Index: attrib.c
===================================================================
--- attrib.c	(nonexistent)
+++ attrib.c	(revision 4486)
@@ -0,0 +1,85 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  PCB, interactive printed circuit board design
+ *  Copyright (C) 1994,1995,1996,2004,2006 Thomas Nau
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Contact addresses for paper mail and Email:
+ *  Thomas Nau, Schlehenweg 15, 88471 Baustetten, Germany
+ *  Thomas.Nau@rz.uni-ulm.de
+ *
+ */
+
+/* attribute lists */
+#include <stdlib.h>
+#include <string.h>
+#include "compat_misc.h"
+#include "attrib.h"
+
+char *AttributeGetFromList(AttributeListType * list, const char *name)
+{
+	int i;
+	for (i = 0; i < list->Number; i++)
+		if (strcmp(name, list->List[i].name) == 0)
+			return list->List[i].value;
+	return NULL;
+}
+
+int AttributePutToList(AttributeListType * list, const char *name, const char *value, int replace)
+{
+	int i;
+
+	/* If we're allowed to replace an existing attribute, see if we
+	   can.  */
+	if (replace) {
+		for (i = 0; i < list->Number; i++)
+			if (strcmp(name, list->List[i].name) == 0) {
+				free(list->List[i].value);
+				list->List[i].value = pcb_strdup_null(value);
+				return 1;
+			}
+	}
+
+	/* At this point, we're going to need to add a new attribute to the
+	   list.  See if there's room.  */
+	if (list->Number >= list->Max) {
+		list->Max += 10;
+		list->List = (AttributeType *) realloc(list->List, list->Max * sizeof(AttributeType));
+	}
+
+	/* Now add the new attribute.  */
+	i = list->Number;
+	list->List[i].name = pcb_strdup_null(name);
+	list->List[i].value = pcb_strdup_null(value);
+	list->Number++;
+	return 0;
+}
+
+int AttributeRemoveFromList(AttributeListType * list, const char *name)
+{
+	int i, j, found = 0;
+	for (i = 0; i < list->Number; i++)
+		if (strcmp(name, list->List[i].name) == 0) {
+			free(list->List[i].name);
+			free(list->List[i].value);
+			found++;
+			for (j = i; j < list->Number - i; j++)
+				list->List[j] = list->List[j + 1];
+			list->Number--;
+		}
+	return found;
+}