core: Track current offset

Signed-off-by: Ian Moffett <ian@mirocom.org>

src/main.c

@@ -20,12 +20,14 @@ static const char *output_name = "out.cav";
  * @dir: Opened directory
  * @pass_count: Number of passes made in file
  * @file_count: Number of files encountered including subdirectories
+ * @cur_off: Current offset tracker
  */
 struct cav_state {
     int dir_fd;
     DIR *dir;
     uint8_t pass_count;
     size_t file_count;
+    uint32_t cur_off;
 };
 
 static void
@@ -133,7 +135,9 @@ consume_scan(const char *dir_path, struct cav_state *state, DIR *subdir)
             closedir(subdir);
             break;
         default:
+            snprintf(buf, sizeof(buf), "%s/%s", dir_path, dirent->d_name);
             ++state->file_count;
+            state->cur_off += get_file_size(buf);
             break;
         }
     }
@@ -155,7 +159,11 @@ consume_pass(struct cav_state *state)
     case 0:
         /* Scan pass */
         consume_scan(input_name, state, NULL);
-        printf("[pass 0] scanned %zu files\n", state->file_count);
+        printf(
+            "[pass 0] scanned %zu files [%d bytes]\n",
+            state->file_count,
+            state->cur_off
+        );
         break;
     }
 }