HELP: Read length and pointer formats from memory TYPE: OBJECT SYNTAX: VAR(METHOD=PLENPTR/ALENPTR/PPTRLEN/APTRLEN/PFLGLENPTR/PPTRLENFLG,ALIGN=num)
This object is used to read a column from memory based on a certain length pointer format. A limit on the maximum length of the value and/or an alignment of this element can be set for better format detection.
NUMBER: METHOD=PLENPTR/ALENPTR/PPTRLEN/APTRLEN/PFLGLENPTR/PPTRLENFLG - Sets field order of buffer pointer and pointer length as well as padding [PFLGLENPTR]
PLENPTR - Buffer length as 32 bit (system endian) integer followed by pointer in architecture-specific length; no padding (packed) (8/12 bytes on 32/64 bit systems)ALENPTR - Buffer length as 32 bit (system endian) integer followed by pointer in architecture-specific length; with memory alignment (unpacked) (8/16 bytes on 32/64 bit systems)PPTRLEN - Pointer in architecture-specific length followed by buffer length as 32 bit (system endian) integer; no padding (packed) (8/12 bytes on 32/64 bit systems)APTRLEN - Pointer in architecture-specific length followed by buffer length as 32 bit (system endian) integer; with memory alignment (unpacked) (8/12 bytes on 32/64 bit systems)PFLGLENPTR - 32 bit flag word (system endian), buffer length as 32 bit (system endian) integer followed by pointer in architecture-specific length (12/16 bytes on 32/64 bit systems)PPTRLENFLG - Pointer in architecture-specific length, buffer length as 32 bit (system endian) integer followed by 32 bit flag word (system endian) (12/16 bytes on 32/64 bit systems)NUMBER: ALIGN=num - Align data in the buffers pointed at to the next multiple of this value in bytes [1 (no alignment)]