X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=crypto%2Flibeddsa%2Flib%2Fburnstack.c;fp=crypto%2Flibeddsa%2Flib%2Fburnstack.c;h=acc140e21a0dbbd657a4d0a069a0580e296e1d79;hb=7bfbc0423ba40ea5156e06c8fb62bacd5ea93390;hp=0000000000000000000000000000000000000000;hpb=2ae349f5ed63b026cff763b35984dd36b330870a;p=zpackage

diff --git a/crypto/libeddsa/lib/burnstack.c b/crypto/libeddsa/lib/burnstack.c
new file mode 100644
index 0000000..acc140e
--- /dev/null
+++ b/crypto/libeddsa/lib/burnstack.c
@@ -0,0 +1,21 @@
+#include <stdint.h>
+
+#include "burn.h"
+#include "burnstack.h"
+
+
+#ifdef USE_STACKCLEAN
+
+/*
+ * burnstack - cleanup our stack
+ */
+void
+burnstack(int len)
+{
+	uint8_t stack[1024];
+	burn(stack, 1024);
+	if (len > 0)
+		burnstack(len-1024);
+}
+
+#endif