From 59b3300afc774f13331a0b62b9dd0617ab2c55f9 Mon Sep 17 00:00:00 2001 From: "William F. Jolitz" Date: Sun, 8 Mar 1992 19:13:23 -0800 Subject: [PATCH] 386BSD 0.1 development Work on file usr/othersrc/public/fileutils-3.2/fileutils-3.2/src/mknod.c Co-Authored-By: Lynne Greer Jolitz Synthesized-from: 386BSD-0.1 --- .../fileutils-3.2/fileutils-3.2/src/mknod.c | 146 ++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 usr/othersrc/public/fileutils-3.2/fileutils-3.2/src/mknod.c diff --git a/usr/othersrc/public/fileutils-3.2/fileutils-3.2/src/mknod.c b/usr/othersrc/public/fileutils-3.2/fileutils-3.2/src/mknod.c new file mode 100644 index 0000000000..9d454de05f --- /dev/null +++ b/usr/othersrc/public/fileutils-3.2/fileutils-3.2/src/mknod.c @@ -0,0 +1,146 @@ +/* mknod -- make special files + Copyright (C) 1990, 1991 Free Software Foundation, Inc. + + 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 + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Usage: mknod [-m mode] [--mode=mode] path {bcu} major minor + make a block or character device node + mknod [-m mode] [--mode=mode] path p + make a FIFO (named pipe) + + Options: + -m, --mode=mode Set the mode of created nodes to MODE, which is + symbolic as in chmod and uses the umask as a point of + departure. + + David MacKenzie */ + +#include +#include +#include +#include "system.h" +#include "modechange.h" + +void error (); +void strip_trailing_slashes (); +void usage (); + +/* The name this program was run with. */ +char *program_name; + +struct option longopts[] = +{ + {"mode", 1, NULL, 'm'}, + {NULL, 0, NULL, 0} +}; + +void +main (argc, argv) + int argc; + char **argv; +{ + unsigned short newmode; + struct mode_change *change; + char *symbolic_mode; + int optc; + + program_name = argv[0]; + symbolic_mode = NULL; + + while ((optc = getopt_long (argc, argv, "m:", longopts, (int *) 0)) != EOF) + { + switch (optc) + { + case 'm': + symbolic_mode = optarg; + break; + default: + usage (); + } + } + + newmode = 0666 & ~umask (0); + if (symbolic_mode) + { + change = mode_compile (symbolic_mode, 0); + if (change == MODE_INVALID) + error (1, 0, "invalid mode"); + else if (change == MODE_MEMORY_EXHAUSTED) + error (1, 0, "virtual memory exhausted"); + newmode = mode_adjust (newmode, change); + } + + if (argc - optind != 2 && argc - optind != 4) + usage (); + + strip_trailing_slashes (argv[optind]); + + /* Only check the first character, to allow mnemonic usage like + `mknod /dev/rst0 character 18 0'. */ + + switch (argv[optind + 1][0]) + { + case 'b': /* `block' or `buffered' */ +#ifndef S_IFBLK + error (4, 0, "block special files not supported"); +#else + if (argc - optind != 4) + usage (); + if (mknod (argv[optind], newmode | S_IFBLK, + makedev (atoi (argv[optind + 2]), atoi (argv[optind + 3])))) + error (1, errno, "%s", argv[optind]); +#endif + break; + + case 'c': /* `character' */ + case 'u': /* `unbuffered' */ +#ifndef S_IFCHR + error (4, 0, "character special files not supported"); +#else + if (argc - optind != 4) + usage (); + if (mknod (argv[optind], newmode | S_IFCHR, + makedev (atoi (argv[optind + 2]), atoi (argv[optind + 3])))) + error (1, errno, "%s", argv[optind]); +#endif + break; + + case 'p': /* `pipe' */ +#ifndef S_ISFIFO + error (4, 0, "fifo files not supported"); +#else + if (argc - optind != 2) + usage (); + if (mkfifo (argv[optind], newmode)) + error (1, errno, "%s", argv[optind]); +#endif + break; + + default: + usage (); + } + + exit (0); +} + +void +usage () +{ + fprintf (stderr, "\ +Usage: %s [-m mode] [--mode=mode] path {bcu} major minor\n\ + %s [-m mode] [--mode=mode] path p\n", + program_name, program_name); + exit (1); +} -- 2.20.1