1 files changed, 39 insertions, 0 deletions
diff --git a/librecrypt_wipe_str.c b/librecrypt_wipe_str.c
new file mode 100644
index 0000000..8c31cdc
--- /dev/null
+++ b/librecrypt_wipe_str.c
@@ -0,0 +1,39 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+extern inline void librecrypt_wipe_str(char *string);
+
+
+#else
+
+
+#define CHECK(TEXT)\
+	do {\
+		memset(buf, 0, sizeof(buf));\
+		stpcpy(buf, (TEXT));\
+		assert(!strcmp(buf, (TEXT)));\
+		librecrypt_wipe_str(buf);\
+		for (i = 0u; i < sizeof(buf); i++)\
+			EXPECT(!buf[i]);\
+	} while (0)
+
+
+int
+main(void)
+{
+	char buf[64u];
+	size_t i;
+	SET_UP_ALARM();
+	librecrypt_wipe_str(NULL);
+	CHECK("");
+	CHECK("hello");
+	CHECK("hello developer");
+	CHECK("  hello developer  ");
+	CHECK("\1  hello developer  \1");
+	return 0;
+}
+
+
+#endif