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Remove concept of 16-bit DDTs.

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Natalia Portillo
2025-10-09 01:47:39 +01:00
parent a51e170183
commit fafca45dae
6 changed files with 192 additions and 461 deletions
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22
include/aaruformat/context.h
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@@ -188,8 +188,10 @@ typedef struct aaruformatContext
bool inMemoryDdt; ///< True if primary (and possibly secondary) DDT loaded.
uint64_t *userDataDdt; ///< Legacy flat DDT pointer (NULL when using v2 mini/big arrays).
size_t mappedMemoryDdtSize; ///< Length of mmapped DDT if userDataDdt is mmapped.
uint32_t *sectorPrefixDdt; ///< Legacy CD sector prefix DDT (deprecated by *_Mini/Big).
uint32_t *sectorPrefixDdt; ///< Legacy CD sector prefix DDT (deprecated by *2).
uint32_t *sectorSuffixDdt; ///< Legacy CD sector suffix DDT.
uint32_t *sectorPrefixDdt2; ///< CD sector prefix DDT V2.
uint32_t *sectorSuffixDdt2; ///< CD sector suffix DDT V2.
GeometryBlockHeader geometryBlock; ///< Logical geometry block (if present).
MetadataBlockHeader metadataBlockHeader; ///< Metadata block header.
@@ -213,18 +215,14 @@ typedef struct aaruformatContext
Checksums checksums; ///< Whole-image checksums discovered.
mediaTagEntry *mediaTags; ///< Hash table of extra media tags (uthash root).
DdtHeader2 userDataDdtHeader; ///< Active user data DDT v2 header (primary table meta).
int ddtVersion; ///< DDT version in use (1=legacy, 2=v2 hierarchical).
uint16_t *userDataDdtMini; ///< DDT entries (small variant) primary/secondary current.
uint32_t *userDataDdtBig; ///< DDT entries (big variant) primary/secondary current.
uint16_t *sectorPrefixDdtMini; ///< CD sector prefix corrected DDT (small) if present.
uint16_t *sectorSuffixDdtMini; ///< CD sector suffix corrected DDT (small) if present.
DdtHeader2 userDataDdtHeader; ///< Active user data DDT v2 header (primary table meta).
int ddtVersion; ///< DDT version in use (1=legacy, 2=v2 hierarchical).
uint32_t *userDataDdtBig; ///< DDT entries (big variant) primary/secondary current.
uint64_t cachedDdtOffset; ///< File offset of currently cached secondary DDT (0=none).
uint64_t cachedDdtPosition; ///< Position index of cached secondary DDT.
uint64_t primaryDdtOffset; ///< File offset of the primary DDT v2 table.
uint16_t *cachedSecondaryDdtSmall; ///< Cached secondary table (small entries) or NULL.
uint32_t *cachedSecondaryDdtBig; ///< Cached secondary table (big entries) or NULL.
uint64_t cachedDdtOffset; ///< File offset of currently cached secondary DDT (0=none).
uint64_t cachedDdtPosition; ///< Position index of cached secondary DDT.
uint64_t primaryDdtOffset; ///< File offset of the primary DDT v2 table.
uint32_t *cachedSecondaryDdtBig; ///< Cached secondary table (big entries) or NULL.
bool isWriting; ///< True if context opened/created for writing.
BlockHeader currentBlockHeader; ///< Header for block currently being assembled (write path).