12017ca883
This import includes The basic blacklist library and utility programs, to add a system-wide packet filtering notification mechanism to FreeBSD. The rational behind the daemon was given by Christos Zoulas in a presentation at vBSDcon 2015: https://youtu.be/fuuf8G28mjs Reviewed by: rpaulo Approved by: rpaulo Obtained from: NetBSD Relnotes: YES Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D5912
107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
/* $NetBSD: fgetln.c,v 1.1 2015/01/22 03:48:07 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#if !HAVE_FGETLN
|
|
#include <stdlib.h>
|
|
#ifndef HAVE_NBTOOL_CONFIG_H
|
|
/* These headers are required, but included from nbtool_config.h */
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#endif
|
|
|
|
char *
|
|
fgetln(FILE *fp, size_t *len)
|
|
{
|
|
static char *buf = NULL;
|
|
static size_t bufsiz = 0;
|
|
char *ptr;
|
|
|
|
|
|
if (buf == NULL) {
|
|
bufsiz = BUFSIZ;
|
|
if ((buf = malloc(bufsiz)) == NULL)
|
|
return NULL;
|
|
}
|
|
|
|
if (fgets(buf, bufsiz, fp) == NULL)
|
|
return NULL;
|
|
|
|
*len = 0;
|
|
while ((ptr = strchr(&buf[*len], '\n')) == NULL) {
|
|
size_t nbufsiz = bufsiz + BUFSIZ;
|
|
char *nbuf = realloc(buf, nbufsiz);
|
|
|
|
if (nbuf == NULL) {
|
|
int oerrno = errno;
|
|
free(buf);
|
|
errno = oerrno;
|
|
buf = NULL;
|
|
return NULL;
|
|
} else
|
|
buf = nbuf;
|
|
|
|
if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL) {
|
|
buf[bufsiz] = '\0';
|
|
*len = strlen(buf);
|
|
return buf;
|
|
}
|
|
|
|
*len = bufsiz;
|
|
bufsiz = nbufsiz;
|
|
}
|
|
|
|
*len = (ptr - buf) + 1;
|
|
return buf;
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef TEST
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
char *p;
|
|
size_t len;
|
|
|
|
while ((p = fgetln(stdin, &len)) != NULL) {
|
|
(void)printf("%zu %s", len, p);
|
|
free(p);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|