1 files changed, 83 insertions, 0 deletions

diff --git a/src/lib/libc/net/getservbyname.c b/src/lib/libc/net/getservbyname.c
new file mode 100644
index 0000000000..f1c312ea82
--- /dev/null
+++ b/src/lib/libc/net/getservbyname.c
@@ -0,0 +1,83 @@
+/*
+ * 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. 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 rcsid[] = "$OpenBSD: getservbyname.c,v 1.6 2003/06/02 20:18:35 millert Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+#include <string.h>
+#include "thread_private.h"
+
+extern int _serv_stayopen;
+
+_THREAD_PRIVATE_MUTEX(getservbyname_r);
+
+struct servent *
+getservbyname_r(name, proto, se, buf, buflen)
+        const char *name, *proto;
+        struct servent *se;
+        char *buf;
+        int buflen;
+{
+        register struct servent *p;
+        register char **cp;
+
+        _THREAD_PRIVATE_MUTEX_LOCK(getservbyname_r);
+        setservent(_serv_stayopen);
+        while ((p = getservent())) {
+                if (strcmp(name, p->s_name) == 0)
+                        goto gotname;
+                for (cp = p->s_aliases; *cp; cp++)
+                        if (strcmp(name, *cp) == 0)
+                                goto gotname;
+                continue;
+gotname:
+                if (proto == 0 || strcmp(p->s_proto, proto) == 0)
+                        break;
+        }
+        if (!_serv_stayopen)
+                endservent();
+        _THREAD_PRIVATE_MUTEX_UNLOCK(getservbyname_r);
+        return (p);
+}
+
+struct servent *getservbyname(name, proto)
+        const char *name, *proto;
+{
+        _THREAD_PRIVATE_KEY(getservbyname);
+        static char buf[4096];
+        char *bufp = (char*)_THREAD_PRIVATE(getservbyname, buf, NULL);
+
+        if (bufp == NULL)
+                return (NULL);
+        return getservbyname_r(name, proto, (struct servent*) bufp, 
+                bufp + sizeof(struct servent), 
+                sizeof buf - sizeof(struct servent) );
+}