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https://gitlab.com/freepascal.org/fpc/source.git
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1062 lines
26 KiB
ObjectPascal
1062 lines
26 KiB
ObjectPascal
{****************************************************************************
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$Id$
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Free Pascal Runtime-Library
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DOS unit for OS/2
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Copyright (c) 1997,1999-2000 by Daniel Mantione,
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member of the Free Pascal development team
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************}
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unit dos;
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{$ASMMODE ATT}
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{***************************************************************************}
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interface
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{***************************************************************************}
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{$PACKRECORDS 1}
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uses strings;
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const {Bit masks for CPU flags.}
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fcarry = $0001;
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fparity = $0004;
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fauxiliary = $0010;
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fzero = $0040;
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fsign = $0080;
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foverflow = $0800;
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{Bit masks for file attributes.}
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readonly = $01;
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hidden = $02;
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sysfile = $04;
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volumeid = $08;
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directory = $10;
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archive = $20;
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anyfile = $3F;
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fmclosed = $D7B0;
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fminput = $D7B1;
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fmoutput = $D7B2;
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fminout = $D7B3;
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type {Some string types:}
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comstr=string; {Filenames can be long in OS/2.}
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pathstr=string; {String for pathnames.}
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dirstr=string; {String for a directory}
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namestr=string; {String for a filename.}
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extstr=string[40]; {String for an extension. Can be 253
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characters long, in theory, but let's
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say fourty will be enough.}
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{Search record which is used by findfirst and findnext:}
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searchrec=record
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fill:array[1..21] of byte;
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attr:byte;
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time:longint;
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size:longint;
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name:string; {Filenames can be long in OS/2!}
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end;
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{$i filerec.inc}
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{$i textrec.inc}
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{Data structure for the registers needed by msdos and intr:}
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registers=record
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case i:integer of
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0:(ax,f1,bx,f2,cx,f3,dx,f4,bp,f5,si,f51,di,f6,ds,f7,es,
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f8,flags,fs,gs:word);
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1:(al,ah,f9,f10,bl,bh,f11,f12,cl,ch,f13,f14,dl,dh:byte);
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2:(eax,ebx,ecx,edx,ebp,esi,edi:longint);
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end;
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{Record for date and time:}
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datetime=record
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year,month,day,hour,min,sec:word;
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end;
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{Flags for the exec procedure:
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Starting the program:
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efwait: Wait until program terminates.
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efno_wait: Don't wait until the program terminates. Does not work
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in dos, as DOS cannot multitask.
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efoverlay: Terminate this program, then execute the requested
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program. WARNING: Exit-procedures are not called!
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efdebug: Debug program. Details are unknown.
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efsession: Do not execute as child of this program. Use a seperate
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session instead.
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efdetach: Detached. Function unknown. Info wanted!
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efpm: Run as presentation manager program.
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Determining the window state of the program:
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efdefault: Run the pm program in it's default situation.
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efminimize: Run the pm program minimized.
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efmaximize: Run the pm program maximized.
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effullscreen: Run the non-pm program fullscreen.
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efwindowed: Run the non-pm program in a window.
