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vendor/NetBSD/blacklist/dist/port/fgetln.c
Property | Old Value | New Value |
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svn:eol-style | null | native \ No newline at end of property |
svn:keywords | null | FreeBSD=%H \ No newline at end of property |
svn:mime-type | null | text/plain \ No newline at end of property |
/* $NetBSD: fgetln.c,v 1.1 2015/01/22 03:48:07 christos Exp $ */ | |||||
/*- | |||||
* Copyright (c) 1998 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. | |||||
*/ | |||||
#ifdef HAVE_CONFIG_H | |||||
#include "config.h" | |||||
#endif | |||||
#if !HAVE_FGETLN | |||||
#include <stdlib.h> | |||||
#ifndef HAVE_NBTOOL_CONFIG_H | |||||
/* These headers are required, but included from nbtool_config.h */ | |||||
#include <stdio.h> | |||||
#include <unistd.h> | |||||
#include <errno.h> | |||||
#include <string.h> | |||||
#endif | |||||
char * | |||||
fgetln(FILE *fp, size_t *len) | |||||
{ | |||||
static char *buf = NULL; | |||||
static size_t bufsiz = 0; | |||||
char *ptr; | |||||
if (buf == NULL) { | |||||
bufsiz = BUFSIZ; | |||||
if ((buf = malloc(bufsiz)) == NULL) | |||||
return NULL; | |||||
} | |||||
if (fgets(buf, bufsiz, fp) == NULL) | |||||
return NULL; | |||||
*len = 0; | |||||
while ((ptr = strchr(&buf[*len], '\n')) == NULL) { | |||||
size_t nbufsiz = bufsiz + BUFSIZ; | |||||
char *nbuf = realloc(buf, nbufsiz); | |||||
if (nbuf == NULL) { | |||||
int oerrno = errno; | |||||
free(buf); | |||||
errno = oerrno; | |||||
buf = NULL; | |||||
return NULL; | |||||
} else | |||||
buf = nbuf; | |||||
if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL) { | |||||
buf[bufsiz] = '\0'; | |||||
*len = strlen(buf); | |||||
return buf; | |||||
} | |||||
*len = bufsiz; | |||||
bufsiz = nbufsiz; | |||||
} | |||||
*len = (ptr - buf) + 1; | |||||
return buf; | |||||
} | |||||
#endif | |||||
#ifdef TEST | |||||
int | |||||
main(int argc, char *argv[]) | |||||
{ | |||||
char *p; | |||||
size_t len; | |||||
while ((p = fgetln(stdin, &len)) != NULL) { | |||||
(void)printf("%zu %s", len, p); | |||||
free(p); | |||||
} | |||||
return 0; | |||||
} | |||||
#endif |