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 | * |
"Robert P. J. Day" | 801ab14 | 2006-07-12 07:56:04 +0000 | [diff] [blame] | 7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
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 | 06af216 | 2007-02-03 17:28:39 +0000 | [diff] [blame] | 20 | int mknod_main(int argc, char **argv); |
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 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 27 | mode = getopt_mk_fifo_nod(argc, argv); |
| 28 | argv += optind; |
| 29 | argc -= optind; |
Erik Andersen | 5e1189e | 2000-04-15 16:34:54 +0000 | [diff] [blame] | 30 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 31 | if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) { |
| 32 | mode |= modes_cubp[(int)(name[4])]; |
| 33 | |
| 34 | dev = 0; |
Manuel Novoa III | 0c236a0 | 2003-04-03 19:29:11 +0000 | [diff] [blame] | 35 | if ((*name != 'p') && ((argc -= 2) == 2)) { |
Bernhard Reutner-Fischer | 91d4a2d | 2006-12-02 20:47:36 +0000 | [diff] [blame] | 36 | /* Autodetect what the system supports; these macros should |
Rob Landley | 1f5e25b | 2006-03-06 19:31:39 +0000 | [diff] [blame] | 37 | * optimize out to two constants. */ |
Denis Vlasenko | 1385899 | 2006-10-08 12:49:22 +0000 | [diff] [blame] | 38 | dev = makedev(xatoul_range(argv[2], 0, major(UINT_MAX)), |
| 39 | xatoul_range(argv[3], 0, minor(UINT_MAX))); |
Erik Andersen | 5e1189e | 2000-04-15 16:34:54 +0000 | [diff] [blame] | 40 | } |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 41 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 42 | if (argc == 2) { |
| 43 | name = *argv; |
| 44 | if (mknod(name, mode, dev) == 0) { |
| 45 | return EXIT_SUCCESS; |
| 46 | } |
| 47 | bb_perror_msg_and_die("%s", name); |
Erik Andersen | 5e1189e | 2000-04-15 16:34:54 +0000 | [diff] [blame] | 48 | } |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 49 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 50 | bb_show_usage(); |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 51 | } |