4 * Copyright 1995 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
29 #include <sys/types.h>
33 #include "wine/winbase16.h"
40 #include "wine/debug.h"
41 #include "wine/unicode.h"
42 #include "wine/server.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(module);
45 WINE_DECLARE_DEBUG_CHANNEL(win32);
46 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
48 inline static HMODULE get_exe_module(void)
51 /* FIXME: should look into PEB */
52 LdrGetDllHandle( 0, 0, NULL, &mod );
56 /***********************************************************************
59 * Wrapper to call WaitForInputIdle USER function
61 typedef DWORD (WINAPI *WaitForInputIdle_ptr)( HANDLE hProcess, DWORD dwTimeOut );
63 static DWORD wait_input_idle( HANDLE process, DWORD timeout )
65 HMODULE mod = GetModuleHandleA( "user32.dll" );
68 WaitForInputIdle_ptr ptr = (WaitForInputIdle_ptr)GetProcAddress( mod, "WaitForInputIdle" );
69 if (ptr) return ptr( process, timeout );
75 /****************************************************************************
76 * DisableThreadLibraryCalls (KERNEL32.@)
78 * Don't call DllEntryPoint for DLL_THREAD_{ATTACH,DETACH} if set.
80 BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule )
82 NTSTATUS nts = LdrDisableThreadCalloutsForDll( hModule );
83 if (nts == STATUS_SUCCESS) return TRUE;
85 SetLastError( RtlNtStatusToDosError( nts ) );
90 /***********************************************************************
91 * MODULE_CreateDummyModule
93 * Create a dummy NE module for Win32 or Winelib.
95 HMODULE16 MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 )
99 SEGTABLEENTRY *pSegment;
102 const char* basename;
106 /* Extract base filename */
107 basename = strrchr(filename, '\\');
108 if (!basename) basename = filename;
110 len = strlen(basename);
111 if ((s = strchr(basename, '.'))) len = s - basename;
113 /* Allocate module */
114 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
115 + strlen(filename) + 1;
116 size = sizeof(NE_MODULE) +
117 /* loaded file info */
118 ((of_size + 3) & ~3) +
119 /* segment table: DS,CS */
120 2 * sizeof(SEGTABLEENTRY) +
123 /* several empty tables */
126 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
127 if (!hModule) return (HMODULE16)11; /* invalid exe */
129 FarSetOwner16( hModule, hModule );
130 pModule = (NE_MODULE *)GlobalLock16( hModule );
132 /* Set all used entries */
133 pModule->magic = IMAGE_OS2_SIGNATURE;
140 pModule->heap_size = 0;
141 pModule->stack_size = 0;
142 pModule->seg_count = 2;
143 pModule->modref_count = 0;
144 pModule->nrname_size = 0;
145 pModule->fileinfo = sizeof(NE_MODULE);
146 pModule->os_flags = NE_OSFLAGS_WINDOWS;
147 pModule->self = hModule;
148 pModule->module32 = module32;
150 /* Set version and flags */
153 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
154 pModule->expected_version = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
155 (nt->OptionalHeader.MinorSubsystemVersion & 0xff);
156 pModule->flags |= NE_FFLAGS_WIN32;
157 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
158 pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
161 /* Set loaded file information */
162 ofs = (OFSTRUCT *)(pModule + 1);
163 memset( ofs, 0, of_size );
164 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
165 strcpy( ofs->szPathName, filename );
167 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
168 pModule->seg_table = (int)pSegment - (int)pModule;
171 pSegment->flags = NE_SEGFLAGS_DATA;
172 pSegment->minsize = 0x1000;
179 pStr = (char *)pSegment;
180 pModule->name_table = (int)pStr - (int)pModule;
183 lstrcpynA( pStr+1, basename, len+1 );
186 /* All tables zero terminated */
187 pModule->res_table = pModule->import_table = pModule->entry_table =
188 (int)pStr - (int)pModule;
190 NE_RegisterModule( pModule );
195 /* Check whether a file is an OS/2 or a very old Windows executable
196 * by testing on import of KERNEL.
198 * FIXME: is reading the module imports the only way of discerning
199 * old Windows binaries from OS/2 ones ? At least it seems so...
