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-rw-r--r--external/clucene/patches/nullstring.patch11
1 files changed, 11 insertions, 0 deletions
diff --git a/external/clucene/patches/nullstring.patch b/external/clucene/patches/nullstring.patch
new file mode 100644
index 0000000000..6043e9f008
--- /dev/null
+++ b/external/clucene/patches/nullstring.patch
@@ -0,0 +1,11 @@
+--- src/core/CLucene/index/SegmentInfos.cpp
++++ src/core/CLucene/index/SegmentInfos.cpp
+@@ -358,7 +358,7 @@
+ if (delGen == NO) {
+ // In this case we know there is no deletion filename
+ // against this segment
+- return NULL;
++ return {};
+ } else {
+ // If delGen is CHECK_DIR, it's the pre-lockless-commit file format
+ return IndexFileNames::fileNameFromGeneration(name.c_str(), (string(".") + IndexFileNames::DELETES_EXTENSION).c_str(), delGen);