diff options
Diffstat (limited to 'source/core/StarFile_windows.cpp')
| -rw-r--r-- | source/core/StarFile_windows.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source/core/StarFile_windows.cpp b/source/core/StarFile_windows.cpp index 0b5c286..d9719b1 100644 --- a/source/core/StarFile_windows.cpp +++ b/source/core/StarFile_windows.cpp @@ -377,7 +377,12 @@ size_t File::pread(void* f, char* data, size_t len, StreamOffset position) { HANDLE file = (HANDLE)f; DWORD numRead = 0; OVERLAPPED overlapped = makeOverlapped(position); + + StreamOffset pos = ftell(f); + if (pos != 0) fseek(f, 0, IOSeek::Absolute); int ret = ReadFile(file, data, len, &numRead, &overlapped); + if (pos != 0) fseek(f, pos, IOSeek::Absolute); + if (ret == 0) { auto err = GetLastError(); if (err != ERROR_IO_PENDING) @@ -391,7 +396,12 @@ size_t File::pwrite(void* f, char const* data, size_t len, StreamOffset position HANDLE file = (HANDLE)f; DWORD numWritten = 0; OVERLAPPED overlapped = makeOverlapped(position); + + StreamOffset pos = ftell(f); + if (pos != 0) fseek(f, 0, IOSeek::Absolute); int ret = WriteFile(file, data, len, &numWritten, &overlapped); + if (pos != 0) fseek(f, pos, IOSeek::Absolute); + if (ret == 0) { auto err = GetLastError(); if (err != ERROR_IO_PENDING) |