h> -#include <sys/types.h> +#include <string.h> #include <sys/stat.h> +#include <unistd.h> #include "busybox.h" +#include "libcoreutils/coreutils.h" + +static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 }; +static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK }; -int mknod_main(int argc, char **argv) +extern int mknod_main(int argc, char **argv) { - char *thisarg; - mode_t mode = 0; - mode_t perm = 0666; - dev_t dev = (dev_t) 0; + mode_t mode; + dev_t dev; + const char *name; + + mode = getopt_mk_fifo_nod(argc, argv); + argv += optind; + argc -= optind; - argc--; - argv++; + if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) { + mode |= modes_cubp[(int)(name[4])]; - /* Parse any options */ - while (argc > 1) { - if (**argv != '-') - break; - thisarg = *argv; - thisarg++; - switch (*thisarg) { - case 'm': - argc--; - argv++; - parse_mode(*argv, &perm); - umask(0); - break; - default: - show_usage(); + dev = 0; + if ((*name != 'p') && ((argc -= 2) == 0)) { + dev = (bb_xgetularg10_bnd(argv[2], 0, 255) << 8) + + bb_xgetularg10_bnd(argv[3], 0, 255); } - argc--; - argv++; - } - if (argc != 4 && argc != 2) { - show_usage(); - } - switch (argv[1][0]) { - case 'c': - case 'u': - mode = S_IFCHR; - break; - case 'b': - mode = S_IFBLK; - break; - case 'p': - mode = S_IFIFO; - if (argc != 2) { - show_usage(); + + if (argc == 2) { + name = *argv; + if (mknod(name, mode, dev) == 0) { + return EXIT_SUCCESS; + } + bb_perror_msg_and_die("%s", name); } - break; - default: - show_usage(); - } - - if (mode == S_IFCHR || mode == S_IFBLK) { - dev = (dev_t) ((atoi(argv[2]) << 8) | atoi(argv[3])); } - - mode |= perm; - - if (mknod(argv[0], mode, dev) != 0) - perror_msg_and_die("%s", argv[0]); - return EXIT_SUCCESS; + bb_show_usage(); } |