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-rw-r--r--lib/libpthread/net/getservbyname.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/libpthread/net/getservbyname.c b/lib/libpthread/net/getservbyname.c
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+++ b/lib/libpthread/net/getservbyname.c
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+/*
+ * 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: @(#)getservbyname.c 5.7 (Berkeley) 2/24/91";*/
+static char *rcsid = "$Id: getservbyname.c,v 1.1 1998/07/21 13:19:45 peter Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+#include <string.h>
+#include "serv_internal.h"
+
+struct servent *getservbyname(const char *name, const char *proto)
+{
+ char *buf = _serv_buf();
+
+ if (!buf)
+ return NULL;
+ return getservbyname_r(name, proto, (struct servent *) buf,
+ buf + sizeof(struct servent), SERV_BUFSIZE);
+}
+
+struct servent *getservbyname_r(const char *name, const char *proto,
+ struct servent *result, char *buf, int bufsize)
+{
+ char **alias;
+
+ pthread_mutex_lock(&serv_iterate_lock);
+ setservent(0);
+ while ((result = getservent_r(result, buf, bufsize)) != NULL) {
+ /* Check the entry's name and aliases against the given name. */
+ if (strcmp(result->s_name, name) != 0) {
+ for (alias = result->s_aliases; *alias != NULL; alias++) {
+ if (strcmp(*alias, name) == 0)
+ break;
+ }
+ if (*alias == NULL)
+ continue;
+ }
+ if (proto == NULL || strcmp(result->s_proto, proto) == 0)
+ break;
+ }
+ pthread_mutex_unlock(&serv_iterate_lock);
+ return result;
+}
+