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-rw-r--r--LICENSES/CC-PDDC.txt27
-rwxr-xr-xutil/lint/lint-000-license-headers6
2 files changed, 33 insertions, 0 deletions
diff --git a/LICENSES/CC-PDDC.txt b/LICENSES/CC-PDDC.txt
new file mode 100644
index 0000000000..f32f070f06
--- /dev/null
+++ b/LICENSES/CC-PDDC.txt
@@ -0,0 +1,27 @@
+
+The person or persons who have associated work with this document (the
+"Dedicator" or "Certifier") hereby either (a) certifies that, to the best of
+his knowledge, the work of authorship identified is in the public domain of
+the country from which the work is published, or (b) hereby dedicates whatever
+copyright the dedicators holds in the work of authorship identified below (the
+"Work") to the public domain. A certifier, moreover, dedicates any copyright
+interest he may have in the associated work, and for these purposes, is
+described as a "dedicator" below.
+
+A certifier has taken reasonable steps to verify the copyright status of this
+work. Certifier recognizes that his good faith efforts may not shield him from
+liability if in fact the work certified is not in the public domain.
+
+Dedicator makes this dedication for the benefit of the public at large and to
+the detriment of the Dedicator's heirs and successors. Dedicator intends this
+dedication to be an overt act of relinquishment in perpetuity of all present
+and future rights under copyright law, whether vested or contingent, in the
+Work. Dedicator understands that such relinquishment of all rights includes the
+relinquishment of all rights to enforce (by lawsuit or otherwise) those
+copyrights in the Work.
+
+Dedicator recognizes that, once placed in the public domain, the Work may be
+freely reproduced, distributed, transmitted, used, modified, built upon, or
+otherwise exploited by anyone for any purpose, commercial or non-commercial,
+and in any way, including by methods that have not yet been invented or
+conceived.
diff --git a/util/lint/lint-000-license-headers b/util/lint/lint-000-license-headers
index ac0b82f438..e6c62b9ad5 100755
--- a/util/lint/lint-000-license-headers
+++ b/util/lint/lint-000-license-headers
@@ -116,6 +116,12 @@ check_for_license 'SPDX-License-Identifier: X11'
# differentiate between this license with or without advertising.
check_for_license 'SPDX-License-Identifier: BSD-4-Clause-UC'
+# This is the Creative Commons Public Domain Dedication and Certification
+# for files that are already in the public domain. This includes files
+# that cannot be licensed such as blank files or files with no "creative"
+# content.
+check_for_license 'SPDX-License-Identifier: CC-PDDC'
+
for file in $headerlist; do
# Verify the file exists, and has content that requires a header
# This assumes that a file that has 4 lines or fewer is not notable