1 files changed, 58 insertions, 0 deletions
diff --git a/misc/lsearch.c b/misc/lsearch.c
new file mode 100644
index 0000000000..f062a6882b
--- /dev/null
+++ b/misc/lsearch.c
@@ -0,0 +1,58 @@
+/* Linear search functions.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <search.h>
+#include <string.h>
+
+
+void *
+lsearch (const void *key, void *base, size_t *nmemb, size_t size,
+	 __compar_fn_t compar)
+{
+  void *result;
+
+  /* Try to find it.  */
+  result = lfind (key, base, nmemb, size, compar);
+  if (result == NULL)
+    {
+      /* Not available.  Insert at the end.  */
+      memcpy (base + (*nmemb) * size, key, size);
+      ++(*nmemb);
+    }
+
+  return result;
+}
+
+
+void *
+lfind (const void *key, const void *base, size_t *nmemb, size_t size,
+       __compar_fn_t compar)
+{
+  const void *result = base;
+  size_t cnt = 0;
+
+  while (cnt < *nmemb && (*compar) (key, result) != 0)
+    {
+      result += size;
+      ++cnt;
+    }
+
+  return cnt < *nmemb ? (void *) result : NULL;
+}