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Other options are not implemented defined because lack of
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knowledge abou what they do.}
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type execrunflags=(efwait,efno_wait,efoverlay,efdebug,efsession,
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efdetach,efpm);
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execwinflags=(efdefault,efminimize,efmaximize,effullscreen,
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efwindowed);
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var doserror:integer;
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dosexitcode:word;
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procedure getdate(var year,month,day,dayofweek:word);
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procedure gettime(var hour,minute,second,sec100:word);
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function dosversion:word;
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procedure setdate(year,month,day:word);
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procedure settime(hour,minute,second,sec100:word);
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procedure getcbreak(var breakvalue:boolean);
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procedure setcbreak(breakvalue:boolean);
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procedure getverify(var verify:boolean);
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procedure setverify(verify : boolean);
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function diskfree(drive:byte):int64;
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function disksize(drive:byte):int64;
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procedure findfirst(const path:pathstr;attr:word;var f:searchRec);
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procedure findnext(var f:searchRec);
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procedure findclose(var f:searchRec);
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{Is a dummy:}
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procedure swapvectors;
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{Not supported:
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procedure getintvec(intno:byte;var vector:pointer);
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procedure setintvec(intno:byte;vector:pointer);
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procedure keep(exitcode:word);
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}
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procedure msdos(var regs:registers);
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procedure intr(intno : byte;var regs:registers);
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procedure getfattr(var f;var attr:word);
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procedure setfattr(var f;attr:word);
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function fsearch(path:pathstr;dirlist:string):pathstr;
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procedure getftime(var f;var time:longint);
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procedure setftime(var f;time:longint);
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procedure packtime (var d:datetime; var time:longint);
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procedure unpacktime (time:longint; var d:datetime);
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function fexpand(const path:pathstr):pathstr;
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procedure fsplit(path:pathstr;var dir:dirstr;var name:namestr;
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var ext:extstr);
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procedure exec(const path:pathstr;const comline:comstr);
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function exec(path:pathstr;runflags:execrunflags;winflags:execwinflags;
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const comline:comstr):longint;
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function envcount:longint;
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function envstr(index:longint) : string;
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function getenv(const envvar:string): string;
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implementation
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uses doscalls;
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{Import syscall to call it nicely from assembler procedures.}
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procedure syscall;external name '___SYSCALL';
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function fsearch(path:pathstr;dirlist:string):pathstr;
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var i,p1:longint;
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s:searchrec;
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newdir:pathstr;
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Handle: cardinal;
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RC, Count: longint;
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FStat: PFileFindBuf3;
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ND: PathStr;
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begin
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{ check if the file specified exists }
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if OS_Mode = osOS2 then
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begin
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New (FStat);
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ND := NewDir + Path;
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Handle := $FFFFFFFF;
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Count := 1;
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RC := DosFindFirst (ND, Handle, $37, FStat, SizeOf (FStat^),
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Count, ilStandard);
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DosFindClose (Handle);
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Dispose (FStat);
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end
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else
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begin
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FindFirst (path,anyfile,s);
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FindClose (s);
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RC := DosError;
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end;
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if RC = 0 then
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FSearch := Path
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else
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begin
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{No wildcards allowed in these things:}
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if (pos('?',path)<>0) or (pos('*',path)<>0) then
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fsearch:=''
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else
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begin
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{ allow slash as backslash }
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for i:=1 to length(dirlist) do
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if dirlist[i]='/' then dirlist[i]:='\';
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repeat
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p1:=pos(';',dirlist);
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if p1<>0 then
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begin
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newdir:=copy(dirlist,1,p1-1);
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delete(dirlist,1,p1);
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end
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else
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begin
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newdir:=dirlist;
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dirlist:='';
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end;
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if (newdir<>'') and
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not (newdir[length(newdir)] in ['\',':']) then
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newdir:=newdir+'\';
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if OS_Mode = osOS2 then
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begin
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New (FStat);
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ND := NewDir + Path;
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Handle := $FFFFFFFF;
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Count := 1;
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RC := DosFindFirst (ND, Handle, $37, FStat,
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SizeOf (FStat^), Count, ilStandard);
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DosFindClose (Handle);
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Dispose (FStat);
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end else
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begin
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FindFirst (newdir+path,anyfile,s);
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RC := DosError;
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FindClose (S);
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end;
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if RC = 0 then
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newdir:=newdir+path
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else
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newdir:='';
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until (dirlist='') or (newdir<>'');
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fsearch:=newdir;
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end;
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end;
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end;
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procedure getftime(var f;var time:longint);
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begin
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asm
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{Load handle}
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movl f,%ebx
