util-vserver-0.30.208

[util-vserver.git] / ensc_vector / vector-insert.c

diff --git a/ensc_vector/vector-insert.c b/ensc_vector/vector-insert.c
new file mode 100644 (file)
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+++ b/ensc_vector/vector-insert.c
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+// $Id: vector-insert.c,v 1.2 2004/02/06 16:42:56 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//  
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//  
+// This program 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 General Public License for more details.
+//  
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "vector.h"
+#include <string.h>
+
+void *
+Vector_insert(struct Vector *vec, void const *key,
+             int (*compare)(const void *, const void *))
+{
+  char *       data;
+  char *       end_ptr = Vector_pushback(vec);
+
+  for (data=vec->data; data<end_ptr; data += vec->elem_size) {
+    if (compare(key, data)<0) {
+      memmove(data+vec->elem_size, data,
+             (char *)(end_ptr) - (char *)(data));
+      return data;
+    }
+  }
+
+  return end_ptr;
+}