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@@ -0,0 +1,2670 @@
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+{
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+ $Id$
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+ This file is part of the Free Pascal run time library.
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+ Copyright (c) 1999-2000 by Michael Van Canneyt,
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+ BSD parts (c) 2000 by Marco van de Voort
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+ members of the Free Pascal development team.
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+
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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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+
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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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+**********************************************************************}
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+Unit Unix;
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+Interface
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+
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+{ Get Types and Constants }
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+{$i sysconst.inc}
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+{$i systypes.inc}
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+
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+{ Get System call numbers and error-numbers}
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+{$i sysnr.inc}
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+{$i errno.inc}
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+{$I signal.inc}
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+
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+var
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+ ErrNo,
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+ LinuxError : Longint;
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+
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+
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+{********************
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+ Process
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+********************}
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+const
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+ {Checked for BSD using Linuxthreads port}
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+ { cloning flags }
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+ CSIGNAL = $000000ff; // signal mask to be sent at exit
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+ CLONE_VM = $00000100; // set if VM shared between processes
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+ CLONE_FS = $00000200; // set if fs info shared between processes
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+ CLONE_FILES = $00000400; // set if open files shared between processes
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+ CLONE_SIGHAND = $00000800; // set if signal handlers shared
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+ CLONE_PID = $00001000; // set if pid shared
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+type
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+ TCloneFunc=function(args:pointer):longint;cdecl;
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+
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+const
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+ { For getting/setting priority }
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+ Prio_Process = 0;
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+ Prio_PGrp = 1;
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+ Prio_User = 2;
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+
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+ WNOHANG = $1;
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+ WUNTRACED = $2;
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+ __WCLONE = $80000000;
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+
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+
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+{********************
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+ File
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+********************}
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+
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+Const
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+ P_IN = 1;
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+ P_OUT = 2;
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+
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+Const
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+ LOCK_SH = 1;
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+ LOCK_EX = 2;
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+ LOCK_UN = 8;
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+ LOCK_NB = 4;
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+
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+
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+Type
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+ Tpipe = array[1..2] of longint;
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+
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+ pglob = ^tglob;
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+ tglob = record
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+ name : pchar;
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+ next : pglob;
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+ end;
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+
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+ ComStr = String[255];
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+ PathStr = String[255];
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+ DirStr = String[255];
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+ NameStr = String[255];
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+ ExtStr = String[255];
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+
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+const
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+
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+ { For testing access rights }
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+ R_OK = 4;
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+ W_OK = 2;
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+ X_OK = 1;
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+ F_OK = 0;
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+
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+ { For File control mechanism }
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+ F_GetFd = 1;
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+ F_SetFd = 2;
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+ F_GetFl = 3;
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+ F_SetFl = 4;
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+ F_GetLk = 5;
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+ F_SetLk = 6;
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+ F_SetLkW = 7;
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+ F_GetOwn = 8;
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+ F_SetOwn = 9;
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+
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+{********************
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+ IOCtl(TermIOS)
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+********************}
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+
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+{Is too freebsd/Linux specific}
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+
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+{$I termios.inc}
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+
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+{********************
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+ Info
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+********************}
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+
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+Type
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+
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+ UTimBuf = packed record{in BSD array[0..1] of timeval, but this is
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+ backwards compatible with linux version}
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+ actime,
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+ {$ifdef BSD}
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+ uactime, {BSD Micro seconds}
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+ {$endif}
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+ modtime
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+ {$ifdef BSD}
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+ ,
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+ umodtime {BSD Micro seconds}
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+ {$endif}
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+ : longint;
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+ end;
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+ UTimeBuf=UTimBuf;
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+ TUTimeBuf=UTimeBuf;
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+ PUTimeBuf=^UTimeBuf;
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+
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+ TSysinfo = packed record
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+ uptime : longint;
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+ loads : array[1..3] of longint;
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+ totalram,
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+ freeram,
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+ sharedram,
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+ bufferram,
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+ totalswap,
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+ freeswap : longint;
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+ procs : integer;
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+ s : string[18];
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+ end;
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+ PSysInfo = ^TSysInfo;
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+
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+{******************************************************************************
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+ Procedure/Functions
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+******************************************************************************}
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+
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+{$ifdef bsd}
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+function Do_SysCall(sysnr:longint):longint;
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+function Do_Syscall(sysnr,param1:integer):longint;
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+function Do_SysCall(sysnr,param1:LONGINT):longint;
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+function Do_SysCall(sysnr,param1,param2:LONGINT):longint;
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+function Do_SysCall(sysnr,param1,param2,param3:LONGINT):longint;
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+function Do_SysCall(sysnr,param1,param2,param3,param4:LONGINT):longint;
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+function Do_SysCall(sysnr,param1,param2,param3,param4,param5:LONGINT):longint;
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+function Do_SysCall(sysnr,param1,param2,param3,param4,param5,param6:LONGINT):longint;
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+function Do_SysCall(sysnr,param1,param2,param3,param4,param5,param6,param7:LONGINT):longint;
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+{$else}
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+Function SysCall(callnr:longint;var regs:SysCallregs):longint;
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+{$endif}
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+
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+{**************************
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+ Time/Date Handling
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+***************************}
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+
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+var
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+ tzdaylight : boolean;
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+ tzseconds : longint;
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+ tzname : array[boolean] of pchar;
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+
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+{ timezone support }
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+procedure GetLocalTimezone(timer:longint;var leap_correct,leap_hit:longint);
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+procedure GetLocalTimezone(timer:longint);
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+procedure ReadTimezoneFile(fn:string);
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+function GetTimezoneFile:string;
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+
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+Procedure GetTimeOfDay(var tv:timeval);
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+Function GetTimeOfDay:longint;
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+{$ifndef bsd}
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+Function GetEpochTime: longint;
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+{$endif}
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+Procedure EpochToLocal(epoch:longint;var year,month,day,hour,minute,second:Word);
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+Function LocalToEpoch(year,month,day,hour,minute,second:Word):Longint;
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+procedure GetTime(var hour,min,sec,msec,usec:word);
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+procedure GetTime(var hour,min,sec,sec100:word);
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+procedure GetTime(var hour,min,sec:word);
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+Procedure GetDate(Var Year,Month,Day:Word);
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+Procedure GetDateTime(Var Year,Month,Day,hour,minute,second:Word);
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+
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+{**************************
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+ Process Handling
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+***************************}
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+
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+function CreateShellArgV(const prog:string):ppchar;
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+function CreateShellArgV(const prog:Ansistring):ppchar;
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+Procedure Execve(Path:pathstr;args:ppchar;ep:ppchar);
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+Procedure Execve(path:pchar;args:ppchar;ep:ppchar);
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+Procedure Execv(const path:pathstr;args:ppchar);
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+Procedure Execvp(Path:Pathstr;Args:ppchar;Ep:ppchar);
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+Procedure Execl(const Todo:string);
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+Procedure Execle(Todo:string;Ep:ppchar);
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+Procedure Execlp(Todo:string;Ep:ppchar);
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+Function Shell(const Command:String):Longint;
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+Function Shell(const Command:AnsiString):Longint;
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+Function Fork:longint;
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+{Clone for FreeBSD is copied from the LinuxThread port, and rfork based}
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+function Clone(func:TCloneFunc;sp:pointer;flags:longint;args:pointer):longint;
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+Procedure ExitProcess(val:longint);
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+Function WaitPid(Pid:longint;Status:pointer;Options:longint):Longint;
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+Procedure Nice(N:integer);
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+{$ifdef bsd}
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+Function GetPriority(Which,Who:longint):longint;
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+procedure SetPriority(Which,Who,What:longint);
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+{$else}
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+Function GetPriority(Which,Who:Integer):integer;
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+Procedure SetPriority(Which:Integer;Who:Integer;What:Integer);
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+{$endif}
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+
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+Function GetPid:LongInt;
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+Function GetPPid:LongInt;
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+Function GetUid:Longint;
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+Function GetEUid:Longint;
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+Function GetGid:Longint;
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+Function GetEGid:Longint;
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+
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+{**************************
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+ File Handling
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+***************************}
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+
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+Function fdOpen(pathname:string;flags:longint):longint;
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+Function fdOpen(pathname:string;flags,mode:longint):longint;
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+Function fdOpen(pathname:pchar;flags:longint):longint;
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+Function fdOpen(pathname:pchar;flags,mode:longint):longint;
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+Function fdClose(fd:longint):boolean;
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+Function fdRead(fd:longint;var buf;size:longint):longint;
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+Function fdWrite(fd:longint;var buf;size:longint):longint;
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+Function fdTruncate(fd,size:longint):boolean;
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+Function fdSeek (fd,pos,seektype :longint): longint;