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movw (%ebx),%bx
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{Get date}
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movw $0x5700,%ax
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call syscall
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shll $16,%edx
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movw %cx,%dx
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movl time,%ebx
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movl %edx,(%ebx)
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xorb %ah,%ah
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movw %ax,doserror
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end;
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end;
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procedure setftime(var f;time : longint);
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begin
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asm
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{Load handle}
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movl f,%ebx
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movw (%ebx),%bx
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movl time,%ecx
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shldl $16,%ecx,%edx
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{Set date}
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movw $0x5701,%ax
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call syscall
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xorb %ah,%ah
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movw %ax,doserror
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end;
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end;
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procedure msdos(var regs:registers);
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{Not recommended for EMX. Only works in DOS mode, not in OS/2 mode.}
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begin
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intr($21,regs);
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end;
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{$ASMMODE DIRECT}
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procedure intr(intno:byte;var regs:registers);
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{Not recommended for EMX. Only works in DOS mode, not in OS/2 mode.}
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begin
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asm
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.data
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int86:
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.byte 0xcd
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int86_vec:
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.byte 0x03
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jmp int86_retjmp
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.text
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movl 8(%ebp),%eax
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movb %al,int86_vec
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movl 10(%ebp),%eax
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{Do not use first int}
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incl %eax
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incl %eax
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movl 4(%eax),%ebx
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movl 8(%eax),%ecx
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movl 12(%eax),%edx
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movl 16(%eax),%ebp
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movl 20(%eax),%esi
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movl 24(%eax),%edi
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movl (%eax),%eax
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jmp int86
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int86_retjmp:
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pushf
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pushl %ebp
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pushl %eax
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movl %esp,%ebp
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{Calc EBP new}
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addl $12,%ebp
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movl 10(%ebp),%eax
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{Do not use first int}
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incl %eax
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incl %eax
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popl (%eax)
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movl %ebx,4(%eax)
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movl %ecx,8(%eax)
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movl %edx,12(%eax)
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{Restore EBP}
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popl %edx
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movl %edx,16(%eax)
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movl %esi,20(%eax)
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movl %edi,24(%eax)
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{Ignore ES and DS}
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popl %ebx {Flags.}
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movl %ebx,32(%eax)
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{FS and GS too}
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end;
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end;
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{$ASMMODE ATT}
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procedure exec(const path:pathstr;const comline:comstr);
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{Execute a program.}
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begin
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dosexitcode:=exec(path,efwait,efdefault,comline);
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end;
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function exec(path:pathstr;runflags:execrunflags;winflags:execwinflags;
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const comline:comstr):longint;
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{Execute a program. More suitable for OS/2 than the exec above.}
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{512 bytes should be enough to contain the command-line.}
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type bytearray=array[0..8191] of byte;
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Pbytearray=^bytearray;
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execstruc=record
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argofs,envofs,nameofs:pointer;
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argseg,envseg,nameseg:word;
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numarg,sizearg,
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numenv,sizeenv:word;
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mode1,mode2:byte;
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end;
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var args:Pbytearray;
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env:Pbytearray;
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i,j:word;
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es:execstruc;
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esadr:pointer;
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d:dirstr;
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n:namestr;
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e:extstr;
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begin
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getmem(args,512);
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getmem(env,8192);
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j:=1;
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{Now setup the arguments. The first argument should be the program
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name without directory and extension.}
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fsplit(path,d,n,e);
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es.numarg:=1;
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args^[0]:=$80;
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for i:=1 to length(n) do
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begin
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args^[j]:=byte(n[i]);
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inc(j);
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end;
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args^[j]:=0;
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inc(j);
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{Now do the real arguments.}
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i:=1;
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while i<=length(comline) do
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begin
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if comline[i]<>' ' then
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begin
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{Commandline argument found. Copy it.}
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inc(es.numarg);
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args^[j]:=$80;
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inc(j);
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while (i<=length(comline)) and (comline[i]<>' ') do
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begin
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args^[j]:=byte(comline[i]);
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inc(j);
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inc(i);
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end;
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args^[j]:=0;
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inc(j);
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end;
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inc(i);
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end;
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args^[j]:=0;
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inc(j);
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{Commandline ready, now build the environment.
