Add support for custom hash functions

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 49 insertions, 0 deletions

diff --git a/librecrypt_set_user_data.c b/librecrypt_set_user_data.c
new file mode 100644
index 0000000..f2abb2f
--- /dev/null
+++ b/librecrypt_set_user_data.c
@@ -0,0 +1,49 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+void
+librecrypt_set_user_data(LIBRECRYPT_CONTEXT *ctx, void *user)
+{
+	ctx->user_data = user;
+}
+
+
+#else
+
+
+extern LIBRECRYPT_CONTEXT *volatile ctx;
+LIBRECRYPT_CONTEXT *volatile ctx;
+
+
+int
+main(void)
+{
+	char *user = &(char){0};
+
+	SET_UP_ALARM();
+	INIT_RESOURCE_TEST();
+
+	ctx = librecrypt_create_context();
+	assert(ctx != NULL);
+
+	EXPECT(librecrypt_get_user_data(ctx) == NULL);
+	EXPECT(librecrypt_get_user_data(ctx) == NULL);
+	librecrypt_set_user_data(ctx, user);
+	EXPECT(librecrypt_get_user_data(ctx) == user);
+	EXPECT(librecrypt_get_user_data(ctx) == user);
+	librecrypt_set_user_data(ctx, user);
+	librecrypt_set_user_data(ctx, NULL);
+	EXPECT(librecrypt_get_user_data(ctx) == NULL);
+	EXPECT(librecrypt_get_user_data(ctx) == NULL);
+	librecrypt_set_user_data(ctx, NULL);
+
+	librecrypt_free_context(ctx);
+
+	STOP_RESOURCE_TEST();
+	return 0;
+}
+
+
+#endif