From 7d871ab87d45e535d1512a5834b627cbbce2e66c Mon Sep 17 00:00:00 2001
From: jdgleaver
Date: Fri, 17 Sep 2021 10:37:49 +0100
Subject: Replace direct direct file access with VFS routines

---
 libretro-common/include/streams/file_stream.h | 115 ++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 libretro-common/include/streams/file_stream.h

(limited to 'libretro-common/include/streams')

diff --git a/libretro-common/include/streams/file_stream.h b/libretro-common/include/streams/file_stream.h
new file mode 100644
index 0000000..ab198b2
--- /dev/null
+++ b/libretro-common/include/streams/file_stream.h
@@ -0,0 +1,115 @@
+/* Copyright  (C) 2010-2020 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (file_stream.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_FILE_STREAM_H
+#define __LIBRETRO_SDK_FILE_STREAM_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stddef.h>
+
+#include <sys/types.h>
+
+#include <libretro.h>
+#include <retro_common_api.h>
+#include <retro_inline.h>
+#include <boolean.h>
+
+#include <stdarg.h>
+#include <vfs/vfs_implementation.h>
+
+#define FILESTREAM_REQUIRED_VFS_VERSION 2
+
+RETRO_BEGIN_DECLS
+
+typedef struct RFILE RFILE;
+
+#define FILESTREAM_REQUIRED_VFS_VERSION 2
+
+void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info);
+
+int64_t filestream_get_size(RFILE *stream);
+
+int64_t filestream_truncate(RFILE *stream, int64_t length);
+
+/**
+ * filestream_open:
+ * @path               : path to file
+ * @mode               : file mode to use when opening (read/write)
+ * @bufsize            : optional buffer size (-1 or 0 to use default)
+ *
+ * Opens a file for reading or writing, depending on the requested mode.
+ * Returns a pointer to an RFILE if opened successfully, otherwise NULL.
+ **/
+RFILE* filestream_open(const char *path, unsigned mode, unsigned hints);
+
+int64_t filestream_seek(RFILE *stream, int64_t offset, int seek_position);
+
+int64_t filestream_read(RFILE *stream, void *data, int64_t len);
+
+int64_t filestream_write(RFILE *stream, const void *data, int64_t len);
+
+int64_t filestream_tell(RFILE *stream);
+
+void filestream_rewind(RFILE *stream);
+
+int filestream_close(RFILE *stream);
+
+int64_t filestream_read_file(const char *path, void **buf, int64_t *len);
+
+char* filestream_gets(RFILE *stream, char *s, size_t len);
+
+int filestream_getc(RFILE *stream);
+
+int filestream_scanf(RFILE *stream, const char* format, ...);
+
+int filestream_eof(RFILE *stream);
+
+bool filestream_write_file(const char *path, const void *data, int64_t size);
+
+int filestream_putc(RFILE *stream, int c);
+
+int filestream_vprintf(RFILE *stream, const char* format, va_list args);
+
+int filestream_printf(RFILE *stream, const char* format, ...);
+
+int filestream_error(RFILE *stream);
+
+int filestream_flush(RFILE *stream);
+
+int filestream_delete(const char *path);
+
+int filestream_rename(const char *old_path, const char *new_path);
+
+const char* filestream_get_path(RFILE *stream);
+
+bool filestream_exists(const char *path);
+
+/* Returned pointer must be freed by the caller. */
+char* filestream_getline(RFILE *stream);
+
+libretro_vfs_implementation_file* filestream_get_vfs_handle(RFILE *stream);
+
+RETRO_END_DECLS
+
+#endif
-- 
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