mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 04:11:35 +01:00
+ most of file I/O calls implemented
This commit is contained in:
Károly Balogh
parent
98bf46482b
commit
e70e1290d3
@ -3,7 +3,10 @@
|
||||
This file is part of the Free Pascal run time library.
|
||||
Copyright (c) 2004 by Karoly Balogh for Genesi Sarl
|
||||
|
||||
System unit for MorphOS.
|
||||
System unit for MorphOS/PowerPC
|
||||
|
||||
Uses parts of the Amiga/68k port by Carl Eric Codere
|
||||
and Nils Sjoholm
|
||||
|
||||
See the file COPYING.FPC, included in this distribution,
|
||||
for details about the copyright.
|
||||
@ -14,13 +17,6 @@
|
||||
|
||||
**********************************************************************}
|
||||
|
||||
{ These things are set in the makefile, }
|
||||
{ But you can override them here.}
|
||||
|
||||
|
||||
{ If you use an aout system, set the conditional AOUT}
|
||||
{ $Define AOUT}
|
||||
|
||||
unit {$ifdef VER1_0}SysMorph{$else}System{$endif};
|
||||
|
||||
interface
|
||||
@ -52,27 +48,146 @@ const
|
||||
sLineBreak : string[1] = LineEnding;
|
||||
DefaultTextLineBreakStyle : TTextLineBreakStyle = tlbsLF;
|
||||
|
||||
BreakOn : Boolean = True;
|
||||
|
||||
var
|
||||
MOS_ExecBase : LongInt; external name '_ExecBase';
|
||||
MOS_ExecBase : Pointer; external name '_ExecBase';
|
||||
MOS_DOSBase : Pointer;
|
||||
|
||||
int_heap : LongInt; external name 'HEAP';
|
||||
int_heapsize : LongInt; external name 'HEAPSIZE';
|
||||
MOS_heapPool : Pointer; { pointer for the OS pool for growing the heap }
|
||||
|
||||
function exec_OpenLibrary(libname: PChar location 'a1'; libver: LongInt location 'd0'; LIBBASE: DWORD LOCATION 'LIBBASE') : LongInt; SysCall 552;
|
||||
|
||||
{ MorphOS functions }
|
||||
|
||||
function exec_OpenLibrary(libname: PChar location 'a1';
|
||||
libver: LongInt location 'd0'): Pointer; SysCall MOS_ExecBase 552;
|
||||
procedure exec_CloseLibrary(libhandle: Pointer location 'a1'); SysCall MOS_ExecBase 414;
|
||||
|
||||
function exec_CreatePool(memflags: LongInt location 'd0';
|
||||
puddleSize: LongInt location 'd1';
|
||||
threshSize: LongInt location 'd2'): Pointer; SysCall MOS_ExecBase 696;
|
||||
procedure exec_DeletePool(poolHeader: Pointer location 'a0'); SysCall MOS_ExecBase 702;
|
||||
function exec_AllocPooled(poolHeader: Pointer location 'a0';
|
||||
memSize: LongInt location 'd0'): Pointer; SysCall MOS_ExecBase 708;
|
||||
function exec_SetSignal(newSignals: LongInt location 'd0';
|
||||
signalMask: LongInt location 'd1'): LongInt; SysCall MOS_ExecBase 306;
|
||||
|
||||
function dos_Output: LongInt; SysCall MOS_DOSBase 60;
|
||||
function dos_Input: LongInt; SysCall MOS_DOSBase 54;
|
||||
function dos_IoErr: LongInt; SysCall MOS_DOSBase 132;
|
||||
|
||||
function dos_Open(fname: PChar location 'd1';
|
||||
accessMode: LongInt location 'd2'): LongInt; SysCall MOS_DOSBase 30;
|
||||
function dos_Close(fileh: LongInt location 'd1'): Boolean; SysCall MOS_DOSBase 36;
