1 files changed, 88 insertions, 0 deletions
diff --git a/src/data/cons.c b/src/data/cons.c
new file mode 100644
index 0000000..7331167
--- /dev/null
+++ b/src/data/cons.c
@@ -0,0 +1,88 @@
+/*:*
+ *: File: ./src/data/cons.c
+ *: A simple Fype interpreter
+ *:
+ *: WWW: http://fype.buetow.org
+ *: AUTHOR: http://paul.buetow.org
+ *: E-Mail: fype at dev.buetow.org
+ *:
+ *: The Fype Language; (c) 2005 - 2010 - Dipl.-Inform. (FH) Paul C. Buetow
+ *:
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of buetow.org nor the names of its contributors may
+ *:    be used to endorse or promote products derived from this software
+ *:    without specific prior written permission.
+ *:
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT,
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#include "cons.h"
+
+Cons*
+cons_new(void *p_val) {
+   Cons *p_cons = malloc(sizeof(Cons));
+
+   p_cons->p_val = p_val;
+   p_cons->p_succ = NULL;
+
+   return (p_cons);
+}
+
+void
+cons_delete(Cons *p_cons) {
+   free(p_cons);
+}
+
+void
+cons_delete_cb(void *p_cons) {
+   cons_delete(p_cons);
+}
+
+void
+cons_iterate(Cons *p_cons, void (*func)(void *)) {
+   if (p_cons != NULL && p_cons->p_val != NULL) {
+      (*func) (p_cons->p_val);
+      cons_iterate(p_cons->p_succ, func);
+   }
+}
+
+void*
+cons_car(Cons *p_cons) {
+   return (p_cons->p_val);
+}
+
+Cons*
+cons_cdr(Cons *p_cons) {
+   return (p_cons->p_succ);
+}
+
+Cons*
+cons_cons(Cons *p_cons, void *p_val) {
+   if (p_cons->p_val == NULL) {
+      p_cons->p_val = p_val;
+      return (p_cons);
+
+   } else if (p_val == NULL) {
+      return (p_cons);
+   }
+
+   Cons *p_new = cons_new(p_val);
+   p_new->p_succ = p_cons;
+   return (p_new);
+}