1*9ff1f2acSchristos #include "config.h"
2*9ff1f2acSchristos
3*9ff1f2acSchristos #if HAVE_GETLINE
4*9ff1f2acSchristos
5*9ff1f2acSchristos int dummy;
6*9ff1f2acSchristos
7*9ff1f2acSchristos #else
8*9ff1f2acSchristos
9*9ff1f2acSchristos /* Id: compat_getline.c,v 1.1 2015/11/07 20:52:52 schwarze Exp */
10*9ff1f2acSchristos /*
11*9ff1f2acSchristos * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
12*9ff1f2acSchristos *
13*9ff1f2acSchristos * Permission to use, copy, modify, and distribute this software for any
14*9ff1f2acSchristos * purpose with or without fee is hereby granted, provided that the above
15*9ff1f2acSchristos * copyright notice and this permission notice appear in all copies.
16*9ff1f2acSchristos *
17*9ff1f2acSchristos * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
18*9ff1f2acSchristos * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
19*9ff1f2acSchristos * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
20*9ff1f2acSchristos * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
21*9ff1f2acSchristos * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
22*9ff1f2acSchristos * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
23*9ff1f2acSchristos * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24*9ff1f2acSchristos */
25*9ff1f2acSchristos
26*9ff1f2acSchristos #include <sys/types.h>
27*9ff1f2acSchristos #include <errno.h>
28*9ff1f2acSchristos #include <stdio.h>
29*9ff1f2acSchristos #include <stdlib.h>
30*9ff1f2acSchristos
31*9ff1f2acSchristos ssize_t
getline(char ** buf,size_t * bufsz,FILE * fp)32*9ff1f2acSchristos getline(char **buf, size_t *bufsz, FILE *fp)
33*9ff1f2acSchristos {
34*9ff1f2acSchristos char *nbuf;
35*9ff1f2acSchristos size_t nbufsz, pos;
36*9ff1f2acSchristos int c;
37*9ff1f2acSchristos
38*9ff1f2acSchristos if (buf == NULL || bufsz == NULL) {
39*9ff1f2acSchristos errno = EINVAL;
40*9ff1f2acSchristos return -1;
41*9ff1f2acSchristos }
42*9ff1f2acSchristos
43*9ff1f2acSchristos if (*buf == NULL)
44*9ff1f2acSchristos *bufsz = 0;
45*9ff1f2acSchristos else
46*9ff1f2acSchristos **buf = '\0';
47*9ff1f2acSchristos
48*9ff1f2acSchristos pos = 0;
49*9ff1f2acSchristos for (;;) {
50*9ff1f2acSchristos if (pos + 1 >= *bufsz) {
51*9ff1f2acSchristos nbufsz = *bufsz ? *bufsz * 2 : BUFSIZ;
52*9ff1f2acSchristos if ((nbuf = realloc(*buf, nbufsz)) == NULL)
53*9ff1f2acSchristos return -1;
54*9ff1f2acSchristos *buf = nbuf;
55*9ff1f2acSchristos *bufsz = nbufsz;
56*9ff1f2acSchristos }
57*9ff1f2acSchristos if ((c = fgetc(fp)) == EOF) {
58*9ff1f2acSchristos (*buf)[pos] = '\0';
59*9ff1f2acSchristos return pos > 0 && feof(fp) ? (ssize_t)pos : -1;
60*9ff1f2acSchristos }
61*9ff1f2acSchristos (*buf)[pos++] = c;
62*9ff1f2acSchristos (*buf)[pos] = '\0';
63*9ff1f2acSchristos if (c == '\n')
64*9ff1f2acSchristos return pos;
65*9ff1f2acSchristos }
66*9ff1f2acSchristos }
67*9ff1f2acSchristos
68*9ff1f2acSchristos #endif
69