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Oh boy, I always had the opinion that executing a program under Dos
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was a hard job!}
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{$ASMMODE DIRECT}
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asm
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movl env,%edi {Setup destination pointer.}
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movl _envc,%ecx {Load number of arguments in edx.}
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movl _environ,%esi {Load env. strings.}
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xorl %edx,%edx {Count environment size.}
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exa1:
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lodsl {Load a Pchar.}
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xchgl %eax,%ebx
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exa2:
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movb (%ebx),%al {Load a byte.}
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incl %ebx {Point to next byte.}
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stosb {Store it.}
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incl %edx {Increase counter.}
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cmpb $0,%al {Ready ?.}
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jne exa2
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loop exa1 {Next argument.}
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stosb {Store an extra 0 to finish. (AL is now 0).}
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incl %edx
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movl %edx,(24)es {Store environment size.}
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end;
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{$ASMMODE ATT}
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{Environtment ready, now set-up exec structure.}
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es.argofs:=args;
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es.envofs:=env;
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asm
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leal path,%esi
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lodsb
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movzbl %al,%eax
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addl %eax,%esi
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movb $0,(%esi)
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end;
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es.nameofs:=pointer(longint(@path)+1);
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asm
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movw %ss,es.argseg
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movw %ss,es.envseg
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movw %ss,es.nameseg
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end;
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es.sizearg:=j;
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es.numenv:=0;
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{Typecasting of sets in FPC is a bit hard.}
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es.mode1:=byte(runflags);
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es.mode2:=byte(winflags);
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{Now exec the program.}
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asm
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leal es,%edx
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mov $0x7f06,%ax
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call syscall
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xorl %edi,%edi
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jnc .Lexprg1
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xchgl %eax,%edi
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xorl %eax,%eax
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decl %eax
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.Lexprg1:
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movw %di,doserror
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movl %eax,__RESULT
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end;
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|
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freemem(args,512);
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freemem(env,8192);
