| 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 | } |