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
|
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSMedia
*
* @brief Media implementation.
*/
/*
* Copyright (C) 2009, 2010 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <assert.h>
#include <rtems/media.h>
char *rtems_media_create_path(
const char *prefix,
const char *name,
rtems_device_major_number major
)
{
size_t const size = strlen(prefix) + 1 + strlen(name) + 1 + 10 + 1;
char *const s = malloc(size);
if (s != NULL) {
#ifndef NDEBUG
int rv =
#endif
snprintf(s, size, "%s/%s-%" PRIu32, prefix, name, major);
assert(rv < (int) size);
}
return s;
}
char *rtems_media_replace_prefix(const char *new_prefix, const char *path)
{
const char *const name_try = strrchr(path, '/');
const char *const name = (name_try == NULL) ? path : name_try + 1;
size_t const new_prefix_len = strlen(new_prefix);
size_t const name_size = strlen(name) + 1;
size_t const size = new_prefix_len + 1 + name_size;
char *const s = malloc(size);
if (s != NULL) {
memcpy(s, new_prefix, new_prefix_len);
s [new_prefix_len] = '/';
memcpy(s + new_prefix_len + 1, name, name_size);
}
return s;
}
char *rtems_media_append_minor(
const char *path,
rtems_device_minor_number minor
)
{
size_t const size = strlen(path) + 1 + 10 + 1;
char *const s = malloc(size);
if (s != NULL) {
#ifndef NDEBUG
int rv =
#endif
snprintf(s, size, "%s-%" PRIu32, path, minor);
assert(rv < (int) size);
}
return s;
}
|
