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InputStream: make Seek() always absolute

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Remove the "whence" parameter that is not actually necessary, and only
complicates the InputStream implementations.
This commit is contained in:
Max Kellermann
2014-05-22 10:10:16 +02:00
parent 374c6a27db
commit 07b93dcf80
28 changed files with 184 additions and 127 deletions
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16
src/input/InputStream.hxx
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@@ -275,22 +275,26 @@ public:
* The caller must lock the mutex.
*
* @param offset the relative offset
* @param whence the base of the seek, one of SEEK_SET, SEEK_CUR, SEEK_END
*/
virtual bool Seek(offset_type offset, int whence, Error &error);
virtual bool Seek(offset_type offset, Error &error);
/**
* Wrapper for Seek() which locks and unlocks the mutex; the
* caller must not be holding it already.
*/
bool LockSeek(offset_type offset, int whence, Error &error);
bool LockSeek(offset_type offset, Error &error);
/**
* Rewind to the beginning of the stream. This is a wrapper
* for Seek(0, SEEK_SET, error).
* for Seek(0, error).
*/
bool Rewind(Error &error);
bool LockRewind(Error &error);
bool Rewind(Error &error) {
return Seek(0, error);
}
bool LockRewind(Error &error) {
return LockSeek(0, error);
}
/**
* Returns true if the stream has reached end-of-file.