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https://gitlab.com/freepascal.org/fpc/source.git
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719 lines
18 KiB
ObjectPascal
719 lines
18 KiB
ObjectPascal
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2004 by the Free Pascal development team.
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Dos unit for BP7 compatible RTL (novell netware libc)
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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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{$IFNDEF FPC_DOTTEDUNITS}
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unit dos;
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{$ENDIF FPC_DOTTEDUNITS}
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interface
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{$IFDEF FPC_DOTTEDUNITS}
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uses NetwareLibCApi.libc;
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{$ELSE FPC_DOTTEDUNITS}
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uses libc;
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{$ENDIF FPC_DOTTEDUNITS}
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Type
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searchrec = packed record
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DirP : POINTER; { used for opendir }
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EntryP: POINTER; { and readdir }
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Magic : WORD;
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fill : array[1..11] of byte;
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attr : byte;
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time : longint;
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size : longint;
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name : string[255];
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{ Internals used by netware port only: }
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_mask : string[255];
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_dir : string[255];
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_attr : word;
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end;
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{$i dosh.inc}
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{Extra Utils}
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function weekday(y,m,d : longint) : longint;
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implementation
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{$IFDEF FPC_DOTTEDUNITS}
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uses
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System.Strings;
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{$ELSE FPC_DOTTEDUNITS}
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uses
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strings;
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{$ENDIF FPC_DOTTEDUNITS}
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{$DEFINE HAS_GETMSCOUNT}
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{$DEFINE HAS_KEEP}
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{$DEFINE FPC_FEXPAND_DRIVES}
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{$DEFINE FPC_FEXPAND_VOLUMES}
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{$DEFINE FPC_FEXPAND_NO_DEFAULT_PATHS}
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{$i dos.inc}
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{$ASMMODE ATT}
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{*****************************************************************************
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--- Info / Date / Time ---
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******************************************************************************}
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{$PACKRECORDS 4}
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function dosversion : word;
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var i : Tutsname;
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begin
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if Fpuname (i) >= 0 then
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dosversion := WORD (i.netware_minor) SHL 8 + i.netware_major
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else dosversion := $0005;
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end;
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function WeekDay (y,m,d:longint):longint;
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{
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Calculates th day of the week. returns -1 on error
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}
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var
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u,v : longint;
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begin
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if (m<1) or (m>12) or (y<1600) or (y>4000) or
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(d<1) or (d>30+((m+ord(m>7)) and 1)-ord(m=2)) or
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((m*d=58) and (((y mod 4>0) or (y mod 100=0)) and (y mod 400>0))) then
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WeekDay:=-1
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else
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begin
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u:=m;
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v:=y;
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if m<3 then
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begin
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inc(u,12);
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dec(v);
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end;
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WeekDay:=(d+2*u+((3*(u+1)) div 5)+v+(v div 4)-(v div 100)+(v div 400)+1) mod 7;
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end;
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end;
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procedure getdate(var year,month,mday,wday : word);
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var
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t : TTime_t;
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tm : Ttm;
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begin
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time(t); localtime_r(t,tm);
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with tm do
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begin
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year := tm_year+1900;
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month := tm_mon+1;
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mday := tm_mday;
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wday := tm_wday;
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end;
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end;
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procedure setdate(year,month,day : word);
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begin
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end;
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procedure gettime(var hour,minute,second,sec100 : word);
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var
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t : TTime_t;
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tm : Ttm;
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begin
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time(t); localtime_r(t,tm);
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with tm do
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begin
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hour := tm_hour;
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minute := tm_min;
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second := tm_sec;
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sec100 := 0;
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end;
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end;
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procedure settime(hour,minute,second,sec100 : word);
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begin
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end;
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function GetMsCount: int64;
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var
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tv : TimeVal;
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tz : TimeZone;
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begin
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FPGetTimeOfDay (tv, tz);
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GetMsCount := int64 (tv.tv_Sec) * 1000 + tv.tv_uSec div 1000;
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end;
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{******************************************************************************
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--- Exec ---
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******************************************************************************}
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const maxargs=256;
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procedure exec(const path : pathstr;const comline : comstr);
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var c : comstr;
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i : integer;
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args : array[0..maxargs] of PAnsiChar;
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arg0 : pathstr;
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numargs,wstat : integer;
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Wiring : TWiring;
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begin
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if pos ('.',path) = 0 then
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arg0 := fexpand(path+'.nlm'#0) else
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arg0 := fexpand (path)+#0;
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//writeln (stderr,'dos.exec (',path,',',comline,') arg0:"',copy(arg0,1,length(arg0)-1),'"');
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args[0] := @arg0[1];
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numargs := 0;
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c:=comline;
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i:=1;
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while i<=length(c) do
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begin
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if c[i]<>' ' then
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begin
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{Commandline argument found. append #0 and set pointer in args }
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inc(numargs);
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args[numargs]:=@c[i];
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while (i<=length(c)) and (c[i]<>' ') do
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inc(i);
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c[i] := #0;
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end;
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inc(i);
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end;
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args[numargs+1] := nil;
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// i := spawnvp (P_WAIT,args[0],@args);
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Wiring.infd := StdInputHandle; //textrec(Stdin).Handle;
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Wiring.outfd:= textrec(stdout).Handle;
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Wiring.errfd:= textrec(stderr).Handle;
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//writeln (stderr,'calling procve');
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i := procve(args[0],
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PROC_CURRENT_SPACE+PROC_INHERIT_CWD,
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envP, // const AnsiChar * env[] If passed as NULL, the child process inherits the parent.s environment at the time of the call.