|
||||
|
||||
function dos_Seek(fileh: LongInt location 'd1';
|
||||
position: LongInt location 'd2';
|
||||
posmode: LongInt location 'd3'): LongInt; SysCall MOS_DOSBase 66;
|
||||
function dos_SetFileSize(fileh: LongInt location 'd1';
|
||||
position: LongInt location 'd2';
|
||||
posmode: LongInt location 'd3'): LongInt; SysCall MOS_DOSBase 456;
|
||||
|
||||
function dos_Read(fileh: LongInt location 'd1';
|
||||
buffer: Pointer location 'd2';
|
||||
length: LongInt location 'd3'): LongInt; SysCall MOS_DOSBase 40;
|
||||
function dos_Write(fileh: LongInt location 'd1';
|
||||
buffer: Pointer location 'd2';
|
||||
length: LongInt location 'd3'): LongInt; SysCall MOS_DOSBase 48;
|
||||
function dos_WriteChars(buf: PChar location 'd1';
|
||||
buflen: LongInt location 'd2'): LongInt; SysCall MOS_DOSBase 942;
|
||||
|
||||
function dos_Rename(oldName: PChar location 'd1';
|
||||
newName: PChar location 'd2'): Boolean; SysCall MOS_DOSBase 78;
|
||||
function dos_DeleteFile(fname: PChar location 'd1'): Boolean; SysCall MOS_DOSBase 72;
|
||||
|
||||
function dos_GetCurrentDirName(buf: PChar location 'd1';
|
||||
len: LongInt location 'd2'): Boolean; SysCall MOS_DOSBase 564;
|
||||
|
||||
function dos_Lock(lname: PChar location 'd1';
|
||||
accessMode: LongInt location 'd2'): LongInt; SysCall MOS_DOSBase 84;
|
||||
|
||||
implementation
|
||||
|
||||
{$I system.inc}
|
||||
|
||||
|
||||
{ OS dependant parts }
|
||||
|
||||
{ $I errno.inc} // error numbers
|
||||
{ $I bunxtype.inc} // c-types, unix base types, unix
|
||||
// base structures
|
||||
{ Errors from dos_IoErr(), etc. }
|
||||
const
|
||||
ERROR_NO_FREE_STORE = 103;
|
||||
ERROR_TASK_TABLE_FULL = 105;
|
||||
ERROR_BAD_TEMPLATE = 114;
|
||||
ERROR_BAD_NUMBER = 115;
|
||||
ERROR_REQUIRED_ARG_MISSING = 116;
|
||||
ERROR_KEY_NEEDS_ARG = 117;
|
||||
ERROR_TOO_MANY_ARGS = 118;
|
||||
ERROR_UNMATCHED_QUOTES = 119;
|
||||
ERROR_LINE_TOO_LONG = 120;
|
||||
ERROR_FILE_NOT_OBJECT = 121;
|
||||
ERROR_INVALID_RESIDENT_LIBRARY = 122;
|
||||
ERROR_NO_DEFAULT_DIR = 201;
|
||||
ERROR_OBJECT_IN_USE = 202;
|
||||
ERROR_OBJECT_EXISTS = 203;
|
||||
ERROR_DIR_NOT_FOUND = 204;
|
||||
ERROR_OBJECT_NOT_FOUND = 205;
|
||||
ERROR_BAD_STREAM_NAME = 206;
|
||||
ERROR_OBJECT_TOO_LARGE = 207;
|
||||
ERROR_ACTION_NOT_KNOWN = 209;
|
||||
ERROR_INVALID_COMPONENT_NAME = 210;
|
||||
ERROR_INVALID_LOCK = 211;
|
||||
ERROR_OBJECT_WRONG_TYPE = 212;
|
||||
ERROR_DISK_NOT_VALIDATED = 213;
|
||||
ERROR_DISK_WRITE_PROTECTED = 214;
|
||||
ERROR_RENAME_ACROSS_DEVICES = 215;
|
||||
ERROR_DIRECTORY_NOT_EMPTY = 216;
|
||||
ERROR_TOO_MANY_LEVELS = 217;
|
||||
ERROR_DEVICE_NOT_MOUNTED = 218;
|
||||
ERROR_SEEK_ERROR = 219;
|
||||
ERROR_COMMENT_TOO_BIG = 220;
|
||||
ERROR_DISK_FULL = 221;
|
||||
ERROR_DELETE_PROTECTED = 222;
|
||||
ERROR_WRITE_PROTECTED = 223;
|
||||
ERROR_READ_PROTECTED = 224;
|
||||
ERROR_NOT_A_DOS_DISK = 225;
|
||||
ERROR_NO_DISK = 226;
|
||||
ERROR_NO_MORE_ENTRIES = 232;
|
||||
