Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/net/getservent.c	Lines:	0	82	0.0 %
Date:	2017-11-13	Branches:	0	56	0.0 %


/*	$OpenBSD: getservent.c,v 1.15 2015/09/14 07:38:38 guenther Exp $ */
/*
 * Copyright (c) 1983, 1993
 *	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 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.
 * 3. 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 BY THE REGENTS 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 REGENTS 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.
 */

#include <sys/types.h>
#include <sys/socket.h>

#include <errno.h>
#include <limits.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

void
setservent_r(int f, struct servent_data *sd)
{
	if (sd->fp == NULL)
		sd->fp = fopen(_PATH_SERVICES, "re" );
	else
		rewind(sd->fp);
	sd->stayopen |= f;
}
DEF_WEAK(setservent_r);

void
endservent_r(struct servent_data *sd)
{
	if (sd->fp) {
		fclose(sd->fp);
		sd->fp = NULL;
	}
	free(sd->aliases);
	sd->aliases = NULL;
	sd->maxaliases = 0;
	free(sd->line);
	sd->line = NULL;
	sd->stayopen = 0;
}
DEF_WEAK(endservent_r);

int
getservent_r(struct servent *se, struct servent_data *sd)
{
	char *p, *cp, **q, *endp;
	size_t len;
	long l;
	int serrno;

	if (sd->fp == NULL && (sd->fp = fopen(_PATH_SERVICES, "re" )) == NULL)
		return (-1);
again:
	if ((p = fgetln(sd->fp, &len)) == NULL)
		return (-1);
	if (len == 0 || *p == '#' || *p == '\n')
		goto again;
	if (p[len-1] == '\n')
		len--;
	if ((cp = memchr(p, '#', len)) != NULL)
		len = cp - p;
	cp = realloc(sd->line, len + 1);
	if (cp == NULL)
		return (-1);
	sd->line = se->s_name = memcpy(cp, p, len);
	cp[len] = '\0';
	p = strpbrk(cp, " \t");
	if (p == NULL)
		goto again;
	*p++ = '\0';
	while (*p == ' ' || *p == '\t')
		p++;
	cp = strpbrk(p, ",/");
	if (cp == NULL)
		goto again;
	*cp++ = '\0';
	l = strtol(p, &endp, 10);
	if (endp == p || *endp != '\0' || l < 0 || l > USHRT_MAX)
		goto again;
	se->s_port = htons((in_port_t)l);
	se->s_proto = cp;
	if (sd->aliases == NULL) {
		sd->maxaliases = 10;
		sd->aliases = calloc(sd->maxaliases, sizeof(char *));
		if (sd->aliases == NULL) {
			serrno = errno;
			endservent_r(sd);
			errno = serrno;
			return (-1);
		}
	}
	q = se->s_aliases = sd->aliases;
	cp = strpbrk(cp, " \t");
	if (cp != NULL)
		*cp++ = '\0';
	while (cp && *cp) {
		if (*cp == ' ' || *cp == '\t') {
			cp++;
			continue;
		}
		if (q == &se->s_aliases[sd->maxaliases - 1]) {
			p = reallocarray(se->s_aliases, sd->maxaliases,
			    2 * sizeof(char *));
			if (p == NULL) {
				serrno = errno;
				endservent_r(sd);
				errno = serrno;
				return (-1);
			}
			sd->maxaliases *= 2;
			q = (char **)p + (q - se->s_aliases);
			se->s_aliases = sd->aliases = (char **)p;
		}
		*q++ = cp;
		cp = strpbrk(cp, " \t");
		if (cp != NULL)
			*cp++ = '\0';
	}
	*q = NULL;
	return (0);
}
DEF_WEAK(getservent_r);

struct servent_data _servent_data;	/* shared with getservby{name,port}.c */

void
setservent(int f)
{
	setservent_r(f, &_servent_data);
}

void
endservent(void)
{
	endservent_r(&_servent_data);
}

struct servent *
getservent(void)
{
	static struct servent serv;