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{Phew! That's it. This was the most sophisticated procedure to call
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a system function I ever wrote!}
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end;
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|
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function dosversion:word;assembler;
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|
|
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{Returns DOS version in DOS and OS/2 version in OS/2}
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asm
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movb $0x30,%ah
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call syscall
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end;
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|
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procedure getdate(var year,month,day,dayofweek:word);
|
|
|
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begin
|
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asm
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movb $0x2a,%ah
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call syscall
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xorb %ah,%ah
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movl 20(%ebp),%edi
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stosw
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movl 16(%ebp),%edi
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movb %dl,%al
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stosw
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movl 12(%ebp),%edi
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movb %dh,%al
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stosw
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movl 8(%ebp),%edi
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xchgw %ecx,%eax
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stosw
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end;
|
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end;
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|
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procedure setdate(year,month,day : word);
|
|
|
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begin
|
|
{DOS only! You cannot change the system date in OS/2!}
|
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asm
|
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movw 8(%ebp),%cx
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movb 10(%ebp),%dh
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movb 12(%ebp),%dl
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movb $0x2b,%ah
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call syscall
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xorb %ah,%ah
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movw %ax,doserror
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end;
|
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end;
|
|
|
|
procedure gettime(var hour,minute,second,sec100:word);
|
|
|
|
begin
|
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asm
|
|
movb $0x2c,%ah
|
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call syscall
|
|
xorb %ah,%ah
|
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movl 20(%ebp),%edi
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movb %dl,%al
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stosw
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movl 16(%ebp),%edi
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movb %dh,%al
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stosw
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movl 12(%ebp),%edi
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movb %cl,%al
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stosw
|
|
movl 8(%ebp),%edi
|
|
movb %ch,%al
|
|
stosw
|
|
end;
|
|
end;
|
|
|
|
procedure settime(hour,minute,second,sec100:word);
|
|
|
|
begin
|
|
asm
|
|
movb 8(%ebp),%ch
|
|
movb 10(%ebp),%cl
|
|
movb 12(%ebp),%dh
|
|
movb 14(%ebp),%dl
|
|
movb $0x2d,%ah
|
|
call syscall
|
|
xorb %ah,%ah
|
|
movw %ax,doserror
|
|
end;
|
|
end;
|
|
|
|
procedure getcbreak(var breakvalue:boolean);
|
|
|
|
begin
|
|
{! Do not use in OS/2. Also not recommended in DOS. Use
|
|
signal handling instead.}
|
|
asm
|
|
movw $0x3300,%ax
|
|
call syscall
|
|
movl 8(%ebp),%eax
|
|
movb %dl,(%eax)
