GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/tcpdump/savestr.c Lines: 0 14 0.0 %
Date: 2017-11-13 Branches: 0 6 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: savestr.c,v 1.10 2015/11/16 00:16:39 mmcc Exp $	*/
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/*
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 * Copyright (c) 1997
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 *	The Regents of the University of California.  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: (1) source code distributions
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 * retain the above copyright notice and this paragraph in its entirety, (2)
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 * distributions including binary code include the above copyright notice and
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 * this paragraph in its entirety in the documentation or other materials
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 * provided with the distribution, and (3) all advertising materials mentioning
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 * features or use of this software display the following acknowledgement:
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 * ``This product includes software developed by the University of California,
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 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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 * the University nor the names of its contributors may be used to endorse
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 * or promote products derived from this software without specific prior
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 * written permission.
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 */
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_OS_PROTO_H
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#include "os-proto.h"
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#endif
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#include "savestr.h"
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/* A replacement for strdup() that cuts down on malloc() overhead */
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char *
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savestr(const char *str)
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{
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	size_t size;
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	char *p;
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	static char *strptr = NULL;
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	static size_t strsize = 0;
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	size = strlen(str) + 1;
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	if (size > strsize) {
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		strsize = 1024;
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		if (strsize < size)
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			strsize = size;
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		strptr = malloc(strsize);
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		if (strptr == NULL) {
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			fprintf(stderr, "savestr: malloc\n");
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			exit(1);
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		}
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	}
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	(void)strlcpy(strptr, str, size);
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	p = strptr;
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	strptr += size;
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	strsize -= size;
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	return (p);
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}