c api set bottommost level compaction

Summary: Closes https://github.com/facebook/rocksdb/pull/3928

Differential Revision: D8224962

Pulled By: ajkr

fbshipit-source-id: 3caf463509a935bff46530f27232a85ae7e4e484

db/c.cc

@@ -93,6 +93,7 @@ using rocksdb::BackupInfo;
 using rocksdb::BackupID;
 using rocksdb::RestoreOptions;
 using rocksdb::CompactRangeOptions;
+using rocksdb::BottommostLevelCompaction;
 using rocksdb::RateLimiter;
 using rocksdb::NewGenericRateLimiter;
 using rocksdb::PinnableSlice;
@@ -3109,6 +3110,11 @@ void rocksdb_compactoptions_destroy(rocksdb_compactoptions_t* opt) {
   delete opt;
 }
 
+void rocksdb_compactoptions_set_bottommost_level_compaction(
+    rocksdb_compactoptions_t* opt, unsigned char v) {
+  opt->rep.bottommost_level_compaction = static_cast<BottommostLevelCompaction>(v);
+}
+
 void rocksdb_compactoptions_set_exclusive_manual_compaction(
     rocksdb_compactoptions_t* opt, unsigned char v) {
   opt->rep.exclusive_manual_compaction = v;

include/rocksdb/c.h

@@ -1235,6 +1235,9 @@ extern ROCKSDB_LIBRARY_API void rocksdb_compactoptions_destroy(
 extern ROCKSDB_LIBRARY_API void
 rocksdb_compactoptions_set_exclusive_manual_compaction(
     rocksdb_compactoptions_t*, unsigned char);
+extern ROCKSDB_LIBRARY_API void
+rocksdb_compactoptions_set_bottommost_level_compaction(
+    rocksdb_compactoptions_t*, unsigned char);
 extern ROCKSDB_LIBRARY_API void rocksdb_compactoptions_set_change_level(
     rocksdb_compactoptions_t*, unsigned char);
 extern ROCKSDB_LIBRARY_API void rocksdb_compactoptions_set_target_level(