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/* $OpenPackages$ */
/* $OpenBSD: util.c,v 1.23 2007/09/17 09:28:36 espie Exp $ */
/* $NetBSD: util.c,v 1.10 1996/12/31 17:56:04 christos Exp $ */
/*
* Copyright (c) 2001 Marc Espie.
*
* 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 OPENBSD PROJECT 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 OPENBSD
* PROJECT 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.
*/
/* OPENBSD ORIGINAL: usr.bin/make/util.c */
#include "includes.h"
#ifndef HAVE_FGETLN
#include <stdlib.h>
char *
fgetln(stream, len)
FILE *stream;
size_t *len;
{
static char *buffer = NULL;
static size_t buflen = 0;
char *tmp;
if (buflen == 0) {
buflen = 512;
buffer = malloc(buflen+1);
if (buffer == NULL)
return NULL;
}
if (fgets(buffer, buflen+1, stream) == NULL)
return NULL;
*len = strlen(buffer);
while (*len == buflen && buffer[*len-1] != '\n') {
tmp = realloc(buffer, 2*buflen + 1);
if (tmp == NULL) {
free(buffer);
return NULL;
}
buffer = tmp;
if (fgets(buffer + buflen, buflen + 1, stream) == NULL)
return NULL;
*len += strlen(buffer + buflen);
buflen *= 2;
}
return buffer;
}
#endif
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