Index: route_style.c
===================================================================
--- route_style.c	(nonexistent)
+++ route_style.c	(revision 2033)
@@ -0,0 +1,145 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  PCB, interactive printed circuit board design
+ *  Copyright (C) 1994,1995,1996,2004,2006 Thomas Nau
+ *  Copyright (C) 2016 Tibor 'Igor2' Palinkas
+ *
+ *  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
+ *
+ */
+#include "config.h"
+#include "global.h"
+#include "pcb-printf.h"
+#include "genvector/gds_char.h"
+#include "route_style.h"
+#include "misc.h"
+#include "error.h"
+
+/*! \brief Serializes the route style list 
+ *  \par Function Description
+ *  Right now n_styles should always be set to NUM_STYLES,
+ *  since that is the number of route styles ParseRouteString()
+ *  expects to parse.
+ */
+char *make_route_string(vtroutestyle_t *styles)
+{
+	gds_t str;
+	int i;
+
+	gds_init(&str);
+	for (i = 0; i < vtroutestyle_len(styles); ++i) {
+		pcb_append_printf(&str, "%s,%mc,%mc,%mc,%mc", styles->array[i].name,
+																				 styles->array[i].Thick, styles->array[i].Diameter,
+																				 styles->array[i].Hole, styles->array[i].Clearance);
+		if (i > 0)
+			gds_append(&str, ':');
+	}
+	return str.array; /* this is the only allocation made, return this and don't uninit */
+}
+
+/* ----------------------------------------------------------------------
+ * parses the routes definition string which is a colon separated list of
+ * comma separated Name, Dimension, Dimension, Dimension, Dimension
+ * e.g. Signal,20,40,20,10:Power,40,60,28,10:...
+ */
+int ParseRoutingString1(char **str, RouteStyleTypePtr routeStyle, const char *default_unit)
+{
+	char *s = *str;
+	char Name[256];
+	int i, len;
+
+	while (*s && isspace((int) *s))
+		s++;
+	for (i = 0; *s && *s != ','; i++)
+		Name[i] = *s++;
+	Name[i] = '\0';
+	len = strlen(Name);
+	if (len > sizeof(routeStyle->name)-1) {
+		memcpy(routeStyle->name, Name, sizeof(routeStyle->name)-1);
+		routeStyle->name[sizeof(routeStyle->name)-1] = '\0';
+		Message("Route style name '%s' too long, truncated to '%s'\n", Name, routeStyle->name);
+	}
+	else
+		strcpy(routeStyle->name, Name);
+	if (!isdigit((int) *++s))
+		goto error;
+	routeStyle->Thick = GetNum(&s, default_unit);
+	while (*s && isspace((int) *s))
+		s++;
+	if (*s++ != ',')
+		goto error;
+	while (*s && isspace((int) *s))
+		s++;
+	if (!isdigit((int) *s))
+		goto error;
+	routeStyle->Diameter = GetNum(&s, default_unit);
+	while (*s && isspace((int) *s))
+		s++;
+	if (*s++ != ',')
+		goto error;
+	while (*s && isspace((int) *s))
+		s++;
+	if (!isdigit((int) *s))
+		goto error;
+	routeStyle->Hole = GetNum(&s, default_unit);
+	/* for backwards-compatibility, we use a 10-mil default
+	 * for styles which omit the clearance specification. */
+	if (*s != ',')
+		routeStyle->Clearance = MIL_TO_COORD(10);
+	else {
+		s++;
+		while (*s && isspace((int) *s))
+			s++;
+		if (!isdigit((int) *s))
+			goto error;
+		routeStyle->Clearance = GetNum(&s, default_unit);
+		while (*s && isspace((int) *s))
+			s++;
+	}
+
+	*str = s;
+	return 0;
+	error:;
+		*str = s;
+		return -1;
+}
+
+int ParseRouteString(char *s, vtroutestyle_t *styles, const char *default_unit)
+{
+	int n;
+
+	vtroutestyle_truncate(styles, 0);
+	for(n = 0;;n++) {
+		vtroutestyle_enlarge(styles, n+1);
+		if (ParseRoutingString1(&s, &styles->array[n], default_unit) != 0) {
+			vtroutestyle_truncate(styles, n);
+			break;
+		}
+		while (*s && isspace((int) *s))
+			s++;
+		if (*s == '\0')
+			break;
+		if (*s++ != ':') {
+			vtroutestyle_truncate(styles, 0);
+			return -1;
+		}
+	}
+	return 0;
+}