Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 2 | /* |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 3 | * mknod implementation for busybox |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 4 | * |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 6 | * |
Denys Vlasenko | 0ef64bd | 2010-08-16 20:14:46 +0200 | [diff] [blame] | 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 10 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ |
| 11 | |
Rob Landley | cebea72 | 2006-03-22 00:46:36 +0000 | [diff] [blame] | 12 | #include <sys/sysmacros.h> // For makedev |
Denis Vlasenko | 1385899 | 2006-10-08 12:49:22 +0000 | [diff] [blame] | 13 | |
Denis Vlasenko | b6adbf1 | 2007-05-26 19:00:18 +0000 | [diff] [blame] | 14 | #include "libbb.h" |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 15 | #include "libcoreutils/coreutils.h" |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 16 | |
Denis Vlasenko | 6ca409e | 2007-08-12 20:58:27 +0000 | [diff] [blame] | 17 | static const char modes_chars[] ALIGN1 = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 }; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 18 | static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK }; |
| 19 | |
Denis Vlasenko | 9b49a5e | 2007-10-11 10:05:36 +0000 | [diff] [blame] | 20 | int mknod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 21 | int mknod_main(int argc, char **argv) |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 22 | { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 23 | mode_t mode; |
| 24 | dev_t dev; |
| 25 | const char *name; |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 26 | |
Denis Vlasenko | 68404f1 | 2008-03-17 09:00:54 +0000 | [diff] [blame] | 27 | mode = getopt_mk_fifo_nod(argv); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 28 | argv += optind; |
| 29 | argc -= optind; |
Erik Andersen | 5e1189e | 2000-04-15 16:34:54 +0000 | [diff] [blame] | 30 | |
Denis Vlasenko | 6bef3d1 | 2007-11-06 03:05:54 +0000 | [diff] [blame] | 31 | if (argc >= 2) { |
| 32 | name = strchr(modes_chars, argv[1][0]); |
| 33 | if (name != NULL) { |
| 34 | mode |= modes_cubp[(int)(name[4])]; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 35 | |
Denis Vlasenko | 6bef3d1 | 2007-11-06 03:05:54 +0000 | [diff] [blame] | 36 | dev = 0; |
| 37 | if (*name != 'p') { |
| 38 | argc -= 2; |
| 39 | if (argc == 2) { |
| 40 | /* Autodetect what the system supports; these macros should |
| 41 | * optimize out to two constants. */ |
| 42 | dev = makedev(xatoul_range(argv[2], 0, major(UINT_MAX)), |
| 43 | xatoul_range(argv[3], 0, minor(UINT_MAX))); |
| 44 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 45 | } |
Denis Vlasenko | 6bef3d1 | 2007-11-06 03:05:54 +0000 | [diff] [blame] | 46 | |
| 47 | if (argc == 2) { |
| 48 | name = *argv; |
| 49 | if (mknod(name, mode, dev) == 0) { |
| 50 | return EXIT_SUCCESS; |
| 51 | } |
| 52 | bb_simple_perror_msg_and_die(name); |
| 53 | } |
Erik Andersen | 5e1189e | 2000-04-15 16:34:54 +0000 | [diff] [blame] | 54 | } |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 55 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 56 | bb_show_usage(); |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 57 | } |