1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* Copyright (c) 2007-2009 Marko Kreen, Skype Technologies OÜ
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* @file
*
* File access utils.
*/
#ifndef _USUAL_FILEUTIL_H_
#define _USUAL_FILEUTIL_H_
#include <usual/base.h>
#include <stdio.h>
/** Info about mapped file */
struct MappedFile {
int fd;
unsigned len;
void *ptr;
};
/** Signature for per-line callback */
typedef bool (*procline_cb)(void *arg, const char *line, ssize_t len);
/** Read file into memory */
void *load_file(const char *fn, size_t *len_p);
/** Loop over lines in file */
bool foreach_line(const char *fn, procline_cb proc_line, void *arg);
/** Get file size */
ssize_t file_size(const char *fn);
/** Map file into memory */
int map_file(struct MappedFile *m, const char *fname, int rw) _MUSTCHECK;
/** Unmap previously mapped file */
void unmap_file(struct MappedFile *m);
#if !defined(HAVE_GETLINE)
#define getline(a,b,c) compat_getline(a,b,c)
/**
* Compat: Read line from file
*/
int getline(char **line_p, size_t *size_p, void *f);
#endif
#endif
|