{ added for AOS 1.4 }
|
||||
ERROR_IS_SOFT_LINK = 233;
|
||||
ERROR_OBJECT_LINKED = 234;
|
||||
ERROR_BAD_HUNK = 235;
|
||||
ERROR_NOT_IMPLEMENTED = 236;
|
||||
ERROR_RECORD_NOT_LOCKED = 240;
|
||||
ERROR_LOCK_COLLISION = 241;
|
||||
ERROR_LOCK_TIMEOUT = 242;
|
||||
ERROR_UNLOCK_ERROR = 243;
|
||||
|
||||
{ DOS file offset modes }
|
||||
const
|
||||
OFFSET_BEGINNING = -1;
|
||||
OFFSET_CURRENT = 0;
|
||||
OFFSET_END = 1;
|
||||
|
||||
{ $I ossysc.inc} // base syscalls
|
||||
{ $I osmain.inc} // base wrappers *nix RTL (derivatives)
|
||||
{ Memory flags }
|
||||
const
|
||||
MEMF_ANY = 0;
|
||||
MEMF_PUBLIC = 1 Shl 0;
|
||||
MEMF_CHIP = 1 Shl 1;
|
||||
MEMF_FAST = 1 Shl 2;
|
||||
MEMF_LOCAL = 1 Shl 8;
|
||||
MEMF_24BITDMA = 1 Shl 9;
|
||||
MEMF_KICK = 1 Shl 10;
|
||||
|
||||
MEMF_CLEAR = 1 Shl 16;
|
||||
MEMF_LARGEST = 1 Shl 17;
|
||||
MEMF_REVERSE = 1 Shl 18;
|
||||
MEMF_TOTAL = 1 Shl 19;
|
||||
|
||||
MEMF_NO_EXPUNGE = 1 Shl 31;
|
||||
|
||||
const
|
||||
CTRL_C = 20; { Error code on CTRL-C press }
|
||||
SIGBREAKF_CTRL_C = $1000; { CTRL-C signal flags }
|
||||
|
||||
|
||||
{*****************************************************************************
|
||||
@ -83,9 +198,68 @@ procedure haltproc(e:longint);cdecl;external name '_haltproc';
|
||||
|
||||
procedure System_exit;
|
||||
begin
|
||||
if MOS_DOSBase<>NIL then exec_CloseLibrary(MOS_DOSBase);
|
||||
if MOS_heapPool<>NIL then exec_DeletePool(MOS_heapPool);
|
||||
haltproc(ExitCode);
|
||||
End;
|
||||
end;
|
||||
|
||||
{ Converts a MorphOS dos.library error code to a TP compatible error code }
|
||||
{ Based on 1.0.x Amiga RTL }
|
||||
procedure dosError2InOut(errno: LongInt);
|
||||
begin
|
||||
case errno of
|
||||
ERROR_BAD_NUMBER,
|
||||
ERROR_ACTION_NOT_KNOWN,
|
||||
ERROR_NOT_IMPLEMENTED : InOutRes := 1;
|
||||
|
||||
ERROR_OBJECT_NOT_FOUND : InOutRes := 2;
|
||||
ERROR_DIR_NOT_FOUND : InOutRes := 3;
|
||||
ERROR_DISK_WRITE_PROTECTED : InOutRes := 150;
|
||||
ERROR_OBJECT_WRONG_TYPE : InOutRes := 151;
|
||||
|
||||
ERROR_OBJECT_EXISTS,
|
||||
ERROR_DELETE_PROTECTED,
|
||||
ERROR_WRITE_PROTECTED,
|
||||
ERROR_READ_PROTECTED,
|
||||
ERROR_OBJECT_IN_USE,
|
||||
ERROR_DIRECTORY_NOT_EMPTY : InOutRes := 5;
|
||||
|
||||
ERROR_NO_MORE_ENTRIES : InOutRes := 18;
|
||||
ERROR_RENAME_ACROSS_DEVICES : InOutRes := 17;
|
||||
ERROR_DISK_FULL : InOutRes := 101;
|
||||
ERROR_INVALID_RESIDENT_LIBRARY : InoutRes := 153;
|
||||
ERROR_BAD_HUNK : InOutRes := 153;
|
||||
ERROR_NOT_A_DOS_DISK : InOutRes := 157;
|
||||
|
||||
ERROR_NO_DISK,
|
||||
ERROR_DISK_NOT_VALIDATED,
|
||||
ERROR_DEVICE_NOT_MOUNTED : InOutRes := 152;
|
||||
|
||||
ERROR_SEEK_ERROR : InOutRes := 156;
|
||||
|
||||
ERROR_LOCK_COLLISION,
|
||||
ERROR_LOCK_TIMEOUT,
|
||||
ERROR_UNLOCK_ERROR,
|
||||
ERROR_INVALID_LOCK,
|
||||
ERROR_INVALID_COMPONENT_NAME,
|
||||
ERROR_BAD_STREAM_NAME,
|
||||
ERROR_FILE_NOT_OBJECT : InOutRes := 6;
|
||||
else
|
||||
InOutres := errno;
|
||||
end;
|
||||
end;
|
||||
|
||||
