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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/tcpdump/savestr.c	Lines:	0	14	0.0 %
Date:	2017-11-07	Branches:	0	6	0.0 %


/*	$OpenBSD: savestr.c,v 1.10 2015/11/16 00:16:39 mmcc Exp $	*/

/*
 * Copyright (c) 1997
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
 * distributions including binary code include the above copyright notice and
 * this paragraph in its entirety in the documentation or other materials
 * provided with the distribution, and (3) all advertising materials mentioning
 * features or use of this software display the following acknowledgement:
 * ``This product includes software developed by the University of California,
 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
 * the University nor the names of its contributors may be used to endorse
 * or promote products derived from this software without specific prior
 * written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_OS_PROTO_H
#include "os-proto.h"
#endif

#include "savestr.h"

/* A replacement for strdup() that cuts down on malloc() overhead */
char *
savestr(const char *str)
{
	size_t size;
	char *p;
	static char *strptr = NULL;
	static size_t strsize = 0;

	size = strlen(str) + 1;
	if (size > strsize) {
		strsize = 1024;
		if (strsize < size)
			strsize = size;
		strptr = malloc(strsize);
		if (strptr == NULL) {
			fprintf(stderr, "savestr: malloc\n");
			exit(1);
		}
	}
	(void)strlcpy(strptr, str, size);
	p = strptr;
	strptr += size;
	strsize -= size;
	return (p);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: savestr.c,v 1.10 2015/11/16 00:16:39 mmcc Exp $ */
2
3			/*
4			* Copyright (c) 1997
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that: (1) source code distributions
9			* retain the above copyright notice and this paragraph in its entirety, (2)
10			* distributions including binary code include the above copyright notice and
11			* this paragraph in its entirety in the documentation or other materials
12			* provided with the distribution, and (3) all advertising materials mentioning
13			* features or use of this software display the following acknowledgement:
14			* ``This product includes software developed by the University of California,
15			* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16			* the University nor the names of its contributors may be used to endorse
17			* or promote products derived from this software without specific prior
18			* written permission.
19			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20			* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21			* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22			*/
23
24			#include <sys/types.h>
25
26			#include <stdio.h>
27			#include <stdlib.h>
28			#include <string.h>
29
30			#ifdef HAVE_OS_PROTO_H
31			#include "os-proto.h"
32			#endif
33
34			#include "savestr.h"
35
36			/* A replacement for strdup() that cuts down on malloc() overhead */
37			char *
38			savestr(const char *str)
39			{
40			size_t size;
41			char *p;
42			static char *strptr = NULL;
43			static size_t strsize = 0;
44
45			size = strlen(str) + 1;
46			if (size > strsize) {
47			strsize = 1024;
48			if (strsize < size)
49			strsize = size;
50			strptr = malloc(strsize);
51			if (strptr == NULL) {
52			fprintf(stderr, "savestr: malloc\n");
53			exit(1);
54			}
55			}
56			(void)strlcpy(strptr, str, size);
57			p = strptr;
58			strptr += size;
59			strsize -= size;
60			return (p);
61			}