util-vserver-0.30.208

[util-vserver.git] / ensc_vector / list-insertinternal.c

diff --git a/ensc_vector/list-insertinternal.c b/ensc_vector/list-insertinternal.c
new file mode 100644 (file)
index 0000000..f3ae833
--- /dev/null
+++ b/ensc_vector/list-insertinternal.c
@@ -0,0 +1,57 @@
+// $Id: list-insertinternal.c,v 1.1 2005/03/17 14:47:21 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2005 Enrico Scholz <enrico.scholz@sigma-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 "list.h"
+#include "list-internal.h"
+
+#include <assert.h>
+#include <string.h>
+
+#define ENSC_WRAPPERS_STDLIB 1
+#include <wrappers.h>
+
+struct ListItem *
+List_insertInternal(struct List *list, void const *data,
+                   struct ListItem **before_pos,
+                   struct ListItem *after_pos)
+{
+  struct ListItem      *item = Emalloc(sizeof(struct ListItem));
+
+  assert((before_pos!=0 || after_pos!=0) &&
+        (before_pos==0 || after_pos==0));
+  
+  item->data = Emalloc(list->elem_size);
+  memcpy(item->data, data, list->elem_size);
+
+  if (before_pos!=0) {
+    item->next  = *before_pos;
+    *before_pos = item;
+  }
+  else {
+    item->next      = after_pos->next;
+    after_pos->next = item;
+  }
+
+  ++list->count;
+
+  return item;
+}