From 7b358424ebad9349421acd533c2fa1cbf6cf3e3e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Wed, 28 Dec 2016 16:52:56 +0100
Subject: Initial import of xtrkcad version 1:4.0.2-2

---
 app/wlib/gtklib/dynarr.h | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 app/wlib/gtklib/dynarr.h

(limited to 'app/wlib/gtklib/dynarr.h')

diff --git a/app/wlib/gtklib/dynarr.h b/app/wlib/gtklib/dynarr.h
new file mode 100644
index 0000000..13c0ede
--- /dev/null
+++ b/app/wlib/gtklib/dynarr.h
@@ -0,0 +1,49 @@
+
+/*  XTrkCad - Model Railroad CAD
+ *  Copyright (C) 2005 Dave Bullis
+ *
+ *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+typedef struct {
+		int cnt;
+		int max;
+		void * ptr;
+		} dynArr_t;
+
+#define DYNARR_APPEND(T,DA,INCR) \
+		{ if ((DA).cnt >= (DA).max) { \
+			(DA).max += INCR; \
+			(DA).ptr = realloc( (DA).ptr, (DA).max * sizeof *(T*)NULL ); \
+			if ( (DA).ptr == NULL ) \
+				abort(); \
+		} \
+		(DA).cnt++; }
+#define DYNARR_ADD(T,DA,INCR) DYNARR_APPEND(T,DA,INCR)
+
+#define DYNARR_LAST(T,DA) \
+		(((T*)(DA).ptr)[(DA).cnt-1])
+#define DYNARR_N(T,DA,N) \
+		(((T*)(DA).ptr)[N])
+#define DYNARR_RESET(T,DA) \
+		(DA).cnt=0
+#define DYNARR_SET(T,DA,N) \
+		{ if ((DA).max < N) { \
+			(DA).max = N; \
+			(DA).ptr = realloc( (DA).ptr, (DA).max * sizeof *(T*)NULL ); \
+			if ( (DA).ptr == NULL ) \
+				abort(); \
+		} \
+		(DA).cnt = 0; }
-- 
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