iPXE
cpio.c
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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., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 /** @file
27  *
28  * CPIO archives
29  *
30  */
31 
32 #include <stdio.h>
33 #include <string.h>
34 #include <ipxe/cpio.h>
35 
36 /**
37  * Set field within a CPIO header
38  *
39  * @v field Field within CPIO header
40  * @v value Value to set
41  */
42 void cpio_set_field ( char *field, unsigned long value ) {
43  char buf[9];
44 
45  snprintf ( buf, sizeof ( buf ), "%08lx", value );
46  memcpy ( field, buf, 8 );
47 }
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
CPIO archives.
void cpio_set_field(char *field, unsigned long value)
Set field within a CPIO header.
Definition: cpio.c:42
void * memcpy(void *dest, const void *src, size_t len) __nonnull
pseudo_bit_t value[0x00020]
Definition: arbel.h:13
int snprintf(char *buf, size_t size, const char *fmt,...)
Write a formatted string to a buffer.
Definition: vsprintf.c:382
String functions.