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--- ceph-16.2.7/src/include/buffer.h.orig	2022-01-17 12:17:19.193356237 -0500
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+++ ceph-16.2.7/src/include/buffer.h	2022-01-17 12:17:58.599639592 -0500
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@@ -38,6 +38,7 @@
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 # include <sys/mman.h>
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 #endif
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+#include <memory>
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 #include <iosfwd>
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 #include <iomanip>
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 #include <list>
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--- ceph-16.2.7/src/common/LogEntry.cc.orig	2022-01-17 13:52:10.799134159 -0500
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+++ ceph-16.2.7/src/common/LogEntry.cc	2022-01-17 13:52:47.244469274 -0500
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@@ -183,7 +183,7 @@
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       return "crit";
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     default:
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       ceph_abort();
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-      return 0;
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+      return "";
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   }
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 }
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--- ceph-16.2.7/src/test/librados/tier_cxx.cc.orig	2022-01-19 09:30:47.209459506 -0500
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+++ ceph-16.2.7/src/test/librados/tier_cxx.cc	2022-01-19 10:02:47.783240298 -0500
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@@ -114,7 +114,7 @@
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 #include "rgw/rgw_common.h"
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 void check_fp_oid_refcount(librados::IoCtx& ioctx, std::string foid, uint64_t count,
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-			   std::string fp_algo = NULL)
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+			   std::string fp_algo = "")
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 {
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   bufferlist t;
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   int size = foid.length();
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@@ -142,7 +142,7 @@
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   ASSERT_LE(count, refs.count());
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 }
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-string get_fp_oid(string oid, std::string fp_algo = NULL)
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+string get_fp_oid(string oid, std::string fp_algo = "")
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 {
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   if (fp_algo == "sha1") {
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     unsigned char fingerprint[CEPH_CRYPTO_SHA1_DIGESTSIZE + 1];
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--- ceph-16.2.7/src/test/test_trans.cc.orig	2022-01-19 13:24:33.460008897 -0500
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+++ ceph-16.2.7/src/test/test_trans.cc	2022-01-19 13:24:58.211554005 -0500
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@@ -51,7 +51,7 @@
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   cout << "#dev " << filename << std::endl;
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   cout << "#mb " << mb << std::endl;
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-  ObjectStore *fs = new FileStore(cct.get(), filename, NULL);
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+  ObjectStore *fs = new FileStore(cct.get(), filename, "");
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   if (fs->mount() < 0) {
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     cout << "mount failed" << std::endl;
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     return -1;
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--- ceph-17.0.0-10335-gfd206722/src/s3select/include/s3select_functions.h.orig	2022-02-11 17:21:40.268627997 -0500
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+++ ceph-17.0.0-10335-gfd206722/src/s3select/include/s3select_functions.h	2022-02-11 17:21:57.155325437 -0500
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@@ -466,7 +466,7 @@
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   std::string  print(int ident) override
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   {
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-    return std::string(0);
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+    return std::string("");
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   }
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   void push_argument(base_statement* arg)