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+Function fdFlush (fd : Longint) : Boolean;
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+Function Link(OldPath,NewPath:pathstr):boolean;
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+Function SymLink(OldPath,NewPath:pathstr):boolean;
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+{$ifndef bsd}
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+Function ReadLink(name,linkname:pchar;maxlen:longint):longint;
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+Function ReadLink(name:pathstr):pathstr;
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+{$endif}
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+Function UnLink(Path:pathstr):boolean;
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+Function UnLink(Path:pchar):Boolean;
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+Function FReName (OldName,NewName : Pchar) : Boolean;
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+Function FReName (OldName,NewName : String) : Boolean;
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+Function Chown(path:pathstr;NewUid,NewGid:longint):boolean;
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+Function Chmod(path:pathstr;Newmode:longint):boolean;
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+Function Utime(path:pathstr;utim:utimebuf):boolean;
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+{$ifdef BSD}
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+Function Access(Path:Pathstr ;mode:longint):boolean;
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+{$else}
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+Function Access(Path:Pathstr ;mode:integer):boolean;
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+{$endif}
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+Function Umask(Mask:Integer):integer;
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+Function Flock (fd,mode : longint) : boolean;
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+Function Flock (var T : text;mode : longint) : boolean;
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+Function Flock (var F : File;mode : longint) : boolean;
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+Function FStat(Path:Pathstr;Var Info:stat):Boolean;
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+Function FStat(Fd:longint;Var Info:stat):Boolean;
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+Function FStat(var F:Text;Var Info:stat):Boolean;
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+Function FStat(var F:File;Var Info:stat):Boolean;
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+Function Lstat(Filename: PathStr;var Info:stat):Boolean;
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+Function FSStat(Path:Pathstr;Var Info:statfs):Boolean;
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+Function FSStat(Fd: Longint;Var Info:statfs):Boolean;
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+{$ifdef bsd}
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+Function Fcntl(Fd:longint;Cmd:longint):longint;
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+Procedure Fcntl(Fd:longint;Cmd:longint;Arg:Longint);
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+Function Fcntl(var Fd:Text;Cmd:longint):longint;
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+Procedure Fcntl(var Fd:Text;Cmd:longint;Arg:Longint);
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+{$else}
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+Function Fcntl(Fd:longint;Cmd:Integer):integer;
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+Procedure Fcntl(Fd:longint;Cmd:Integer;Arg:Longint);
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+Function Fcntl(var Fd:Text;Cmd:Integer):integer;
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+Procedure Fcntl(var Fd:Text;Cmd:Integer;Arg:Longint);
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+{$endif}
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+Function Dup(oldfile:longint;var newfile:longint):Boolean;
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+Function Dup(var oldfile,newfile:text):Boolean;
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+Function Dup(var oldfile,newfile:file):Boolean;
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+Function Dup2(oldfile,newfile:longint):Boolean;
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+Function Dup2(var oldfile,newfile:text):Boolean;
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+Function Dup2(var oldfile,newfile:file):Boolean;
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+Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:PTimeVal):longint;
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+Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:Longint):longint;
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+Function SelectText(var T:Text;TimeOut :PTimeVal):Longint;
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+
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+{**************************
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+ Directory Handling
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+***************************}
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+
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+Function OpenDir(f:pchar):pdir;
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+Function OpenDir(f: String):pdir;
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+function CloseDir(p:pdir):integer;
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+Function ReadDir(p:pdir):pdirent;
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+procedure SeekDir(p:pdir;off:longint);
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+function TellDir(p:pdir):longint;
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+
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+{**************************
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+ Pipe/Fifo/Stream
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+***************************}
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+
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+Function AssignPipe(var pipe_in,pipe_out:longint):boolean;
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+Function AssignPipe(var pipe_in,pipe_out:text):boolean;
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+Function AssignPipe(var pipe_in,pipe_out:file):boolean;
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+Function PClose(Var F:text) : longint;
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+Function PClose(Var F:file) : longint;
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+Procedure POpen(var F:text;const Prog:String;rw:char);
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+Procedure POpen(var F:file;const Prog:String;rw:char);
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+
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+Function mkFifo(pathname:string;mode:longint):boolean;
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+
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+function AssignStream(Var StreamIn,Streamout:text;Const Prog:String) : longint;
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+function AssignStream(var StreamIn, StreamOut, StreamErr: Text; const prog: String): LongInt;
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+
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+{**************************
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+ General information
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+***************************}
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+
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+Function GetEnv(P:string):Pchar;
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+
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+{$ifndef BSD}
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+Function GetDomainName:String;
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+Function GetHostName:String;
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+Function Sysinfo(var Info:TSysinfo):Boolean;
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+Function Uname(var unamerec:utsname):Boolean;
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+{$endif}
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+{**************************
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+ Signal
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+***************************}
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+
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+Procedure SigAction(Signum:longint;Act,OldAct:PSigActionRec );
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+Procedure SigProcMask (How:longint;SSet,OldSSet:PSigSet);
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+Function SigPending:SigSet;
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+Procedure SigSuspend(Mask:Sigset);
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+Function Signal(Signum:longint;Handler:SignalHandler):SignalHandler;
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+Function Kill(Pid:longint;Sig:longint):integer;
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+Procedure SigRaise(Sig:integer);
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+{$ifndef BSD}
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+Function Alarm(Sec : Longint) : longint;
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+Procedure Pause;
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+{$endif}
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+Function NanoSleep(const req : timespec;var rem : timespec) : longint;
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+
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+{**************************
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+ IOCtl/Termios Functions
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+***************************}
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+
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+Function IOCtl(Handle,Ndx: Longint;Data: Pointer):boolean;
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+Function TCGetAttr(fd:longint;var tios:TermIOS):boolean;
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+Function TCSetAttr(fd:longint;OptAct:longint;var tios:TermIOS):boolean;
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+Procedure CFSetISpeed(var tios:TermIOS;speed:Longint);
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+Procedure CFSetOSpeed(var tios:TermIOS;speed:Longint);
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+Procedure CFMakeRaw(var tios:TermIOS);
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+Function TCSendBreak(fd,duration:longint):boolean;
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+Function TCSetPGrp(fd,id:longint):boolean;
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+Function TCGetPGrp(fd:longint;var id:longint):boolean;
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+Function TCFlush(fd,qsel:longint):boolean;
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+Function TCDrain(fd:longint):boolean;
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+Function TCFlow(fd,act:longint):boolean;
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+Function IsATTY(Handle:Longint):Boolean;
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+Function IsATTY(f:text):Boolean;
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+function TTYname(Handle:Longint):string;
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+function TTYname(var F:Text):string;
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+
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+{**************************
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+ Memory functions
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+***************************}
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+
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+const
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+ PROT_READ = $1; { page can be read }
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+ PROT_WRITE = $2; { page can be written }
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+ PROT_EXEC = $4; { page can be executed }
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+ PROT_NONE = $0; { page can not be accessed }
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+
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+ MAP_SHARED = $1; { Share changes }
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|
+ MAP_PRIVATE = $2; { Changes are private }
|
|
|
+ MAP_TYPE = $f; { Mask for type of mapping }
|
|
|
+ MAP_FIXED = $10; { Interpret addr exactly }
|
|
|
+ MAP_ANONYMOUS = $20; { don't use a file }
|
|
|
+
|
|
|
+ MAP_GROWSDOWN = $100; { stack-like segment }
|
|
|
+ MAP_DENYWRITE = $800; { ETXTBSY }
|
|
|
+ MAP_EXECUTABLE = $1000; { mark it as an executable }
|
|
|
+ MAP_LOCKED = $2000; { pages are locked }
|
|
|
+ MAP_NORESERVE = $4000; { don't check for reservations }
|
|
|
+
|
|
|
+type
|
|
|
+ tmmapargs=record
|
|
|
+ address : longint;
|
|
|
+ size : longint;
|
|
|
+ prot : longint;
|
|
|
+ flags : longint;
|
|
|
+ fd : longint;
|
|
|
+ offset : longint;
|
|
|
+ end;
|
|
|
+
|
|
|
+function MMap(const m:tmmapargs):longint;
|
|
|
+function MUnMap (P : Pointer; Size : Longint) : Boolean;
|
|
|
+
|
|
|
+{**************************
|
|
|
+ Port IO functions
|
|
|
+***************************}
|
|
|
+
|
|
|
+{$ifndef BSD}
|
|
|
+Function IOperm (From,Num : Cardinal; Value : Longint) : boolean;
|
|
|
+{$IFDEF I386}
|
|
|
+Procedure WritePort (Port : Longint; Value : Byte);
|
|
|
+Procedure WritePort (Port : Longint; Value : Word);
|
|
|
+Procedure WritePort (Port : Longint; Value : Longint);
|
|
|
+Procedure WritePortB (Port : Longint; Value : Byte);
|
|
|
+Procedure WritePortW (Port : Longint; Value : Word);
|
|
|
+Procedure WritePortL (Port : Longint; Value : Longint);
|
|
|
+Procedure WritePortL (Port : Longint; Var Buf; Count: longint);
|
|
|
+Procedure WritePortW (Port : Longint; Var Buf; Count: longint);
|
|
|
+Procedure WritePortB (Port : Longint; Var Buf; Count: longint);
|
|
|
+Procedure ReadPort (Port : Longint; Var Value : Byte);
|
|
|
+Procedure ReadPort (Port : Longint; Var Value : Word);
|
|
|
+Procedure ReadPort (Port : Longint; Var Value : Longint);
|
|
|
+function ReadPortB (Port : Longint): Byte;
|
|
|
+function ReadPortW (Port : Longint): Word;
|
|
|
+function ReadPortL (Port : Longint): LongInt;
|
|
|
+Procedure ReadPortL (Port : Longint; Var Buf; Count: longint);
|
|
|
+Procedure ReadPortW (Port : Longint; Var Buf; Count: longint);
|
|
|
+Procedure ReadPortB (Port : Longint; Var Buf; Count: longint);
|
|
|
+{$endif}
|
|
|
+{$endif}
|
|
|
+
|
|
|
+{**************************
|
|
|
+ Utility functions
|
|
|
+***************************}
|
|
|
+
|
|
|
+Function Octal(l:longint):longint;
|
|
|
+Function FExpand(Const Path: PathStr):PathStr;
|
|
|
+Function FSearch(const path:pathstr;dirlist:string):pathstr;
|
|
|
+Procedure FSplit(const Path:PathStr;Var Dir:DirStr;Var Name:NameStr;Var Ext:ExtStr);
|
|
|
+Function Dirname(Const path:pathstr):pathstr;
|
|
|
+Function Basename(Const path:pathstr;Const suf:pathstr):pathstr;
|
|
|
+Function FNMatch(const Pattern,Name:string):Boolean;
|
|
|
+Function Glob(Const path:pathstr):pglob;
|
|
|
+Procedure Globfree(var p:pglob);
|
|
|
+Function StringToPPChar(Var S:STring):ppchar;
|
|
|
+Function GetFS(var T:Text):longint;
|
|
|
+Function GetFS(Var F:File):longint;
|
|
|
+{Filedescriptorsets}
|
|
|
+Procedure FD_Zero(var fds:fdSet);
|
|
|
+Procedure FD_Clr(fd:longint;var fds:fdSet);
|
|
|
+Procedure FD_Set(fd:longint;var fds:fdSet);
|
|
|
+Function FD_IsSet(fd:longint;var fds:fdSet):boolean;
|
|
|
+{Stat.Mode Types}
|
|
|
+Function S_ISLNK(m:word):boolean;
|
|
|
+Function S_ISREG(m:word):boolean;
|
|
|
+Function S_ISDIR(m:word):boolean;
|
|
|
+
|
|
|
+Function S_ISCHR(m:word):boolean;
|
|
|
+Function S_ISBLK(m:word):boolean;
|
|
|
+Function S_ISFIFO(m:word):boolean;
|
|
|
+Function S_ISSOCK(m:word):boolean;
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Implementation
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+Implementation
|
|
|
+
|
|
|
+Uses Strings;
|
|
|
+
|
|
|
+
|
|
|
+{ Get the definitions of textrec and filerec }
|
|
|
+{$i textrec.inc}
|
|
|
+{$i filerec.inc}
|
|
|
+
|
|
|
+{ Raw System calls are in Syscalls.inc}
|
|
|
+{$i syscalls.inc}
|
|
|
+{$ifdef BSD}
|
|
|
+ {$i bsdsysca.inc}
|
|
|
+{$else}
|
|
|
+ {$i linsysca.inc}
|
|
|
+{$endif}
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Process related calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+function CreateShellArgV(const prog:string):ppchar;
|
|
|
+{
|
|
|
+ Create an argv which executes a command in a shell using /bin/sh -c
|
|
|
+}
|
|
|
+var
|
|
|
+ pp,p : ppchar;
|
|
|
+ temp : string;
|
|
|
+begin
|
|
|
+ getmem(pp,4*4);
|
|
|
+ temp:='/bin/sh'#0'-c'#0+prog+#0;
|
|
|
+ p:=pp;
|
|
|
+ p^:=@temp[1];
|
|
|
+ inc(p);
|
|
|
+ p^:=@temp[9];
|
|
|
+ inc(p);
|
|
|
+ p^:=@temp[12];
|
|
|
+ inc(p);
|
|
|
+ p^:=Nil;
|
|
|
+ CreateShellArgV:=pp;
|
|
|
+end;
|
|
|
+
|
|
|
+function CreateShellArgV(const prog:Ansistring):ppchar;
|
|
|
+{
|
|
|
+ Create an argv which executes a command in a shell using /bin/sh -c
|
|
|
+ using a AnsiString;
|
|
|
+}
|
|
|
+var
|
|
|
+ pp,p : ppchar;
|
|
|
+ temp : AnsiString;
|
|
|
+begin
|
|
|
+ getmem(pp,4*4);
|
|
|
+ temp:='/bin/sh'#0'-c'#0+prog+#0;
|
|
|
+ p:=pp;
|
|
|
+ GetMem(p^,Length(Temp));
|
|
|
+ Move(Temp[1],p^^,Length(Temp));
|
|
|
+ inc(p);
|
|
|
+ p^:=@pp[0][8];
|
|
|
+ inc(p);
|
|
|
+ p^:=@pp[0][11];
|
|
|
+ inc(p);
|
|
|
+ p^:=Nil;
|
|
|
+ CreateShellArgV:=pp;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure Execv(const path:pathstr;args:ppchar);
|
|
|
+{
|
|
|
+ Replaces the current program by the program specified in path,
|
|
|
+ arguments in args are passed to Execve.
|
|
|
+ the current environment is passed on.
|
|
|
+}
|
|
|
+begin
|
|
|
+ Execve(path,args,envp); {On error linuxerror will get set there}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure Execvp(Path:Pathstr;Args:ppchar;Ep:ppchar);
|
|
|
+{
|
|
|
+ This does the same as Execve, only it searches the PATH environment
|
|
|
+ for the place of the Executable, except when Path starts with a slash.
|
|
|
+ if the PATH environment variable is unavailable, the path is set to '.'
|
|
|
+}
|
|
|
+var
|
|
|
+ thepath : string;
|
|
|
+begin
|
|
|
+ if path[1]<>'/' then
|
|
|
+ begin
|
|
|
+ Thepath:=strpas(getenv('PATH'));
|
|
|
+ if thepath='' then
|
|
|
+ thepath:='.';
|
|
|
+ Path:=FSearch(path,thepath)
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Path:='';
|
|
|
+ if Path='' then
|
|
|
+ linuxerror:=Sys_enoent
|
|
|
+ else
|
|
|
+ Execve(Path,args,ep);{On error linuxerror will get set there}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure Execle(Todo:string;Ep:ppchar);
|
|
|
+{
|
|
|
+ This procedure takes the string 'Todo', parses it for command and
|
|
|
+ command options, and Executes the command with the given options.
|
|
|
+ The string 'Todo' shoud be of the form 'command options', options
|
|
|
+ separated by commas.
|
|
|
+ the PATH environment is not searched for 'command'.