|
|
end;
|
|
end;
|
|
|
|
procedure setcbreak(breakvalue:boolean);
|
|
|
|
begin
|
|
{! Do not use in OS/2. Also not recommended in DOS. Use
|
|
signal handling instead.}
|
|
asm
|
|
movb 8(%ebp),%dl
|
|
movw $0x3301,%ax
|
|
call syscall
|
|
end;
|
|
end;
|
|
|
|
procedure getverify(var verify:boolean);
|
|
|
|
begin
|
|
{! Do not use in OS/2.}
|
|
asm
|
|
movb $0x54,%ah
|
|
call syscall
|
|
movl 8(%ebp),%edi
|
|
stosb
|
|
end;
|
|
end;
|
|
|
|
procedure setverify(verify:boolean);
|
|
|
|
begin
|
|
{! Do not use in OS/2.}
|
|
asm
|
|
movb 8(%ebp),%al
|
|
movb $0x2e,%ah
|
|
call syscall
|
|
end;
|
|
end;
|
|
|
|
function diskfree(drive:byte):int64;
|
|
|
|
var fi:TFSinfo;
|
|
|
|
begin
|
|
if (os_mode=osDOS) or (os_mode = osDPMI) then
|
|
{Function 36 is not supported in OS/2.}
|
|
asm
|
|
movb 8(%ebp),%dl
|
|
movb $0x36,%ah
|
|
call syscall
|
|
cmpw $-1,%ax
|
|
je .LDISKFREE1
|
|
mulw %cx
|
|
mulw %bx
|
|
shll $16,%edx
|
|
movw %ax,%dx
|
|
xchgl %edx,%eax
|
|
leave
|
|
ret
|
|
.LDISKFREE1:
|
|
cltd
|
|
leave
|
|
ret
|
|
end
|
|
else
|
|
{In OS/2, we use the filesystem information.}
|
|
begin
|
|
doserror:=dosqueryFSinfo(drive,1,FI,sizeof(FI));
|
|
if doserror=0 then
|
|
diskfree:=FI.free_clusters*FI.sectors_per_cluster*
|
|
FI.bytes_per_sector
|
|
else
|
|
diskfree:=-1;
|
|
end;
|
|
end;
|
|
|
|
function disksize(drive:byte):int64;
|
|
|
|
var fi:TFSinfo;
|
|
|
|
begin
|
|
if (os_mode=osDOS) or (os_mode = osDPMI) then
|
|
{Function 36 is not supported in OS/2.}
|
|
asm
|
|
movb 8(%ebp),%dl
|
|
movb $0x36,%ah
|
|
call syscall
|
|
movw %dx,%bx
|
|
cmpw $-1,%ax
|
|
je .LDISKSIZE1
|
|
mulw %cx
|
|
mulw %bx
|
|
shll $16,%edx
|
|
movw %ax,%dx
|
|
xchgl %edx,%eax
|
|
leave
|
|
ret
|
|
.LDISKSIZE1:
|
|
cltd
|
|
leave
|
|
ret
|
|
end
|
|
else
|
|
{In OS/2, we use the filesystem information.}
|
|
begin
|
|
doserror:=dosqueryFSinfo(drive,1,FI,sizeof(FI));
|
|
if doserror=0 then
|
|
disksize:=FI.total_clusters*FI.sectors_per_cluster*
|
|
FI.bytes_per_sector
|
|
else
|
|
disksize:=-1;
|
|
end;
|
|
end;
|
|
|
|
procedure searchrec2dossearchrec(var f:searchrec);
|
|
|
|
const namesize=255;
|
|
|
|
var l,i:longint;
|
|
|
|
begin
|
|
l:=length(f.name);
|
|
for i:=1 to namesize do
|
|
f.name[i-1]:=f.name[i];
|
|
f.name[l]:=#0;
|
|
end;
|
|
|
|
procedure dossearchrec2searchrec(var f : searchrec);
|
|
|
|
const namesize=255;
|
|
|
|
var l,i : longint;
|
|
|
|
begin
|
|
for i:=0 to namesize do
|
|
if f.name[i]=#0 then
|
|
begin
|
|
l:=i;
|
|
break;
|
|
end;
|
|
for i:=namesize-1 downto 0 do
|
|
f.name[i+1]:=f.name[i];
|
|
f.name[0]:=char(l);
|
|
end;
|
|
|
|
procedure findfirst(const path:pathstr;attr:word;var f:searchRec);
|
|
|
|
procedure _findfirst(path:pchar;attr:word;var f:searchrec);
|
|
|
|
begin
|
|
asm
|
|
movl 12(%esp),%edx
|
|
movw 16(%esp),%cx
|
|
{No need to set DTA in EMX. Just give a pointer in ESI.}
|
|
movl 18(%ebp),%esi
|
|
movb $0x4e,%ah
|
|
call syscall
|
|
jnc .LFF
|
|
movw %ax,doserror
|
|
.LFF:
|
|
end;
|
|
end;
|
|
|
|
var path0:array[0..255] of char;
|
|
|
|
begin
|
|
{No error.}
|
|
doserror:=0;
|
|
strPcopy(path0,path);
|
|
_findfirst(path0,attr,f);
|
|
dossearchrec2searchrec(f);
|
|
end;
|
|
|
|
procedure findnext(var f:searchRec);
|
|
|
|
procedure _findnext(var f : searchrec);
|
|
|
|
begin
|
|
asm
|
|
movl 12(%ebp),%esi
|
|
movb $0x4f,%ah
|
|
call syscall
|
|
jnc .LFN
|
|
movw %ax,doserror
|
|
.LFN:
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
{No error}
|
|
doserror:=0;
|
|
searchrec2dossearchrec(f);
|
|
_findnext(f);
|
|
dossearchrec2searchrec(f);
|
|
end;
|
|
|
|
procedure findclose(var f:searchRec);
|
|
begin
|
|
end;
|
|
|
|
procedure swapvectors;
|
|
|
|
{For TP compatibility, this exists.}
|
|
|
|
begin
|
|
end;
|
|
|
|
type PPchar=^Pchar;
|
|
|
|
{$ASMMODE DIRECT}
|
|
|
|
function envs:PPchar;assembler;
|
|
|
|
asm
|
|
movl _environ,%eax
|
|
end ['EAX'];
|
|
|
|
function envcount:longint;assembler;
|
|
|
|
var hp : ppchar;
|
|
|
|
asm
|
|
movl _envc,%eax
|
|
end ['EAX'];
|
|
|
|
{$ASMMODE ATT}
|
|
|
|
function envstr(index : longint) : string;
|
|
|
|
var hp:PPchar;
|
|
|
|
begin
|
|
if (index<=0) or (index>envcount) then
|
|
begin
|
|
envstr:='';
|
|
exit;
|
|
end;
|
|
hp:=PPchar(cardinal(envs)+4*(index-1));
|
|
envstr:=strpas(hp^);
|
|
end;
|
|
|
|
function getenv(const envvar : string) : string;
|
|
|
|
var hs,_envvar : string;
|
|
eqpos,i : longint;
|
|
|
|
begin
|
|
_envvar:=upcase(envvar);
|
|
getenv:='';
|
|
for i:=1 to envcount do
|
|
begin
|
|
hs:=envstr(i);
|
|
eqpos:=pos('=',hs);
|
|
