import.c: when importing ANSI or UTF-8 files, treat ^L as a canvas

frame separator. Not extremely robust yet.

caca/codec/import.c

@@ -21,6 +21,7 @@
 #if !defined __KERNEL__
 #   include <stdlib.h>
 #   include <string.h>
+#   include <stdio.h>
 #endif
 
 #include "caca.h"
@@ -677,6 +678,16 @@ static ssize_t import_ansi(caca_canvas_t *cv, void const *data,
             free(string);
         }
 
+        /* Form feed means a new frame */
+        else if(buffer[i] == '\f' && buffer[i + 1] == '\n')
+        {
+            int f = caca_get_frame_count(cv);
+            caca_create_frame(cv, f);
+            caca_set_frame(cv, f);
+            x = y = 0;
+            skip++;
+        }
+
         /* Get the character we’re going to paste */
         else if(utf8)
         {