1 files changed, 4 insertions, 4 deletions
diff --git a/libtommath/bn_mp_fwrite.c b/libtommath/bn_mp_fwrite.c
index 9f0c3df..85a942f 100644
--- a/libtommath/bn_mp_fwrite.c
+++ b/libtommath/bn_mp_fwrite.c
@@ -22,24 +22,24 @@ int mp_fwrite(const mp_int *a, int radix, FILE *stream)
       return err;
    }
 
-   buf = OPT_CAST(char) XMALLOC((size_t)len);
+   buf = (char *) XMALLOC((size_t)len);
    if (buf == NULL) {
       return MP_MEM;
    }
 
    if ((err = mp_toradix(a, buf, radix)) != MP_OKAY) {
-      XFREE(buf);
+      XFREE(buf, len);
       return err;
    }
 
    for (x = 0; x < len; x++) {
       if (fputc((int)buf[x], stream) == EOF) {
-         XFREE(buf);
+         XFREE(buf, len);
          return MP_VAL;
       }
    }
 
-   XFREE(buf);
+   XFREE(buf, len);
    return MP_OKAY;
 }
 #endif