Update LibTomMath to 1.2.0 (#84)

* update C files

* update other files

* update headers

* update makefiles

* remove mp_set/get_double()

* use ltm 1.2.0 API

* update ltm_desc

* use bundled tommath if system-tommath is too old

* XMALLOC etc. were changed to MP_MALLOC etc.

1 files changed, 12 insertions, 24 deletions

diff --git a/libtommath/bn_mp_addmod.c b/libtommath/bn_mp_addmod.c
index d2635bf..1dcfb67 100644
--- a/libtommath/bn_mp_addmod.c
+++ b/libtommath/bn_mp_addmod.c
@@ -1,37 +1,25 @@
 #include "tommath_private.h"
 #ifdef BN_MP_ADDMOD_C
-/* LibTomMath, multiple-precision integer library -- Tom St Denis
- *
- * LibTomMath is a library that provides multiple-precision
- * integer arithmetic as well as number theoretic functionality.
- *
- * The library was designed directly after the MPI library by
- * Michael Fromberger but has been written from scratch with
- * additional optimizations in place.
- *
- * SPDX-License-Identifier: Unlicense
- */
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
 
 /* d = a + b (mod c) */
-int mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d)
+mp_err mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d)
 {
-   int     res;
+   mp_err  err;
    mp_int  t;
 
-   if ((res = mp_init(&t)) != MP_OKAY) {
-      return res;
+   if ((err = mp_init(&t)) != MP_OKAY) {
+      return err;
    }
 
-   if ((res = mp_add(a, b, &t)) != MP_OKAY) {
-      mp_clear(&t);
-      return res;
+   if ((err = mp_add(a, b, &t)) != MP_OKAY) {
+      goto LBL_ERR;
    }
-   res = mp_mod(&t, c, d);
+   err = mp_mod(&t, c, d);
+
+LBL_ERR:
    mp_clear(&t);
-   return res;
+   return err;
 }
 #endif
-
-/* ref:         HEAD -> master, tag: v1.1.0 */
-/* git commit:  08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
-/* commit time: 2019-01-28 20:32:32 +0100 */