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file.h
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1
23#ifndef MUTT_MUTT_FILE_H
24#define MUTT_MUTT_FILE_H
25
26#include "config.h"
27#include <dirent.h>
28#include <stdbool.h>
29#include <stdint.h>
30#include <stdio.h>
31#include <sys/types.h>
32
33struct Buffer;
34struct stat;
35extern const char FilenameSafeChars[];
36
37/* Flags for mutt_file_read_line() */
38typedef uint8_t ReadLineFlags;
39#define MUTT_RL_NO_FLAGS 0
40#define MUTT_RL_CONT (1 << 0)
41#define MUTT_RL_EOL (1 << 1)
42
43#ifdef HAVE_STRUCT_TIMESPEC
44struct timespec;
45#else
50{
51 time_t tv_sec;
52 long tv_nsec;
53};
54#endif
55
62{
66};
67
72{
75};
76
81{
82 char *line;
83 size_t size;
85};
86
98typedef bool (*mutt_file_map_t)(char *line, int line_num, void *user_data);
99
100int mutt_file_check_empty(const char *path);
101int mutt_file_chmod(const char *path, mode_t mode);
102int mutt_file_chmod_add(const char *path, mode_t mode);
103int mutt_file_chmod_add_stat(const char *path, mode_t mode, struct stat *st);
104int mutt_file_chmod_rm(const char *path, mode_t mode);
105int mutt_file_chmod_rm_stat(const char *path, mode_t mode, struct stat *st);
106int mutt_file_copy_bytes(FILE *fp_in, FILE *fp_out, size_t size);
107int mutt_file_copy_stream(FILE *fp_in, FILE *fp_out);
108time_t mutt_file_decrease_mtime(const char *fp, struct stat *st);
109void mutt_file_expand_fmt(struct Buffer *dest, const char *fmt, const char *src);
110void mutt_file_expand_fmt_quote(char *dest, size_t destlen, const char *fmt, const char *src);
111int mutt_file_fclose(FILE **fp);
112FILE * mutt_file_fopen(const char *path, const char *mode);
113int mutt_file_fsync_close(FILE **fp);
114long mutt_file_get_size(const char *path);
115long mutt_file_get_size_fp(FILE* fp);
116void mutt_file_get_stat_timespec(struct timespec *dest, struct stat *st, enum MuttStatType type);
117bool mutt_file_iter_line(struct MuttFileIter *iter, FILE *fp, ReadLineFlags flags);
118int mutt_file_lock(int fd, bool excl, bool timeout);
119bool mutt_file_map_lines(mutt_file_map_t func, void *user_data, FILE *fp, ReadLineFlags flags);
120int mutt_file_mkdir(const char *path, mode_t mode);
121int mutt_file_open(const char *path, uint32_t flags);
122DIR * mutt_file_opendir(const char *path, enum MuttOpenDirMode mode);
123size_t mutt_file_quote_filename(const char *filename, char *buf, size_t buflen);
124char * mutt_file_read_keyword(const char *file, char *buf, size_t buflen);
125char * mutt_file_read_line(char *line, size_t *size, FILE *fp, int *line_num, ReadLineFlags flags);
126int mutt_file_rename(const char *oldfile, const char *newfile);
127int mutt_file_rmtree(const char *path);
128const char *mutt_file_rotate(const char *path, int num);
129int mutt_file_safe_rename(const char *src, const char *target);
130void mutt_file_sanitize_filename(char *path, bool slash);
131int mutt_file_sanitize_regex(struct Buffer *dest, const char *src);
132bool mutt_file_seek(FILE *fp, LOFF_T offset, int whence);
133void mutt_file_set_mtime(const char *from, const char *to);
134int mutt_file_stat_compare(struct stat *st1, enum MuttStatType st1_type, struct stat *st2, enum MuttStatType st2_type);
135int mutt_file_stat_timespec_compare(struct stat *st, enum MuttStatType type, struct timespec *b);
136int mutt_file_symlink(const char *oldpath, const char *newpath);
137int mutt_file_timespec_compare(struct timespec *a, struct timespec *b);
138void mutt_file_touch_atime(int fd);
139void mutt_file_unlink(const char *s);
140void mutt_file_unlink_empty(const char *path);
141int mutt_file_unlock(int fd);
142void mutt_file_resolve_symlink(struct Buffer *buf);
143
144void buf_quote_filename(struct Buffer *buf, const char *filename, bool add_outer);
145void buf_file_expand_fmt_quote(struct Buffer *dest, const char *fmt, const char *src);
146
147#endif /* MUTT_MUTT_FILE_H */
void mutt_file_get_stat_timespec(struct timespec *dest, struct stat *st, enum MuttStatType type)
Read the stat() time into a time value.
