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Io: Consistently use error codes with OpenFile().

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This gets rid of OpenWithError(), and just always returns a negative value
on error for OpenFile().  Also fixed the sequence rollover, which could've
returned 0.

0 should be considered a valid handle ideally, but left it never returning
0 to simplify cleanup in some areas.
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2019-10-20 11:03:37 -07:00
parent 45516783f6
commit 913121cf2b
18 changed files with 80 additions and 86 deletions
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Core/FileSystems/VirtualDiscFileSystem.h
+1 -1
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@@ -30,7 +30,7 @@ public:
~VirtualDiscFileSystem();
void DoState(PointerWrap &p) override;
u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL) override;
int OpenFile(std::string filename, FileAccess access, const char *devicename = nullptr) override;
size_t SeekFile(u32 handle, s32 position, FileMove type) override;
size_t ReadFile(u32 handle, u8 *pointer, s64 size) override;
size_t ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) override;