Mercurial > hg > toybox
view toys/lsb/hostname.c @ 1231:ee5a6875d695 draft
Fix cpio -it: don't close(fd) unless we opened it.
author | Isaac Dunham <ibid.ag@gmail.com> |
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date | Thu, 27 Mar 2014 07:02:01 -0500 |
parents | 786841fdb1e0 |
children |
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/* hostname.c - Get/Set the hostname * * Copyright 2012 Andre Renaud <andre@bluewatersys.com> * * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/hostname.html USE_HOSTNAME(NEWTOY(hostname, NULL, TOYFLAG_BIN)) config HOSTNAME bool "hostname" default y help usage: hostname [newname] Get/Set the current hostname */ #define FOR_hostname #include "toys.h" void hostname_main(void) { const char *hostname = toys.optargs[0]; if (hostname) { if (sethostname(hostname, strlen(hostname))) perror_exit("set failed '%s'", hostname); } else { if (gethostname(toybuf, sizeof(toybuf))) perror_exit("get failed"); xputs(toybuf); } }