1 /* 2 * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of the 7 * License, or any later version. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 */ 18 19 FILE_LICENCE ( GPL2_OR_LATER ); 20 21 /** @file 22 * 23 * CPIO archives 24 * 25 */ 26 27 #include <stdio.h> 28 #include <string.h> 29 #include <gpxe/cpio.h> 30 31 /** 32 * Set field within a CPIO header 33 * 34 * @v field Field within CPIO header 35 * @v value Value to set 36 */ 37 void cpio_set_field ( char *field, unsigned long value ) { 38 char buf[9]; 39 40 snprintf ( buf, sizeof ( buf ), "%08lx", value ); 41 memcpy ( field, buf, 8 ); 42 } 43