DevComp/zip-rs-wasm
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Do not use step_by

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This commit is contained in:
Mathijs van de Nes 2015-04-03 14:56:00 +02:00
parent c05e8a5f04
commit 726f8133f5
2 changed files with 4 additions and 3 deletions
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2
src/lib.rs
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@ -2,8 +2,6 @@
#![warn(missing_docs)] #![warn(missing_docs)]
#![feature(step_by)]
extern crate time; extern crate time;
extern crate flate2; extern crate flate2;
extern crate bzip2; extern crate bzip2;

5
src/spec.rs
View file

@ -55,7 +55,9 @@ impl CentralDirectoryEnd
let file_length = try!(reader.seek(io::SeekFrom::End(0))) as i64; let file_length = try!(reader.seek(io::SeekFrom::End(0))) as i64;
let search_upper_bound = ::std::cmp::max(0, file_length - header_size - ::std::u16::MAX as i64); let search_upper_bound = ::std::cmp::max(0, file_length - header_size - ::std::u16::MAX as i64);
for pos in (file_length - header_size .. search_upper_bound - 1).step_by(-1)
let mut pos = file_length - header_size;
while pos >= search_upper_bound
{ {
try!(reader.seek(io::SeekFrom::Start(pos as u64))); try!(reader.seek(io::SeekFrom::Start(pos as u64)));
if try!(reader.read_u32::<LittleEndian>()) == CENTRAL_DIRECTORY_END_SIGNATURE if try!(reader.read_u32::<LittleEndian>()) == CENTRAL_DIRECTORY_END_SIGNATURE
@ -68,6 +70,7 @@ impl CentralDirectoryEnd
return CentralDirectoryEnd::parse(reader); return CentralDirectoryEnd::parse(reader);
} }
} }
pos -= 1;
} }
Err(ZipError::InvalidArchive("Could not find central directory end")) Err(ZipError::InvalidArchive("Could not find central directory end"))
} }