taoseng commented on issue #6083:
URL: https://github.com/apache/opendal/issues/6083#issuecomment-2826945108
Hi, every one. In my work, I encountered a scenario involving access to an
object storage system, which is an in-house solution at my company that is
mostly compatible with S3. My main task is to integrate OpenDAL with RocksDB's
FSWritableFile and FSRandomAccessFile. Since I don’t want to use the AWS/MinIO
SDK, I attempted to use OpenDAL. However, I discovered that the C binding
doesn’t support seek, and the C++ binding doesn’t support stream writing. As a
result, I couldn’t simultaneously implement both read and write operations.
I want to raise a PR to provide this features, but i dont known how to
design the api.
```c
struct opendal_error* opendal_reader_seek(struct opendal_reader *self, ?
offset, ? whence);
```
there are too many version like fseek:
```
int fseek(FILE *stream, long offset, int whence);
int fseeko(FILE *stream, off_t offset, int whence);
int fseeko64( FILE *fp, off64_t offset,int whence );
int _fseeki64(FILE *stream, __int64 offset,int origin);
```
I'm struggling with what types to use for offset and whence！
cc @Xuanwo
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