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/*	$NetBSD: ipf_perror.c,v 1.1.1.2 2012/07/22 13:44:39 darrenr Exp $	*/

#include <fcntl.h>
#include <sys/ioctl.h>
#include "ipf.h"

void
ipf_perror(err, string)
	int err;
	char *string;
{
	if (err == 0)
		fprintf(stderr, "%s\n", string);
	else
		fprintf(stderr, "%s %s\n", string, ipf_strerror(err));
}

int
ipf_perror_fd(fd, iocfunc, string)
	int fd;
	ioctlfunc_t iocfunc;
	char *string;
{
	int save;
	int realerr;

	save = errno;
	if ((*iocfunc)(fd, SIOCIPFINTERROR, &realerr) == -1)
		realerr = 0;

	errno = save;
	fprintf(stderr, "%d:", realerr);
	ipf_perror(realerr, string);
	return realerr ? realerr : save;

}

void
ipferror(fd, msg)
	int fd;
	char *msg;
{
	if (fd >= 0) {
		ipf_perror_fd(fd, ioctl, msg);
	} else {
		fprintf(stderr, "0:");
		perror(msg);
	}
}