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3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * | |
3 | * --------------------------------------------------------------------------------------- | |
4 | * The following license statement only applies to this file (nbio_intf.c). | |
5 | * --------------------------------------------------------------------------------------- | |
6 | * | |
7 | * Permission is hereby granted, free of charge, | |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation the rights to | |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | ||
26 | #ifdef HAVE_CONFIG_H | |
27 | #include "config.h" | |
28 | #endif | |
29 | ||
30 | #include <file/nbio.h> | |
31 | ||
32 | extern nbio_intf_t nbio_linux; | |
33 | extern nbio_intf_t nbio_mmap_unix; | |
34 | extern nbio_intf_t nbio_mmap_win32; | |
35 | extern nbio_intf_t nbio_stdio; | |
36 | ||
37 | #ifndef _XBOX | |
38 | #if defined(_WIN32) | |
39 | #if defined(_MSC_VER) && _MSC_VER >= 1500 | |
40 | ||
41 | #ifndef HAVE_MMAP_WIN32 | |
42 | #define HAVE_MMAP_WIN32 | |
43 | #endif | |
44 | ||
45 | #elif !defined(_MSC_VER) | |
46 | ||
47 | #ifndef HAVE_MMAP_WIN32 | |
48 | #define HAVE_MMAP_WIN32 | |
49 | #endif | |
50 | #endif | |
51 | #endif | |
52 | ||
53 | #endif | |
54 | ||
55 | #if defined(_linux__) | |
56 | static nbio_intf_t *internal_nbio = &nbio_linux; | |
57 | #elif defined(HAVE_MMAP) && defined(BSD) | |
58 | static nbio_intf_t *internal_nbio = &nbio_mmap_unix; | |
59 | #elif defined(HAVE_MMAP_WIN32) | |
60 | static nbio_intf_t *internal_nbio = &nbio_mmap_win32; | |
61 | #else | |
62 | static nbio_intf_t *internal_nbio = &nbio_stdio; | |
63 | #endif | |
64 | ||
65 | void *nbio_open(const char * filename, unsigned mode) | |
66 | { | |
67 | return internal_nbio->open(filename, mode); | |
68 | } | |
69 | ||
70 | void nbio_begin_read(void *data) | |
71 | { | |
72 | internal_nbio->begin_read(data); | |
73 | } | |
74 | ||
75 | void nbio_begin_write(void *data) | |
76 | { | |
77 | internal_nbio->begin_write(data); | |
78 | } | |
79 | ||
80 | bool nbio_iterate(void *data) | |
81 | { | |
82 | return internal_nbio->iterate(data); | |
83 | } | |
84 | ||
85 | void nbio_resize(void *data, size_t len) | |
86 | { | |
87 | internal_nbio->resize(data, len); | |
88 | } | |
89 | ||
90 | void *nbio_get_ptr(void *data, size_t* len) | |
91 | { | |
92 | return internal_nbio->get_ptr(data, len); | |
93 | } | |
94 | ||
95 | void nbio_cancel(void *data) | |
96 | { | |
97 | internal_nbio->cancel(data); | |
98 | } | |
99 | ||
100 | void nbio_free(void *data) | |
101 | { | |
102 | internal_nbio->free(data); | |
103 | } |