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@Wiring, // wiring_t *wiring, Pass NULL to inherit system defaults for wiring.
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nil, // struct fd_set *fds, Not currently implemented. Pass in NULL.
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nil, // void *appdata, Not currently implemented. Pass in NULL.
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0, // size_t appdata_size, Not currently implemented. Pass in 0
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nil, // void *reserved, Reserved. Pass NULL.
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@args); // const AnsiChar *argv[]
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//writeln (stderr,'Ok');
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if i <> -1 then
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begin
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Fpwaitpid(i,@wstat,0);
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doserror := 0;
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lastdosexitcode := wstat;
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end else
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begin
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doserror := 8; // for now, what about errno ?
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end;
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end;
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{******************************************************************************
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--- Disk ---
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******************************************************************************}
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function getvolnum (drive : byte) : longint;
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{var dir : STRING[255];
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P,PS,
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V : LONGINT;}
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begin
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{if drive = 0 then
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begin // get volume name from current directory (i.e. SERVER-NAME/VOL2:TEST)
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getdir (0,dir);
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p := pos (':', dir);
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if p = 0 then
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begin
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getvolnum := -1;
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exit;
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end;
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byte (dir[0]) := p-1;
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dir[p] := #0;
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PS := pos ('/', dir);
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INC (PS);
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if _GetVolumeNumber (@dir[PS], V) <> 0 then
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getvolnum := -1
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else
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getvolnum := V;
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end else
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getvolnum := drive-1;}
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getvolnum := -1;
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end;
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function diskfree(drive : byte) : int64;
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{VAR Buf : ARRAY [0..255] OF AnsiChar;
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TotalBlocks : WORD;
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SectorsPerBlock : WORD;
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availableBlocks : WORD;
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totalDirectorySlots : WORD;
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availableDirSlots : WORD;
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volumeisRemovable : WORD;
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volumeNumber : LONGINT;}
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begin
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// volumeNumber := getvolnum (drive);
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(*
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if volumeNumber >= 0 then
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begin
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{i think thats not the right function but for others i need a connection handle}
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if _GetVolumeInfoWithNumber (byte(volumeNumber),@Buf,
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TotalBlocks,
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SectorsPerBlock,
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availableBlocks,
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totalDirectorySlots,
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availableDirSlots,
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volumeisRemovable) = 0 THEN
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begin
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diskfree := int64 (availableBlocks) * int64 (SectorsPerBlock) * 512;
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end else
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diskfree := 0;
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end else*)
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diskfree := 0;
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end;
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function disksize(drive : byte) : int64;
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{VAR Buf : ARRAY [0..255] OF AnsiChar;
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TotalBlocks : WORD;
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SectorsPerBlock : WORD;
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availableBlocks : WORD;
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totalDirectorySlots : WORD;
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availableDirSlots : WORD;
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volumeisRemovable : WORD;
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volumeNumber : LONGINT;}
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begin
