std.zip: Add ZIP64 support for local file header extra field #22408
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axlEscalada
changed the title
alexrp
reviewed
Jan 5, 2025
ifreund
approved these changes
Jan 17, 2025
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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