ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/lib/kunit/string-stream.h b/marvell/linux/lib/kunit/string-stream.h
new file mode 100644
index 0000000..fe98a00
--- /dev/null
+++ b/marvell/linux/lib/kunit/string-stream.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * C++ stream style string builder used in KUnit for building messages.
+ *
+ * Copyright (C) 2019, Google LLC.
+ * Author: Brendan Higgins <brendanhiggins@google.com>
+ */
+
+#ifndef _KUNIT_STRING_STREAM_H
+#define _KUNIT_STRING_STREAM_H
+
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <stdarg.h>
+
+struct string_stream_fragment {
+ struct kunit *test;
+ struct list_head node;
+ char *fragment;
+};
+
+struct string_stream {
+ size_t length;
+ struct list_head fragments;
+ /* length and fragments are protected by this lock */
+ spinlock_t lock;
+ struct kunit *test;
+ gfp_t gfp;
+};
+
+struct kunit;
+
+struct string_stream *alloc_string_stream(struct kunit *test, gfp_t gfp);
+
+int __printf(2, 3) string_stream_add(struct string_stream *stream,
+ const char *fmt, ...);
+
+int string_stream_vadd(struct string_stream *stream,
+ const char *fmt,
+ va_list args);
+
+char *string_stream_get_string(struct string_stream *stream);
+
+int string_stream_append(struct string_stream *stream,
+ struct string_stream *other);
+
+bool string_stream_is_empty(struct string_stream *stream);
+
+int string_stream_destroy(struct string_stream *stream);
+
+#endif /* _KUNIT_STRING_STREAM_H */