73 lines
1.1 KiB
C
73 lines
1.1 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifndef makedev
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#include <sys/sysmacros.h>
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#endif
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s [-m mode] name b|c|u major minor\n"
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" %s [-m mode] name p\n",
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argv0, argv0);
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}
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int
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main(int argc, char *argv[])
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{
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mode_t mode = 0666;
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dev_t dev;
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ARGBEGIN {
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case 'm':
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mode = parsemode(EARGF(usage()), mode, umask(0));
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break;
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default:
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usage();
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} ARGEND;
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if (argc < 2)
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usage();
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if (strlen(argv[1]) != 1)
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goto invalid;
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switch (argv[1][0]) {
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case 'b':
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mode |= S_IFBLK;
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break;
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case 'u':
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case 'c':
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mode |= S_IFCHR;
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break;
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case 'p':
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mode |= S_IFIFO;
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break;
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default:
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invalid:
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eprintf("invalid type '%s'\n", argv[1]);
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}
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if (S_ISFIFO(mode)) {
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if (argc != 2)
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usage();
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dev = 0;
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} else {
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if (argc != 4)
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usage();
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dev = makedev(estrtonum(argv[2], 0, LLONG_MAX), estrtonum(argv[3], 0, LLONG_MAX));
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}
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if (mknod(argv[0], mode, dev) == -1)
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eprintf("mknod %s:", argv[0]);
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return 0;
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}
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