80 lines
1.4 KiB
C
80 lines
1.4 KiB
C
/*
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getsockname()
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from socket emulation library for Minix 2.0.x
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/gen/in.h>
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#include <net/gen/tcp.h>
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#include <net/gen/tcp_io.h>
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#include <net/gen/udp.h>
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#include <net/gen/udp_io.h>
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/*
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#define DEBUG 0
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*/
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/*
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getsockname...
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*/
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int getsockname(int fd, struct sockaddr *_RESTRICT address,
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socklen_t *_RESTRICT address_len)
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{
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nwio_tcpconf_t tcpconf;
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socklen_t len;
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struct sockaddr_in sin;
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#ifdef DEBUG
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fprintf(stderr,"mnx_getsockname: ioctl fd %d.\n", fd);
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#endif
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if (ioctl(fd, NWIOGTCPCONF, &tcpconf)==-1) {
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#ifdef DEBUG
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fprintf(stderr,"mnx_getsockname: error %d\n", errno);
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#endif
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return (-1);
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}
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#ifdef DEBUG1
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fprintf(stderr, "mnx_getsockname: from %s, %u",
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inet_ntoa(tcpconf.nwtc_remaddr),
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ntohs(tcpconf.nwtc_remport));
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fprintf(stderr," for %s, %u\n",
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inet_ntoa(tcpconf.nwtc_locaddr),
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ntohs(tcpconf.nwtc_locport));
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#endif
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/*
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addr->sin_addr.s_addr = tcpconf.nwtc_remaddr ;
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addr->sin_port = tcpconf.nwtc_locport;
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*/
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memset(&sin, '\0', sizeof(sin));
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sin.sin_family= AF_INET;
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sin.sin_addr.s_addr= tcpconf.nwtc_remaddr ;
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sin.sin_port= tcpconf.nwtc_locport;
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len= *address_len;
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if (len > sizeof(sin))
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len= sizeof(sin);
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memcpy(address, &sin, len);
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*address_len= len;
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return 0;
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}
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