1 /* hostname.c - Get/Set the hostname 2 * 3 * Copyright 2012 Andre Renaud <andre (at) bluewatersys.com> 4 * 5 * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/hostname.html 6 7 USE_HOSTNAME(NEWTOY(hostname, NULL, TOYFLAG_BIN)) 8 9 config HOSTNAME 10 bool "hostname" 11 default y 12 help 13 usage: hostname [newname] 14 15 Get/Set the current hostname 16 */ 17 18 #define FOR_hostname 19 #include "toys.h" 20 21 void hostname_main(void) 22 { 23 const char *hostname = toys.optargs[0]; 24 if (hostname) { 25 if (sethostname(hostname, strlen(hostname))) 26 perror_exit("set failed '%s'", hostname); 27 } else { 28 if (gethostname(toybuf, sizeof(toybuf))) perror_exit("get failed"); 29 xputs(toybuf); 30 } 31 } 32