|
|
|
+ The specified environment(in 'ep') is passed on to command
|
|
|
+}
|
|
|
+var
|
|
|
+ p : ppchar;
|
|
|
+begin
|
|
|
+ p:=StringToPPChar(ToDo);
|
|
|
+ if (p=nil) or (p^=nil) then
|
|
|
+ exit;
|
|
|
+ ExecVE(p^,p,EP);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure Execl(const Todo:string);
|
|
|
+{
|
|
|
+ This procedure takes the string 'Todo', parses it for command and
|
|
|
+ command options, and Executes the command with the given options.
|
|
|
+ The string 'Todo' shoud be of the form 'command options', options
|
|
|
+ separated by commas.
|
|
|
+ the PATH environment is not searched for 'command'.
|
|
|
+ The current environment is passed on to command
|
|
|
+}
|
|
|
+begin
|
|
|
+ ExecLE(ToDo,EnvP);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure Execlp(Todo:string;Ep:ppchar);
|
|
|
+{
|
|
|
+ This procedure takes the string 'Todo', parses it for command and
|
|
|
+ command options, and Executes the command with the given options.
|
|
|
+ The string 'Todo' shoud be of the form 'command options', options
|
|
|
+ separated by commas.
|
|
|
+ the PATH environment is searched for 'command'.
|
|
|
+ The specified environment (in 'ep') is passed on to command
|
|
|
+}
|
|
|
+var
|
|
|
+ p : ppchar;
|
|
|
+begin
|
|
|
+ p:=StringToPPchar(todo);
|
|
|
+ if (p=nil) or (p^=nil) then
|
|
|
+ exit;
|
|
|
+ ExecVP(StrPas(p^),p,EP);
|
|
|
+end;
|
|
|
+
|
|
|
+Function Shell(const Command:String):Longint;
|
|
|
+{
|
|
|
+ Executes the shell, and passes it the string Command. (Through /bin/sh -c)
|
|
|
+ The current environment is passed to the shell.
|
|
|
+ It waits for the shell to exit, and returns its exit status.
|
|
|
+ If the Exec call failed exit status 127 is reported.
|
|
|
+}
|
|
|
+var
|
|
|
+ p : ppchar;
|
|
|
+ temp,pid : longint;
|
|
|
+begin
|
|
|
+ pid:=fork;
|
|
|
+ if pid=-1 then
|
|
|
+ exit; {Linuxerror already set in Fork}
|
|
|
+ if pid=0 then
|
|
|
+ begin
|
|
|
+ {This is the child.}
|
|
|
+ p:=CreateShellArgv(command);
|
|
|
+ Execve(p^,p,envp);
|
|
|
+ exit(127);
|
|
|
+ end;
|
|
|
+ temp:=0;
|
|
|
+ WaitPid(pid,@temp,0);{Linuxerror is set there}
|
|
|
+ Shell:=temp;{ Return exit status }
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Shell(const Command:AnsiString):Longint;
|
|
|
+{
|
|
|
+ AnsiString version of Shell
|
|
|
+}
|
|
|
+var
|
|
|
+ p : ppchar;
|
|
|
+ temp,pid : longint;
|
|
|
+begin
|
|
|
+ pid:=fork;
|
|
|
+ if pid=-1 then
|
|
|
+ exit; {Linuxerror already set in Fork}
|
|
|
+ if pid=0 then
|
|
|
+ begin
|
|
|
+ {This is the child.}
|
|
|
+ p:=CreateShellArgv(command);
|
|
|
+ Execve(p^,p,envp);
|
|
|
+ exit(127);
|
|
|
+ end;
|
|
|
+ temp:=0;
|
|
|
+ WaitPid(pid,@temp,0);{Linuxerror is set there}
|
|
|
+ Shell:=temp;{ Return exit status }
|
|
|
+end;
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Date and Time related calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+Const
|
|
|
+{Date Translation}
|
|
|
+ C1970=2440588;
|
|
|
+ D0 = 1461;
|
|
|
+ D1 = 146097;
|
|
|
+ D2 =1721119;
|
|
|
+
|
|
|
+Function GregorianToJulian(Year,Month,Day:Longint):LongInt;
|
|
|
+Var
|
|
|
+ Century,XYear: LongInt;
|
|
|
+Begin
|
|
|
+ If Month<=2 Then
|
|
|
+ Begin
|
|
|
+ Dec(Year);
|
|
|
+ Inc(Month,12);
|
|
|
+ End;
|
|
|
+ Dec(Month,3);
|
|
|
+ Century:=(longint(Year Div 100)*D1) shr 2;
|
|
|
+ XYear:=(longint(Year Mod 100)*D0) shr 2;
|
|
|
+ GregorianToJulian:=((((Month*153)+2) div 5)+Day)+D2+XYear+Century;
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure JulianToGregorian(JulianDN:LongInt;Var Year,Month,Day:Word);
|
|
|
+Var
|
|
|
+ YYear,XYear,Temp,TempMonth : LongInt;
|
|
|
+Begin
|
|
|
+ Temp:=((JulianDN-D2) shl 2)-1;
|
|
|
+ JulianDN:=Temp Div D1;
|
|
|
+ XYear:=(Temp Mod D1) or 3;
|
|
|
+ YYear:=(XYear Div D0);
|
|
|
+ Temp:=((((XYear mod D0)+4) shr 2)*5)-3;
|
|
|
+ Day:=((Temp Mod 153)+5) Div 5;
|
|
|
+ TempMonth:=Temp Div 153;
|
|
|
+ If TempMonth>=10 Then
|
|
|
+ Begin
|
|
|
+ inc(YYear);
|
|
|
+ dec(TempMonth,12);
|
|
|
+ End;
|
|
|
+ inc(TempMonth,3);
|
|
|
+ Month := TempMonth;
|
|
|
+ Year:=YYear+(JulianDN*100);
|
|
|
+end;
|
|
|
+
|
|
|
+Function GetEpochTime: longint;
|
|
|
+{
|
|
|
+ Get the number of seconds since 00:00, January 1 1970, GMT
|
|
|
+ the time NOT corrected any way
|
|
|
+}
|
|
|
+begin
|
|
|
+ GetEpochTime:=GetTimeOfDay;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure EpochToLocal(epoch:longint;var year,month,day,hour,minute,second:Word);
|
|
|
+{
|
|
|
+ Transforms Epoch time into local time (hour, minute,seconds)
|
|
|
+}
|
|
|
+Var
|
|
|
+ DateNum: LongInt;
|
|
|
+Begin
|
|
|
+ inc(Epoch,TZSeconds);
|
|
|
+ Datenum:=(Epoch Div 86400) + c1970;
|
|
|
+ JulianToGregorian(DateNum,Year,Month,day);
|
|
|
+ Epoch:=Epoch Mod 86400;
|
|
|
+ Hour:=Epoch Div 3600;
|
|
|
+ Epoch:=Epoch Mod 3600;
|
|
|
+ Minute:=Epoch Div 60;
|
|
|
+ Second:=Epoch Mod 60;
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+Function LocalToEpoch(year,month,day,hour,minute,second:Word):Longint;
|
|
|
+{
|
|
|
+ Transforms local time (year,month,day,hour,minutes,second) to Epoch time
|
|
|
+ (seconds since 00:00, january 1 1970, corrected for local time zone)
|
|
|
+}
|
|
|
+Begin
|
|
|
+ LocalToEpoch:=((GregorianToJulian(Year,Month,Day)-c1970)*86400)+
|
|
|
+ (LongInt(Hour)*3600)+(Minute*60)+Second-TZSeconds;
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+procedure GetTime(var hour,min,sec,msec,usec:word);
|
|
|
+{
|
|
|
+ Gets the current time, adjusted to local time
|
|
|
+}
|
|
|
+var
|
|
|
+ year,day,month:Word;
|
|
|
+ t : timeval;
|
|
|
+begin
|
|
|
+ gettimeofday(t);
|
|
|
+ EpochToLocal(t.sec,year,month,day,hour,min,sec);
|
|
|
+ msec:=t.usec div 1000;
|
|
|
+ usec:=t.usec mod 1000;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+procedure GetTime(var hour,min,sec,sec100:word);
|
|
|
+{
|
|
|
+ Gets the current time, adjusted to local time
|
|
|
+}
|
|
|
+var
|
|
|
+ usec : word;
|
|
|
+begin
|
|
|
+ gettime(hour,min,sec,sec100,usec);
|
|
|
+ sec100:=sec100 div 10;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure GetTime(Var Hour,Min,Sec:Word);
|
|
|
+{
|
|
|
+ Gets the current time, adjusted to local time
|
|
|
+}
|
|
|
+var
|
|
|
+ msec,usec : Word;
|
|
|
+Begin
|
|
|
+ gettime(hour,min,sec,msec,usec);
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+Procedure GetDate(Var Year,Month,Day:Word);
|
|
|
+{
|
|
|
+ Gets the current date, adjusted to local time
|
|
|
+}
|
|
|
+var
|
|
|
+ hour,minute,second : word;
|
|
|
+Begin
|
|
|
+ EpochToLocal(GetTimeOfDay,year,month,day,hour,minute,second);
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+Procedure GetDateTime(Var Year,Month,Day,hour,minute,second:Word);
|
|
|
+{
|
|
|
+ Gets the current date, adjusted to local time
|
|
|
+}
|
|
|
+Begin
|
|
|
+ EpochToLocal(GetTimeOfDay,year,month,day,hour,minute,second);
|
|
|
+End;
|
|
|
+
|
|
|
+{ Include timezone handling routines which use /usr/share/timezone info }
|
|
|
+{$i timezone.inc}
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ FileSystem calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+Function fdOpen(pathname:string;flags:longint):longint;
|
|
|
+begin
|
|
|
+ pathname:=pathname+#0;
|
|
|
+ fdOpen:=Sys_Open(@pathname[1],flags,438);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function fdOpen(pathname:string;flags,mode:longint):longint;
|
|
|
+begin
|
|
|
+ pathname:=pathname+#0;
|
|
|
+ fdOpen:=Sys_Open(@pathname[1],flags,mode);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function fdOpen(pathname:pchar;flags:longint):longint;
|
|
|
+begin
|
|
|
+ fdOpen:=Sys_Open(pathname,flags,0);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function fdOpen(pathname:pchar;flags,mode:longint):longint;
|
|
|
+begin
|
|
|
+ fdOpen:=Sys_Open(pathname,flags,mode);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function fdClose(fd:longint):boolean;
|
|
|
+begin
|
|
|
+ fdClose:=(Sys_Close(fd)=0);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function fdRead(fd:longint;var buf;size:longint):longint;
|
|
|
+begin
|
|
|
+ fdRead:=Sys_Read(fd,pchar(@buf),size);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function fdWrite(fd:longint;var buf;size:longint):longint;
|
|
|
+begin
|
|
|
+ fdWrite:=Sys_Write(fd,pchar(@buf),size);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function fdSeek (fd,pos,seektype :longint): longint;
|
|
|
+{
|
|
|
+ Do a Seek on a file descriptor fd to position pos, starting from seektype
|
|
|
+
|
|
|
+}
|
|
|
+begin
|
|
|
+ fdseek:=Sys_LSeek (fd,pos,seektype);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+{$ifdef BSD}
|
|
|
+Function Fcntl(Fd:longint;Cmd:longint):longint;
|
|
|
+{
|
|
|
+ Read or manipulate a file.(See also fcntl (2) )
|
|
|
+ Possible values for Cmd are :
|
|
|
+ F_GetFd,F_GetFl,F_GetOwn
|
|
|
+ Errors are reported in Linuxerror;
|
|
|
+ If Cmd is different from the allowed values, linuxerror=Sys_eninval.
|
|
|
+}
|
|
|
+
|
|
|
+begin
|
|
|
+ if (cmd in [F_GetFd,F_GetFl,F_GetOwn]) then
|
|
|
+ begin
|
|
|
+ Linuxerror:=sys_fcntl(fd,cmd,0);
|
|
|
+ if linuxerror=-1 then
|
|
|
+ begin
|
|
|
+ linuxerror:=errno;
|
|
|
+ fcntl:=0;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ fcntl:=linuxerror;
|
|
|
+ linuxerror:=0;
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ linuxerror:=Sys_einval;
|
|
|
+ Fcntl:=0;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure Fcntl(Fd:longint;Cmd:longint;Arg:Longint);
|
|
|
+{
|
|
|
+ Read or manipulate a file. (See also fcntl (2) )
|
|
|
+ Possible values for Cmd are :
|
|
|
+ F_setFd,F_SetFl,F_GetLk,F_SetLk,F_SetLkW,F_SetOwn;
|
|
|
+ Errors are reported in Linuxerror;
|
|
|
+ If Cmd is different from the allowed values, linuxerror=Sys_eninval.
