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swf: Avoid one usage of `Reader::pos`

This commit is contained in:
relrelb 2021-10-08 21:36:11 +03:00 committed by Mike Welsh
parent 4fcf0907ac
commit d069b8dcd6
1 changed files with 5 additions and 2 deletions
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7
swf/src/read.rs
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@ -2622,10 +2622,13 @@ pub mod tests {
// Halfway parse the SWF file until we find the tag we're searching for. // Halfway parse the SWF file until we find the tag we're searching for.
let mut reader = Reader::new(&swf_buf.data, swf_buf.header.version()); let mut reader = Reader::new(&swf_buf.data, swf_buf.header.version());
loop { loop {
let tag_start = &reader.get_ref(); let tag_start = reader.get_ref();
let (swf_tag_code, tag_len) = reader.read_tag_code_and_length().unwrap(); let (swf_tag_code, tag_len) = reader.read_tag_code_and_length().unwrap();
let tag_data = &tag_start[..reader.pos(tag_start) + tag_len];
let tag_end = &reader.get_ref()[tag_len..]; let tag_end = &reader.get_ref()[tag_len..];
let full_tag_len = tag_end.as_ptr() as usize - tag_start.as_ptr() as usize;
let tag_data = &tag_start[..full_tag_len];
// Skip tag data. // Skip tag data.
*reader.get_mut() = tag_end; *reader.get_mut() = tag_end;