{ Used for CTRL_C checking in I/O calls }
|
||||
procedure checkCTRLC;
|
||||
begin
|
||||
if BreakOn then begin
|
||||
if (exec_SetSignal(0,0) And SIGBREAKF_CTRL_C)<>0 then begin
|
||||
{ Clear CTRL-C signal }
|
||||
exec_SetSignal(0,SIGBREAKF_CTRL_C);
|
||||
Halt(CTRL_C);
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
{*****************************************************************************
|
||||
ParamStr/Randomize
|
||||
@ -122,6 +296,10 @@ end;
|
||||
Heap Management
|
||||
*****************************************************************************}
|
||||
|
||||
var
|
||||
int_heap : LongInt; external name 'HEAP';
|
||||
int_heapsize : LongInt; external name 'HEAPSIZE';
|
||||
|
||||
{ first address of heap }
|
||||
function getheapstart:pointer;
|
||||
begin
|
||||
@ -136,74 +314,173 @@ end;
|
||||
|
||||
{ function to allocate size bytes more for the program }
|
||||
{ must return the first address of new data space or nil if fail }
|
||||
function Sbrk(size : longint):pointer;{assembler;
|
||||
asm
|
||||
movl size,%eax
|
||||
pushl %eax
|
||||
call ___sbrk
|
||||
addl $4,%esp
|
||||
end;}
|
||||
function Sbrk(size : longint):pointer;
|
||||
begin
|
||||
Sbrk:=nil;
|
||||
Sbrk:=exec_AllocPooled(MOS_heapPool,size);
|
||||
end;
|
||||
|
||||
{$I heap.inc}
|
||||
|
||||
|
||||
{*****************************************************************************
|
||||
Directory Handling
|
||||
*****************************************************************************}
|
||||
procedure mkdir(const s : string);[IOCheck];
|
||||
begin
|
||||
checkCTRLC;
|
||||
InOutRes:=1;
|
||||
end;
|
||||
|
||||
procedure rmdir(const s : string);[IOCheck];
|
||||
var
|
||||
buffer : array[0..255] of char;
|
||||
j : Integer;
|
||||
temp : string;
|
||||
begin
|
||||
checkCTRLC;
|
||||
if (s='.') then InOutRes:=16;
|
||||
If (s='') or (InOutRes<>0) then exit;
|
||||
temp:=s;
|
||||
for j:=1 to length(temp) do
|
||||
if temp[j] = '\' then temp[j] := '/';
|
||||
move(temp[1],buffer,length(temp));
|
||||
buffer[length(temp)]:=#0;
|
||||
if not dos_DeleteFile(buffer) then
|
||||
dosError2InOut(dos_IoErr);
|
||||
end;
|
||||
|
||||
procedure chdir(const s : string);[IOCheck];
|
||||
begin
|
||||
checkCTRLC;
|
||||
InOutRes:=1;
|
||||
end;
|
||||
|
||||
procedure GetDir (DriveNr: byte; var Dir: ShortString);
|
||||
var tmpbuf: array[0..255] of char;
|
||||
begin
|
||||
checkCTRLC;
|
||||
Dir:='';
|
||||
if not dos_GetCurrentDirName(tmpbuf,256) then
|
||||
dosError2InOut(dos_IoErr)
|
||||
else
|
||||
Dir:=strpas(tmpbuf);
|
||||
end;
|
||||
|
||||
|
||||
{****************************************************************************
|
||||
Low level File Routines
|
||||
All these functions can set InOutRes on errors
|
||||
****************************************************************************}
|
||||
****************************************************************************}
|
||||
|
||||
{ close a file from the handle value }
