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	mknod.c - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	mknod.c (856B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <sys/stat.h>
	3 #include <sys/sysmacros.h>
	4 #include <sys/types.h>
	5
	6 #include <fcntl.h>
	7 #include <stdio.h>
	8 #include <stdlib.h>
	9 #include <string.h>
	10 #include <unistd.h>
	11
	12 #include "util.h"
	13
	14 static void
	15 usage(void)
	16 {
	17 eprintf("usage: %s [-m mode] name type major minor\n", argv0);
	18 }
	19
	20 int
	21 main(int argc, char *argv[])
	22 {
	23 mode_t type, mode = 0644;
	24 dev_t dev;
	25
	26 ARGBEGIN {
	27 case 'm':
	28 mode = estrtol(EARGF(usage()), 8);
	29 break;
	30 default:
	31 usage();
	32 } ARGEND;
	33
	34 if (argc != 4)
	35 usage();
	36
	37 if (strlen(argv[1]) != 1 \|\| !strchr("ucb", argv[1][0]))
	38 eprintf("mknod: '%s': invalid type\n", argv[1]);
	39 type = (argv[1][0] == 'b') ? S_IFBLK : S_IFCHR;
	40
	41 dev = makedev(estrtol(argv[2], 0), estrtol(argv[3], 0));
	42
	43 if (mknod(argv[0], type\|mode, dev) == -1)
	44 eprintf("mknod: '%s':", argv[0]);
	45 return 0;
	46 }