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-rw-r--r--src/xz/file_io.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/xz/file_io.h b/src/xz/file_io.h
index 967da868..ef639324 100644
--- a/src/xz/file_io.h
+++ b/src/xz/file_io.h
@@ -102,6 +102,19 @@ extern void io_close(file_pair *pair, bool success);
extern size_t io_read(file_pair *pair, io_buf *buf, size_t size);
+/// \brief Fix the position in src_fd
+///
+/// This is used when --single-thream has been specified and decompression
+/// is successful. If the input file descriptor supports seeking, this
+/// function fixes the input position to point to the next byte after the
+/// decompressed stream.
+///
+/// \param pair File pair having the source file open for reading
+/// \param rewind_size How many bytes of extra have been read i.e.
+/// how much to seek backwards.
+extern void io_fix_src_pos(file_pair *pair, size_t rewind_size);
+
+
/// \brief Read from source file from given offset to a buffer
///
/// This is remotely similar to standard pread(). This uses lseek() though,