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authorJörg Frings-Fürst <debian@jff-webhosting.net>2016-12-28 16:52:56 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2016-12-28 16:52:56 +0100
commit7b358424ebad9349421acd533c2fa1cbf6cf3e3e (patch)
tree686678532eefed525c242fd214d0cfb2914726c5 /app/wlib/gtklib/dynarr.h
Initial import of xtrkcad version 1:4.0.2-2
Diffstat (limited to 'app/wlib/gtklib/dynarr.h')
-rw-r--r--app/wlib/gtklib/dynarr.h49
1 files changed, 49 insertions, 0 deletions
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; }