GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/netgroup_mkdb/util.c Lines: 0 23 0.0 %
Date: 2017-11-13 Branches: 0 14 0.0 %

Line Branch Exec Source
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/*
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 * Copyright (c) 1994 Christos Zoulas
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *	This product includes software developed by Christos Zoulas.
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 * 4. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <err.h>
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#include <stdlib.h>
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#include <string.h>
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#include "util.h"
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/* emalloc():
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 *	Error checked malloc
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 */
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void *
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emalloc(size_t s)
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{
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	void *ptr = malloc(s);
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	if (ptr == NULL)
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		err(1, NULL);
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	return ptr;
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}
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/* erealloc():
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 *	Error checked realloc
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 */
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void *
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erealloc(void *p, size_t s)
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{
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	void *ptr = realloc(p, s);
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	if (ptr == NULL)
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		err(1, NULL);
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	return ptr;
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}
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/* get_line():
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 *	Read a line from a file parsing continuations ending in \
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 *	and eliminating trailing newlines.
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 */
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char *
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get_line(FILE *fp, size_t *size)
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{
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	size_t s, len = 0;
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	char *buf = NULL, *ptr;
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	int cnt = 1;
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	while (cnt) {
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		if ((ptr = fgetln(fp, &s)) == NULL) {
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			*size = len;
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			return buf;
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		}
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		if (ptr[s - 1] == '\n')		/* the newline may be missing at EOF */
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			s--;				/* forget newline */
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		if (s && (cnt = (ptr[s - 1] == '\\')))	/* check for \\ */
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			s--;				/* forget \\ */
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		buf = erealloc(buf, len + s + 1);
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		memcpy(buf + len, ptr, s);
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		len += s;
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		buf[len] = '\0';
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	}
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	*size = len;
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	return buf;
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}