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/*
* @(#) ipsec_snprintf() function
*
* Copyright (C) 1998, 1999, 2000, 2001 Richard Guy Briggs <rgb@freeswan.org>
* 2001 Michael Richardson <mcr@freeswan.org>
* Copyright (C) 2005 Michael Richardson <mcr@xelerance.com>
*
* 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 (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*
* Split out from ipsec_proc.c.
*/
#include <linux/config.h>
#include <linux/version.h>
#define __NO_VERSION__
#include <linux/module.h>
#include <linux/kernel.h> /* printk() */
#include "openswan/ipsec_kversion.h"
#include "openswan/ipsec_param.h"
#include <net/ip.h>
#include "openswan/radij.h"
#include "openswan/ipsec_life.h"
#include "openswan/ipsec_stats.h"
#include "openswan/ipsec_sa.h"
#include "openswan/ipsec_encap.h"
#include "openswan/ipsec_radij.h"
#include "openswan/ipsec_xform.h"
#include "openswan/ipsec_tunnel.h"
#include "openswan/ipsec_xmit.h"
#include "openswan/ipsec_rcv.h"
#include "openswan/ipsec_ah.h"
#include "openswan/ipsec_esp.h"
#include "openswan/ipsec_kern24.h"
#ifdef CONFIG_KLIPS_IPCOMP
#include "openswan/ipcomp.h"
#endif /* CONFIG_KLIPS_IPCOMP */
#include "openswan/ipsec_proto.h"
#include <pfkeyv2.h>
#include <pfkey.h>
/* ipsec_snprintf: like snprintf except
* - size is signed and a negative value is treated as if it were 0
* - the returned result is never negative --
* an error generates a "?" or null output (depending on space).
* (Our callers are too lazy to check for an error return.)
*
* @param buf String buffer
* @param size Size of the string
* @param fmt printf string
* @param ... Variables to be displayed in fmt
* @return int Return code
*/
int ipsec_snprintf(char *buf, ssize_t size, const char *fmt, ...)
{
va_list args;
int i;
size_t possize = size < 0? 0 : size;
va_start(args, fmt);
i = vsnprintf(buf,possize,fmt,args);
va_end(args);
if (i < 0) {
/* create empty output in place of error */
i = 0;
if (size > 0) {
*buf = '\0';
}
}
return i;
}
void ipsec_dmp_block(char *s, caddr_t bb, int len)
{
int i;
unsigned char *b = bb;
printk(KERN_INFO "klips_dmp: "
"at %s, len=%d:\n", s, len);
for(i = 0; i < len; i++ /*, c++*/) {
if(!(i % 16)) {
printk(KERN_INFO
"klips_debug: @%03x:",
i);
}
printk(" %02x", b[i]);
if(!((i + 1) % 16)) {
printk("\n");
}
}
if(i % 16) {
printk("\n");
}
}
/*
*
* $Log: ipsec_snprintf.c,v $
* Revision 1.3 2005/04/29 05:10:22 mcr
* removed from extraenous includes to make unit testing easier.
*
* Revision 1.2 2005/04/15 00:32:01 mcr
* added ipsec_dmp_block routine.
*
*
* Local Variables:
* c-file-style: "linux"
* End:
*
*/
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