diff options
Diffstat (limited to 'libc/getservbyport.c')
-rw-r--r-- | libc/getservbyport.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libc/getservbyport.c b/libc/getservbyport.c new file mode 100644 index 0000000..4a47e84 --- /dev/null +++ b/libc/getservbyport.c @@ -0,0 +1,94 @@ +#include <machine/rtems-bsd-user-space.h> + +/* + * 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. 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <netdb.h> +#include <string.h> + +extern int _serv_stayopen; + +int getservbyport_r( + int port, + const char *proto, + struct servent *result_buf, + char *buf, + size_t buflen, + struct servent **result +) +{ + #warning "implement a proper getservbyport_r" + + *result = getservbyport(port, proto); + if ( *result ) + return 0; + + return -1; +} + +struct servent * +getservbyport( + int port, + const char *proto) +{ + register struct servent *p; + +#ifdef YP + extern int ___getservbyport_yp; + extern char *___getservbyproto_yp; + + ___getservbyport_yp = port; + ___getservbyproto_yp = (char *)proto; +#endif + + setservent(_serv_stayopen); + while ( (p = getservent()) ) { + if (p->s_port != port) + continue; + if (proto == 0 || strcmp(p->s_proto, proto) == 0) + break; + } + if (!_serv_stayopen) + endservent(); + +#ifdef YP + ___getservbyport_yp = 0; + ___getservbyproto_yp = NULL; +#endif + + return (p); +} |