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	mknod.c - sbase - suckless unix tools
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	---
	mknod.c (1171B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <sys/stat.h>
	3 #include <sys/types.h>
	4 #ifndef makedev
	5 #include <sys/sysmacros.h>
	6 #endif
	7
	8 #include <fcntl.h>
	9 #include <stdio.h>
	10 #include <stdlib.h>
	11 #include <string.h>
	12 #include <unistd.h>
	13
	14 #include "util.h"
	15
	16 static void
	17 usage(void)
	18 {
	19 eprintf("usage: %s [-m mode] name b\|c\|u major minor\n"
	20 " %s [-m mode] name p\n",
	21 argv0, argv0);
	22 }
	23
	24 int
	25 main(int argc, char *argv[])
	26 {
	27 mode_t mode = 0666;
	28 dev_t dev;
	29
	30 ARGBEGIN {
	31 case 'm':
	32 mode = parsemode(EARGF(usage()), mode, umask(0));
	33 break;
	34 default:
	35 usage();
	36 } ARGEND;
	37
	38 if (argc < 2)
	39 usage();
	40
	41 if (strlen(argv[1]) != 1)
	42 goto invalid;
	43 switch (argv[1][0]) {
	44 case 'b':
	45 mode \|= S_IFBLK;
	46 break;
	47 case 'u':
	48 case 'c':
	49 mode \|= S_IFCHR;
	50 break;
	51 case 'p':
	52 mode \|= S_IFIFO;
	53 break;
	54 default:
	55 invalid:
	56 eprintf("invalid type '%s'\n", argv[1]);
	57 }
	58
	59 if (S_ISFIFO(mode)) {
	60 if (argc != 2)
	61 usage();
	62 dev = 0;
	63 } else {
	64 if (argc != 4)
	65 usage();
	66 dev = makedev(estrtonum(argv[2], 0, LLONG_MAX), estrtonu…
	67 }
	68
	69 if (mknod(argv[0], mode, dev) == -1)
	70 eprintf("mknod %s:", argv[0]);
	71 return 0;
	72 }