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Add the compatibility definition for getdelim.c from netbsd.

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We shouldn't actually need this code nearly anywhere we build:
getdelim is POSIX, and mingw provides it.
This commit is contained in:
Nick Mathewson 2018-07-10 10:14:24 -04:00
parent 3145e469d8
commit 1604c0fe0e
3 changed files with 113 additions and 1 deletions
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30
LICENSE
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@ -155,6 +155,36 @@ 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.
===============================================================================
getdelim.c is distributed under this license:
Copyright (c) 2011 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.
===============================================================================
src/config/geoip is licensed under the following license:

82
src/ext/getdelim.c Normal file
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@ -0,0 +1,82 @@
/* $NetBSD: getdelim.c,v 1.2 2015/12/25 20:12:46 joerg Exp $ */
/* NetBSD-src: getline.c,v 1.2 2014/09/16 17:23:50 christos Exp */
/*-
* Copyright (c) 2011 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.
*/
#include <nbcompat.h>
#include <nbcompat/stdio.h>
#include <nbcompat/stdlib.h>
#if !HAVE_GETDELIM
ssize_t
getdelim(char **buf, size_t *bufsiz, int delimiter, FILE *fp)
{
char *ptr, *eptr;
if (*buf == NULL || *bufsiz == 0) {
*bufsiz = BUFSIZ;
if ((*buf = malloc(*bufsiz)) == NULL)
return -1;
}
for (ptr = *buf, eptr = *buf + *bufsiz;;) {
int c = fgetc(fp);
if (c == -1) {
if (feof(fp)) {
ssize_t diff = (ssize_t)(ptr - *buf);
if (diff != 0) {
*ptr = '\0';
return diff;
}
}
return -1;
}
*ptr++ = c;
if (c == delimiter) {
*ptr = '\0';
return ptr - *buf;
}
if (ptr + 2 >= eptr) {
char *nbuf;
size_t nbufsiz = *bufsiz * 2;
ssize_t d = ptr - *buf;
if ((nbuf = realloc(*buf, nbufsiz)) == NULL)
return -1;
*buf = nbuf;
*bufsiz = nbufsiz;
eptr = nbuf + nbufsiz;
ptr = nbuf + d;
}
}
}
#endif

2
src/ext/include.am
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@ -10,6 +10,7 @@ EXTHEADERS = \
src/ext/tor_readpassphrase.h \
src/ext/strlcat.c \
src/ext/strlcpy.c \
src/ext/getdelim.c \
src/ext/tinytest_macros.h \
src/ext/tor_queue.h \
src/ext/siphash.h \
@ -173,4 +174,3 @@ EXTRA_DIST += \
src/ext/timeouts/Makefile \
src/ext/timeouts/Rules.shrc \
src/ext/timeouts/test-timeout.c