From 26c490f404731d053a6205719b6246502c07b449 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Sat, 14 Jun 2014 16:46:27 +0200
Subject: init

---
 ccc/ooc.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 ccc/ooc.c

(limited to 'ccc/ooc.c')

diff --git a/ccc/ooc.c b/ccc/ooc.c
new file mode 100644
index 0000000..aa20488
--- /dev/null
+++ b/ccc/ooc.c
@@ -0,0 +1,78 @@
+#include "ooc.h"
+#include "stdio.h"
+#include "string.h"
+
+
+struct van {
+       struct vehicle base;
+          int cubic_size;
+};
+
+struct bus {
+    struct vehicle base;
+       int seats;
+};
+
+struct van*
+make_van()
+{
+  struct van* v = malloc(sizeof(struct van));
+  v->base.type = "van";
+  v->cubic_size = 12;
+  return v;
+}
+
+struct bus*
+make_bus()
+{
+  struct bus* v = malloc(sizeof(struct bus));
+  v->base.type = "bus";
+  v->seats=112;
+  return v;
+}
+
+struct vehicle*
+make_vehicle(const char* type)
+{
+  if(!strcmp(type, "van")) return make_van();
+  if(!strcmp(type, "bus")) return make_bus();
+  return NULL;
+}
+
+void
+do_something_with_a_bus(struct vehicle* v)
+{
+  ((struct bus*)v)->seats = 13;
+}
+
+void
+do_something_with_a_van(struct vehicle* v)
+{
+  ((struct van*)v)->cubic_size = 11;
+}
+
+void
+do_something(struct vehicle* v)
+{
+  if(!strcmp(v->type, "van")) return do_something_with_a_van(v);
+  if(!strcmp(v->type, "bus")) return do_something_with_a_bus(v);
+}
+
+int
+main(void) {
+  struct van my_van;
+  struct vehicle *something = &my_van;
+  my_van.cubic_size = 100;
+  my_van.base.power = 99;
+  printf("%d\n", something->power);
+  printf("%d\n", my_van.base.power);
+
+  struct bus* bus = make_vehicle("bus");
+  printf("%s\n", bus->base.type);
+  printf("%d\n", bus->seats);
+  do_something(bus);
+  printf("%d\n", bus->seats);
+ 
+  return 0;
+}
+
-- 
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