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EnigmA Amiga Run 1996 June
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EnigmA AMIGA RUN 08 (1996)(G.R. Edizioni)(IT)[!][issue 1996-06][EARSAN CD VII].iso
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earcd
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gcc
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ixemlsrc.lha
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ixemul
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ixnet
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getprotoent.c
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C/C++ Source or Header
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1996-03-13
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5KB
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150 lines
/*
* Copyright (c) 1983 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getprotoent.c 5.8 (Berkeley) 2/24/91";
#endif /* LIBC_SCCS and not lint */
#define KERNEL
#include "ixnet.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAXALIASES 35
static FILE *protof = NULL;
static struct protoent proto;
static char *proto_aliases[MAXALIASES];
int _proto_stayopen = 0;
void
setprotoent(int f) {
register struct ixnet *p = (struct ixnet *)u.u_ixnet;
register int network_protocol = p->u_networkprotocol;
if (network_protocol == IX_NETWORK_AMITCP) {
if (protof == NULL)
protof = fopen(_TCP_PATH_PROTOCOLS, "r" );
else
rewind(protof);
_proto_stayopen |= f;
}
else /*if (network_protocol == IX_NETWORK_AS225) */ {
SOCK_setprotoent(p->u_SockBase,f);
return;
}
}
void
endprotoent(void) {
register struct ixnet *p = (struct ixnet *)u.u_ixnet;
if (p->u_networkprotocol == IX_NETWORK_AS225) {
SOCK_endprotoent(p->u_SockBase);
return;
}
else {
if (protof) {
fclose(protof);
protof = NULL;
}
_proto_stayopen = 0;
}
}
struct protoent *
getprotoent(void) {
char *p;
register char *cp, **q;
register struct ixnet *usr = (struct ixnet *)u.u_ixnet;
static char line[BUFSIZ+1];
if (usr->u_networkprotocol == IX_NETWORK_AS225) {
return SOCK_getprotoent(usr->u_SockBase);
}
else/* if (usr->u_networkprotocol == IX_NETWORK_AMITCP)*/ {
if (protof == NULL && (protof = fopen(_TCP_PATH_PROTOCOLS, "r" )) == NULL)
return (NULL);
again:
if ((p = fgets(line, BUFSIZ, protof)) == NULL)
return (NULL);
if (*p == '#')
goto again;
cp = strpbrk(p, "#\n");
if (cp == NULL)
goto again;
*cp = '\0';
proto.p_name = p;
cp = strpbrk(p, " \t");
if (cp == NULL)
goto again;
*cp++ = '\0';
while (*cp == ' ' || *cp == '\t')
cp++;
p = strpbrk(cp, " \t");
if (p != NULL)
*p++ = '\0';
proto.p_proto = atoi(cp);
q = proto.p_aliases = proto_aliases;
if (p != NULL) {
cp = p;
while (cp && *cp) {
if (*cp == ' ' || *cp == '\t') {
cp++;
continue;
}
if (q < &proto_aliases[MAXALIASES - 1])
*q++ = cp;
cp = strpbrk(cp, " \t");
if (cp != NULL)
*cp++ = '\0';
}
}
*q = NULL;
return (&proto);
}
}