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-rw-r--r--third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_copy.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_copy.c b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_copy.c
new file mode 100644
index 0000000..1888203
--- /dev/null
+++ b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_copy.c
@@ -0,0 +1,21 @@
+#include "tommath_private.h"
+#ifdef BN_MP_INIT_COPY_C
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
+/* creates "a" then copies b into it */
+mp_err mp_init_copy(mp_int *a, const mp_int *b)
+{
+ mp_err err;
+
+ if ((err = mp_init_size(a, b->used)) != MP_OKAY) {
+ return err;
+ }
+
+ if ((err = mp_copy(b, a)) != MP_OKAY) {
+ mp_clear(a);
+ }
+
+ return err;
+}
+#endif