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Diffstat (limited to '')
| -rw-r--r-- | src/xz/file_io.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/xz/file_io.c b/src/xz/file_io.c index 370b61b7..f9807a69 100644 --- a/src/xz/file_io.c +++ b/src/xz/file_io.c @@ -840,6 +840,21 @@ io_close(file_pair *pair, bool success) } +extern void +io_fix_src_pos(file_pair *pair, size_t rewind_size) +{ + assert(rewind_size <= IO_BUFFER_SIZE); + + if (rewind_size > 0) { + // This doesn't need to work on unseekable file descriptors, + // so just ignore possible errors. + (void)lseek(pair->src_fd, -(off_t)(rewind_size), SEEK_CUR); + } + + return; +} + + extern size_t io_read(file_pair *pair, io_buf *buf_union, size_t size) { |