src/bin/pg_rewind/file_ops.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * file_ops.h
   4  *        Helper functions for operating on files
   5  *
   6  * Copyright (c) 2013-2022, PostgreSQL Global Development Group
   7  *
   8  *-------------------------------------------------------------------------
   9  */
  10 #ifndef FILE_OPS_H
  11 #define FILE_OPS_H
  12
  13 #include "filemap.h"
  14
  15 extern void open_target_file(const char *path, bool trunc);
  16 extern void write_target_range(char *buf, off_t begin, size_t size);
  17 extern void close_target_file(void);
  18 extern void remove_target_file(const char *path, bool missing_ok);
  19 extern void truncate_target_file(const char *path, off_t newsize);
  20 extern void create_target(file_entry_t *t);
  21 extern void remove_target(file_entry_t *t);
  22 extern void sync_target_dir(void);
  23
  24 extern char *slurpFile(const char *datadir, const char *path, size_t *filesize);
  25
  26 typedef void (*process_file_callback_t) (const char *path, file_type_t type, size_t size, const char *link_target);
  27 extern void traverse_datadir(const char *datadir, process_file_callback_t callback);
  28
  29 #endif                                                  /* FILE_OPS_H */