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-rw-r--r--third_party/heimdal/lib/hcrypto/libtommath/bn_mp_clear.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_clear.c b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_clear.c
new file mode 100644
index 0000000..ff78324
--- /dev/null
+++ b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_clear.c
@@ -0,0 +1,20 @@
+#include "tommath_private.h"
+#ifdef BN_MP_CLEAR_C
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
+/* clear one (frees) */
+void mp_clear(mp_int *a)
+{
+ /* only do anything if a hasn't been freed previously */
+ if (a->dp != NULL) {
+ /* free ram */
+ MP_FREE_DIGITS(a->dp, a->alloc);
+
+ /* reset members to make debugging easier */
+ a->dp = NULL;
+ a->alloc = a->used = 0;
+ a->sign = MP_ZPOS;
+ }
+}
+#endif