|
|
|
+ F_DupFD is not allowed, due to the structure of Files in Pascal.
|
|
|
+}
|
|
|
+begin
|
|
|
+ if (cmd in [F_SetFd,F_SetFl,F_GetLk,F_SetLk,F_SetLkw,F_SetOwn]) then
|
|
|
+ begin
|
|
|
+ sys_fcntl(fd,cmd,arg);
|
|
|
+ LinuxError:=ErrNo;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ linuxerror:=Sys_einval;
|
|
|
+end;
|
|
|
+{$endif}
|
|
|
+
|
|
|
+
|
|
|
+{$ifdef BSD}
|
|
|
+Function Fcntl(var Fd:Text;Cmd:longint):longint;
|
|
|
+{$else}
|
|
|
+Function Fcntl(var Fd:Text;Cmd:integer):integer;
|
|
|
+{$endif}
|
|
|
+begin
|
|
|
+ Fcntl := Fcntl(textrec(Fd).handle, Cmd);
|
|
|
+end;
|
|
|
+
|
|
|
+{$ifdef BSD}
|
|
|
+Procedure Fcntl(var Fd:Text;Cmd,Arg:Longint);
|
|
|
+{$else}
|
|
|
+Procedure Fcntl(var Fd:Text;Cmd:Integer;Arg:Longint);
|
|
|
+{$endif}
|
|
|
+
|
|
|
+begin
|
|
|
+ Fcntl(textrec(Fd).handle, Cmd, Arg);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function Flock (var T : text;mode : longint) : boolean;
|
|
|
+begin
|
|
|
+ Flock:=Flock(TextRec(T).Handle,mode);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Flock (var F : File;mode : longint) : boolean;
|
|
|
+begin
|
|
|
+ Flock:=Flock(FileRec(F).Handle,mode);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FStat(Path:Pathstr;Var Info:stat):Boolean;
|
|
|
+{
|
|
|
+ Get all information on a file, and return it in Info.
|
|
|
+}
|
|
|
+begin
|
|
|
+ path:=path+#0;
|
|
|
+ FStat:=(Sys_stat(@(path[1]),Info)=0);
|
|
|
+ LinuxError:=errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FStat(var F:Text;Var Info:stat):Boolean;
|
|
|
+{
|
|
|
+ Get all information on a text file, and return it in info.
|
|
|
+}
|
|
|
+begin
|
|
|
+ FStat:=Fstat(TextRec(F).Handle,INfo);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FStat(var F:File;Var Info:stat):Boolean;
|
|
|
+{
|
|
|
+ Get all information on a untyped file, and return it in info.
|
|
|
+}
|
|
|
+begin
|
|
|
+ FStat:=Fstat(FileRec(F).Handle,Info);
|
|
|
+end;
|
|
|
+
|
|
|
+Function SymLink(OldPath,newPath:pathstr):boolean;
|
|
|
+{
|
|
|
+ Proceduces a soft link from new to old.
|
|
|
+}
|
|
|
+begin
|
|
|
+ oldpath:=oldpath+#0;
|
|
|
+ newpath:=newpath+#0;
|
|
|
+ Symlink:=Sys_symlink(pchar(@(oldpath[1])),pchar(@(newpath[1])))=0;
|
|
|
+ linuxerror:=errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function ReadLink(name,linkname:pchar;maxlen:longint):longint;
|
|
|
+{
|
|
|
+ Read a link (where it points to)
|
|
|
+}
|
|
|
+begin
|
|
|
+ Readlink:=Sys_readlink(Name,LinkName,maxlen);
|
|
|
+ linuxerror:=errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function ReadLink(Name:pathstr):pathstr;
|
|
|
+{
|
|
|
+ Read a link (where it points to)
|
|
|
+}
|
|
|
+var
|
|
|
+ LinkName : pathstr;
|
|
|
+ i : longint;
|
|
|
+begin
|
|
|
+ Name:=Name+#0;
|
|
|
+ i:=ReadLink(@Name[1],@LinkName[1],high(linkname));
|
|
|
+ if i>0 then
|
|
|
+ begin
|
|
|
+ linkname[0]:=chr(i);
|
|
|
+ ReadLink:=LinkName;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ ReadLink:='';
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function UnLink(Path:pathstr):boolean;
|
|
|
+{
|
|
|
+ Removes the file in 'Path' (that is, it decreases the link count with one.
|
|
|
+ if the link count is zero, the file is removed from the disk.
|
|
|
+}
|
|
|
+begin
|
|
|
+ path:=path+#0;
|
|
|
+ Unlink:=Sys_unlink(pchar(@(path[1])))=0;
|
|
|
+ linuxerror:=errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function UnLink(Path:pchar):Boolean;
|
|
|
+{
|
|
|
+ Removes the file in 'Path' (that is, it decreases the link count with one.
|
|
|
+ if the link count is zero, the file is removed from the disk.
|
|
|
+}
|
|
|
+begin
|
|
|
+ Unlink:=(Sys_unlink(path)=0);
|
|
|
+ linuxerror:=errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function FRename (OldName,NewName : Pchar) : Boolean;
|
|
|
+begin
|
|
|
+ FRename:=Sys_rename(OldName,NewName)=0;
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function FRename (OldName,NewName : String) : Boolean;
|
|
|
+begin
|
|
|
+ OldName:=OldName+#0;
|
|
|
+ NewName:=NewName+#0;
|
|
|
+ FRename:=FRename (@OldName[1],@NewName[1]);
|
|
|
+end;
|
|
|
+
|
|
|
+Function Dup(var oldfile,newfile:text):Boolean;
|
|
|
+{
|
|
|
+ Copies the filedescriptor oldfile to newfile, after flushing the buffer of
|
|
|
+ oldfile.
|
|
|
+ After which the two textfiles are, in effect, the same, except
|
|
|
+ that they don't share the same buffer, and don't share the same
|
|
|
+ close_on_exit flag.
|
|
|
+}
|
|
|
+begin
|
|
|
+ flush(oldfile);{ We cannot share buffers, so we flush them. }
|
|
|
+ textrec(newfile):=textrec(oldfile);
|
|
|
+ textrec(newfile).bufptr:=@(textrec(newfile).buffer);{ No shared buffer. }
|
|
|
+ Dup:=Dup(textrec(oldfile).handle,textrec(newfile).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function Dup(var oldfile,newfile:file):Boolean;
|
|
|
+{
|
|
|
+ Copies the filedescriptor oldfile to newfile
|
|
|
+}
|
|
|
+begin
|
|
|
+ filerec(newfile):=filerec(oldfile);
|
|
|
+ Dup:=Dup(filerec(oldfile).handle,filerec(newfile).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Dup2(var oldfile,newfile:text):Boolean;
|
|
|
+{
|
|
|
+ Copies the filedescriptor oldfile to newfile, after flushing the buffer of
|
|
|
+ oldfile. It closes newfile if it was still open.
|
|
|
+ After which the two textfiles are, in effect, the same, except
|
|
|
+ that they don't share the same buffer, and don't share the same
|
|
|
+ close_on_exit flag.
|
|
|
+}
|
|
|
+var
|
|
|
+ tmphandle : word;
|
|
|
+begin
|
|
|
+ case TextRec(oldfile).mode of
|
|
|
+ fmOutput, fmInOut, fmAppend :
|
|
|
+ flush(oldfile);{ We cannot share buffers, so we flush them. }
|
|
|
+ end;
|
|
|
+ case TextRec(newfile).mode of
|
|
|
+ fmOutput, fmInOut, fmAppend :
|
|
|
+ flush(newfile);
|
|
|
+ end;
|
|
|
+ tmphandle:=textrec(newfile).handle;
|
|
|
+ textrec(newfile):=textrec(oldfile);
|
|
|
+ textrec(newfile).handle:=tmphandle;
|
|
|
+ textrec(newfile).bufptr:=@(textrec(newfile).buffer);{ No shared buffer. }
|
|
|
+ Dup2:=Dup2(textrec(oldfile).handle,textrec(newfile).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function Dup2(var oldfile,newfile:file):Boolean;
|
|
|
+{
|
|
|
+ Copies the filedescriptor oldfile to newfile
|
|
|
+}
|
|
|
+begin
|
|
|
+ filerec(newfile):=filerec(oldfile);
|
|
|
+ Dup2:=Dup2(filerec(oldfile).handle,filerec(newfile).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:Longint):longint;
|
|
|
+{
|
|
|
+ Select checks whether the file descriptor sets in readfs/writefs/exceptfs
|
|
|
+ have changed.
|
|
|
+ This function allows specification of a timeout as a longint.
|
|
|
+}
|
|
|
+var
|
|
|
+ p : PTimeVal;
|
|
|
+ tv : TimeVal;
|
|
|
+begin
|
|
|
+ if TimeOut=-1 then
|
|
|
+ p:=nil
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ tv.Sec:=Timeout div 1000;
|
|
|
+ tv.Usec:=(Timeout mod 1000)*1000;
|
|
|
+ p:=@tv;
|
|
|
+ end;
|
|
|
+ Select:=Select(N,Readfds,WriteFds,ExceptFds,p);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function SelectText(var T:Text;TimeOut :PTimeval):Longint;
|
|
|
+Var
|
|
|
+ F:FDSet;
|
|
|
+begin
|
|
|
+ if textrec(t).mode=fmclosed then
|
|
|
+ begin
|
|
|
+ LinuxError:=Sys_EBADF;
|
|
|
+ exit(-1);
|
|
|
+ end;
|
|
|
+ FD_Zero(f);
|
|
|
+ FD_Set(textrec(T).handle,f);
|
|
|
+ if textrec(T).mode=fminput then
|
|
|
+ SelectText:=select(textrec(T).handle+1,@f,nil,nil,TimeOut)
|
|
|
+ else
|
|
|
+ SelectText:=select(textrec(T).handle+1,nil,@f,nil,TimeOut);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Directory
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+Function OpenDir(F:String):PDir;
|
|
|
+begin
|
|
|
+ F:=F+#0;
|
|
|
+ OpenDir:=OpenDir(@F[1]);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+procedure SeekDir(p:pdir;off:longint);
|
|
|
+begin
|
|
|
+ if p=nil then
|
|
|
+ begin
|
|
|
+ errno:=Sys_EBADF;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ {$ifndef bsd}
|
|
|
+ p^.nextoff:=Sys_lseek(p^.fd,off,seek_set);
|
|
|
+ {$endif}
|
|
|
+ p^.size:=0;
|
|
|
+ p^.loc:=0;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+function TellDir(p:pdir):longint;
|
|
|
+begin
|
|
|
+ if p=nil then
|
|
|
+ begin
|
|
|
+ errno:=Sys_EBADF;
|
|
|
+ telldir:=-1;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ telldir:=Sys_lseek(p^.fd,0,seek_cur)
|
|
|
+ { We could try to use the nextoff field here, but on my 1.2.13
|
|
|
+ kernel, this gives nothing... This may have to do with
|
|
|
+ the readdir implementation of libc... I also didn't find any trace of
|
|
|
+ the field in the kernel code itself, So I suspect it is an artifact of libc.