|
||||
procedure do_close(handle : longint);
|
||||
begin
|
||||
InOutRes:=1;
|
||||
{ Do _NOT_ check CTRL_C on Close, because it will conflict
|
||||
with System_Exit! }
|
||||
if not dos_Close(handle) then
|
||||
dosError2InOut(dos_IoErr);
|
||||
end;
|
||||
|
||||
procedure do_erase(p : pchar);
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
if not dos_DeleteFile(p) then
|
||||
dosError2InOut(dos_IoErr);
|
||||
end;
|
||||
|
||||
procedure do_rename(p1,p2 : pchar);
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
if not dos_Rename(p1,p2) then
|
||||
dosError2InOut(dos_IoErr);
|
||||
end;
|
||||
|
||||
function do_write(h:longint; addr: pointer; len: longint) : longint;
|
||||
var dosResult: LongInt;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
do_write:=0;
|
||||
if len<=0 then exit;
|
||||
|
||||
dosResult:=dos_Write(h,addr,len);
|
||||
if dosResult<0 then begin
|
||||
dosError2InOut(dos_IoErr);
|
||||
end else begin
|
||||
do_write:=dosResult;
|
||||
end;
|
||||
end;
|
||||
|
||||
function do_read(h:longint; addr: pointer; len: longint) : longint;
|
||||
var dosResult: LongInt;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
do_read:=0;
|
||||
if len<=0 then exit;
|
||||
|
||||
dosResult:=dos_Write(h,addr,len);
|
||||
if dosResult<0 then begin
|
||||
dosError2InOut(dos_IoErr);
|
||||
end else begin
|
||||
do_read:=dosResult;
|
||||
end
|
||||
end;
|
||||
|
||||
function do_filepos(handle : longint) : longint;
|
||||
var dosResult: LongInt;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
do_filepos:=0;
|
||||
|
||||
{ Seeking zero from OFFSET_CURRENT to find out where we are }
|
||||
dosResult:=dos_Seek(handle,0,OFFSET_CURRENT);
|
||||
if dosResult<0 then begin
|
||||
dosError2InOut(dos_IoErr);
|
||||
end else begin
|
||||
do_filepos:=dosResult;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure do_seek(handle,pos : longint);
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
{ Seeking from OFFSET_BEGINNING }
|
||||
if dos_Seek(handle,pos,OFFSET_BEGINNING)<0 then
|
||||
dosError2InOut(dos_IoErr);
|
||||
end;
|
||||
|
||||
function do_seekend(handle:longint):longint;
|
||||
var dosResult: LongInt;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
do_seekend:=0;
|
||||
|
||||
{ Seeking to OFFSET_END }
|
||||
dosResult:=dos_Seek(handle,0,OFFSET_END);
|
||||
if dosResult<0 then begin
|
||||
dosError2InOut(dos_IoErr);
|
||||
end else begin
|
||||
do_seekend:=dosResult;
|
||||
end
|
||||
end;
|
||||
|
||||
function do_filesize(handle : longint) : longint;
|
||||
var currfilepos: longint;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
currfilepos:=do_filepos(handle);
|
||||
{ We have to do this twice, because seek returns the OLD position }
|
||||
do_filesize:=do_seekend(handle);
|
||||
do_filesize:=do_seekend(handle);
|
||||
do_seek(handle,currfilepos)
|
||||
end;
|
||||
|
||||
{ truncate at a given position }
|
||||
procedure do_truncate (handle,pos:longint);
|
