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file_ops.h
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1/*-------------------------------------------------------------------------
2 *
3 * file_ops.h
4 * Helper functions for operating on files
5 *
6 * Copyright (c) 2013-2025, PostgreSQL Global Development Group
7 *
8 *-------------------------------------------------------------------------
9 */
10#ifndef FILE_OPS_H
11#define FILE_OPS_H
12
13#include "filemap.h"
14
15extern void open_target_file(const char *path, bool trunc);
16extern void write_target_range(char *buf, off_t begin, size_t size);
17extern void close_target_file(void);
18extern void remove_target_file(const char *path, bool missing_ok);
19extern void truncate_target_file(const char *path, off_t newsize);
20extern void create_target(file_entry_t *entry);
21extern void remove_target(file_entry_t *entry);
22extern void sync_target_dir(void);
23
24extern char *slurpFile(const char *datadir, const char *path, size_t *filesize);
25
26typedef void (*process_file_callback_t) (const char *path, file_type_t type, size_t size, const char *link_target);
27extern void traverse_datadir(const char *datadir, process_file_callback_t callback);
28
29#endif /* FILE_OPS_H */
remove_target_file
void remove_target_file(const char *path, bool missing_ok)
Definition: file_ops.c:187
traverse_datadir
void traverse_datadir(const char *datadir, process_file_callback_t callback)
Definition: file_ops.c:362
slurpFile
char * slurpFile(const char *datadir, const char *path, size_t *filesize)
Definition: file_ops.c:314
close_target_file
void close_target_file(void)
Definition: file_ops.c:75
process_file_callback_t
void(* process_file_callback_t)(const char *path, file_type_t type, size_t size, const char *link_target)
Definition: file_ops.h:26
truncate_target_file
void truncate_target_file(const char *path, off_t newsize)
Definition: file_ops.c:206
remove_target
void remove_target(file_entry_t *entry)
Definition: file_ops.c:130
sync_target_dir
void sync_target_dir(void)
Definition: file_ops.c:294
create_target
void create_target(file_entry_t *entry)
Definition: file_ops.c:156
open_target_file
void open_target_file(const char *path, bool trunc)
Definition: file_ops.c:47
write_target_range
void write_target_range(char *buf, off_t begin, size_t size)
Definition: file_ops.c:88
file_type_t
file_type_t
Definition: filemap.h:31
datadir
char * datadir
buf
static char * buf
Definition: pg_test_fsync.c:72
file_entry_t
Definition: filemap.h:50
callback
static void callback(struct sockaddr *addr, struct sockaddr *mask, void *unused)
Definition: test_ifaddrs.c:46
type
const char * type
Definition: wait_event_funcs.c:27