if copy(hs,1,eqpos-1)=_envvar then
|
|
begin
|
|
getenv:=copy(hs,eqpos+1,length(hs)-eqpos);
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure fsplit(path:pathstr;var dir:dirstr;var name:namestr;
|
|
var ext:extstr);
|
|
|
|
var p1,i : longint;
|
|
|
|
begin
|
|
{Get drive name}
|
|
p1:=pos(':',path);
|
|
if p1>0 then
|
|
begin
|
|
dir:=path[1]+':';
|
|
delete(path,1,p1);
|
|
end
|
|
else
|
|
dir:='';
|
|
{ split the path and the name, there are no more path informtions }
|
|
{ if path contains no backslashes }
|
|
while true do
|
|
begin
|
|
p1:=pos('\',path);
|
|
if p1=0 then
|
|
p1:=pos('/',path);
|
|
if p1=0 then
|
|
break;
|
|
dir:=dir+copy(path,1,p1);
|
|
delete(path,1,p1);
|
|
end;
|
|
{Try to find an extension.}
|
|
ext:='';
|
|
for i:=length(path) downto 1 do
|
|
if path[i]='.' then
|
|
begin
|
|
ext:=copy(path,i,high(extstr));
|
|
delete(path,i,length(path)-i+1);
|
|
break;
|
|
end;
|
|
name:=path;
|
|
end;
|
|
|
|
function fexpand(const path:pathstr):pathstr;
|
|
|
|
function get_current_drive:byte;assembler;
|
|
|
|
asm
|
|
movb $0x19,%ah
|
|
call syscall
|
|
end;
|
|
|
|
var s,pa:string;
|
|
i,j:longint;
|
|
|
|
begin
|
|
getdir(0,s);
|
|
pa:=upcase(path);
|
|
{Allow slash as backslash}
|
|
for i:=1 to length(pa) do
|
|
if pa[i]='/' then
|
|
pa[i]:='\';
|
|
if (length(pa)>1) and (pa[1] in ['A'..'Z']) and (pa[2]=':') then
|
|
begin
|
|
{We must get the right directory}
|
|
getdir(byte(pa[1])-byte('A')+1,s);
|
|
if (byte(pa[0])>2) and (pa[3]<>'\') then
|
|
if pa[1]=s[1] then
|
|
pa:=s+'\'+copy (pa,3,length(pa))
|
|
else
|
|
pa:=pa[1]+':\'+copy (pa,3,length(pa))
|
|
end
|
|
else
|
|
if pa[1]='\' then
|
|
pa:=s[1]+':'+pa
|
|
else if s[0]=#3 then
|
|
pa:=s+pa
|
|
else
|
|
pa:=s+'\'+pa;
|
|
{First remove all references to '\.\'}
|
|
i:=pos('\.\',pa);
|
|
while i<>0 do
|
|
begin
|
|
delete(pa,i,2);
|
|
i:=pos('\.\',pa);
|
|
end;
|
|
{Now remove also all references to '\..\' + of course previous dirs..}
|
|
repeat
|
|
i:=pos('\..\',pa);
|
|
if i<>0 then
|
|
begin
|
|
j:=i-1;
|
|
while (j>1) and (pa[j]<>'\') do
|
|
dec(j);
|
|
delete (pa,j,i-j+3);
|
|
end;
|
|
until i=0;
|
|
|
|
{Remove End . and \}
|
|
if (length(pa)>0) and (pa[length(pa)]='.') then
|
|
dec(byte(pa[0]));
|
|
if (length(pa)>0) and (pa[length(pa)]='\') then
|
|
dec(byte(pa[0]));
|
|
fexpand:=pa;
|
|
end;
|
|
|
|
procedure packtime(var d:datetime;var time:longint);
|
|
|
|
var zs:longint;
|
|
|
|
begin
|
|
time:=-1980;
|
|
time:=time+d.year and 127;
|
|
time:=time shl 4;
|
|
time:=time+d.month;
|
|
time:=time shl 5;
|
|
time:=time+d.day;
|
|
time:=time shl 16;
|
|
zs:=d.hour;
|
|
zs:=zs shl 6;
|
|
zs:=zs+d.min;
|
|
zs:=zs shl 5;
|
|
zs:=zs+d.sec div 2;
|
|
time:=time+(zs and $ffff);
|
|
end;
|
|
|
|
procedure unpacktime (time:longint;var d:datetime);
|
|
|
|
begin
|
|
d.sec:=(time and 31) * 2;
|
|
time:=time shr 5;
|
|
d.min:=time and 63;
|
|
time:=time shr 6;
|
|
d.hour:=time and 31;
|
|
time:=time shr 5;
|
|
d.day:=time and 31;
|
|
time:=time shr 5;
|
|
d.month:=time and 15;
|
|
time:=time shr 4;
|
|
d.year:=time+1980;
|
|
end;
|
|
|
|
procedure getfattr(var f;var attr : word);assembler;
|
|
|
|
asm
|
|
movw $0x4300,%ax
|
|
movl f,%edx
|
|
{addl $filerec.name,%edx Doesn't work!!}
|
|
addl $60,%edx
|
|
call syscall
|
|
movl attr,%ebx
|
|
movw %cx,(%ebx)
|
|
end;
|
|
|
|
procedure setfattr(var f;attr : word);assembler;
|
|
|
|
asm
|
|
movw $0x4301,%ax
|
|
movl f,%edx
|
|
{addl $filerec.name,%edx Doesn't work!!}
|
|
addl $60,%edx
|
|
movw attr,%cx
|
|
call syscall
|
|
end;
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.23 2000-04-18 20:30:02 hajny
|
|
* FSearch with given path corrected
|
|
|
|
Revision 1.22 2000/03/12 18:32:17 hajny
|
|
* missing parentheses added
|
|
|
|
Revision 1.21 2000/03/05 19:00:37 hajny
|
|
* DiskFree, DiskSize - int64 result, fix for osDPMI mode
|
|
|
|
Revision 1.20 2000/02/09 16:59:33 peter
|
|
* truncated log
|
|
|
|
Revision 1.19 2000/01/09 20:51:03 hajny
|
|
* FPK changed to FPC
|
|
|
|
Revision 1.18 2000/01/07 16:41:45 daniel
|
|
* copyright 2000
|
|
|
|
Revision 1.17 1999/10/13 12:21:56 daniel
|
|
* OS/2 compiler works again.
|
|
|
|
Revision 1.16 1999/09/13 18:21:02 hajny
|
|
* again didn't manage to read docu for DosFindFirst properly :-(
|
|
|
|
Revision 1.15 1999/09/13 17:56:26 hajny
|
|
* another correction to FSearch fix - mistyping
|
|
|
|
Revision 1.14 1999/09/13 17:35:15 hajny
|
|
* little addition/correction to FSearch fix
|
|
|
|
Revision 1.13 1999/09/09 09:20:43 hajny
|
|
* FSearch under OS/2 fixed
|
|
|
|
}
|