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(*
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volumeNumber := getvolnum (drive);
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if volumeNumber >= 0 then
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begin
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{i think thats not the right function but for others i need a connection handle}
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if _GetVolumeInfoWithNumber (byte(volumeNumber),@Buf,
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TotalBlocks,
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SectorsPerBlock,
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availableBlocks,
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totalDirectorySlots,
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availableDirSlots,
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volumeisRemovable) = 0 THEN
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begin
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disksize := int64 (TotalBlocks) * int64 (SectorsPerBlock) * 512;
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end else
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disksize := 0;
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end else*)
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disksize := 0;
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end;
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{******************************************************************************
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--- Utils ---
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******************************************************************************}
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procedure timet2dostime (timet:longint; var dostime : longint);
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var tm : Ttm;
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begin
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localtime_r(timet,tm);
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dostime:=(tm.tm_sec shr 1)+(tm.tm_min shl 5)+(tm.tm_hour shl 11)+(tm.tm_mday shl 16)+((tm.tm_mon+1) shl 21)+((tm.tm_year+1900-1980) shl 25);
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end;
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function nwattr2dosattr (nwattr : longint) : word;
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begin
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nwattr2dosattr := 0;
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if nwattr and M_A_RDONLY > 0 then nwattr2dosattr := nwattr2dosattr + readonly;
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if nwattr and M_A_HIDDEN > 0 then nwattr2dosattr := nwattr2dosattr + hidden;
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if nwattr and M_A_SYSTEM > 0 then nwattr2dosattr := nwattr2dosattr + sysfile;
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if nwattr and M_A_SUBDIR > 0 then nwattr2dosattr := nwattr2dosattr + directory;
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if nwattr and M_A_ARCH > 0 then nwattr2dosattr := nwattr2dosattr + archive;
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end;
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{******************************************************************************
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--- Findfirst FindNext ---
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******************************************************************************}
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{returns true if attributes match}
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function find_setfields (var f : searchRec) : boolean;
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var
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StatBuf : TStat;
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fname : string[255];
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begin
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find_setfields := false;
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with F do
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begin
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if Magic = $AD01 then
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begin
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attr := nwattr2dosattr (Pdirent(EntryP)^.d_mode);
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size := Pdirent(EntryP)^.d_size;
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name := strpas (Pdirent(EntryP)^.d_name);
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doserror := 0;
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fname := f._dir + f.name;
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if length (fname) = 255 then dec (byte(fname[0]));
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fname := fname + #0;
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if Fpstat (@fname[1],StatBuf) = 0 then
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timet2dostime (StatBuf.st_mtim.tv_sec, time)
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else
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time := 0;
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if (f._attr and hidden) = 0 then
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if attr and hidden > 0 then exit;
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if (f._attr and Directory) = 0 then
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if attr and Directory > 0 then exit;
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if (f._attr and SysFile) = 0 then
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if attr and SysFile > 0 then exit;
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find_setfields := true;
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end else
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begin
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FillChar (f,sizeof(f),0);
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doserror := 18;
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end;
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end;
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end;
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procedure findfirst(const path : pathstr;attr : word;var f : searchRec);
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var
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path0 : array[0..256] of AnsiChar;
