, July 09, 2017 2:44 PM
To: FPC-Pascal users discussions
Subject: Re: [fpc-pascal] Fixed record files
Hi,
"packed record" is for compatibility. Its guaranteed that inner alignment and
size of record will be always the same and will not change in future versions
of compiler, unlike
ref/refsu15.html
V.
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Od: "James Richters"
Komu: "'FPC-Pascal users discussions'"
Datum: 09.07.2017 20:12
Předmět: Re: [fpc-pascal] Fixed record files
I don't understand "packed record" could you elaborate?
James
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scussions
Subject: Re: [fpc-pascal] Fixed record files
Hello,
I'll try something like
If filesize(drawfile)>0 then
Seek(drawfile, sizeof(drawfile)-1)
else
"empty file";
For portability of you file and software, I recommand you to use a "packed
record" with an
Hello,
I'll try something like
If filesize(drawfile)>0 then
Seek(drawfile, sizeof(drawfile)-1)
else
"empty file";
For portability of you file and software, I recommand you to use a "packed record" with an internal
forced word-align of the double data. If size matters, no need to align.
I have a few questions about fixed record files. I have the following:
Type
DrawCMD = Record
GC: Byte;
PX,PY,PZ,GX,GY,GZ,GI,GJ,R,SA,EA:Double;
End;
Var
DrawFile: File Of DrawCMD;
Drawinfo: DrawCM
