--- a/libtommath/bn_mp_grow.c	Wed May 15 21:59:45 2019 +0800
+++ b/libtommath/bn_mp_grow.c	Mon Sep 16 15:50:38 2019 +0200
@@ -1,4 +1,4 @@
-#include <tommath_private.h>
+#include "tommath_private.h"
 #ifdef BN_MP_GROW_C
 /* LibTomMath, multiple-precision integer library -- Tom St Denis
  *
@@ -9,49 +9,46 @@
  * Michael Fromberger but has been written from scratch with
  * additional optimizations in place.
  *
- * The library is free for all purposes without any express
- * guarantee it works.
- *
- * Tom St Denis, [email protected], http://libtom.org
+ * SPDX-License-Identifier: Unlicense
  */
 
 /* grow as required */
-int mp_grow (mp_int * a, int size)
+int mp_grow(mp_int *a, int size)
 {
-  int     i;
-  mp_digit *tmp;
+   int     i;
+   mp_digit *tmp;
 
-  /* if the alloc size is smaller alloc more ram */
-  if (a->alloc < size) {
-    /* ensure there are always at least MP_PREC digits extra on top */
-    size += (MP_PREC * 2) - (size % MP_PREC);
+   /* if the alloc size is smaller alloc more ram */
+   if (a->alloc < size) {
+      /* ensure there are always at least MP_PREC digits extra on top */
+      size += (MP_PREC * 2) - (size % MP_PREC);
 
-    /* reallocate the array a->dp
-     *
-     * We store the return in a temporary variable
-     * in case the operation failed we don't want
-     * to overwrite the dp member of a.
-     */
-    tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * size);
-    if (tmp == NULL) {
-      /* reallocation failed but "a" is still valid [can be freed] */
-      return MP_MEM;
-    }
+      /* reallocate the array a->dp
+       *
+       * We store the return in a temporary variable
+       * in case the operation failed we don't want
+       * to overwrite the dp member of a.
+       */
+      tmp = OPT_CAST(mp_digit) XREALLOC(a->dp, sizeof(mp_digit) * (size_t)size);
+      if (tmp == NULL) {
+         /* reallocation failed but "a" is still valid [can be freed] */
+         return MP_MEM;
+      }
 
-    /* reallocation succeeded so set a->dp */
-    a->dp = tmp;
+      /* reallocation succeeded so set a->dp */
+      a->dp = tmp;
 
-    /* zero excess digits */
-    i        = a->alloc;
-    a->alloc = size;
-    for (; i < a->alloc; i++) {
-      a->dp[i] = 0;
-    }
-  }
-  return MP_OKAY;
+      /* zero excess digits */
+      i        = a->alloc;
+      a->alloc = size;
+      for (; i < a->alloc; i++) {
+         a->dp[i] = 0;
+      }
+   }
+   return MP_OKAY;
 }
 #endif
 
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */
+/* ref:         HEAD -> master, tag: v1.1.0 */
+/* git commit:  08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
+/* commit time: 2019-01-28 20:32:32 +0100 */