port from perforce

nordlicht2014-intro/3rdparty/modified-rocket/data.c

@@ -0,0 +1,33 @@
+/* Copyright (C) 2007-2008 Erik Faye-Lund and Egbert Teeselink
+ * For conditions of distribution and use, see copyright notice in COPYING
+ */
+
+#include "data.h"
+
+void sync_data_deinit(struct sync_data *d)
+{
+	int i;
+	for (i = 0; i < (int)d->num_tracks; ++i) {
+		free(d->tracks[i]->name);
+		free(d->tracks[i]->keys);
+		free(d->tracks[i]);
+	}
+	free(d->tracks);
+}
+
+int sync_create_track(struct sync_data *d, const char *name)
+{
+	struct sync_track *t;
+	assert(sync_find_track(d, name) < 0);
+
+	t = malloc(sizeof(*t));
+	t->name = strdup(name);
+	t->keys = NULL;
+	t->num_keys = 0;
+
+	d->num_tracks++;
+	d->tracks = realloc(d->tracks, sizeof(d->tracks[0]) * d->num_tracks);
+	d->tracks[d->num_tracks - 1] = t;
+
+	return (int)d->num_tracks - 1;
+}