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HLE/FS: Return the proper error codes on file Read/Write operations.

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These operations are limited by the open flags specified while opening the file.
This commit is contained in:
Subv
2015-12-28 10:03:09 -05:00
parent 09b0564c75
commit 96f0e32f83
7 changed files with 40 additions and 18 deletions
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9
src/core/file_sys/file_backend.h
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@ -7,6 +7,7 @@
#include <cstddef>
#include "common/common_types.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
@ -29,9 +30,9 @@ public:
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from file
* @param buffer Buffer to read data into
* @return Number of bytes read
* @return Number of bytes read, or error code
*/
virtual size_t Read(u64 offset, size_t length, u8* buffer) const = 0;
virtual ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const = 0;
/**
* Write data to the file
@ -39,9 +40,9 @@ public:
* @param length Length in bytes of data to write to file
* @param flush The flush parameters (0 == do not flush)
* @param buffer Buffer to read data from
* @return Number of bytes written
* @return Number of bytes written, or error code
*/
virtual size_t Write(u64 offset, size_t length, bool flush, const u8* buffer) const = 0;
virtual ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const = 0;
/**
* Get the size of the file in bytes