1 /* $NetBSD: fgetln.c,v 1.1 2015/01/22 03:48:07 christos Exp $ */
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
38 #ifndef HAVE_NBTOOL_CONFIG_H
39 /* These headers are required, but included from nbtool_config.h */
47 fgetln(FILE *fp, size_t *len)
49 static char *buf = NULL;
50 static size_t bufsiz = 0;
56 if ((buf = malloc(bufsiz)) == NULL)
60 if (fgets(buf, bufsiz, fp) == NULL)
64 while ((ptr = strchr(&buf[*len], '\n')) == NULL) {
65 size_t nbufsiz = bufsiz + BUFSIZ;
66 char *nbuf = realloc(buf, nbufsiz);
77 if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL) {
87 *len = (ptr - buf) + 1;
95 main(int argc, char *argv[])
100 while ((p = fgetln(stdin, &len)) != NULL) {
101 (void)printf("%zu %s", len, p);