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| Comment: | Avoid harmless left-shifts of negative numbers in the zipfile extension when building ZIP archives of files with pre-DOS dates. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
16bba8650cc24a0fd606944422bb31f2 |
| User & Date: | drh 2018-03-10 12:53:20 |
|
2018-03-10
| ||
| 13:21 | Improved error messages from the zipfile extension. (check-in: f634a7e3 user: drh tags: trunk) | |
| 12:53 | Avoid harmless left-shifts of negative numbers in the zipfile extension when building ZIP archives of files with pre-DOS dates. (check-in: 16bba865 user: drh tags: trunk) | |
| 12:34 | Fix the zipfile extension so that it is able to create symbolic link entries in the ZIP file even on systems like Win32 that do not support symbolic links on the native filesystem. (check-in: 2a4493f4 user: drh tags: trunk) | |
Changes to ext/misc/zipfile.c.
747 747 mon = (E<14 ? E-1 : E-13); 748 748 yr = mon>2 ? C-4716 : C-4715; 749 749 750 750 hr = (mUnixTime % (24*60*60)) / (60*60); 751 751 min = (mUnixTime % (60*60)) / 60; 752 752 sec = (mUnixTime % 60); 753 753 754 + if( yr>=1980 ){ 754 755 pCds->mDate = (u16)(day + (mon << 5) + ((yr-1980) << 9)); 755 756 pCds->mTime = (u16)(sec/2 + (min<<5) + (hr<<11)); 757 + }else{ 758 + pCds->mDate = pCds->mTime = 0; 759 + } 756 760 757 761 assert( mUnixTime<315507600 758 762 || mUnixTime==zipfileMtime(pCds) 759 763 || ((mUnixTime % 2) && mUnixTime-1==zipfileMtime(pCds)) 760 764 /* || (mUnixTime % 2) */ 761 765 ); 762 766 }