Definition: file.c:1620
int mutt_file_copy_stream(FILE *fp_in, FILE *fp_out)
Copy the contents of one file into another.
Definition: file.c:262
void buf_quote_filename(struct Buffer *buf, const char *filename, bool add_outer)
Quote a filename to survive the shell's quoting rules.
Definition: file.c:936
int mutt_file_open(const char *path, uint32_t flags)
Open a file.
Definition: file.c:551
char * mutt_file_read_line(char *line, size_t *size, FILE *fp, int *line_num, ReadLineFlags flags)
Read a line from a file.
Definition: file.c:763
FILE * mutt_file_fopen(const char *path, const char *mode)
Call fopen() safely.
Definition: file.c:636
int mutt_file_safe_rename(const char *src, const char *target)
NFS-safe renaming of files.
Definition: file.c:346
void mutt_file_unlink_empty(const char *path)
Delete a file if it's empty.
Definition: file.c:1376
const char FilenameSafeChars[]
Set of characters <=0x7F that are safe to use in filenames.
Definition: file.c:61
MuttOpenDirMode
Mode flag for mutt_file_opendir()
Definition: file.h:72
@ MUTT_OPENDIR_CREATE
Create the directory if it doesn't exist.
Definition: file.h:74
@ MUTT_OPENDIR_NONE
Plain opendir()
Definition: file.h:73
int mutt_file_stat_compare(struct stat *st1, enum MuttStatType st1_type, struct stat *st2, enum MuttStatType st2_type)
Compare two stat infos.
Definition: file.c:1682
int mutt_file_copy_bytes(FILE *fp_in, FILE *fp_out, size_t size)
Copy some content from one file to another.
Definition: file.c:232
int mutt_file_fclose(FILE **fp)
Close a FILE handle (and NULL the pointer)
Definition: file.c:152
char * mutt_file_read_keyword(const char *file, char *buf, size_t buflen)
Read a keyword from a file.
Definition: file.c:1447
void buf_file_expand_fmt_quote(struct Buffer *dest, const char *fmt, const char *src)
Replace s in a string with a filename.
Definition: file.c:1497
void mutt_file_touch_atime(int fd)
Set the access time to current time.
Definition: file.c:1094
int mutt_file_sanitize_regex(struct Buffer *dest, const char *src)
Escape any regex-magic characters in a string.
Definition: file.c:709
int mutt_file_check_empty(const char *path)
Is the mailbox empty.
Definition: file.c:1477
int mutt_file_mkdir(const char *path, mode_t mode)
Recursively create directories.
Definition: file.c:977
int mutt_file_lock(int fd, bool excl, bool timeout)
(Try to) Lock a file using fcntl()
Definition: file.c:1243
long mutt_file_get_size_fp(FILE *fp)
Get the size of a file.
Definition: file.c:1578
void mutt_file_sanitize_filename(char *path, bool slash)
Replace unsafe characters in a filename.
Definition: file.c:667
int mutt_file_timespec_compare(struct timespec *a, struct timespec *b)
Compare to time values.
Definition: file.c:1598
int mutt_file_unlock(int fd)
Unlock a file previously locked by mutt_file_lock()
Definition: file.c:1290
int mutt_file_chmod_rm(const char *path, mode_t mode)
Remove permissions from a file.
