From 726e366e8f1772c3f77ed37a8838270649dd36c1 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 1 Aug 2007 23:10:30 +0100 Subject: Add code for constructing single-file cpio archives on the fly --- src/core/cpio.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/core/cpio.c (limited to 'src/core') diff --git a/src/core/cpio.c b/src/core/cpio.c new file mode 100644 index 000000000..7d2e88286 --- /dev/null +++ b/src/core/cpio.c @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2007 Michael Brown . + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/** @file + * + * CPIO archives + * + */ + +#include +#include +#include + +/** + * Set field within a CPIO header + * + * @v field Field within CPIO header + * @v value Value to set + */ +void cpio_set_field ( char *field, unsigned long value ) { + char buf[9]; + + snprintf ( buf, sizeof ( buf ), "%08lx", value ); + memcpy ( field, buf, 8 ); +} -- cgit v1.2.3-55-g7522