|
|
|
+ Michael. }
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function ReadDir(P:pdir):pdirent;
|
|
|
+begin
|
|
|
+ ReadDir:=Sys_ReadDir(p);
|
|
|
+ LinuxError:=Errno;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Pipes/Fifo
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+Procedure OpenPipe(var F:Text);
|
|
|
+begin
|
|
|
+ case textrec(f).mode of
|
|
|
+ fmoutput :
|
|
|
+ if textrec(f).userdata[1]<>P_OUT then
|
|
|
+ textrec(f).mode:=fmclosed;
|
|
|
+ fminput :
|
|
|
+ if textrec(f).userdata[1]<>P_IN then
|
|
|
+ textrec(f).mode:=fmclosed;
|
|
|
+ else
|
|
|
+ textrec(f).mode:=fmclosed;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure IOPipe(var F:text);
|
|
|
+begin
|
|
|
+ case textrec(f).mode of
|
|
|
+ fmoutput :
|
|
|
+ begin
|
|
|
+ { first check if we need something to write, else we may
|
|
|
+ get a SigPipe when Close() is called (PFV) }
|
|
|
+ if textrec(f).bufpos>0 then
|
|
|
+ Sys_write(textrec(f).handle,pchar(textrec(f).bufptr),textrec(f).bufpos);
|
|
|
+ end;
|
|
|
+ fminput :
|
|
|
+ textrec(f).bufend:=Sys_read(textrec(f).handle,pchar(textrec(f).bufptr),textrec(f).bufsize);
|
|
|
+ end;
|
|
|
+ textrec(f).bufpos:=0;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure FlushPipe(var F:Text);
|
|
|
+begin
|
|
|
+ if (textrec(f).mode=fmoutput) and (textrec(f).bufpos<>0) then
|
|
|
+ IOPipe(f);
|
|
|
+ textrec(f).bufpos:=0;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure ClosePipe(var F:text);
|
|
|
+begin
|
|
|
+ textrec(f).mode:=fmclosed;
|
|
|
+ Sys_close(textrec(f).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function AssignPipe(var pipe_in,pipe_out:text):boolean;
|
|
|
+{
|
|
|
+ Sets up a pair of file variables, which act as a pipe. The first one can
|
|
|
+ be read from, the second one can be written to.
|
|
|
+ If the operation was unsuccesful, linuxerror is set.
|
|
|
+}
|
|
|
+var
|
|
|
+ f_in,f_out : longint;
|
|
|
+begin
|
|
|
+ if not AssignPipe(f_in,f_out) then
|
|
|
+ begin
|
|
|
+ AssignPipe:=false;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+{ Set up input }
|
|
|
+ Assign(Pipe_in,'');
|
|
|
+ Textrec(Pipe_in).Handle:=f_in;
|
|
|
+ Textrec(Pipe_in).Mode:=fmInput;
|
|
|
+ Textrec(Pipe_in).userdata[1]:=P_IN;
|
|
|
+ TextRec(Pipe_in).OpenFunc:=@OpenPipe;
|
|
|
+ TextRec(Pipe_in).InOutFunc:=@IOPipe;
|
|
|
+ TextRec(Pipe_in).FlushFunc:=@FlushPipe;
|
|
|
+ TextRec(Pipe_in).CloseFunc:=@ClosePipe;
|
|
|
+{ Set up output }
|
|
|
+ Assign(Pipe_out,'');
|
|
|
+ Textrec(Pipe_out).Handle:=f_out;
|
|
|
+ Textrec(Pipe_out).Mode:=fmOutput;
|
|
|
+ Textrec(Pipe_out).userdata[1]:=P_OUT;
|
|
|
+ TextRec(Pipe_out).OpenFunc:=@OpenPipe;
|
|
|
+ TextRec(Pipe_out).InOutFunc:=@IOPipe;
|
|
|
+ TextRec(Pipe_out).FlushFunc:=@FlushPipe;
|
|
|
+ TextRec(Pipe_out).CloseFunc:=@ClosePipe;
|
|
|
+ AssignPipe:=true;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function AssignPipe(var pipe_in,pipe_out:file):boolean;
|
|
|
+{
|
|
|
+ Sets up a pair of file variables, which act as a pipe. The first one can
|
|
|
+ be read from, the second one can be written to.
|
|
|
+ If the operation was unsuccesful, linuxerror is set.
|
|
|
+}
|
|
|
+var
|
|
|
+ f_in,f_out : longint;
|
|
|
+begin
|
|
|
+ if not AssignPipe(f_in,f_out) then
|
|
|
+ begin
|
|
|
+ AssignPipe:=false;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+{ Set up input }
|
|
|
+ Assign(Pipe_in,'');
|
|
|
+ Filerec(Pipe_in).Handle:=f_in;
|
|
|
+ Filerec(Pipe_in).Mode:=fmInput;
|
|
|
+ Filerec(Pipe_in).recsize:=1;
|
|
|
+ Filerec(Pipe_in).userdata[1]:=P_IN;
|
|
|
+{ Set up output }
|
|
|
+ Assign(Pipe_out,'');
|
|
|
+ Filerec(Pipe_out).Handle:=f_out;
|
|
|
+ Filerec(Pipe_out).Mode:=fmoutput;
|
|
|
+ Filerec(Pipe_out).recsize:=1;
|
|
|
+ Filerec(Pipe_out).userdata[1]:=P_OUT;
|
|
|
+ AssignPipe:=true;
|
|
|
+end;
|
|
|
+
|
|
|
+Procedure PCloseText(Var F:text);
|
|
|
+{
|
|
|
+ May not use @PClose due overloading
|
|
|
+}
|
|
|
+begin
|
|
|
+ PClose(f);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure POpen(var F:text;const Prog:String;rw:char);
|
|
|
+{
|
|
|
+ Starts the program in 'Prog' and makes it's input or out put the
|
|
|
+ other end of a pipe. If rw is 'w' or 'W', then whatever is written to
|
|
|
+ F, will be read from stdin by the program in 'Prog'. The inverse is true
|
|
|
+ for 'r' or 'R' : whatever the program in 'Prog' writes to stdout, can be
|
|
|
+ read from 'f'.
|
|
|
+}
|
|
|
+var
|
|
|
+ pipi,
|
|
|
+ pipo : text;
|
|
|
+ pid : longint;
|
|
|
+ pl : ^longint;
|
|
|
+ pp : ppchar;
|
|
|
+begin
|
|
|
+ LinuxError:=0;
|
|
|
+ rw:=upcase(rw);
|
|
|
+ if not (rw in ['R','W']) then
|
|
|
+ begin
|
|
|
+ LinuxError:=Sys_enoent;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ AssignPipe(pipi,pipo);
|
|
|
+ if Linuxerror<>0 then
|
|
|
+ exit;
|
|
|
+ pid:=fork;
|
|
|
+ if linuxerror<>0 then
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ close(pipo);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ if pid=0 then
|
|
|
+ begin
|
|
|
+ { We're in the child }
|
|
|
+ if rw='W' then
|
|
|
+ begin
|
|
|
+ close(pipo);
|
|
|
+ dup2(pipi,input);
|
|
|
+ close(pipi);
|
|
|
+ if linuxerror<>0 then
|
|
|
+ halt(127);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ dup2(pipo,output);
|
|
|
+ close(pipo);
|
|
|
+ if linuxerror<>0 then
|
|
|
+ halt(127);
|
|
|
+ end;
|
|
|
+ pp:=createshellargv(prog);
|
|
|
+ Execve(pp^,pp,envp);
|
|
|
+ halt(127);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ { We're in the parent }
|
|
|
+ if rw='W' then
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ f:=pipo;
|
|
|
+ textrec(f).bufptr:=@textrec(f).buffer;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ close(pipo);
|
|
|
+ f:=pipi;
|
|
|
+ textrec(f).bufptr:=@textrec(f).buffer;
|
|
|
+ end;
|
|
|
+ {Save the process ID - needed when closing }
|
|
|
+ pl:=@(textrec(f).userdata[2]);
|
|
|
+ pl^:=pid;
|
|
|
+ textrec(f).closefunc:=@PCloseText;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Procedure POpen(var F:file;const Prog:String;rw:char);
|
|
|
+{
|
|
|
+ Starts the program in 'Prog' and makes it's input or out put the
|
|
|
+ other end of a pipe. If rw is 'w' or 'W', then whatever is written to
|
|
|
+ F, will be read from stdin by the program in 'Prog'. The inverse is true
|
|
|
+ for 'r' or 'R' : whatever the program in 'Prog' writes to stdout, can be
|
|
|
+ read from 'f'.
|
|
|
+}
|
|
|
+var
|
|
|
+ pipi,
|
|
|
+ pipo : file;
|
|
|
+ pid : longint;
|
|
|
+ pl : ^longint;
|
|
|
+ p,pp : ppchar;
|
|
|
+ temp : string[255];
|
|
|
+begin
|
|
|
+ LinuxError:=0;
|
|
|
+ rw:=upcase(rw);
|
|
|
+ if not (rw in ['R','W']) then
|
|
|
+ begin
|
|
|
+ LinuxError:=Sys_enoent;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ AssignPipe(pipi,pipo);
|
|
|
+ if Linuxerror<>0 then
|
|
|
+ exit;
|
|
|
+ pid:=fork;
|
|
|
+ if linuxerror<>0 then
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ close(pipo);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ if pid=0 then
|
|
|
+ begin
|
|
|
+ { We're in the child }
|
|
|
+ if rw='W' then
|
|
|
+ begin
|
|
|
+ close(pipo);
|
|
|
+ dup2(filerec(pipi).handle,stdinputhandle);
|
|
|
+ close(pipi);
|
|
|
+ if linuxerror<>0 then
|
|
|
+ halt(127);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ dup2(filerec(pipo).handle,stdoutputhandle);
|
|
|
+ close(pipo);
|
|
|
+ if linuxerror<>0 then
|
|
|
+ halt(127);
|
|
|
+ end;
|
|
|
+ getmem(pp,sizeof(pchar)*4);
|
|
|
+ temp:='/bin/sh'#0'-c'#0+prog+#0;
|
|
|
+ p:=pp;
|
|
|
+ p^:=@temp[1];
|
|
|
+ inc(p);
|
|
|
+ p^:=@temp[9];
|
|
|
+ inc(p);
|
|
|
+ p^:=@temp[12];
|
|
|
+ inc(p);
|
|
|
+ p^:=Nil;
|
|
|
+ Execve('/bin/sh',pp,envp);
|
|
|
+ halt(127);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ { We're in the parent }
|
|
|
+ if rw='W' then
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ f:=pipo;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ close(pipo);
|
|
|
+ f:=pipi;
|
|
|
+ end;
|
|
|
+ {Save the process ID - needed when closing }
|
|
|
+ pl:=@(filerec(f).userdata[2]);
|
|
|
+ pl^:=pid;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function AssignStream(Var StreamIn,Streamout:text;Const Prog:String) : longint;
|
|
|
+{
|
|
|
+ Starts the program in 'Prog' and makes its input and output the
|
|
|
+ other end of two pipes, which are the stdin and stdout of a program
|
|
|
+ specified in 'Prog'.
|
|
|
+ streamout can be used to write to the program, streamin can be used to read
|
|
|
+ the output of the program. See the following diagram :
|
|
|
+ Parent Child
|
|
|
+ STreamout --> Input
|
|
|
+ Streamin <-- Output
|
|
|
+ Return value is the process ID of the process being spawned, or -1 in case of failure.
|
|
|
+}
|
|
|
+var
|
|
|
+ pipi,
|
|
|
+ pipo : text;
|
|
|
+ pid : longint;
|
|
|
+ pl : ^Longint;
|
|
|
+begin
|
|
|
+ LinuxError:=0;
|
|
|
+ AssignStream:=-1;
|
|
|
+ AssignPipe(streamin,pipo);
|
|
|
+ if Linuxerror<>0 then
|
|
|
+ exit;
|
|
|
+ AssignPipe(pipi,streamout);
|
|
|
+ if Linuxerror<>0 then
|
|
|
+ exit;
|
|
|
+ pid:=fork;
|
|
|
+ if linuxerror<>0 then
|
|
|
+ begin
|
|
|
+ close(pipi);
|
|
|
+ close(pipo);
|
|
|
+ close (streamin);
|
|
|
+ close (streamout);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ if pid=0 then
|
|
|
+ begin
|
|
|
+ { We're in the child }
|
|
|
+ { Close what we don't need }
|
|
|
+ close(streamout);
|
|
|
+ close(streamin);
|
|
|
+ dup2(pipi,input);
|
|
|
+ if linuxerror<>0 then
|
|
|
+ halt(127);
|
|
|
+ close(pipi);
|
|
|
+ dup2(pipo,output);
|
|
|
+ if linuxerror<>0 then
|
|
|
+ halt (127);
|
|
|
+ close(pipo);
|
|
|
+ Execl(Prog);
|
|
|
+ halt(127);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ { we're in the parent}
|
|
|
+ close(pipo);
|
|
|
+ close(pipi);
|
|
|
+ {Save the process ID - needed when closing }
|
|
|
+ pl:=@(textrec(StreamIn).userdata[2]);
|
|
|
+ pl^:=pid;
|
|
|
+ textrec(StreamIn).closefunc:=@PCloseText;
|
|
|
+ {Save the process ID - needed when closing }
|
|
|
+ pl:=@(textrec(StreamOut).userdata[2]);
|
|
|
+ pl^:=pid;
|
|
|
+ textrec(StreamOut).closefunc:=@PCloseText;
|
|
|
+ AssignStream:=Pid;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+function AssignStream(var StreamIn, StreamOut, StreamErr: Text; const prog: String): LongInt;
|
|
|
+{
|
|
|
+ Starts the program in 'prog' and makes its input, output and error output the
|
|
|
+ other end of three pipes, which are the stdin, stdout and stderr of a program
|
|
|
+ specified in 'prog'.
