Fix since mth's version killed everything, even the baby sea lions

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@572 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Sonicadvance1 2008-09-18 04:54:34 +00:00
parent 67aa39c89e
commit 1a7f5bb564
2 changed files with 42 additions and 43 deletions

View File

@ -22,13 +22,10 @@
#ifdef _WIN32 #ifdef _WIN32
#include <windows.h> #include <windows.h>
#endif
namespace DiscIO namespace DiscIO
{ {
#ifdef _WIN32
PlainFileReader::PlainFileReader(HANDLE hFile_) PlainFileReader::PlainFileReader(HANDLE hFile_)
{ {
hFile = hFile_; hFile = hFile_;
@ -53,58 +50,62 @@ PlainFileReader::~PlainFileReader()
CloseHandle(hFile); CloseHandle(hFile);
} }
bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr) bool PlainFileReader::Read(u64 offset, u64 size, u8* out_ptr)
{ {
LONG offset_high = (LONG)(offset >> 32); LONG offset_high = (LONG)(offset >> 32);
SetFilePointer(hFile, (DWORD)(offset & 0xFFFFFFFF), &offset_high, FILE_BEGIN); SetFilePointer(hFile, (DWORD)(offset & 0xFFFFFFFF), &offset_high, FILE_BEGIN);
if (nbytes >= 0x100000000ULL) if (size >= 0x100000000ULL)
return false; // WTF, does windows really have this limitation? return false; // WTF, does windows really have this limitation?
DWORD unused; DWORD unused;
if (!ReadFile(hFile, out_ptr, DWORD(nbytes & 0xFFFFFFFF), &unused, NULL)) if (!ReadFile(hFile, out_ptr, DWORD(size & 0xFFFFFFFF), &unused, NULL))
return false; return false;
else else
return true; return true;
} }
#else // POSIX } // namespace
PlainFileReader::PlainFileReader(FILE* file__) #else // linux, 64-bit. We do not yet care about linux32
{
file_ = file__;
#if 0
fseek64(file_, 0, SEEK_END);
#else
fseek(file_, 0, SEEK_END); // I don't have fseek64 with gcc 4.3
#endif
size = ftell(file_);
fseek(file_, 0, SEEK_SET);
}
PlainFileReader* PlainFileReader::Create(const char* filename) namespace DiscIO
{ {
FILE* file_ = fopen(filename, "rb");
if (file_) PlainFileReader::PlainFileReader(FILE* file__)
return new PlainFileReader(file_); {
else file_ = file__;
#if 0
fseek64(file_, 0, SEEK_END);
#else
fseek(file_, 0, SEEK_END); // I don't have fseek64 with gcc 4.3
#endif
size = ftell(file_);
fseek(file_, 0, SEEK_SET);
}
PlainFileReader* PlainFileReader::Create(const char* filename)
{
FILE* file_ = fopen(filename, "rb");
if (file_)
{
return new PlainFileReader(file_);
}
return 0; return 0;
} }
PlainFileReader::~PlainFileReader() PlainFileReader::~PlainFileReader()
{ {
fclose(file_); fclose(file_);
} }
bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr) bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr)
{ {
int seekStatus = fseek(file_, offset, SEEK_SET); fseek(file_, offset, SEEK_SET);
if (seekStatus != 0) fread(out_ptr, nbytes, 1, file_);
return false; return true;
size_t bytesRead = fread(out_ptr, nbytes, 1, file_); }
return bytesRead == nbytes;
} } // namespace
#endif #endif
} // namespace

View File

@ -22,8 +22,6 @@
#ifdef _WIN32 #ifdef _WIN32
#include <windows.h> #include <windows.h>
#else
#include <cstdio>
#endif #endif
namespace DiscIO namespace DiscIO
@ -35,8 +33,8 @@ class PlainFileReader : public IBlobReader
HANDLE hFile; HANDLE hFile;
PlainFileReader(HANDLE hFile_); PlainFileReader(HANDLE hFile_);
#else #else
FILE* file_; FILE *file_;
PlainFileReader(FILE* file__); PlainFileReader(FILE *file__);
#endif #endif
s64 size; s64 size;
@ -45,7 +43,7 @@ public:
~PlainFileReader(); ~PlainFileReader();
u64 GetDataSize() const { return size; } u64 GetDataSize() const { return size; }
u64 GetRawSize() const { return size; } u64 GetRawSize() const { return size; }
bool Read(u64 offset, u64 nbytes, u8* out_ptr); bool Read(u64 offset, u64 size, u8* out_ptr);
}; };
} // namespace } // namespace