1 files changed, 29 insertions, 31 deletions

diff --git a/src/lib/libc/net/sethostent.c b/src/lib/libc/string/strcasestr.c
index 00f6499695..aa74c0176d 100644
--- a/src/lib/libc/net/sethostent.c
+++ b/src/lib/libc/string/strcasestr.c
@@ -1,9 +1,13 @@
-/*      $NetBSD: sethostent.c,v 1.4 1995/02/25 06:21:03 cgd Exp $       */
+/*      $OpenBSD: strcasestr.c,v 1.3 2006/03/31 05:34:55 deraadt Exp $  */
+/*      $NetBSD: strcasestr.c,v 1.2 2005/02/09 21:35:47 kleink Exp $    */
 
-/*
- * Copyright (c) 1985, 1993
+/*-
+ * Copyright (c) 1990, 1993
  *      The Regents of the University of California.  All rights reserved.
  *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -12,11 +16,7 @@
  * 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
+ * 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.
  *
@@ -33,30 +33,28 @@
  * SUCH DAMAGE.
  */
 
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)sethostent.c        8.1 (Berkeley) 6/4/93";
-#else
-static char rcsid[] = "$NetBSD: sethostent.c,v 1.4 1995/02/25 06:21:03 cgd Exp $";
-#endif
-#endif /* LIBC_SCCS and not lint */
+#include <ctype.h>
+#include <string.h>
 
-#include <sys/param.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <netdb.h>
-#include <resolv.h>
-
-void
-sethostent(stayopen)
+/*
+ * Find the first occurrence of find in s, ignore case.
+ */
+char *
+strcasestr(const char *s, const char *find)
 {
-        if (stayopen)
-                _res.options |= RES_STAYOPEN | RES_USEVC;
-}
+        char c, sc;
+        size_t len;
 
-void
-endhostent()
-{
-        _res.options &= ~(RES_STAYOPEN | RES_USEVC);
-        _res_close();
+        if ((c = *find++) != 0) {
+                c = (char)tolower((unsigned char)c);
+                len = strlen(find);
+                do {
+                        do {
+                                if ((sc = *s++) == 0)
+                                        return (NULL);
+                        } while ((char)tolower((unsigned char)sc) != c);
+                } while (strncasecmp(s, find, len) != 0);
+                s--;
+        }
+        return ((char *)s);
 }