|
|
|
+ StreamOut can be used to write to the program, StreamIn can be used to read
|
|
|
+ the output of the program, StreamErr reads the error output of the program.
|
|
|
+ See the following diagram :
|
|
|
+ Parent Child
|
|
|
+ StreamOut --> StdIn (input)
|
|
|
+ StreamIn <-- StdOut (output)
|
|
|
+ StreamErr <-- StdErr (error output)
|
|
|
+}
|
|
|
+var
|
|
|
+ PipeIn, PipeOut, PipeErr: text;
|
|
|
+ pid: LongInt;
|
|
|
+ pl: ^LongInt;
|
|
|
+begin
|
|
|
+ LinuxError := 0;
|
|
|
+ AssignStream := -1;
|
|
|
+
|
|
|
+ // Assign pipes
|
|
|
+ AssignPipe(StreamIn, PipeOut);
|
|
|
+ if LinuxError <> 0 then exit;
|
|
|
+
|
|
|
+ AssignPipe(StreamErr, PipeErr);
|
|
|
+ if LinuxError <> 0 then begin
|
|
|
+ Close(StreamIn);
|
|
|
+ Close(PipeOut);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+
|
|
|
+ AssignPipe(PipeIn, StreamOut);
|
|
|
+ if LinuxError <> 0 then begin
|
|
|
+ Close(StreamIn);
|
|
|
+ Close(PipeOut);
|
|
|
+ Close(StreamErr);
|
|
|
+ Close(PipeErr);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+
|
|
|
+ // Fork
|
|
|
+
|
|
|
+ pid := Fork;
|
|
|
+ if LinuxError <> 0 then begin
|
|
|
+ Close(StreamIn);
|
|
|
+ Close(PipeOut);
|
|
|
+ Close(StreamErr);
|
|
|
+ Close(PipeErr);
|
|
|
+ Close(PipeIn);
|
|
|
+ Close(StreamOut);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+
|
|
|
+ if pid = 0 then begin
|
|
|
+ // *** We are in the child ***
|
|
|
+ // Close what we don not need
|
|
|
+ Close(StreamOut);
|
|
|
+ Close(StreamIn);
|
|
|
+ Close(StreamErr);
|
|
|
+ // Connect pipes
|
|
|
+ dup2(PipeIn, Input);
|
|
|
+ if LinuxError <> 0 then Halt(127);
|
|
|
+ Close(PipeIn);
|
|
|
+ dup2(PipeOut, Output);
|
|
|
+ if LinuxError <> 0 then Halt(127);
|
|
|
+ Close(PipeOut);
|
|
|
+ dup2(PipeErr, StdErr);
|
|
|
+ if LinuxError <> 0 then Halt(127);
|
|
|
+ Close(PipeErr);
|
|
|
+ // Execute program
|
|
|
+ Execl(Prog);
|
|
|
+ Halt(127);
|
|
|
+ end else begin
|
|
|
+ // *** We are in the parent ***
|
|
|
+ Close(PipeErr);
|
|
|
+ Close(PipeOut);
|
|
|
+ Close(PipeIn);
|
|
|
+ // Save the process ID - needed when closing
|
|
|
+ pl := @(TextRec(StreamIn).userdata[2]);
|
|
|
+ pl^ := pid;
|
|
|
+ TextRec(StreamIn).closefunc := @PCloseText;
|
|
|
+ // Save the process ID - needed when closing
|
|
|
+ pl := @(TextRec(StreamOut).userdata[2]);
|
|
|
+ pl^ := pid;
|
|
|
+ TextRec(StreamOut).closefunc := @PCloseText;
|
|
|
+ // Save the process ID - needed when closing
|
|
|
+ pl := @(TextRec(StreamErr).userdata[2]);
|
|
|
+ pl^ := pid;
|
|
|
+ TextRec(StreamErr).closefunc := @PCloseText;
|
|
|
+ AssignStream := pid;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ General information calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+
|
|
|
+Function GetEnv(P:string):Pchar;
|
|
|
+{
|
|
|
+ Searches the environment for a string with name p and
|
|
|
+ returns a pchar to it's value.
|
|
|
+ A pchar is used to accomodate for strings of length > 255
|
|
|
+}
|
|
|
+var
|
|
|
+ ep : ppchar;
|
|
|
+ found : boolean;
|
|
|
+Begin
|
|
|
+ p:=p+'='; {Else HOST will also find HOSTNAME, etc}
|
|
|
+ ep:=envp;
|
|
|
+ found:=false;
|
|
|
+ if ep<>nil then
|
|
|
+ begin
|
|
|
+ while (not found) and (ep^<>nil) do
|
|
|
+ begin
|
|
|
+ if strlcomp(@p[1],(ep^),length(p))=0 then
|
|
|
+ found:=true
|
|
|
+ else
|
|
|
+ inc(ep);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ if found then
|
|
|
+ getenv:=ep^+length(p)
|
|
|
+ else
|
|
|
+ getenv:=nil;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{$ifndef bsd}
|
|
|
+Function GetDomainName:String;
|
|
|
+{
|
|
|
+ Get machines domain name. Returns empty string if not set.
|
|
|
+}
|
|
|
+Var
|
|
|
+ Sysn : utsname;
|
|
|
+begin
|
|
|
+ Uname(Sysn);
|
|
|
+ linuxerror:=errno;
|
|
|
+ If linuxerror<>0 then
|
|
|
+ getdomainname:=''
|
|
|
+ else
|
|
|
+ getdomainname:=strpas(@Sysn.domainname[0]);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function GetHostName:String;
|
|
|
+{
|
|
|
+ Get machines name. Returns empty string if not set.
|
|
|
+}
|
|
|
+Var
|
|
|
+ Sysn : utsname;
|
|
|
+begin
|
|
|
+ uname(Sysn);
|
|
|
+ linuxerror:=errno;
|
|
|
+ If linuxerror<>0 then
|
|
|
+ gethostname:=''
|
|
|
+ else
|
|
|
+ gethostname:=strpas(@Sysn.nodename[0]);
|
|
|
+end;
|
|
|
+{$endif}
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Signal handling calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+procedure SigRaise(sig:integer);
|
|
|
+begin
|
|
|
+ Kill(GetPid,Sig);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ IOCtl and Termios calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+
|
|
|
+Function TCGetAttr(fd:longint;var tios:TermIOS):boolean;
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ TCGetAttr:=IOCtl(fd,TCGETS,@tios);
|
|
|
+ {$else}
|
|
|
+ TCGETAttr:=IoCtl(Fd,TIOCGETA,@tios);
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function TCSetAttr(fd:longint;OptAct:longint;var tios:TermIOS):boolean;
|
|
|
+var
|
|
|
+ nr:longint;
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ case OptAct of
|
|
|
+ TCSANOW : nr:=TCSETS;
|
|
|
+ TCSADRAIN : nr:=TCSETSW;
|
|
|
+ TCSAFLUSH : nr:=TCSETSF;
|
|
|
+ {$else}
|
|
|
+ case OptAct of
|
|
|
+ TCSANOW : nr:=TIOCSETA;
|
|
|
+ TCSADRAIN : nr:=TIOCSETAW;
|
|
|
+ TCSAFLUSH : nr:=TIOCSETAF;
|
|
|
+ {$endif}
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ ErrNo:=Sys_EINVAL;
|
|
|
+ TCSetAttr:=false;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ TCSetAttr:=IOCtl(fd,nr,@Tios);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure CFSetISpeed(var tios:TermIOS;speed:Longint);
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ tios.c_cflag:=(tios.c_cflag and (not CBAUD)) or speed;
|
|
|
+ {$else}
|
|
|
+ tios.c_ispeed:=speed; {Probably the Bxxxx speed constants}
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure CFSetOSpeed(var tios:TermIOS;speed:Longint);
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ CFSetISpeed(tios,speed);
|
|
|
+ {$else}
|
|
|
+ tios.c_ospeed:=speed;
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure CFMakeRaw(var tios:TermIOS);
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ with tios do
|
|
|
+ begin
|
|
|
+ c_iflag:=c_iflag and (not (IGNBRK or BRKINT or PARMRK or ISTRIP or
|
|
|
+ INLCR or IGNCR or ICRNL or IXON));
|
|
|
+ c_oflag:=c_oflag and (not OPOST);
|
|
|
+ c_lflag:=c_lflag and (not (ECHO or ECHONL or ICANON or ISIG or IEXTEN));
|
|
|
+ c_cflag:=(c_cflag and (not (CSIZE or PARENB))) or CS8;
|
|
|
+ end;
|
|
|
+ {$else}
|
|
|
+ with tios do
|
|
|
+ begin
|
|
|
+ c_iflag:=c_iflag and (not (IMAXBEL or IXOFF or INPCK or BRKINT or
|
|
|
+ PARMRK or ISTRIP or INLCR or IGNCR or ICRNL or IXON or
|
|
|
+ IGNPAR));
|
|
|
+ c_iflag:=c_iflag OR IGNBRK;
|
|
|
+ c_oflag:=c_oflag and (not OPOST);
|
|
|
+ c_lflag:=c_lflag and (not (ECHO or ECHOE or ECHOK or ECHONL or ICANON or
|
|
|
+ ISIG or IEXTEN or NOFLSH or TOSTOP or PENDIN));
|
|
|
+ c_cflag:=(c_cflag and (not (CSIZE or PARENB))) or (CS8 OR cread);
|
|
|
+ c_cc[VMIN]:=1;
|
|
|
+ c_cc[VTIME]:=0;
|
|
|
+ end;
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function TCSendBreak(fd,duration:longint):boolean;
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ TCSendBreak:=IOCtl(fd,TCSBRK,pointer(duration));
|
|
|
+ {$else}
|
|
|
+ TCSendBreak:=IOCtl(fd,TIOCSBRK,0);
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function TCSetPGrp(fd,id:longint):boolean;
|
|
|
+begin
|
|
|
+ TCSetPGrp:=IOCtl(fd,TIOCSPGRP,pointer(id));
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function TCGetPGrp(fd:longint;var id:longint):boolean;
|
|
|
+begin
|
|
|
+ TCGetPGrp:=IOCtl(fd,TIOCGPGRP,@id);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+Function TCDrain(fd:longint):boolean;
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ TCDrain:=IOCtl(fd,TCSBRK,pointer(1));
|
|
|
+ {$else}
|
|
|
+ TCDrain:=IOCtl(fd,TIOCDRAIN,0); {Should set timeout to 1 first?}
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function TCFlow(fd,act:longint):boolean;
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ TCFlow:=IOCtl(fd,TCXONC,pointer(act));
|
|
|
+ {$else}
|
|
|
+ case act OF
|
|
|
+ TCOOFF : TCFlow:=Ioctl(fd,TIOCSTOP,0);
|
|
|
+ TCOOn : TCFlow:=IOctl(Fd,TIOCStart,0);
|
|
|
+ TCIOFF : {N/I}
|
|
|
+ end;
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function TCFlush(fd,qsel:longint):boolean;
|
|
|
+
|
|
|
+var com:longint;
|
|
|
+
|
|
|
+begin
|
|
|
+ {$ifndef BSD}
|
|
|
+ TCFlush:=IOCtl(fd,TCFLSH,pointer(qsel));
|
|
|
+ {$else}
|
|
|
+ {
|
|
|
+ CASE Qsel of
|
|
|
+ TCIFLUSH : com:=fread;
|
|
|
+ TCOFLUSH : com:=FWRITE;
|
|
|
+ TCIOFLUSH: com:=FREAD OR FWRITE;
|
|
|
+ else
|
|
|
+ exit(false);
|
|
|
+ end;
|
|
|
+ }
|
|
|
+ TCFlush:=IOCtl(fd,TIOCFLUSH,pointer(qsel));
|
|
|
+ {$endif}
|
|
|
+end;
|
|
|
+
|
|
|
+Function IsATTY(Handle:Longint):Boolean;
|
|
|
+{
|
|
|
+ Check if the filehandle described by 'handle' is a TTY (Terminal)
|
|
|
+}
|
|
|
+var
|
|
|
+ t : Termios;
|
|
|
+begin
|
|
|
+ IsAtty:=TCGetAttr(Handle,t);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function IsATTY(f: text):Boolean;
|
|
|
+{
|
|
|
+ Idem as previous, only now for text variables.
