fpc/rtl/win/sysdl.inc
svenbarth 8a249b2d74 Merged revision(s) 44256-44257, 44746, 45329 from trunk:
* fix for Mantis #36706: only link a library against the dynamic loader if we're not linking against the C library anyway

Note: I did not yet find a case where we *do* need to link a library against the loader; this will have to be investigated further, but for 3.2.0 this is safest
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* fix for Mantis #36738: when copying a record using its copy operator we assume that we've copied the whole record; this way managed records inside non-managed records are handled correctly
+ added (adjusted) test
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* when checking for an existing operator overload for the assignment operator, check for the correct variant (explicit or not) matching the overload
+ added tests
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* GetLoadErrorStr (currently) returns a ShortString, so avoid a useless conversion to AnsiString
........

git-svn-id: branches/fixes_3_2@47771 -
2020-12-13 21:52:13 +00:00

79 lines
1.9 KiB
PHP

{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by the Free Pascal development team
Implements OS dependent part for loading of dynamic libraries.
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 SysLoadLibraryU(const Name : UnicodeString) : TlibHandle;
begin
Result:=WinLoadLibraryW(PWideChar(Name));
end;
Function SysLoadLibraryA(const Name: RawByteString) : TLibHandle;
begin
Result:=WinLoadLibraryW(PWideChar(UnicodeString(Name)));
end;
Function SysGetProcedureAddress(Lib : TLibHandle; const ProcName : AnsiString) : Pointer;
begin
Result:=WinGetProcAddress(Lib,PChar(ProcName));
end;
{$push}
{$warn 4056 off}
Function SysGetProcedureAddressOrdinal(Lib : TLibHandle; Ordinal : TOrdinalEntry) : Pointer;
begin
Result:=WinGetProcAddress(Lib,PChar(Ordinal));
end;
{$pop}
Function SysUnloadLibrary(Lib : TLibHandle) : Boolean;
begin
Result:=WinFreeLibrary(Lib);
end;
Function SysGetLoadErrorStr: string;
Var
rc,c : integer;
temp: WideString;
begin
rc := GetLastError;
SetLength(temp,255);
C:=FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM,nil,rc,
MakeLangId(LANG_NEUTRAL, SUBLANG_DEFAULT),
@temp[1], 255,nil);
SetLength(temp,c);
Result:=String(temp);
end;
const
SysDynLibsManager: TDynLibsManager = (
LoadLibraryU: @SysLoadLibraryU;
LoadLibraryA: @SysLoadLibraryA;
GetProcAddress: @SysGetProcedureAddress;
GetProcAddressOrdinal: @SysGetProcedureAddressOrdinal;
UnloadLibrary: @SysUnloadLibrary;
GetLoadErrorStr: @SysGetLoadErrorStr;
);
procedure InitSystemDynLibs;
begin
SetDynLibsManager(SysDynLibsManager);
end;