updated format

src/file.c

@@ -1,4 +1,5 @@
 #include "file.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -13,7 +14,7 @@ char *read_file(const char *path) {
   long file_size = ftell(fp);
   rewind(fp);
 
-  char *buffer = (char *) malloc(file_size + 1);
+  char *buffer = (char *)malloc(file_size + 1);
   if (!buffer) {
     perror("Error allocating memory");
     fclose(fp);