|
|
|
+}
|
|
|
+begin
|
|
|
+ IsATTY:=IsaTTY(textrec(f).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+function TTYName(Handle:Longint):string;
|
|
|
+{
|
|
|
+ Return the name of the current tty described by handle f.
|
|
|
+ returns empty string in case of an error.
|
|
|
+}
|
|
|
+var
|
|
|
+ mydev,
|
|
|
+ myino : longint;
|
|
|
+ st : stat;
|
|
|
+
|
|
|
+ function mysearch(n:string): boolean;
|
|
|
+ {searches recursively for the device in the directory given by n,
|
|
|
+ returns true if found and sets the name of the device in ttyname}
|
|
|
+ var dirstream : pdir;
|
|
|
+ d : pdirent;
|
|
|
+ name : string;
|
|
|
+ st : stat;
|
|
|
+ begin
|
|
|
+ dirstream:=opendir(n);
|
|
|
+ if (linuxerror<>0) then
|
|
|
+ exit;
|
|
|
+ d:=Readdir(dirstream);
|
|
|
+ while (d<>nil) do
|
|
|
+ begin
|
|
|
+ name:=n+'/'+strpas(@(d^.name));
|
|
|
+ fstat(name,st);
|
|
|
+ if linuxerror=0 then
|
|
|
+ begin
|
|
|
+ if ((st.mode and $E000)=$4000) and { if it is a directory }
|
|
|
+ (strpas(@(d^.name))<>'.') and { but not ., .. and fd subdirs }
|
|
|
+ (strpas(@(d^.name))<>'..') and
|
|
|
+ (strpas(@(d^.name))<>'fd') then
|
|
|
+ begin {we found a directory, search inside it}
|
|
|
+ if mysearch(name) then
|
|
|
+ begin {the device is here}
|
|
|
+ closedir(dirstream); {then don't continue searching}
|
|
|
+ mysearch:=true;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else if (d^.ino=myino) and (st.dev=mydev) then
|
|
|
+ begin
|
|
|
+ closedir(dirstream);
|
|
|
+ ttyname:=name;
|
|
|
+ mysearch:=true;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ d:=Readdir(dirstream);
|
|
|
+ end;
|
|
|
+ closedir(dirstream);
|
|
|
+ mysearch:=false;
|
|
|
+ end;
|
|
|
+
|
|
|
+begin
|
|
|
+ TTYName:='';
|
|
|
+ fstat(handle,st);
|
|
|
+ if (errno<>0) and isatty (handle) then
|
|
|
+ exit;
|
|
|
+ mydev:=st.dev;
|
|
|
+ myino:=st.ino;
|
|
|
+ mysearch('/dev');
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+function TTYName(var F:Text):string;
|
|
|
+{
|
|
|
+ Idem as previous, only now for text variables;
|
|
|
+}
|
|
|
+begin
|
|
|
+ TTYName:=TTYName(textrec(f).handle);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+{******************************************************************************
|
|
|
+ Utility calls
|
|
|
+******************************************************************************}
|
|
|
+
|
|
|
+Function Octal(l:longint):longint;
|
|
|
+{
|
|
|
+ Convert an octal specified number to decimal;
|
|
|
+}
|
|
|
+var
|
|
|
+ octnr,
|
|
|
+ oct : longint;
|
|
|
+begin
|
|
|
+ octnr:=0;
|
|
|
+ oct:=0;
|
|
|
+ while (l>0) do
|
|
|
+ begin
|
|
|
+ oct:=oct or ((l mod 10) shl octnr);
|
|
|
+ l:=l div 10;
|
|
|
+ inc(octnr,3);
|
|
|
+ end;
|
|
|
+ Octal:=oct;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function StringToPPChar(Var S:STring):ppchar;
|
|
|
+{
|
|
|
+ Create a PPChar to structure of pchars which are the arguments specified
|
|
|
+ in the string S. Especially usefull for creating an ArgV for Exec-calls
|
|
|
+}
|
|
|
+var
|
|
|
+ nr : longint;
|
|
|
+ Buf : ^char;
|
|
|
+ p : ppchar;
|
|
|
+begin
|
|
|
+ s:=s+#0;
|
|
|
+ buf:=@s[1];
|
|
|
+ nr:=0;
|
|
|
+ while(buf^<>#0) do
|
|
|
+ begin
|
|
|
+ while (buf^ in [' ',#8,#10]) do
|
|
|
+ inc(buf);
|
|
|
+ inc(nr);
|
|
|
+ while not (buf^ in [' ',#0,#8,#10]) do
|
|
|
+ inc(buf);
|
|
|
+ end;
|
|
|
+ getmem(p,nr*4);
|
|
|
+ StringToPPChar:=p;
|
|
|
+ if p=nil then
|
|
|
+ begin
|
|
|
+ LinuxError:=sys_enomem;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ buf:=@s[1];
|
|
|
+ while (buf^<>#0) do
|
|
|
+ begin
|
|
|
+ while (buf^ in [' ',#8,#10]) do
|
|
|
+ begin
|
|
|
+ buf^:=#0;
|
|
|
+ inc(buf);
|
|
|
+ end;
|
|
|
+ p^:=buf;
|
|
|
+ inc(p);
|
|
|
+ p^:=nil;
|
|
|
+ while not (buf^ in [' ',#0,#8,#10]) do
|
|
|
+ inc(buf);
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FExpand(Const Path:PathStr):PathStr;
|
|
|
+var
|
|
|
+ temp : pathstr;
|
|
|
+ i,j : longint;
|
|
|
+ p : pchar;
|
|
|
+Begin
|
|
|
+{Remove eventual drive - doesn't exist in Linux}
|
|
|
+ if path[2]=':' then
|
|
|
+ i:=3
|
|
|
+ else
|
|
|
+ i:=1;
|
|
|
+ temp:='';
|
|
|
+{Replace ~/ with $HOME}
|
|
|
+ if (path[i]='~') and ((i+1>length(path)) or (path[i+1]='/')) then
|
|
|
+ begin
|
|
|
+ p:=getenv('HOME');
|
|
|
+ if not (p=nil) then
|
|
|
+ Insert(StrPas(p),temp,i);
|
|
|
+ i:=1;
|
|
|
+ temp:=temp+Copy(Path,2,255);
|
|
|
+ end;
|
|
|
+{Do we have an absolute path ? No - prefix the current dir}
|
|
|
+ if temp='' then
|
|
|
+ begin
|
|
|
+ if path[i]<>'/' then
|
|
|
+ begin
|
|
|
+ {$I-}
|
|
|
+ getdir(0,temp);
|
|
|
+ {$I+}
|
|
|
+ if ioresult<>0 then;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ inc(i);
|
|
|
+ temp:=temp+'/'+copy(path,i,length(path)-i+1)+'/';
|
|
|
+ end;
|
|
|
+{First remove all references to '/./'}
|
|
|
+ while pos('/./',temp)<>0 do
|
|
|
+ delete(temp,pos('/./',temp),2);
|
|
|
+{Now remove also all references to '/../' + of course previous dirs..}
|
|
|
+ repeat
|
|
|
+ i:=pos('/../',temp);
|
|
|
+ {Find the pos of the previous dir}
|
|
|
+ if i>1 then
|
|
|
+ begin
|
|
|
+ j:=i-1;
|
|
|
+ while (j>1) and (temp[j]<>'/') do
|
|
|
+ dec (j);{temp[1] is always '/'}
|
|
|
+ delete(temp,j,i-j+3);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ if i=1 then {i=1, so we have temp='/../something', just delete '/../'}
|
|
|
+ delete(temp,1,3);
|
|
|
+ until i=0;
|
|
|
+ { Remove ending /.. }
|
|
|
+ i:=pos('/..',temp);
|
|
|
+ if (i<>0) and (i =length(temp)-2) then
|
|
|
+ begin
|
|
|
+ j:=i-1;
|
|
|
+ while (j>1) and (temp[j]<>'/') do
|
|
|
+ dec (j);
|
|
|
+ delete (temp,j,i-j+3);
|
|
|
+ end;
|
|
|
+ { if last character is / then remove it - dir is also a file :-) }
|
|
|
+ if (length(temp)>0) and (temp[length(temp)]='/') then
|
|
|
+ dec(byte(temp[0]));
|
|
|
+ fexpand:=temp;
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FSearch(const path:pathstr;dirlist:string):pathstr;
|
|
|
+{
|
|
|
+ Searches for a file 'path' in the list of direcories in 'dirlist'.
|
|
|
+ returns an empty string if not found. Wildcards are NOT allowed.
|
|
|
+ If dirlist is empty, it is set to '.'
|
|
|
+}
|
|
|
+Var
|
|
|
+ NewDir : PathStr;
|
|
|
+ p1 : Longint;
|
|
|
+ Info : Stat;
|
|
|
+Begin
|
|
|
+{Replace ':' with ';'}
|
|
|
+ for p1:=1to length(dirlist) do
|
|
|
+ if dirlist[p1]=':' then
|
|
|
+ dirlist[p1]:=';';
|
|
|
+{Check for WildCards}
|
|
|
+ If (Pos('?',Path) <> 0) or (Pos('*',Path) <> 0) Then
|
|
|
+ FSearch:='' {No wildcards allowed in these things.}
|
|
|
+ Else
|
|
|
+ Begin
|
|
|
+ Dirlist:='.;'+dirlist;{Make sure current dir is first to be searched.}
|
|
|
+ Repeat
|
|
|
+ p1:=Pos(';',DirList);
|
|
|
+ If p1=0 Then
|
|
|
+ p1:=255;
|
|
|
+ NewDir:=Copy(DirList,1,P1 - 1);
|
|
|
+ if NewDir[Length(NewDir)]<>'/' then
|
|
|
+ NewDir:=NewDir+'/';
|
|
|
+ NewDir:=NewDir+Path;
|
|
|
+ Delete(DirList,1,p1);
|
|
|
+ if FStat(NewDir,Info) then
|
|
|
+ Begin
|
|
|
+ If Pos('./',NewDir)=1 Then
|
|
|
+ Delete(NewDir,1,2);
|
|
|
+ {DOS strips off an initial .\}
|
|
|
+ End
|
|
|
+ Else
|
|
|
+ NewDir:='';
|
|
|
+ Until (DirList='') or (Length(NewDir) > 0);
|
|
|
+ FSearch:=NewDir;
|
|
|
+ End;
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure FSplit(const Path:PathStr;Var Dir:DirStr;Var Name:NameStr;Var Ext:ExtStr);
|
|
|
+Var
|
|
|
+ DotPos,SlashPos,i : longint;
|
|
|
+Begin
|
|
|
+ SlashPos:=0;
|
|
|
+ DotPos:=256;
|
|
|
+ i:=Length(Path);
|
|
|
+ While (i>0) and (SlashPos=0) Do
|
|
|
+ Begin
|
|
|
+ If (DotPos=256) and (Path[i]='.') Then
|
|
|
+ begin
|
|
|
+ DotPos:=i;
|
|
|
+ end;
|
|
|
+ If (Path[i]='/') Then
|
|
|
+ SlashPos:=i;
|
|
|
+ Dec(i);
|
|
|
+ End;
|
|
|
+ Ext:=Copy(Path,DotPos,255);
|
|
|
+ Dir:=Copy(Path,1,SlashPos);
|
|
|
+ Name:=Copy(Path,SlashPos + 1,DotPos - SlashPos - 1);
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Dirname(Const path:pathstr):pathstr;
|
|
|
+{
|
|
|
+ This function returns the directory part of a complete path.
|
|
|
+ Unless the directory is root '/', The last character is not
|
|
|
+ a slash.
|
|
|
+}
|
|
|
+var
|
|
|
+ Dir : PathStr;
|
|
|
+ Name : NameStr;
|
|
|
+ Ext : ExtStr;
|
|
|
+begin
|
|
|
+ FSplit(Path,Dir,Name,Ext);
|
|
|
+ if length(Dir)>1 then
|
|
|
+ Delete(Dir,length(Dir),1);
|
|
|
+ DirName:=Dir;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Basename(Const path:pathstr;Const suf:pathstr):pathstr;
|
|
|
+{
|
|
|
+ This function returns the filename part of a complete path. If suf is
|
|
|
+ supplied, it is cut off the filename.
