std.zip: Add ZIP64 support for local file header extra field #22408
108
−24
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR adds support for handling ZIP64 format in local file headers, when a zip file contains entries where the compressed or uncompressed size fields are set to 0xFFFFFFFF, and the extra field contains ZIP64 extended information tag (0x0001)
The code now:
Zip file format spec.: https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
This change allows proper extraction of ZIP files that use ZIP64 format in their local file headers, fixing issue #22329