Definition: file.c:1191
time_t mutt_file_decrease_mtime(const char *fp, struct stat *st)
Decrease a file's modification time by 1 second.
Definition: file.c:1031
bool mutt_file_map_lines(mutt_file_map_t func, void *user_data, FILE *fp, ReadLineFlags flags)
Process lines of text read from a file pointer.
Definition: file.c:865
size_t mutt_file_quote_filename(const char *filename, char *buf, size_t buflen)
Quote a filename to survive the shell's quoting rules.
Definition: file.c:891
DIR * mutt_file_opendir(const char *path, enum MuttOpenDirMode mode)
Open a directory.
Definition: file.c:616
bool mutt_file_seek(FILE *fp, LOFF_T offset, int whence)
Wrapper for fseeko with error handling.
Definition: file.c:733
long mutt_file_get_size(const char *path)
Get the size of a file.
Definition: file.c:1560
int mutt_file_chmod(const char *path, mode_t mode)
Set permissions of a file.
Definition: file.c:1110
int mutt_file_rename(const char *oldfile, const char *newfile)
Rename a file.
Definition: file.c:1412
bool mutt_file_iter_line(struct MuttFileIter *iter, FILE *fp, ReadLineFlags flags)
Iterate over the lines from an open file pointer.
Definition: file.c:844
void mutt_file_expand_fmt_quote(char *dest, size_t destlen, const char *fmt, const char *src)
const char * mutt_file_rotate(const char *path, int num)
Rotate a set of numbered files.
Definition: file.c:521
int mutt_file_symlink(const char *oldpath, const char *newpath)
Create a symlink.
Definition: file.c:290
int mutt_file_chmod_add_stat(const char *path, mode_t mode, struct stat *st)
Add permissions to a file.
Definition: file.c:1158
bool(* mutt_file_map_t)(char *line, int line_num, void *user_data)
Definition: file.h:98
void mutt_file_expand_fmt(struct Buffer *dest, const char *fmt, const char *src)
Replace s in a string with a filename.
Definition: file.c:1512
void mutt_file_resolve_symlink(struct Buffer *buf)
Resolve a symlink in place.
Definition: file.c:1700
void mutt_file_set_mtime(const char *from, const char *to)
Set the modification time of one file from another.
Definition: file.c:1071
int mutt_file_stat_timespec_compare(struct stat *st, enum MuttStatType type, struct timespec *b)
Compare stat info with a time value.
Definition: file.c:1660
MuttStatType
Flags for mutt_file_get_stat_timespec.
Definition: file.h:62
@ MUTT_STAT_CTIME
File/dir's ctime - creation time.
Definition: file.h:65
@ MUTT_STAT_ATIME
File/dir's atime - last accessed time.
Definition: file.h:63
@ MUTT_STAT_MTIME
File/dir's mtime - last modified time.
Definition: file.h:64
uint8_t ReadLineFlags
Flags for mutt_file_read_line(), e.g. MUTT_RL_CONT.
Definition: file.h:38
int mutt_file_chmod_add(const char *path, mode_t mode)
Add permissions to a file.
Definition: file.c:1135
void mutt_file_unlink(const char *s)
Delete a file, carefully.
Definition: file.c:196
int mutt_file_fsync_close(FILE **fp)
Flush the data, before closing a file (and NULL the pointer)
Definition: file.c:168
int mutt_file_rmtree(const char *path)
Recursively remove a directory.
Definition: file.c:461
int mutt_file_chmod_rm_stat(const char *path, mode_t mode, struct stat *st)
Remove permissions from a file.
Definition: file.c:1214
String manipulation buffer.
Definition: buffer.h:34
State record for mutt_file_iter_line()
Definition: file.h:81
char * line
the line data
Definition: file.h:82
int line_num
line number
Definition: file.h:84
size_t size
allocated size of line data
Definition: file.h:83
Time value with nanosecond precision.
Definition: file.h:50
long tv_nsec
Number of nanosecond, on top.
Definition: file.h:52
time_t tv_sec
Number of seconds since the epoch.
Definition: file.h:51