- int seek(sg_offset_t offset, int origin)
- {
- switch (origin) {
- case SEEK_SET:
- current_position_ = offset;
- return 0;
- case SEEK_CUR:
- current_position_ += offset;
- return 0;
- case SEEK_END:
- current_position_ = size_ + offset;
- return 0;
- default:
- return -1;
- }
- }
+ int seek(sg_offset_t offset, int origin);
+ int unlink(sg_host_t host);