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Remove old zip base skew hack

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Since 8ff48201ca we no longer need the
hack where, when running .com.dbg files, we scanned for the embedded
.com file offset, and then computed zip offsets realtive to that. It
wasn't very reliable in the first place, and was causing issues with
running our new .com.dbg executables, which are true zip files.
This commit is contained in:
Justine Tunney 2023-06-17 04:20:16 -07:00
parent 207e18a060
commit 52d28966f7
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GPG key ID: BE714B4575D6E328
10 changed files with 134 additions and 238 deletions
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38
libc/zip.internal.h
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@ -15,20 +15,27 @@
#define ZM_(x) ~VEIL("r", ~x) /* prevent magic from appearing in binary */
#endif
#define kZipOk 0
#define kZipErrorEocdNotFound -1
#define kZipErrorEocdOffsetOverflow -2
#define kZipErrorEocdMagicNotFound -3
#define kZipErrorEocdSizeOverflow -4
#define kZipErrorEocdDiskMismatch -5
#define kZipErrorCdirRecordsMismatch -6
#define kZipErrorCdirRecordsOverflow -7
#define kZipErrorCdirOffsetPastEocd -8
#define kZipErrorCdirLocatorMagic -9
#define kZipErrorCdirLocatorOffset -10
#define kZipErrorRaceCondition -11
#define kZipErrorMapFailed -12
#define kZipErrorOpenFailed -13
#ifdef TINY
#define _ZE(x) -1
#else
#define _ZE(x) x
#endif
#define kZipOk 0
#define kZipErrorEocdNotFound _ZE(-1)
#define kZipErrorEocdOffsetOverflow _ZE(-2)
#define kZipErrorEocdMagicNotFound _ZE(-3)
#define kZipErrorEocdSizeOverflow _ZE(-4)
#define kZipErrorEocdDiskMismatch _ZE(-5)
#define kZipErrorEocdOffsetSizeOverflow _ZE(-6)
#define kZipErrorEocdRecordsMismatch _ZE(-7)
#define kZipErrorEocdRecordsOverflow _ZE(-8)
#define kZipErrorCdirOffsetPastEocd _ZE(-9)
#define kZipErrorEocdLocatorMagic _ZE(-10)
#define kZipErrorEocdLocatorOffset _ZE(-11)
#define kZipErrorRaceCondition _ZE(-12)
#define kZipErrorMapFailed _ZE(-13)
#define kZipErrorOpenFailed _ZE(-14)
#define kZipCosmopolitanVersion kZipEra2001
@ -75,7 +82,7 @@
#define kZipCdirOffsetOffset 16
#define kZipCdirCommentSizeOffset 20
#define kZipCdir64HdrMagic ZM_(0x06064b50) /* PK♣♠ "PK\6\6" */
#define kZipCdir64HdrMagic ZM_(0x06064b50) /* PK♠♠ "PK\6\6" */
#define kZipCdir64HdrMinSize 56
#define kZipCdir64LocatorMagic ZM_(0x07064b50) /* PK♠• "PK\6\7" */
#define kZipCdir64LocatorSize 20
@ -211,7 +218,6 @@
#define ZIP_EXTRA_SIZE(P) (ZIP_EXTRA_CONTENTSIZE(P) + kZipExtraHdrSize)
void *GetZipEocd(const void *, size_t, int *);
uint8_t *FindEmbeddedApe(const uint8_t *, size_t);
int IsZipEocd32(const uint8_t *, size_t, size_t);
int IsZipEocd64(const uint8_t *, size_t, size_t);
int GetZipCfileMode(const uint8_t *);