freebsd-dev/contrib/ipfilter/lib/ipf_perror.c
Cy Schubert bfc88dcbf7 Update ipfilter 4.1.28 --> 5.1.2.
Approved by:		glebius (mentor)
BSD Licensed by:	Darren Reed <darrenr@reed.wattle.id.au> (author)
2013-09-06 23:11:19 +00:00

48 lines
697 B
C

#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);
}
}