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authorjdgleaver2021-09-17 10:37:49 +0100
committerjdgleaver2021-09-17 10:37:49 +0100
commit7d871ab87d45e535d1512a5834b627cbbce2e66c (patch)
tree8b6932a6eb0f786ea8e922701a0182396a80a7cc /libretro-common/include/vfs
parentf53deef14f98c659fe9bbd7684656ee88977acbd (diff)
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Replace direct direct file access with VFS routines
Diffstat (limited to 'libretro-common/include/vfs')
-rw-r--r--libretro-common/include/vfs/vfs.h111
-rw-r--r--libretro-common/include/vfs/vfs_implementation.h76
2 files changed, 187 insertions, 0 deletions
diff --git a/libretro-common/include/vfs/vfs.h b/libretro-common/include/vfs/vfs.h
new file mode 100644
index 0000000..5366f33
--- /dev/null
+++ b/libretro-common/include/vfs/vfs.h
@@ -0,0 +1,111 @@
+/* Copyright (C) 2010-2020 The RetroArch team
+*
+* ---------------------------------------------------------------------------------------
+* The following license statement only applies to this file (vfs_implementation.h).
+* ---------------------------------------------------------------------------------------
+*
+* Permission is hereby granted, free of charge,
+* to any person obtaining a copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef __LIBRETRO_SDK_VFS_H
+#define __LIBRETRO_SDK_VFS_H
+
+#include <retro_common_api.h>
+#include <boolean.h>
+
+#ifdef RARCH_INTERNAL
+#ifndef VFS_FRONTEND
+#define VFS_FRONTEND
+#endif
+#endif
+
+RETRO_BEGIN_DECLS
+
+#ifdef _WIN32
+typedef void* HANDLE;
+#endif
+
+#ifdef HAVE_CDROM
+typedef struct
+{
+ int64_t byte_pos;
+ char *cue_buf;
+ size_t cue_len;
+ unsigned cur_lba;
+ unsigned last_frame_lba;
+ unsigned char cur_min;
+ unsigned char cur_sec;
+ unsigned char cur_frame;
+ unsigned char cur_track;
+ unsigned char last_frame[2352];
+ char drive;
+ bool last_frame_valid;
+} vfs_cdrom_t;
+#endif
+
+enum vfs_scheme
+{
+ VFS_SCHEME_NONE = 0,
+ VFS_SCHEME_CDROM
+};
+
+#ifndef __WINRT__
+#ifdef VFS_FRONTEND
+struct retro_vfs_file_handle
+#else
+struct libretro_vfs_implementation_file
+#endif
+{
+#ifdef HAVE_CDROM
+ vfs_cdrom_t cdrom; /* int64_t alignment */
+#endif
+ int64_t size;
+ uint64_t mappos;
+ uint64_t mapsize;
+ FILE *fp;
+#ifdef _WIN32
+ HANDLE fh;
+#endif
+ char *buf;
+ char* orig_path;
+ uint8_t *mapped;
+ int fd;
+ unsigned hints;
+ enum vfs_scheme scheme;
+};
+#endif
+
+/* Replace the following symbol with something appropriate
+ * to signify the file is being compiled for a front end instead of a core.
+ * This allows the same code to act as reference implementation
+ * for VFS and as fallbacks for when the front end does not provide VFS functionality.
+ */
+
+#ifdef VFS_FRONTEND
+typedef struct retro_vfs_file_handle libretro_vfs_implementation_file;
+#else
+typedef struct libretro_vfs_implementation_file libretro_vfs_implementation_file;
+#endif
+
+#ifdef VFS_FRONTEND
+typedef struct retro_vfs_dir_handle libretro_vfs_implementation_dir;
+#else
+typedef struct libretro_vfs_implementation_dir libretro_vfs_implementation_dir;
+#endif
+
+RETRO_END_DECLS
+
+#endif
diff --git a/libretro-common/include/vfs/vfs_implementation.h b/libretro-common/include/vfs/vfs_implementation.h
new file mode 100644
index 0000000..c7d6bb0
--- /dev/null
+++ b/libretro-common/include/vfs/vfs_implementation.h
@@ -0,0 +1,76 @@
+/* Copyright (C) 2010-2020 The RetroArch team
+*
+* ---------------------------------------------------------------------------------------
+* The following license statement only applies to this file (vfs_implementation.h).
+* ---------------------------------------------------------------------------------------
+*
+* Permission is hereby granted, free of charge,
+* to any person obtaining a copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef __LIBRETRO_SDK_VFS_IMPLEMENTATION_H
+#define __LIBRETRO_SDK_VFS_IMPLEMENTATION_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <libretro.h>
+#include <retro_environment.h>
+#include <vfs/vfs.h>
+
+RETRO_BEGIN_DECLS
+
+libretro_vfs_implementation_file *retro_vfs_file_open_impl(const char *path, unsigned mode, unsigned hints);
+
+int retro_vfs_file_close_impl(libretro_vfs_implementation_file *stream);
+
+int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream);
+
+int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream);
+
+int64_t retro_vfs_file_truncate_impl(libretro_vfs_implementation_file *stream, int64_t length);
+
+int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream);
+
+int64_t retro_vfs_file_seek_impl(libretro_vfs_implementation_file *stream, int64_t offset, int seek_position);
+
+int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream, void *s, uint64_t len);
+
+int64_t retro_vfs_file_write_impl(libretro_vfs_implementation_file *stream, const void *s, uint64_t len);
+
+int retro_vfs_file_flush_impl(libretro_vfs_implementation_file *stream);
+
+int retro_vfs_file_remove_impl(const char *path);
+
+int retro_vfs_file_rename_impl(const char *old_path, const char *new_path);
+
+const char *retro_vfs_file_get_path_impl(libretro_vfs_implementation_file *stream);
+
+int retro_vfs_stat_impl(const char *path, int32_t *size);
+
+int retro_vfs_mkdir_impl(const char *dir);
+
+libretro_vfs_implementation_dir *retro_vfs_opendir_impl(const char *dir, bool include_hidden);
+
+bool retro_vfs_readdir_impl(libretro_vfs_implementation_dir *dirstream);
+
+const char *retro_vfs_dirent_get_name_impl(libretro_vfs_implementation_dir *dirstream);
+
+bool retro_vfs_dirent_is_dir_impl(libretro_vfs_implementation_dir *dirstream);
+
+int retro_vfs_closedir_impl(libretro_vfs_implementation_dir *dirstream);
+
+RETRO_END_DECLS
+
+#endif