|  | /* | 
|  | Copyright 2020 Google LLC | 
|  |  | 
|  | Use of this source code is governed by a BSD-style | 
|  | license that can be found in the LICENSE file or at | 
|  | https://developers.google.com/open-source/licenses/bsd | 
|  | */ | 
|  |  | 
|  | #ifndef STACK_H | 
|  | #define STACK_H | 
|  |  | 
|  | #include "system.h" | 
|  | #include "reftable-writer.h" | 
|  | #include "reftable-stack.h" | 
|  |  | 
|  | struct reftable_stack { | 
|  | char *list_file; | 
|  | char *reftable_dir; | 
|  | int disable_auto_compact; | 
|  |  | 
|  | struct reftable_write_options config; | 
|  |  | 
|  | struct reftable_reader **readers; | 
|  | size_t readers_len; | 
|  | struct reftable_merged_table *merged; | 
|  | struct reftable_compaction_stats stats; | 
|  | }; | 
|  |  | 
|  | int read_lines(const char *filename, char ***lines); | 
|  |  | 
|  | struct segment { | 
|  | int start, end; | 
|  | int log; | 
|  | uint64_t bytes; | 
|  | }; | 
|  |  | 
|  | int fastlog2(uint64_t sz); | 
|  | struct segment *sizes_to_segments(int *seglen, uint64_t *sizes, int n); | 
|  | struct segment suggest_compaction_segment(uint64_t *sizes, int n); | 
|  |  | 
|  | #endif |