GopherProxy

	hostname.c - sbase - suckless unix tools
	git clone git://git.suckless.org/sbase
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	---
	hostname.c (579B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <stdio.h>
	3 #include <string.h>
	4 #include <unistd.h>
	5
	6 #include "util.h"
	7
	8 static void
	9 usage(void)
	10 {
	11 eprintf("usage: %s [name]\n", argv0);
	12 }
	13
	14 int
	15 main(int argc, char *argv[])
	16 {
	17 char host[HOST_NAME_MAX + 1];
	18
	19 ARGBEGIN {
	20 default:
	21 usage();
	22 } ARGEND
	23
	24 if (!argc) {
	25 if (gethostname(host, sizeof(host)) < 0)
	26 eprintf("gethostname:");
	27 puts(host);
	28 } else if (argc == 1) {
	29 if (sethostname(argv[0], strlen(argv[0])) < 0)
	30 eprintf("sethostname:");
	31 } else {
	32 usage();
	33 }
	34
	35 return fshut(stdout, "<stdout>");
	36 }