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Removed direct stdio usage

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This commit is contained in:
Jack Andersen
2016-01-24 19:55:31 -10:00
parent 9ce2e0a3b2
commit df5e8d068c
9 changed files with 267 additions and 143 deletions
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99
lib/DiscIOISO.cpp
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@@ -2,11 +2,6 @@
#include "NOD/Util.hpp"
#include "NOD/IDiscIO.hpp"
#if _WIN32
#define ftello _ftelli64
#define fseeko _fseeki64
#endif
namespace NOD
{
@@ -20,60 +15,132 @@ public:
class ReadStream : public IReadStream
{
friend class DiscIOISO;
#if _WIN32
HANDLE fp;
ReadStream(HANDLE fpin)
: fp(fpin) {}
~ReadStream() {CloseHandle(fp);}
#else
FILE* fp;
ReadStream(FILE* fpin)
: fp(fpin) {}
~ReadStream() {fclose(fp);}
#endif
public:
#if _WIN32
uint64_t read(void* buf, uint64_t length)
{
DWORD ret = 0;
ReadFile(fp, buf, length, &ret, nullptr);
return ret;
}
uint64_t position() const
{
LARGE_INTEGER liOfs={0};
LARGE_INTEGER liNew={0};
SetFilePointerEx(fp, liOfs, &liNew, FILE_CURRENT);
return liNew.QuadPart;
}
void seek(int64_t offset, int whence)
{
LARGE_INTEGER li;
li.QuadPart = offset;
SetFilePointerEx(fp, li, nullptr, whence);
}
#else
uint64_t read(void* buf, uint64_t length)
{return fread(buf, 1, length, fp);}
uint64_t position() const
{return ftello(fp);}
void seek(int64_t offset, int whence)
{fseeko(fp, offset, whence);}
{FSeek(fp, offset, whence);}
#endif
};
#if _WIN32
std::unique_ptr<IReadStream> beginReadStream(uint64_t offset) const
{
#if NOD_UCS2
FILE* fp = _wfopen(filepath.c_str(), L"rb");
HANDLE fp = CreateFileW(filepath.c_str(), GENERIC_READ, FILE_SHARE_READ,
nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
if (fp == INVALID_HANDLE_VALUE)
{
LogModule.report(LogVisor::Error, _S("Unable to open '%s' for reading"), filepath.c_str());
return std::unique_ptr<IReadStream>();
}
LARGE_INTEGER li;
li.QuadPart = offset;
SetFilePointerEx(fp, li, nullptr, FILE_BEGIN);
return std::unique_ptr<IReadStream>(new ReadStream(fp));
}
#else
std::unique_ptr<IReadStream> beginReadStream(uint64_t offset) const
{
FILE* fp = fopen(filepath.c_str(), "rb");
#endif
if (!fp)
{
LogModule.report(LogVisor::Error, _S("Unable to open '%s' for reading"), filepath.c_str());
return std::unique_ptr<IReadStream>();
}
fseeko(fp, offset, SEEK_SET);
FSeek(fp, offset, SEEK_SET);
return std::unique_ptr<IReadStream>(new ReadStream(fp));
}
#endif
class WriteStream : public IWriteStream
{
friend class DiscIOISO;
#if _WIN32
HANDLE fp;
WriteStream(HANDLE fpin)
: fp(fpin) {}
~WriteStream() {CloseHandle(fp);}
#else
FILE* fp;
WriteStream(FILE* fpin)
: fp(fpin) {}
~WriteStream() {fclose(fp);}
#endif
public:
uint64_t write(void* buf, uint64_t length)
{return fwrite(buf, 1, length, fp);}
uint64_t write(const void* buf, uint64_t length)
{
#if _WIN32
DWORD ret = 0;
WriteFile(fp, buf, length, &ret, nullptr);
return ret;
#else
return fwrite(buf, 1, length, fp);
#endif
}
};
#if _WIN32
std::unique_ptr<IWriteStream> beginWriteStream(uint64_t offset) const
{
#if NOD_UCS2
FILE* fp = _wfopen(filepath.c_str(), L"wb");
HANDLE fp = CreateFileW(filepath.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE,
nullptr, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
if (fp == INVALID_HANDLE_VALUE)
{
LogModule.report(LogVisor::Error, _S("Unable to open '%s' for writing"), filepath.c_str());
return std::unique_ptr<IWriteStream>();
}
LARGE_INTEGER li;
li.QuadPart = offset;
SetFilePointerEx(fp, li, nullptr, FILE_BEGIN);
return std::unique_ptr<IWriteStream>(new WriteStream(fp));
}
#else
std::unique_ptr<IWriteStream> beginWriteStream(uint64_t offset) const
{
FILE* fp = fopen(filepath.c_str(), "wb");
#endif
if (!fp)
{
LogModule.report(LogVisor::Error, _S("Unable to open '%s' for writing"), filepath.c_str());
return std::unique_ptr<IWriteStream>();
}
fseeko(fp, offset, SEEK_SET);
FSeek(fp, offset, SEEK_SET);
return std::unique_ptr<IWriteStream>(new WriteStream(fp));
}
#endif
};
std::unique_ptr<IDiscIO> NewDiscIOISO(const SystemChar* path)