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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <glib.h>
#include <ofono/types.h>
#include "storage.h"
int create_dirs(const char *filename, const mode_t mode)
{
struct stat st;
char *dir;
const char *prev, *next;
int err;
err = stat(filename, &st);
if (!err && S_ISREG(st.st_mode))
return 0;
dir = g_malloc(strlen(filename) + 1);
strcpy(dir, "/");
for (prev = filename; (next = strchr(prev + 1, '/')); prev = next)
if (next > prev + 1) {
strncat(dir, prev + 1, next - prev);
if (mkdir(dir, mode) && errno != EEXIST) {
g_free(dir);
return -1;
}
}
g_free(dir);
return 0;
}
ssize_t read_file(unsigned char *buffer, size_t len,
const char *path_fmt, ...) {
va_list ap;
char *path;
ssize_t r;
int fd;
va_start(ap, path_fmt);
path = g_strdup_vprintf(path_fmt, ap);
va_end(ap);
fd = TFR(open(path, O_RDONLY));
g_free(path);
if (fd == -1)
return -1;
r = TFR(read(fd, buffer, len));
TFR(close(fd));
return r;
}
ssize_t write_file(const unsigned char *buffer, size_t len, mode_t mode,
const char *path_fmt, ...) {
va_list ap;
char *path;
ssize_t r;
int fd;
va_start(ap, path_fmt);
path = g_strdup_vprintf(path_fmt, ap);
va_end(ap);
if (create_dirs(path, mode | S_IXUSR) != 0) {
g_free(path);
return -1;
}
fd = TFR(open(path, O_WRONLY | O_CREAT | O_TRUNC, mode));
if (fd == -1) {
g_free(path);
return -1;
}
r = TFR(write(fd, buffer, len));
TFR(close(fd));
if (r != (ssize_t) len) {
unlink(path);
r = -1;
}
g_free(path);
return r;
}
|