	if (getservent_r(&serv, &_servent_data) != 0)
		return (NULL);
	return (&serv);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: getservent.c,v 1.15 2015/09/14 07:38:38 guenther Exp $ */
2			/*
3			* Copyright (c) 1983, 1993
4			* The Regents of the University of California. All rights reserved.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions
8			* are met:
9			* 1. Redistributions of source code must retain the above copyright
10			* notice, this list of conditions and the following disclaimer.
11			* 2. Redistributions in binary form must reproduce the above copyright
12			* notice, this list of conditions and the following disclaimer in the
13			* documentation and/or other materials provided with the distribution.
14			* 3. Neither the name of the University nor the names of its contributors
15			* may be used to endorse or promote products derived from this software
16			* without specific prior written permission.
17			*
18			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28			* SUCH DAMAGE.
29			*/
30
31			#include <sys/types.h>
32			#include <sys/socket.h>
33
34			#include <errno.h>
35			#include <limits.h>
36			#include <netdb.h>
37			#include <stdio.h>
38			#include <string.h>
39			#include <stdlib.h>
40
41			void
42			setservent_r(int f, struct servent_data *sd)
43			{
44			if (sd->fp == NULL)
45			sd->fp = fopen(_PATH_SERVICES, "re" );
46			else
47			rewind(sd->fp);
48			sd->stayopen \|= f;
49			}
50			DEF_WEAK(setservent_r);
51
52			void
53			endservent_r(struct servent_data *sd)
54			{
55			if (sd->fp) {
56			fclose(sd->fp);
57			sd->fp = NULL;
58			}
59			free(sd->aliases);
60			sd->aliases = NULL;
61			sd->maxaliases = 0;
62			free(sd->line);
63			sd->line = NULL;
64			sd->stayopen = 0;
65			}
66			DEF_WEAK(endservent_r);
67
68			int
69			getservent_r(struct servent se, struct servent_data sd)
70			{
71			char p, cp, *q, endp;
72			size_t len;
73			long l;
74			int serrno;
75
76			if (sd->fp == NULL && (sd->fp = fopen(_PATH_SERVICES, "re" )) == NULL)
77			return (-1);
78			again:
79			if ((p = fgetln(sd->fp, &len)) == NULL)
80			return (-1);
81			if (len == 0 \|\| p == '#' \|\| p == '\n')
82			goto again;
83			if (p[len-1] == '\n')
84			len--;
85			if ((cp = memchr(p, '#', len)) != NULL)
86			len = cp - p;
87			cp = realloc(sd->line, len + 1);
88			if (cp == NULL)
89			return (-1);
90			sd->line = se->s_name = memcpy(cp, p, len);
91			cp[len] = '\0';
92			p = strpbrk(cp, " \t");
93			if (p == NULL)
94			goto again;
95			*p++ = '\0';
96			while (p == ' ' \|\| p == '\t')
97			p++;
98			cp = strpbrk(p, ",/");
99			if (cp == NULL)
100			goto again;
101			*cp++ = '\0';
102			l = strtol(p, &endp, 10);
103			if (endp == p \|\| *endp != '\0' \|\| l < 0 \|\| l > USHRT_MAX)
104			goto again;
105			se->s_port = htons((in_port_t)l);
106			se->s_proto = cp;
107			if (sd->aliases == NULL) {
108			sd->maxaliases = 10;
109			sd->aliases = calloc(sd->maxaliases, sizeof(char *));
110			if (sd->aliases == NULL) {
111			serrno = errno;
112			endservent_r(sd);
113			errno = serrno;
114			return (-1);
115			}
116			}
117			q = se->s_aliases = sd->aliases;
118			cp = strpbrk(cp, " \t");
119			if (cp != NULL)
120			*cp++ = '\0';
121			while (cp && *cp) {
122			if (cp == ' ' \|\| cp == '\t') {
123			cp++;
124			continue;
125			}
126			if (q == &se->s_aliases[sd->maxaliases - 1]) {
127			p = reallocarray(se->s_aliases, sd->maxaliases,
128			2 * sizeof(char *));
129			if (p == NULL) {
130			serrno = errno;
131			endservent_r(sd);
132			errno = serrno;
133			return (-1);
134			}
135			sd->maxaliases *= 2;
136			q = (char **)p + (q - se->s_aliases);
137			se->s_aliases = sd->aliases = (char **)p;
138			}
139			*q++ = cp;
140			cp = strpbrk(cp, " \t");
141			if (cp != NULL)
142			*cp++ = '\0';
143			}
144			*q = NULL;
145			return (0);
146			}
147			DEF_WEAK(getservent_r);
148
149			struct servent_data _servent_data; /* shared with getservby{name,port}.c */
150
151			void
152			setservent(int f)
153			{
154			setservent_r(f, &_servent_data);
155			}
156
157			void
158			endservent(void)
159			{
160			endservent_r(&_servent_data);
161			}
162
163			struct servent *
164			getservent(void)
165			{
166			static struct servent serv;
167
168			if (getservent_r(&serv, &_servent_data) != 0)
169			return (NULL);
170			return (&serv);
171			}