fpc/rtl/linux/filutil.inc
1999-05-14 22:19:34 +00:00

320 lines
6.5 KiB
PHP

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1998 by the Free Pascal development team
File utility calls
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
Function FileOpen (Const FileName : string; Mode : Integer) : Longint;
Var LinuxFlags : longint;
BEGIN
LinuxFlags:=0;
Case (Mode and 3) of
0 : LinuxFlags:=LinuxFlags or Open_RdOnly;
1 : LinuxFlags:=LinuxFlags or Open_WrOnly;
2 : LinuxFlags:=LinuxFlags or Open_RdWr;
end;
FileOpen:=fdOpen (FileName,LinuxFlags);
//!! We need to set locking based on Mode !!
end;
Function FileCreate (Const FileName : String) : Longint;
begin
FileCreate:=fdOpen(FileName,Open_RdWr or Open_Creat or Open_Trunc);
end;
Function FileRead (Handle : Longint; Var Buffer; Count : longint) : Longint;
begin
FileRead:=fdRead (Handle,Buffer,Count);
end;
Function FileWrite (Handle : Longint; Var Buffer; Count : Longint) : Longint;
begin
FileWrite:=fdWrite (Handle,Buffer,Count);
end;
Function FileSeek (Handle,Offset,Origin : Longint) : Longint;
begin
FileSeek:=fdSeek (Handle,Offset,Origin);
end;
Procedure FileClose (Handle : Longint);
begin
fdclose(Handle);
end;
Function FileTruncate (Handle,Size: Longint) : boolean;
begin
FileTruncate:=fdtruncate(Handle,Size);
end;
Function FileAge (Const FileName : String): Longint;
Var Info : Stat;
Y,M,D,hh,mm,ss : word;
begin
If not fstat (FileName,Info) then
exit(-1)
else
begin
EpochToLocal(info.mtime,y,m,d,hh,mm,ss);
Result:=DateTimeToFileDate(EncodeDate(y,m,d)+EncodeTime(hh,mm,ss,0));
end;
end;
Function FileExists (Const FileName : String) : Boolean;
Var Info : Stat;
begin
FileExists:=fstat(filename,Info);
end;
Function LinuxToWinAttr (FN : Char; Const Info : Stat) : Longint;
begin
Result:=faArchive;
If FN='.' then
Result:=Result or faHidden;
If (Info.Mode and STAT_IFDIR)=STAT_IFDIR then
Result:=Result or faDirectory;
If (Info.Mode and STAT_IWUSR)=0 Then
Result:=Result or faReadOnly;
If (Info.Mode and
(STAT_IFSOCK or STAT_IFBLK or STAT_IFCHR or STAT_IFIFO))<>0 then
Result:=Result or faSysFile;
end;
{
GlobToSearch takes a glob entry, stats the file.
The glob entry is removed.
If FileAttributes match, the entry is reused
}
Function GlobToTSearchRec (Var Info : TSearchRec) : Boolean;
Var SInfo : Stat;
p : Pglob;
TAttr : Longint;
begin
TAttr:=$ffffffff;
P:=pglob(Info.FindHandle);
Result:=P<>Nil;
If Result then
begin
Info.FindHandle:=Longint(P^.Next);
Result:=Fstat(p^.name,SInfo);
If Result then
begin
Info.Attr:=LinuxToWinAttr(p^.name[0],SInfo);
Result:=(Info.ExcludeAttr and TAttr)<>0;
If Result Then
With Info do
begin
Attr:=Info.Attr;
If P^.Name<>Nil then
Name:=strpas(p^.name);
Time:=Sinfo.mtime;
Size:=Sinfo.Size;
end;
end;
P^.Next:=Nil;
GlobFree(P);
end;
end;
Function DoFind(Var Rslt : TSearchRec) : Longint;
begin
Result:=-1;
If Rslt.FindHandle<>0 then
While (Rslt.FindHandle<>0) and not (Result=0) do
If GlobToTSearchRec(Rslt) Then Result:=0;
end;
Function FindFirst (Const Path : String; Attr : Longint; Var Rslt : TSearchRec) : Longint;
begin
Rslt.ExcludeAttr:=Attr; //!! Not correct !!