||||
begin
|
||||
InOutRes:=1;
|
||||
checkCTRLC;
|
||||
{ Seeking from OFFSET_BEGINNING }
|
||||
if dos_SetFileSize(handle,pos,OFFSET_BEGINNING)<0 then
|
||||
dosError2InOut(dos_IoErr);
|
||||
end;
|
||||
|
||||
procedure do_open(var f;p:pchar;flags:longint);
|
||||
@ -214,13 +491,115 @@ procedure do_open(var f;p:pchar;flags:longint);
|
||||
when (flags and $100) the file will be truncate/rewritten
|
||||
when (flags and $1000) there is no check for close (needed for textfiles)
|
||||
}
|
||||
var
|
||||
i,j : LongInt;
|
||||
openflags: LongInt;
|
||||
path : String;
|
||||
buffer : array[0..255] of Char;
|
||||
index : Integer;
|
||||
s : String;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
path:=strpas(p);
|
||||
for index:=1 to length(path) do
|
||||
if path[index]='\' then path[index]:='/';
|
||||
{ remove any dot characters and replace by their current }
|
||||
{ directory equivalent. }
|
||||
|
||||
{ look for parent directory }
|
||||
if pos('../',path) = 1 then
|
||||
begin
|
||||
delete(path,1,3);
|
||||
getdir(0,s);
|
||||
j:=length(s);
|
||||
while (s[j] <> '/') AND (s[j] <> ':') AND (j > 0 ) do
|
||||
dec(j);
|
||||
if j > 0 then
|
||||
s:=copy(s,1,j);
|
||||
path:=s+path;
|
||||
end
|
||||
else
|
||||
|
||||
{ look for current directory }
|
||||
if pos('./',path) = 1 then
|
||||
begin
|
||||
delete(path,1,2);
|
||||
getdir(0,s);
|
||||
if (s[length(s)] <> '/') and (s[length(s)] <> ':') then
|
||||
s:=s+'/';
|
||||
path:=s+path;
|
||||
end;
|
||||
|
||||
move(path[1],buffer,length(path));
|
||||
buffer[length(path)]:=#0;
|
||||
|
||||
{ close first if opened }
|
||||
if ((flags and $10000)=0) then
|
||||
begin
|
||||
case filerec(f).mode of
|
||||
fminput,fmoutput,fminout : Do_Close(filerec(f).handle);
|
||||
fmclosed : ;
|
||||
else begin
|
||||
inoutres:=102; {not assigned}
|
||||
exit;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
{ reset file handle }
|
||||
filerec(f).handle:=UnusedHandle;
|
||||
|
||||
{ convert filemode to filerec modes }
|
||||
{ READ/WRITE on existing file }
|
||||
{ RESET/APPEND }
|
||||
openflags := 1005;
|
||||
case (flags and 3) of
|
||||
0 : filerec(f).mode:=fminput;
|
||||
1 : filerec(f).mode:=fmoutput;
|
||||
2 : filerec(f).mode:=fminout;
|
||||
end;
|
||||
|
||||
{ rewrite (create a new file) }
|
||||
if (flags and $1000)<>0 then openflags := 1006;
|
||||
|
||||
{ empty name is special }
|
||||
if p[0]=#0 then
|
||||
begin
|
||||
case filerec(f).mode of
|
||||
fminput :
|
||||
filerec(f).handle:=StdInputHandle;
|
||||
fmappend,
|
||||
fmoutput : begin
|
||||
filerec(f).handle:=StdOutputHandle;
|
||||
filerec(f).mode:=fmoutput; {fool fmappend}
|
||||
end;
|
||||
end;
|
||||
exit;
|
||||
end;
|
||||
|
||||
i:=dos_Open(buffer,openflags);
|
||||
if i=0 then
|
||||
begin
|
||||
dosError2InOut(dos_IoErr);
|
||||
end else begin
|
||||
{AddToList(FileList,i);}
|
||||
filerec(f).handle:=i;
|
||||
end;
|
||||
|
||||
{ append mode }
|
||||
