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{
This file is part of the Free Pascal run time library.
A file in Amiga system run time library.
Copyright (c) 1998-2003 by Nils Sjoholm
member of the Amiga RTL development team.
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.
**********************************************************************}
{
This is just a temporary unit I made for some of
my demos. I hope it will vanish in time.
Added the define use_amiga_smartlink.
13 Jan 2003.
nils.sjoholm@mailbox.swipnet.se
}
{$I useamigasmartlink.inc}
{$ifdef use_amiga_smartlink}
{$smartlink on}
{$endif use_amiga_smartlink}
unit amigautils;
interface
uses strings;
function ExtractFilePath(FileName: PChar): PChar;
function FileType(thefile : PChar): Longint;
Function PathAndFile(Path,FName : PChar): PChar;
FUNCTION PathOf(Name : PChar): PChar;
Function LongToStr (I : Longint) : String;
implementation
type
pDateStamp = ^tDateStamp;
tDateStamp = record
ds_Days : Longint; { Number of days since Jan. 1, 1978 }
ds_Minute : Longint; { Number of minutes past midnight }
ds_Tick : Longint; { Number of ticks past minute }
end;
{$PACKRECORDS 4}
Type
{ Returned by Examine() and ExInfo(), must be on a 4 byte boundary }
pFileInfoBlock = ^tFileInfoBlock;
tFileInfoBlock = record
fib_DiskKey : Longint;
fib_DirEntryType : Longint;
{ Type of Directory. If < 0, then a plain file.
If > 0 a directory }
fib_FileName : Array [0..107] of Char;
{ Null terminated. Max 30 chars used for now }
fib_Protection : Longint;
{ bit mask of protection, rwxd are 3-0. }
fib_EntryType : Longint;
fib_Size : Longint; { Number of bytes in file }
fib_NumBlocks : Longint; { Number of blocks in file }
fib_Date : tDateStamp; { Date file last changed }
fib_Comment : Array [0..79] of Char;
{ Null terminated comment associated with file }
fib_OwnerUID : Word;
fib_OwnerGID : Word;
fib_Reserved : Array [0..31] of Char;
end;
{$PACKRECORDS NORMAL}
FUNCTION Examine(lock : LONGINT; fileInfoBlock : pFileInfoBlock) : BOOLEAN;
BEGIN
ASM
MOVE.L A6,-(A7)
MOVE.L lock,D1
MOVE.L fileInfoBlock,D2
MOVEA.L _DOSBase,A6
JSR -102(A6)
MOVEA.L (A7)+,A6
TST.L D0
BEQ.B @end
MOVEQ #1,D0
@end: MOVE.B D0,@RESULT
END;
END;
FUNCTION Lock(name : pCHAR; type_ : LONGINT) : LONGINT;
BEGIN
ASM
MOVE.L A6,-(A7)
MOVE.L name,D1
MOVE.L type_,D2
MOVEA.L _DOSBase,A6
JSR -084(A6)
MOVEA.L (A7)+,A6
MOVE.L D0,@RESULT
END;
END;
PROCEDURE UnLock(lock : LONGINT);
BEGIN
ASM
MOVE.L A6,-(A7)
MOVE.L lock,D1
MOVEA.L _DOSBase,A6
JSR -090(A6)
MOVEA.L (A7)+,A6
END;
END;
FUNCTION PCharCopy(s: PChar; thepos , len : Longint): PChar;
VAR
dummy : PChar;
BEGIN
getmem(dummy,len+1);
dummy := strlcopy(dummy,@s[thepos],len);
PCharCopy := dummy;
END;
function ExtractFilePath(FileName: PChar): PChar;
var
I: Longint;
begin
I := strlen(FileName);
while (I > 0) and not ((FileName[I] = '/') or (FileName[I] = ':')) do Dec(I);
ExtractFilePath := PCharCopy(FileName, 0, I+1);
end;
function FileType(thefile : PChar): Longint;
VAR
fib : pFileInfoBlock;
mylock : Longint;
mytype : Longint;
begin
mytype := 0;
new(fib);
mylock := Lock(thefile, -2);
IF mylock <> 0 THEN begin
IF Examine(mylock, fib) THEN begin
mytype := fib^.fib_DirEntryType;
UnLock(mylock);
END;
END;
dispose(fib);
FileType := mytype
END;
Function PathAndFile(Path,FName : PChar): PChar;
var
LastChar : CHAR;
Temparray : ARRAY [0..255] OF CHAR;
Temp : PChar;
BEGIN
Temp := @Temparray;
if strlen(Path) > 0 then begin
strcopy(Temp, Path);
LastChar := Temp[Pred(strlen(Temp))];
if (LastChar <> '/') and (LastChar <> ':') then
strcat(Temp, PChar('/'#0));
if strlen(FName) > 0 then
strcat(Temp,FName);
end;
if strlen(Temp) > 0 then begin
PathAndFile := PCharCopy(Temp,0,Strlen(Temp));
end else begin
PathAndFile := nil;
end;
end;
FUNCTION PathOf(Name : PChar): PChar;
begin
PathOf := ExtractFilePath(Name);
end;
Function LongToStr (I : Longint) : String;
Var
S : String;
begin
Str (I,S);
LongToStr:=S;
end;
end.
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