Rslt.FindHandle:=Longint(Glob(Path));
Result:=DoFind (Rslt);
end;
Function FindNext (Var Rslt : TSearchRec) : Longint;
begin
Result:=DoFind (Rslt);
end;
Procedure FindClose (Var F : TSearchrec);
begin
GlobFree (PGlob(F.FindHandle));
end;
Function FileGetDate (Handle : Longint) : Longint;
Var Info : Stat;
begin
If Not(FStat(Handle,Info)) then
Result:=-1
else
Result:=Info.Mtime;
end;
Function FileSetDate (Handle,Age : Longint) : Longint;
begin
// Impossible under Linux from FileHandle !!
FileSetDate:=-1;
end;
Function FileGetAttr (Const FileName : String) : Longint;
Var Info : Stat;
begin
If Not FStat (FileName,Info) then
Result:=-1
Else
Result:=LinuxToWinAttr(FileName[1],Info);
end;
Function FileSetAttr (Const Filename : String; Attr: longint) : Longint;
begin
Result:=-1;
end;
Function DeleteFile (Const FileName : String) : Boolean;
begin
Result:=UnLink (FileName);
end;
Function RenameFile (Const OldName, NewName : String) : Boolean;
begin
RenameFile:=Linux.FRename(OldNAme,NewName);
end;
Function FileSearch (Const Name, DirList : String) : String;
begin
FileSearch:=Linux.FSearch(Name,Dirlist);
end;
Procedure GetLocalTime(var SystemTime: TSystemTime);
begin
linux.GetTime(SystemTime.Hour, SystemTime.Minute, SystemTime.Second);
linux.GetDate(SystemTime.Year, SystemTime.Month, SystemTime.Day);
SystemTime.MilliSecond := 0;
end ;
Procedure InitAnsi;
Var i : longint;
begin
{ Fill table entries 0 to 127 }
for i := 0 to 96 do
UpperCaseTable[i] := chr(i);
for i := 97 to 122 do
UpperCaseTable[i] := chr(i - 32);
for i := 123 to 191 do
UpperCaseTable[i] := chr(i);
Move (CPISO88591UCT,UpperCaseTable[192],SizeOf(CPISO88591UCT));
for i := 0 to 64 do
LowerCaseTable[i] := chr(i);
for i := 65 to 90 do
LowerCaseTable[i] := chr(i + 32);
for i := 91 to 191 do
LowerCaseTable[i] := chr(i);
Move (CPISO88591LCT,UpperCaseTable[192],SizeOf(CPISO88591UCT));
end;
Procedure InitInternational;
begin
InitAnsi;
end;
{
$Log$
Revision 1.11 1999-05-14 22:19:34 michael
* Some more fixes.
Revision 1.10 1999/05/13 21:54:09 michael
* Fixed FileAge and corrected FileGetAttr
Revision 1.9 1999/04/08 11:31:01 peter
* removed warnings
Revision 1.8 1999/02/28 13:18:10 michael
+ Added internationalization support
Revision 1.7 1999/02/24 15:57:29 michael
+ Moved getlocaltime to system-dependent files
Revision 1.6 1999/02/04 21:43:08 michael
FileCreate must truncate the file
Revision 1.5 1999/02/02 21:20:34 michael
+ Added filetruncate, corrected FileCreate
Revision 1.4 1998/12/15 22:43:07 peter
* removed temp symbols
Revision 1.3 1998/11/10 14:57:55 peter
* renamed rename -> FRename
Revision 1.2 1998/10/13 10:20:07 peter
* fix for 0.99.8 which has no auto pchar-string ;)
Revision 1.1 1998/10/11 12:21:01 michael
Added file calls. Implemented for linux only
}