Add new code

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 39 insertions, 0 deletions

diff --git a/Algorithms/frames.c b/Algorithms/frames.c
new file mode 100644
index 0000000..99cdf20
--- /dev/null
+++ b/Algorithms/frames.c
@@ -0,0 +1,39 @@
+#include <stdlib.h>
+
+#include "frames.h"
+#include "lists.h"
+
+int alloc_frame(List *frames)
+{
+
+	int frame_number, *data;
+
+	if (list_size(frames) == 0) {/* No frames available */
+		return -1;
+
+	} else {
+		if (list_rem_next(frames, NULL, (void **)&data) != 0) {
+			return -1;
+		} else {
+			frame_number = *data;
+			free(data);
+		}
+	}
+
+	return frame_number;
+}
+
+int free_frame(List *frames, int frame_number)
+{
+	int *data;
+
+	if ((data = (int *)malloc(sizeof(int))) == NULL)
+		return -1;
+
+	*data = frame_number;
+
+	if (list_ins_next(frames, NULL, data) != 0)
+		return -1;
+
+	return 0;
+}