/* * 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 = "from: @(#)getnetbyname.c 5.7 (Berkeley) 2/24/91";*/ static char *rcsid = "$Id$"; #endif /* LIBC_SCCS and not lint */ #include <netdb.h> #include <string.h> #include "net_internal.h" struct netent *getnetbyname(const char *name) { char *buf = _net_buf(); if (!buf) return NULL; return getnetbyname_r(name, (struct netent *) buf, buf + sizeof(struct netent), NET_BUFSIZE); } struct netent *getnetbyname_r(const char *name, struct netent *result, char *buf, int bufsize) { char **alias; pthread_mutex_lock(&net_iterate_lock); setnetent(0); while ((result = getnetent_r(result, buf, bufsize)) != NULL) { /* Check the entry's name and aliases against the given name. */ if (strcmp(result->n_name, name) == 0) break; for (alias = result->n_aliases; *alias != 0; alias++) { if (strcmp(*alias, name) == 0) break; } } pthread_mutex_unlock(&net_iterate_lock); return result; }