if ((Flags and $100)<>0) and (FileRec(F).Handle<>UnusedHandle) then
|
||||
begin
|
||||
do_seekend(filerec(f).handle);
|
||||
filerec(f).mode:=fmoutput; {fool fmappend}
|
||||
end;
|
||||
end;
|
||||
|
||||
function do_isdevice(handle:longint):boolean;
|
||||
begin
|
||||
do_isdevice:=false;
|
||||
if (handle=StdOutputHandle) or (handle=StdInputHandle) or
|
||||
(handle=StdErrorHandle) then
|
||||
do_isdevice:=True
|
||||
else
|
||||
do_isdevice:=False;
|
||||
end;
|
||||
|
||||
{*****************************************************************************
|
||||
@ -242,33 +621,22 @@ end;
|
||||
{$I text.inc}
|
||||
|
||||
|
||||
{*****************************************************************************
|
||||
Directory Handling
|
||||
*****************************************************************************}
|
||||
procedure mkdir(const s : string);[IOCheck];
|
||||
|
||||
|
||||
{ MorphOS specific startup }
|
||||
procedure SysInitMorphOS;
|
||||
begin
|
||||
InOutRes:=1;
|
||||
MOS_DOSBase:=exec_OpenLibrary('dos.library',50);
|
||||
if MOS_DOSBase=NIL then Halt(1);
|
||||
|
||||
{ Creating the memory pool for growing heap }
|
||||
MOS_heapPool:=exec_CreatePool(MEMF_FAST,growheapsize2,growheapsize1);
|
||||
if MOS_heapPool=NIL then Halt(1);
|
||||
|
||||
StdInputHandle:=dos_Input;
|
||||
StdOutputHandle:=dos_Output;
|
||||
end;
|
||||
|
||||
procedure rmdir(const s : string);[IOCheck];
|
||||
begin
|
||||
InOutRes:=1;
|
||||
end;
|
||||
|
||||
procedure chdir(const s : string);[IOCheck];
|
||||
begin
|
||||
InOutRes:=1;
|
||||
end;
|
||||
|
||||
procedure GetDir (DriveNr: byte; var Dir: ShortString);
|
||||
|
||||
begin
|
||||
InOutRes := 1;
|
||||
end;
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
procedure SysInitStdIO;
|
||||
begin
|
||||
@ -306,6 +674,8 @@ Begin
|
||||
IsLibrary := FALSE;
|
||||
StackLength := InitialStkLen;
|
||||
StackBottom := Sptr - StackLength;
|
||||
{ OS specific startup }
|
||||
SysInitMorphOS;
|
||||
{ Set up signals handlers }
|
||||
// InstallSignals;
|
||||
{ Setup heap }
|
||||
@ -315,12 +685,12 @@ Begin
|
||||
// SetupCmdLine;
|
||||
// SysInitExecPath;
|
||||
{ Setup stdin, stdout and stderr }
|
||||
// SysInitStdIO;
|
||||
SysInitStdIO;
|
||||
{ Reset IO Error }
|
||||
InOutRes:=0;
|
||||
(* This should be changed to a real value during *)
|
||||
(* thread driver initialization if appropriate. *)
|
||||
// ThreadID := 1;
|
||||
ThreadID := 1;
|
||||
{$ifdef HASVARIANT}
|
||||
initvariantmanager;
|
||||
{$endif HASVARIANT}
|
||||
@ -328,11 +698,12 @@ End.
|
||||
|
||||
{
|
||||
$Log$
|
||||
Revision 1.3 2004-05-01 15:09:47 karoly
|
||||
Revision 1.4 2004-05-02 02:06:57 karoly
|
||||
+ most of file I/O calls implemented
|
||||
|
||||
Revision 1.3 2004/05/01 15:09:47 karoly
|
||||
* first working system unit (very limited yet)
|
||||
|
||||
Revision 1.1 2004/02/13 07:19:53 karoly
|
||||
* quick hack from Linux system unit
|
||||
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user