9 /* $Id: compat_getline.c,v 1.1 2015/11/07 20:52:52 schwarze Exp $ */
11 * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
13 * Permission to use, copy, modify, and distribute this software for any
14 * purpose with or without fee is hereby granted, provided that the above
15 * copyright notice and this permission notice appear in all copies.
17 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
18 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
20 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
21 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
22 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
23 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 #include <sys/types.h>
32 getline(char **buf, size_t *bufsz, FILE *fp)
38 if (buf == NULL || bufsz == NULL) {
50 if (pos + 1 >= *bufsz) {
51 nbufsz = *bufsz ? *bufsz * 2 : BUFSIZ;
52 if ((nbuf = realloc(*buf, nbufsz)) == NULL)
57 if ((c = fgetc(fp)) == EOF) {
59 return pos > 0 && feof(fp) ? (ssize_t)pos : -1;