W. Eric Norum
6fad25e2d1
os-dependent directory to their own directory. This solves the problem in which these files include header files which are not yet installed when libCom is being built.
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
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* RTEMS utilitiy routines for EPICS
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* $Id$
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* Author: W. Eric Norum
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* eric@cls.usask.ca
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* (306) 966-6055
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*
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* Supplies routines that are present in vxWorks but missing in RTEMS.
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*/
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#include <string.h>
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#include <netdb.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <netinet/in.h>
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/*
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* Like connect(), but with an explicit timeout
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*/
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int connectWithTimeout (int sfd,
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struct sockaddr *addr,
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int addrlen,
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struct timeval *timeout)
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{
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struct timeval sv;
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int svlen = sizeof sv;
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int ret;
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if (!timeout)
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return connect (sfd, addr, addrlen);
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if (getsockopt (sfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&sv, &svlen) < 0)
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return -1;
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if (setsockopt (sfd, SOL_SOCKET, SO_RCVTIMEO, (char *)timeout, sizeof *timeout) < 0)
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return -1;
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ret = connect (sfd, addr, addrlen);
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setsockopt (sfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&sv, sizeof sv);
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return ret;
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}
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/*
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* RTEMS does not have the getprotobyXXX routines.
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* Provide these simple-minded versions.
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*/
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static char *ip_alias[] = { "IP", NULL };
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static char *icmp_alias[] = { "ICMP", NULL };
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static char *tcp_alias[] = { "TCP", NULL };
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static char *udp_alias[] = { "UDP", NULL };
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static struct protoent prototab[] = {
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{ "IP", ip_alias, IPPROTO_IP },
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{ "ICMP", icmp_alias, IPPROTO_ICMP },
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{ "TCP", tcp_alias, IPPROTO_TCP },
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{ "UDP", udp_alias, IPPROTO_UDP },
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};
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struct protoent *
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getprotobyname (const char *name)
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{
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int i;
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for (i = 0 ; i < (sizeof prototab / sizeof prototab[0]) ; i++) {
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if (strcasecmp (name, prototab[i].p_name) == 0)
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return (struct protoent *) &prototab[i];
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}
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return NULL;
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}
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struct protoent *
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getprotobynumber (int proto)
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{
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int i;
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for (i = 0 ; i < (sizeof prototab / sizeof prototab[0]) ; i++) {
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if (proto == prototab[i].p_proto)
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return (struct protoent *) &prototab[i];
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}
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return NULL;
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}
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