Replaced system SQLite with SQLCipher to support encrypted database

Sources/DataLiteC/libtomcrypt/math/multi.c

@@ -0,0 +1,64 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+#include "tomcrypt_private.h"
+
+#ifdef LTC_MPI
+int ltc_mp_init_multi(void **a, ...)
+{
+   void    **cur = a;
+   int       np  = 0;
+   va_list   args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+       if (ltc_mp_init(cur) != CRYPT_OK) {
+          /* failed */
+          va_list clean_list;
+
+          va_start(clean_list, a);
+          cur = a;
+          while (np--) {
+              ltc_mp_clear(*cur);
+              cur = va_arg(clean_list, void**);
+          }
+          va_end(clean_list);
+          va_end(args);
+          return CRYPT_MEM;
+       }
+       ++np;
+       cur = va_arg(args, void**);
+   }
+   va_end(args);
+   return CRYPT_OK;
+}
+
+void ltc_mp_deinit_multi(void *a, ...)
+{
+   void     *cur = a;
+   va_list   args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+       ltc_mp_clear(cur);
+       cur = va_arg(args, void *);
+   }
+   va_end(args);
+}
+
+void ltc_mp_cleanup_multi(void **a, ...)
+{
+   void **cur = a;
+   va_list args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+      if (*cur != NULL) {
+         ltc_mp_clear(*cur);
+         *cur = NULL;
+      }
+      cur = va_arg(args, void**);
+   }
+   va_end(args);
+}
+
+#endif