|
|
|
+}
|
|
|
+var
|
|
|
+ Dir : PathStr;
|
|
|
+ Name : NameStr;
|
|
|
+ Ext : ExtStr;
|
|
|
+begin
|
|
|
+ FSplit(Path,Dir,Name,Ext);
|
|
|
+ if Suf<>Ext then
|
|
|
+ Name:=Name+Ext;
|
|
|
+ BaseName:=Name;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FNMatch(const Pattern,Name:string):Boolean;
|
|
|
+Var
|
|
|
+ LenPat,LenName : longint;
|
|
|
+
|
|
|
+ Function DoFNMatch(i,j:longint):Boolean;
|
|
|
+ Var
|
|
|
+ Found : boolean;
|
|
|
+ Begin
|
|
|
+ Found:=true;
|
|
|
+ While Found and (i<=LenPat) Do
|
|
|
+ Begin
|
|
|
+ Case Pattern[i] of
|
|
|
+ '?' : Found:=(j<=LenName);
|
|
|
+ '*' : Begin
|
|
|
+ {find the next character in pattern, different of ? and *}
|
|
|
+ while Found and (i<LenPat) do
|
|
|
+ begin
|
|
|
+ inc(i);
|
|
|
+ case Pattern[i] of
|
|
|
+ '*' : ;
|
|
|
+ '?' : begin
|
|
|
+ inc(j);
|
|
|
+ Found:=(j<=LenName);
|
|
|
+ end;
|
|
|
+ else
|
|
|
+ Found:=false;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ {Now, find in name the character which i points to, if the * or ?
|
|
|
+ wasn't the last character in the pattern, else, use up all the
|
|
|
+ chars in name}
|
|
|
+ Found:=true;
|
|
|
+ if (i<=LenPat) then
|
|
|
+ begin
|
|
|
+ repeat
|
|
|
+ {find a letter (not only first !) which maches pattern[i]}
|
|
|
+ while (j<=LenName) and (name[j]<>pattern[i]) do
|
|
|
+ inc (j);
|
|
|
+ if (j<LenName) then
|
|
|
+ begin
|
|
|
+ if DoFnMatch(i+1,j+1) then
|
|
|
+ begin
|
|
|
+ i:=LenPat;
|
|
|
+ j:=LenName;{we can stop}
|
|
|
+ Found:=true;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ inc(j);{We didn't find one, need to look further}
|
|
|
+ end;
|
|
|
+ until (j>=LenName);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ j:=LenName;{we can stop}
|
|
|
+ end;
|
|
|
+ else {not a wildcard character in pattern}
|
|
|
+ Found:=(j<=LenName) and (pattern[i]=name[j]);
|
|
|
+ end;
|
|
|
+ inc(i);
|
|
|
+ inc(j);
|
|
|
+ end;
|
|
|
+ DoFnMatch:=Found and (j>LenName);
|
|
|
+ end;
|
|
|
+
|
|
|
+Begin {start FNMatch}
|
|
|
+ LenPat:=Length(Pattern);
|
|
|
+ LenName:=Length(Name);
|
|
|
+ FNMatch:=DoFNMatch(1,1);
|
|
|
+End;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure Globfree(var p : pglob);
|
|
|
+{
|
|
|
+ Release memory occupied by pglob structure, and names in it.
|
|
|
+ sets p to nil.
|
|
|
+}
|
|
|
+var
|
|
|
+ temp : pglob;
|
|
|
+begin
|
|
|
+ while assigned(p) do
|
|
|
+ begin
|
|
|
+ temp:=p^.next;
|
|
|
+ if assigned(p^.name) then
|
|
|
+ freemem(p^.name);
|
|
|
+ dispose(p);
|
|
|
+ p:=temp;
|
|
|
+ end;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function Glob(Const path:pathstr):pglob;
|
|
|
+{
|
|
|
+ Fills a tglob structure with entries matching path,
|
|
|
+ and returns a pointer to it. Returns nil on error,
|
|
|
+ linuxerror is set accordingly.
|
|
|
+}
|
|
|
+var
|
|
|
+ temp,
|
|
|
+ temp2 : string[255];
|
|
|
+ thedir : pdir;
|
|
|
+ buffer : pdirent;
|
|
|
+ root,
|
|
|
+ current : pglob;
|
|
|
+begin
|
|
|
+{ Get directory }
|
|
|
+ temp:=dirname(path);
|
|
|
+ if temp='' then
|
|
|
+ temp:='.';
|
|
|
+ temp:=temp+#0;
|
|
|
+ thedir:=opendir(@temp[1]);
|
|
|
+ if thedir=nil then
|
|
|
+ begin
|
|
|
+ glob:=nil;
|
|
|
+ linuxerror:=errno;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ temp:=basename(path,''); { get the pattern }
|
|
|
+ if thedir^.fd<0 then
|
|
|
+ begin
|
|
|
+ linuxerror:=errno;
|
|
|
+ glob:=nil;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+{get the entries}
|
|
|
+ root:=nil;
|
|
|
+ current:=nil;
|
|
|
+ repeat
|
|
|
+ buffer:=Sys_readdir(thedir);
|
|
|
+ if buffer=nil then
|
|
|
+ break;
|
|
|
+ temp2:=strpas(@(buffer^.name[0]));
|
|
|
+ if fnmatch(temp,temp2) then
|
|
|
+ begin
|
|
|
+ if root=nil then
|
|
|
+ begin
|
|
|
+ new(root);
|
|
|
+ current:=root;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ new(current^.next);
|
|
|
+ current:=current^.next;
|
|
|
+ end;
|
|
|
+ if current=nil then
|
|
|
+ begin
|
|
|
+ linuxerror:=Sys_ENOMEM;
|
|
|
+ globfree(root);
|
|
|
+ break;
|
|
|
+ end;
|
|
|
+ current^.next:=nil;
|
|
|
+ getmem(current^.name,length(temp2)+1);
|
|
|
+ if current^.name=nil then
|
|
|
+ begin
|
|
|
+ linuxerror:=Sys_ENOMEM;
|
|
|
+ globfree(root);
|
|
|
+ break;
|
|
|
+ end;
|
|
|
+ move(buffer^.name[0],current^.name^,length(temp2)+1);
|
|
|
+ end;
|
|
|
+ until false;
|
|
|
+ closedir(thedir);
|
|
|
+ glob:=root;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{--------------------------------
|
|
|
+ FiledescriptorSets
|
|
|
+--------------------------------}
|
|
|
+
|
|
|
+Procedure FD_Zero(var fds:fdSet);
|
|
|
+{
|
|
|
+ Clear the set of filedescriptors
|
|
|
+}
|
|
|
+begin
|
|
|
+ FillChar(fds,sizeof(fdSet),0);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure FD_Clr(fd:longint;var fds:fdSet);
|
|
|
+{
|
|
|
+ Remove fd from the set of filedescriptors
|
|
|
+}
|
|
|
+begin
|
|
|
+ fds[fd shr 5]:=fds[fd shr 5] and (not (1 shl (fd and 31)));
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Procedure FD_Set(fd:longint;var fds:fdSet);
|
|
|
+{
|
|
|
+ Add fd to the set of filedescriptors
|
|
|
+}
|
|
|
+begin
|
|
|
+ fds[fd shr 5]:=fds[fd shr 5] or (1 shl (fd and 31));
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function FD_IsSet(fd:longint;var fds:fdSet):boolean;
|
|
|
+{
|
|
|
+ Test if fd is part of the set of filedescriptors
|
|
|
+}
|
|
|
+begin
|
|
|
+ FD_IsSet:=((fds[fd shr 5] and (1 shl (fd and 31)))<>0);
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function GetFS (var T:Text):longint;
|
|
|
+{
|
|
|
+ Get File Descriptor of a text file.
|
|
|
+}
|
|
|
+begin
|
|
|
+ if textrec(t).mode=fmclosed then
|
|
|
+ exit(-1)
|
|
|
+ else
|
|
|
+ GETFS:=textrec(t).Handle
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function GetFS(Var F:File):longint;
|
|
|
+{
|
|
|
+ Get File Descriptor of an unTyped file.
|
|
|
+}
|
|
|
+begin
|
|
|
+ { Handle and mode are on the same place in textrec and filerec. }
|
|
|
+ if filerec(f).mode=fmclosed then
|
|
|
+ exit(-1)
|
|
|
+ else
|
|
|
+ GETFS:=filerec(f).Handle
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{--------------------------------
|
|
|
+ Stat.Mode Macro's
|
|
|
+--------------------------------}
|
|
|
+
|
|
|
+Function S_ISLNK(m:word):boolean;
|
|
|
+{
|
|
|
+ Check mode field of inode for link.
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISLNK:=(m and STAT_IFMT)=STAT_IFLNK;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function S_ISREG(m:word):boolean;
|
|
|
+{
|
|
|
+ Check mode field of inode for regular file.
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISREG:=(m and STAT_IFMT)=STAT_IFREG;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function S_ISDIR(m:word):boolean;
|
|
|
+
|
|
|
+{
|
|
|
+ Check mode field of inode for directory.
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISDIR:=(m and STAT_IFMT)=STAT_IFDIR;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function S_ISCHR(m:word):boolean;
|
|
|
+{
|
|
|
+ Check mode field of inode for character device.
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISCHR:=(m and STAT_IFMT)=STAT_IFCHR;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function S_ISBLK(m:word):boolean;
|
|
|
+{
|
|
|
+ Check mode field of inode for block device.
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISBLK:=(m and STAT_IFMT)=STAT_IFBLK;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function S_ISFIFO(m:word):boolean;
|
|
|
+{
|
|
|
+ Check mode field of inode for named pipe (FIFO).
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISFIFO:=(m and STAT_IFMT)=STAT_IFIFO;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Function S_ISSOCK(m:word):boolean;
|
|
|
+{
|
|
|
+ Check mode field of inode for socket.
|
|
|
+}
|
|
|
+begin
|
|
|
+ S_ISSOCK:=(m and STAT_IFMT)=STAT_IFSOCK;
|
|
|
+end;
|
|
|
+
|
|
|
+
|
|
|
+{--------------------------------
|
|
|
+ Memory functions
|
|
|
+--------------------------------}
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+Initialization
|
|
|
+ InitLocalTime;
|
|
|
+
|
|
|
+finalization
|
|
|
+ DoneLocalTime;
|
|
|
+
|
|
|
+End.
|
|
|
+
|
|
|
+{
|
|
|
+ $Log$
|
|
|
+ Revision 1.1 2001-01-21 20:21:41 marco
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+ * Rename fest II. Rtl OK
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+
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+ Revision 1.6 2000/12/28 20:42:12 peter
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+ * ttyname fix from the mailinglist (merged)
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+
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+ Revision 1.5 2000/10/26 22:51:12 peter
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+ * nano sleep (merged)
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+
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+ Revision 1.4 2000/10/11 13:59:16 marco
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+ * FreeBSD TermIOS support and minor changes to some related files.
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+
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+ Revision 1.3 2000/10/10 12:02:35 marco
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+ * Terminal stuff of Linux moved to separate file. I think it is too
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+ much to do with ifdefs.
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+
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+ Revision 1.2 2000/09/18 13:14:50 marco
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+ * Global Linux +bsd to (rtl/freebsd rtl/unix rtl/linux structure)
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+
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+ Revision 1.7 2000/09/12 08:51:43 marco
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+ * fixed some small problems left from merging. (waitpid has now last param longint)
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+
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+ Revision 1.6 2000/09/11 14:05:31 marco
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+ * FreeBSD support and removed old signalhandling
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+
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+ Revision 1.5 2000/09/06 20:47:34 peter
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+ * removed previous fsplit() patch as it's not the correct behaviour for
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+ LFNs. The code showing the bug could easily be adapted (merged)
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+
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+ Revision 1.4 2000/09/04 20:17:53 peter
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+ * fixed previous commit (merged)
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+
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+ Revision 1.3 2000/09/04 19:38:13 peter
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+ * fsplit with .. fix from Thomas (merged)
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+
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+ Revision 1.2 2000/07/13 11:33:48 michael
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+ + removed logs
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+
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+}
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marco