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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/rpc/getrpcent.c	Lines:	0	78	0.0 %
Date:	2017-11-13	Branches:	0	62	0.0 %


/*	$OpenBSD: getrpcent.c,v 1.21 2015/09/13 15:36:56 guenther Exp $ */

/*
 * Copyright (c) 2010, Oracle America, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the "Oracle America, Inc." 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 COPYRIGHT HOLDERS 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
 *   COPYRIGHT HOLDER 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 <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <limits.h>
#include <rpc/rpc.h>

/*
 * Internet version.
 */
static struct rpcdata {
	FILE	*rpcf;
	int	stayopen;
#define	MAXALIASES	35
	char	*rpc_aliases[MAXALIASES];
	struct	rpcent rpc;
	char	line[BUFSIZ+1];
} *rpcdata;

static	struct rpcent *interpret(char *val, int len);

static char RPCDB[] = "/etc/rpc";

static struct rpcdata *
_rpcdata(void)
{
	struct rpcdata *d = rpcdata;

	if (d == NULL) {
		d = calloc(1, sizeof (struct rpcdata));
		rpcdata = d;
	}
	return (d);
}

struct rpcent *
getrpcbynumber(int number)
{
	struct rpcdata *d = _rpcdata();
	struct rpcent *p;

	if (d == NULL)
		return (0);
	setrpcent(0);
	while ((p = getrpcent())) {
		if (p->r_number == number)
			break;
	}
	endrpcent();
	return (p);
}

struct rpcent *
getrpcbyname(char *name)
{
	struct rpcent *rpc;
	char **rp;

	setrpcent(0);
	while ((rpc = getrpcent())) {
		if (strcmp(rpc->r_name, name) == 0)
			goto done;
		for (rp = rpc->r_aliases; *rp != NULL; rp++) {
			if (strcmp(*rp, name) == 0)
				goto done;
		}
	}
done:
	endrpcent();
	return (rpc);
}

void
setrpcent(int f)
{
	struct rpcdata *d = _rpcdata();

	if (d == NULL)
		return;
	if (d->rpcf == NULL)
		d->rpcf = fopen(RPCDB, "re");
	else
		rewind(d->rpcf);
	d->stayopen |= f;
}
DEF_WEAK(setrpcent);

void
endrpcent(void)
{
	struct rpcdata *d = _rpcdata();

	if (d == NULL)
		return;
	if (d->rpcf && !d->stayopen) {
		fclose(d->rpcf);
		d->rpcf = NULL;
	}
}
DEF_WEAK(endrpcent);

struct rpcent *
getrpcent(void)
{
	struct rpcdata *d = _rpcdata();

	if (d == NULL)
		return(NULL);
	if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "re")) == NULL)
		return (NULL);
	/* -1 so there is room to append a \n below */
        if (fgets(d->line, sizeof(d->line) - 1, d->rpcf) == NULL)
		return (NULL);
	return (interpret(d->line, strlen(d->line)));
}
DEF_WEAK(getrpcent);

static struct rpcent *
interpret(char *val, int len)
{
	const char *errstr;
	struct rpcdata *d = _rpcdata();
	char *p;
	char *cp, *num, **q;

	if (d == NULL)
		return (0);
	strlcpy(d->line, val, sizeof(d->line));
	p = d->line;
	p[len] = '\n';
	if (*p == '#')
		return (getrpcent());
	cp = strpbrk(p, "#\n");
	if (cp == NULL)
		return (getrpcent());
	*cp = '\0';
	cp = strpbrk(p, " \t");
	if (cp == NULL)
		return (getrpcent());
	*cp++ = '\0';
	/* THIS STUFF IS INTERNET SPECIFIC */
	d->rpc.r_name = d->line;
	while (*cp == ' ' || *cp == '\t')
		cp++;
	num = cp;
	cp = strpbrk(cp, " \t");
	if (cp != NULL)
		*cp++ = '\0';
	d->rpc.r_number = strtonum(num, 0, INT_MAX, &errstr);
	if (errstr)
		return (0);
	q = d->rpc.r_aliases = d->rpc_aliases;
	while (cp && *cp) {
		if (*cp == ' ' || *cp == '\t') {
			cp++;
			continue;
		}
		if (q < &(d->rpc_aliases[MAXALIASES - 1]))
			*q++ = cp;
		cp = strpbrk(cp, " \t");
		if (cp != NULL)
			*cp++ = '\0';
	}
	*q = NULL;
	return (&d->rpc);
}



Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: getrpcent.c,v 1.21 2015/09/13 15:36:56 guenther Exp $ */
2
3			/*
4			* Copyright (c) 2010, Oracle America, Inc.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions are
8			* met:
9			*
10			* * Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* * Redistributions in binary form must reproduce the above
13			* copyright notice, this list of conditions and the following
14			* disclaimer in the documentation and/or other materials
15			* provided with the distribution.
16			* * Neither the name of the "Oracle America, Inc." nor the names of its
17			* contributors may be used to endorse or promote products derived
18			* from this software without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21			* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22			* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23			* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24			* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25			* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27			* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29			* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30			* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31			* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32			*/
33
34			#include <stdio.h>
35			#include <stdlib.h>
36			#include <sys/types.h>
37			#include <string.h>
38			#include <limits.h>
39			#include <rpc/rpc.h>
40
41			/*
42			* Internet version.
43			*/
44			static struct rpcdata {
45			FILE *rpcf;
46			int stayopen;
47			#define MAXALIASES 35
48			char *rpc_aliases[MAXALIASES];
49			struct rpcent rpc;
50			char line[BUFSIZ+1];
51			} *rpcdata;
52
53			static struct rpcent interpret(char val, int len);
54
55			static char RPCDB[] = "/etc/rpc";
56
57			static struct rpcdata *
58			_rpcdata(void)
59			{
60			struct rpcdata *d = rpcdata;
61
62			if (d == NULL) {
63			d = calloc(1, sizeof (struct rpcdata));
64			rpcdata = d;
65			}
66			return (d);
67			}
68
69			struct rpcent *
70			getrpcbynumber(int number)
71			{
72			struct rpcdata *d = _rpcdata();
73			struct rpcent *p;
74
75			if (d == NULL)
76			return (0);
77			setrpcent(0);
78			while ((p = getrpcent())) {
79			if (p->r_number == number)
80			break;
81			}
82			endrpcent();
83			return (p);
84			}
85
86			struct rpcent *
87			getrpcbyname(char *name)
88			{
89			struct rpcent *rpc;
90			char **rp;
91
92			setrpcent(0);
93			while ((rpc = getrpcent())) {
94			if (strcmp(rpc->r_name, name) == 0)
95			goto done;
96			for (rp = rpc->r_aliases; *rp != NULL; rp++) {
97			if (strcmp(*rp, name) == 0)
98			goto done;
99			}
100			}
101			done:
102			endrpcent();
103			return (rpc);
104			}
105
106			void
107			setrpcent(int f)
108			{
109			struct rpcdata *d = _rpcdata();
110
111			if (d == NULL)
112			return;
113			if (d->rpcf == NULL)
114			d->rpcf = fopen(RPCDB, "re");
115			else
116			rewind(d->rpcf);
117			d->stayopen \|= f;
118			}
119			DEF_WEAK(setrpcent);
120
121			void
122			endrpcent(void)
123			{
124			struct rpcdata *d = _rpcdata();
125
126			if (d == NULL)
127			return;
128			if (d->rpcf && !d->stayopen) {
129			fclose(d->rpcf);
130			d->rpcf = NULL;
131			}
132			}
133			DEF_WEAK(endrpcent);
134
135			struct rpcent *
136			getrpcent(void)
137			{
138			struct rpcdata *d = _rpcdata();
139
140			if (d == NULL)
141			return(NULL);
142			if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "re")) == NULL)
143			return (NULL);
144			/* -1 so there is room to append a \n below */
145			if (fgets(d->line, sizeof(d->line) - 1, d->rpcf) == NULL)
146			return (NULL);
147			return (interpret(d->line, strlen(d->line)));
148			}
149			DEF_WEAK(getrpcent);
150
151			static struct rpcent *
152			interpret(char *val, int len)
153			{
154			const char *errstr;
155			struct rpcdata *d = _rpcdata();
156			char *p;
157			char cp, num, **q;
158
159			if (d == NULL)
160			return (0);
161			strlcpy(d->line, val, sizeof(d->line));
162			p = d->line;
163			p[len] = '\n';
164			if (*p == '#')
165			return (getrpcent());
166			cp = strpbrk(p, "#\n");
167			if (cp == NULL)
168			return (getrpcent());
169			*cp = '\0';
170			cp = strpbrk(p, " \t");
171			if (cp == NULL)
172			return (getrpcent());
173			*cp++ = '\0';
174			/* THIS STUFF IS INTERNET SPECIFIC */
175			d->rpc.r_name = d->line;
176			while (cp == ' ' \|\| cp == '\t')
177			cp++;
178			num = cp;
179			cp = strpbrk(cp, " \t");
180			if (cp != NULL)
181			*cp++ = '\0';
182			d->rpc.r_number = strtonum(num, 0, INT_MAX, &errstr);
183			if (errstr)
184			return (0);
185			q = d->rpc.r_aliases = d->rpc_aliases;
186			while (cp && *cp) {
187			if (cp == ' ' \|\| cp == '\t') {
188			cp++;
189			continue;
190			}
191			if (q < &(d->rpc_aliases[MAXALIASES - 1]))
192			*q++ = cp;
193			cp = strpbrk(cp, " \t");
194			if (cp != NULL)
195			*cp++ = '\0';
196			}
197			*q = NULL;
198			return (&d->rpc);
199			}
200