diff options
Diffstat (limited to 'src/zencore')
| -rw-r--r-- | src/zencore/iobuffer.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/zencore/iobuffer.cpp b/src/zencore/iobuffer.cpp index 82ead42f0..9043d4d4c 100644 --- a/src/zencore/iobuffer.cpp +++ b/src/zencore/iobuffer.cpp @@ -557,14 +557,17 @@ IoBufferBuilder::ReadFromFileMaybe(const IoBuffer& InBuffer) #else int Fd = int(intptr_t(FileRef.FileHandle)); int Result = pread(Fd, OutBuffer.MutableData(), size_t(FileRef.FileChunkSize), off_t(FileRef.FileChunkOffset)); - bool Success = (Result < 0); + bool Success = (Result >= 0); uint32_t dwNumberOfBytesRead = uint32_t(Result); #endif if (!Success) { - ThrowLastError("ReadFile failed in IoBufferBuilder::ReadFromFileMaybe"); + ThrowLastError(fmt::format("file read failed in IoBufferBuilder::ReadFromFileMaybe (handle: {}, offset: {}, length: {})", + intptr_t(FileRef.FileHandle), + FileRef.FileChunkOffset, + FileRef.FileChunkSize)); } ZEN_ASSERT(dwNumberOfBytesRead == FileRef.FileChunkSize); |