base64: Fixed decode buffer size estimation

Fixed required result buffer size underestimation in base64_estimate_decode_size() function.
RIOT-OS · Jul 2, 2020 · f8ac003 · f8ac003
1 parent 325b7a8
commit f8ac003
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sys/include/base64.h b/sys/include/base64.h
@@ -41,7 +41,7 @@ extern "C" {
  */
 static inline size_t base64_estimate_decode_size(size_t base64_in_size)
 {
-    return ((base64_in_size / 4) * 3);
+    return (((base64_in_size + 3) / 4) * 3);
 }
 
 /**