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p : longint;
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begin
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IF path = '' then
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begin
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doserror := 18;
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exit;
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end;
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f._attr := attr;
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p := length (path);
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while (p > 0) and (not (path[p] in AllowDirectorySeparators)) do
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dec (p);
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if p > 0 then
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begin
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f._mask := copy (path,p+1,255);
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f._dir := copy (path,1,p);
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strpcopy(path0,f._dir);
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end else
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begin
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f._mask := path;
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getdir (0,f._dir);
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if (f._dir[length(f._dir)] <> '/') and
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(f._dir[length(f._dir)] <> '\') then
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f._dir := f._dir + '/';
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strpcopy(path0,f._dir);
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end;
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if f._mask = '*' then f._mask := '';
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if f._mask = '*.*' then f._mask := '';
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//writeln (stderr,'mask: "',f._mask,'" dir:"',path0,'"');
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f._mask := f._mask + #0;
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Pdirent(f.DirP) := opendir (path0);
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if f.DirP = nil then
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doserror := 18
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else begin
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F.Magic := $AD01;
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findnext (f);
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end;
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end;
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procedure findnext(var f : searchRec);
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begin
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if F.Magic <> $AD01 then
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begin
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doserror := 18;
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exit;
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end;
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doserror:=0;
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repeat
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Pdirent(f.EntryP) := readdir (Pdirent(f.DirP));
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if F.EntryP = nil then
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doserror := 18
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else
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if find_setfields (f) then
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begin
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if f._mask = #0 then exit;
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if fnmatch(@f._mask[1],Pdirent(f.EntryP)^.d_name,FNM_CASEFOLD) = 0 then
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exit;
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end;
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until doserror <> 0;
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end;
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Procedure FindClose(Var f: SearchRec);
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begin
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if F.Magic <> $AD01 then
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begin
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doserror := 18;
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EXIT;
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end;
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doserror:=0;
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closedir (Pdirent(f.DirP));
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f.Magic := 0;
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f.DirP := NIL;
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f.EntryP := NIL;
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end;
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{******************************************************************************
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--- File ---
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******************************************************************************}
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Function FSearch(path: pathstr; dirlist: string): pathstr;
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var
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p1 : longint;
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s : searchrec;
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newdir : pathstr;
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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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begin
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fsearch:='';
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exit;
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end;
|
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{ check if the file specified exists }
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findfirst(path,anyfile and not(directory),s);
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if doserror=0 then
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begin
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findclose(s);
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fsearch:=path;
