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-rw-r--r--openbsd-compat/Makefile.in1
-rw-r--r--openbsd-compat/bsd-getline.c113
-rw-r--r--openbsd-compat/openbsd-compat.h4
3 files changed, 118 insertions, 0 deletions
diff --git a/openbsd-compat/Makefile.in b/openbsd-compat/Makefile.in
index 8e3b42991..2fd9b952b 100644
--- a/openbsd-compat/Makefile.in
+++ b/openbsd-compat/Makefile.in
@@ -68,6 +68,7 @@ COMPAT= arc4random.o \
68 bsd-cygwin_util.o \ 68 bsd-cygwin_util.o \
69 bsd-err.o \ 69 bsd-err.o \
70 bsd-flock.o \ 70 bsd-flock.o \
71 bsd-getline.o \
71 bsd-getpagesize.o \ 72 bsd-getpagesize.o \
72 bsd-getpeereid.o \ 73 bsd-getpeereid.o \
73 bsd-malloc.o \ 74 bsd-malloc.o \
diff --git a/openbsd-compat/bsd-getline.c b/openbsd-compat/bsd-getline.c
new file mode 100644
index 000000000..681062e80
--- /dev/null
+++ b/openbsd-compat/bsd-getline.c
@@ -0,0 +1,113 @@
1/* $NetBSD: getline.c,v 1.1.1.6 2015/01/02 20:34:27 christos Exp $ */
2
3/* NetBSD: getline.c,v 1.2 2014/09/16 17:23:50 christos Exp */
4
5/*-
6 * Copyright (c) 2011 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Christos Zoulas.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/* NETBSD ORIGINAL: external/bsd/file/dist/src/getline.c */
35
36#include "includes.h"
37
38#if 0
39#include "file.h"
40#endif
41
42#if !HAVE_GETLINE
43#include <stdlib.h>
44#include <stdio.h>
45#include <unistd.h>
46#include <errno.h>
47#include <string.h>
48
49static ssize_t
50getdelim(char **buf, size_t *bufsiz, int delimiter, FILE *fp)
51{
52 char *ptr, *eptr;
53
54
55 if (*buf == NULL || *bufsiz == 0) {
56 *bufsiz = BUFSIZ;
57 if ((*buf = malloc(*bufsiz)) == NULL)
58 return -1;
59 }
60
61 for (ptr = *buf, eptr = *buf + *bufsiz;;) {
62 int c = fgetc(fp);
63 if (c == -1) {
64 if (feof(fp)) {
65 ssize_t diff = (ssize_t)(ptr - *buf);
66 if (diff != 0) {
67 *ptr = '\0';
68 return diff;
69 }
70 }
71 return -1;
72 }
73 *ptr++ = c;
74 if (c == delimiter) {
75 *ptr = '\0';
76 return ptr - *buf;
77 }
78 if (ptr + 2 >= eptr) {
79 char *nbuf;
80 size_t nbufsiz = *bufsiz * 2;
81 ssize_t d = ptr - *buf;
82 if ((nbuf = realloc(*buf, nbufsiz)) == NULL)
83 return -1;
84 *buf = nbuf;
85 *bufsiz = nbufsiz;
86 eptr = nbuf + nbufsiz;
87 ptr = nbuf + d;
88 }
89 }
90}
91
92ssize_t
93getline(char **buf, size_t *bufsiz, FILE *fp)
94{
95 return getdelim(buf, bufsiz, '\n', fp);
96}
97
98#endif
99
100#ifdef TEST
101int
102main(int argc, char *argv[])
103{
104 char *p = NULL;
105 ssize_t len;
106 size_t n = 0;
107
108 while ((len = getline(&p, &n, stdin)) != -1)
109 (void)printf("%" SIZE_T_FORMAT "d %s", len, p);
110 free(p);
111 return 0;
112}
113#endif
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index b48fb9342..f5c833bf2 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -60,6 +60,10 @@ int bindresvport_sa(int sd, struct sockaddr *sa);
60void closefrom(int); 60void closefrom(int);
61#endif 61#endif
62 62
63#ifndef HAVE_GETLINE
64ssize_t getline(char **, size_t *, FILE *);
65#endif
66
63#ifndef HAVE_GETPAGESIZE 67#ifndef HAVE_GETPAGESIZE
64int getpagesize(void); 68int getpagesize(void);
65#endif 69#endif