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-rw-r--r--lib/libc/net/getservbyname.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/libc/net/getservbyname.c b/lib/libc/net/getservbyname.c
new file mode 100644
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+++ b/lib/libc/net/getservbyname.c
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+/*
+ * 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getservbyname.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <netdb.h>
+#include <string.h>
+#include "netdb_private.h"
+
+int
+getservbyname_r(const char *name, const char *proto, struct servent *se,
+ struct servent_data *sed)
+{
+ char **cp;
+ int error;
+
+#ifdef YP
+ sed->yp_name = (char *)name;
+ sed->yp_proto = (char *)proto;
+#endif
+
+ setservent_r(sed->stayopen, sed);
+ while ((error = getservent_r(se, sed)) == 0) {
+ if (strcmp(name, se->s_name) == 0)
+ goto gotname;
+ for (cp = se->s_aliases; *cp; cp++)
+ if (strcmp(name, *cp) == 0)
+ goto gotname;
+ continue;
+gotname:
+ if (proto == 0 || strcmp(se->s_proto, proto) == 0)
+ break;
+ }
+ if (!sed->stayopen)
+ endservent_r(sed);
+
+#ifdef YP
+ sed->yp_name = NULL;
+ sed->yp_proto = NULL;
+#endif
+
+ return (error);
+}
+
+struct servent *
+getservbyname(const char *name, const char *proto)
+{
+ struct servdata *sd;
+
+ if ((sd = __servdata_init()) == NULL)
+ return (NULL);
+ if (getservbyname_r(name, proto, &sd->serv, &sd->data) != 0)
+ return (NULL);
+ return (&sd->serv);
+}
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