Use int64_t instead of off_t

Using off_t, at least, in DiskAdaptor layer is problematic because
torrent can contain under 2GiB files but total sum of those files may
exceed 2GiB limit, which makes off_t overflow in 32 bit system without
large file support. So we use int64_t in API. We'll check the file
length before download so that it does not exceed max off_t.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/IteratableChunkChecksumValidator.h b/src/IteratableChunkChecksumValidator.h
index 314e5765..052d22af 100644
--- a/src/IteratableChunkChecksumValidator.h
+++ b/src/IteratableChunkChecksumValidator.h
@@ -57,7 +57,7 @@ private:
 
   std::string calculateActualChecksum();
 
-  std::string digest(off_t offset, size_t length);
+  std::string digest(int64_t offset, size_t length);
 
 public:
   IteratableChunkChecksumValidator(const SharedHandle<DownloadContext>& dctx,
@@ -71,9 +71,9 @@ public:
 
   virtual bool finished() const;
 
-  virtual off_t getCurrentOffset() const;
+  virtual int64_t getCurrentOffset() const;
 
-  virtual off_t getTotalLength() const;
+  virtual int64_t getTotalLength() const;
 };
 
 typedef SharedHandle<IteratableChunkChecksumValidator> IteratableChunkChecksumValidatorHandle;