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exit;
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end;
|
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findclose(s);
|
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{ allow backslash as slash }
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DoDirSeparators(dirlist);
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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 (not (newdir[length(newdir)] in [DirectorySeparator,DriveSeparator])) then
|
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newdir:=newdir+DirectorySeparator;
|
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findfirst(newdir+path,anyfile and not(directory),s);
|
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if doserror=0 then
|
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newdir:=newdir+path
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else
|
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newdir:='';
|
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findclose(s);
|
|
until (dirlist='') or (newdir<>'');
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fsearch:=newdir;
|
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end;
|
|
|
|
|
|
{******************************************************************************
|
|
--- Get/Set File Time,Attr ---
|
|
******************************************************************************}
|
|
|
|
|
|
procedure getftime(var f;var time : longint);
|
|
var
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|
StatBuf : TStat;
|
|
begin
|
|
doserror := 0;
|
|
if Fpfstat (filerec (f).handle, StatBuf) = 0 then
|
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timet2dostime (StatBuf.st_mtim.tv_sec,time)
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|
else begin
|
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time := 0;
|
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doserror := ___errno^;
|
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end;
|
|
end;
|
|
|
|
|
|
procedure setftime(var f;time : longint);
|
|
Var
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|
utim: utimbuf;
|
|
DT: DateTime;
|
|
path: pathstr;
|
|
tm : TTm;
|
|
Begin
|
|
doserror:=0;
|
|
with utim do
|
|
begin
|
|
actime:=libc.time(nil); // getepochtime;
|
|
UnPackTime(Time,DT);
|
|
with tm do
|
|
begin
|
|
tm_sec := DT.Sec; // seconds after the minute [0..59]
|
|
tm_min := DT.Min; // minutes after the hour [0..59]
|
|
tm_hour := DT.hour; // hours since midnight [0..23]
|
|
tm_mday := DT.Day; // days of the month [1..31]
|
|
tm_mon := DT.month-1; // months since January [0..11]
|
|
tm_year := DT.year-1900;
|
|
tm_wday := -1;
|
|
tm_yday := -1;
|
|
tm_isdst := -1;
|
|
end;
|
|
modtime:=mktime(tm);
|
|
end;
|
|
if utime(@filerec(f).name,utim)<0 then
|
|
begin
|
|
Time:=0;
|
|
doserror:=3;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure getfattr(var f;var attr : word);
|
|
var
|
|
StatBuf : TStat;
|
|
{$ifndef FPC_ANSI_TEXTFILEREC}
|
|
r: rawbytestring;
|
|
{$endif not FPC_ANSI_TEXTFILEREC}
|
|
p: PAnsiChar;
|
|
begin
|
|
doserror := 0;
|
|
{$ifdef FPC_ANSI_TEXTFILEREC}
|
|
p := @filerec(f).name;
|
|
{$else FPC_ANSI_TEXTFILEREC}
|
|
r := ToSingleByteFileSystemEncodedFileName(filerec(f).name);
|
|
p := PAnsiChar(r);
|
|
{$endif FPC_ANSI_TEXTFILEREC}
|
|
if Fpstat (p, StatBuf) = 0 then
|
|
attr := nwattr2dosattr (StatBuf.st_mode)
|
|
else
|
|
begin
|
|
attr := 0;
|
|
doserror := ___errno^;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure setfattr(var f;attr : word);
|
|
var
|
|
StatBuf : TStat;
|
|
newMode : longint;
|
|
{$ifndef FPC_ANSI_TEXTFILEREC}
|
|
r: rawbytestring;
|
|
{$endif not FPC_ANSI_TEXTFILEREC}
|
|
p: PAnsiChar;
|
|
begin
|
|
{$ifdef FPC_ANSI_TEXTFILEREC}
|
|
p := @filerec(f).name;
|
|
{$else FPC_ANSI_TEXTFILEREC}
|
|
r := ToSingleByteFileSystemEncodedFileName(filerec(f).name);
|
|
p := PAnsiChar(r);
|
|
{$endif FPC_ANSI_TEXTFILEREC}
|
|
if Fpstat (p,StatBuf) = 0 then
|
|
begin
|
|
newmode := StatBuf.st_mode and ($FFFF0000 - M_A_RDONLY-M_A_HIDDEN-M_A_SYSTEM-M_A_ARCH); {only this can be set by dos unit}
|
|
newmode := newmode or M_A_BITS_SIGNIFICANT; {set netware attributes}
|
|
if attr and readonly > 0 then
|
|
newmode := newmode or M_A_RDONLY;
|
|
if attr and hidden > 0 then
|
|
newmode := newmode or M_A_HIDDEN;
|
|
if attr and sysfile > 0 then
|
|
newmode := newmode or M_A_SYSTEM;
|
|
if attr and archive > 0 then
|
|
newmode := newmode or M_A_ARCH;
|
|
if Fpchmod (@textrec(f).name,newMode) < 0 then
|
|
doserror := ___errno^ else
|
|
doserror := 0;
|
|
end else
|
|
doserror := ___errno^;
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
--- Environment ---
|
|
******************************************************************************}
|
|
|
|
Function EnvCount: Longint;
|
|
var
|
|
envcnt : longint;
|
|
p : PPAnsiChar;
|
|
Begin
|
|
envcnt:=0;
|
|
p:=envp; {defined in system}
|
|
while (p^<>nil) do
|
|
begin
|
|
inc(envcnt);
|
|
inc(p);
|
|
end;
|
|
EnvCount := envcnt
|
|
End;
|
|
|
|
|
|
Function EnvStr (Index: longint): String;
|
|
Var
|
|
i : longint;
|
|
p : PPAnsiChar;
|
|
Begin
|
|
if Index <= 0 then
|
|
envstr:=''
|
|
else
|
|
begin
|
|
p:=envp; {defined in system}
|
|
i:=1;
|
|
while (i<Index) and (p^<>nil) do
|
|
begin
|
|
inc(i);
|
|
inc(p);
|
|
end;
|
|
if p=nil then
|
|
envstr:=''
|
|
else
|
|
envstr:=strpas(p^)
|
|
end;
|
|
end;
|
|
|
|
|
|
{ works fine (at least with netware 6.5) }
|
|
Function GetEnv(envvar: string): string;
|
|
var envvar0 : array[0..512] of AnsiChar;
|
|
p : PAnsiChar;
|
|
SearchElement : string[255];
|
|
i,isDosPath,res : longint;
|
|
begin
|
|
if upcase(envvar) = 'PATH' then
|
|
begin // netware does not have search paths in the environment var PATH
|
|
// return it here (needed for the compiler)
|
|
GetEnv := '';
|
|
i := 1;
|
|
res := GetSearchPathElement (i, isdosPath, @SearchElement[0]);
|
|
while res = 0 do
|
|
begin
|
|
if isDosPath = 0 then
|
|
begin
|
|
if GetEnv <> '' then GetEnv := GetEnv + ';';
|
|
GetEnv := GetEnv + SearchElement;
|
|
end;
|
|
inc (i);
|
|
res := GetSearchPathElement (i, isdosPath, @SearchElement[0]);
|
|
end;
|
|
DoDirSeparators(getenv);
|
|
end else
|
|
begin
|
|
strpcopy(envvar0,envvar);
|
|
p := libc.getenv (envvar0);
|
|
if p = NIL then
|
|
GetEnv := ''
|
|
else
|
|
GetEnv := strpas (p);
|
|
end;
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
--- Not Supported ---
|
|
******************************************************************************}
|
|
|
|
Procedure keep(exitcode : word);
|
|
Begin
|
|
{ simply wait until nlm will be unloaded }
|
|
while true do delay (60000);
|
|
End;
|
|
|
|
|
|
end.
|