201 static enum binary_type MODULE_Decide_OS2_OldWin(HANDLE hfile, const IMAGE_DOS_HEADER *mz,
202 const IMAGE_OS2_HEADER *ne)
204 DWORD currpos = SetFilePointer( hfile, 0, NULL, SEEK_CUR);
205 enum binary_type ret = BINARY_OS216;
206 LPWORD modtab = NULL;
207 LPSTR nametab = NULL;
211 /* read modref table */
212 if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_modtab, NULL, SEEK_SET ) == -1)
213 || (!(modtab = HeapAlloc( GetProcessHeap(), 0, ne->ne_cmod*sizeof(WORD))))
214 || (!(ReadFile(hfile, modtab, ne->ne_cmod*sizeof(WORD), &len, NULL)))
215 || (len != ne->ne_cmod*sizeof(WORD)) )
218 /* read imported names table */
219 if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_imptab, NULL, SEEK_SET ) == -1)
220 || (!(nametab = HeapAlloc( GetProcessHeap(), 0, ne->ne_enttab - ne->ne_imptab)))
221 || (!(ReadFile(hfile, nametab, ne->ne_enttab - ne->ne_imptab, &len, NULL)))
222 || (len != ne->ne_enttab - ne->ne_imptab) )
225 for (i=0; i < ne->ne_cmod; i++)
227 LPSTR module = &nametab[modtab[i]];
228 TRACE("modref: %.*s\n", module[0], &module[1]);
229 if (!(strncmp(&module[1], "KERNEL", module[0])))
230 { /* very old Windows file */
231 MESSAGE("This seems to be a very old (pre-3.0) Windows executable. Expect crashes, especially if this is a real-mode binary !\n");
238 ERR("Hmm, an error occurred. Is this binary file broken ?\n");
241 HeapFree( GetProcessHeap(), 0, modtab);
242 HeapFree( GetProcessHeap(), 0, nametab);
243 SetFilePointer( hfile, currpos, NULL, SEEK_SET); /* restore filepos */
247 /***********************************************************************
248 * MODULE_GetBinaryType
250 enum binary_type MODULE_GetBinaryType( HANDLE hfile )
256 unsigned char magic[4];
257 unsigned char ignored[12];
266 /* Seek to the start of the file and read the header information. */
267 if (SetFilePointer( hfile, 0, NULL, SEEK_SET ) == -1)
268 return BINARY_UNKNOWN;
269 if (!ReadFile( hfile, &header, sizeof(header), &len, NULL ) || len != sizeof(header))
270 return BINARY_UNKNOWN;
272 if (!memcmp( header.elf.magic, "\177ELF", 4 ))
274 /* FIXME: we don't bother to check byte order, architecture, etc. */
275 switch(header.elf.type)
277 case 2: return BINARY_UNIX_EXE;
278 case 3: return BINARY_UNIX_LIB;
280 return BINARY_UNKNOWN;
283 /* Not ELF, try DOS */
285 if (header.mz.e_magic == IMAGE_DOS_SIGNATURE)
287 /* We do have a DOS image so we will now try to seek into
288 * the file by the amount indicated by the field
289 * "Offset to extended header" and read in the
290 * "magic" field information at that location.
291 * This will tell us if there is more header information
294 /* But before we do we will make sure that header
295 * structure encompasses the "Offset to extended header"
298 if ((header.mz.e_cparhdr << 4) < sizeof(IMAGE_DOS_HEADER))
300 if (header.mz.e_crlc && (header.mz.e_lfarlc < sizeof(IMAGE_DOS_HEADER)))
302 if (header.mz.e_lfanew < sizeof(IMAGE_DOS_HEADER))
304 if (SetFilePointer( hfile, header.mz.e_lfanew, NULL, SEEK_SET ) == -1)
306 if (!ReadFile( hfile, magic, sizeof(magic), &len, NULL ) || len != sizeof(magic))
309 /* Reading the magic field succeeded so
310 * we will try to determine what type it is.
312 if (!memcmp( magic, "PE\0\0", 4 ))
314 IMAGE_FILE_HEADER FileHeader;
316 if (ReadFile( hfile, &FileHeader, sizeof(FileHeader), &len, NULL ) && len == sizeof(FileHeader))
318 if (FileHeader.Characteristics & IMAGE_FILE_DLL) return BINARY_PE_DLL;
319 return BINARY_PE_EXE;
324 if (!memcmp( magic, "NE", 2 ))
326 /* This is a Windows executable (NE) header. This can
327 * mean either a 16-bit OS/2 or a 16-bit Windows or even a
328 * DOS program (running under a DOS extender). To decide
329 * which, we'll have to read the NE header.
332 if ( SetFilePointer( hfile, header.mz.e_lfanew, NULL, SEEK_SET ) != -1
333 && ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
334 && len == sizeof(ne) )
336 switch ( ne.ne_exetyp )
338 case 2: return BINARY_WIN16;
339 case 5: return BINARY_DOS;
340 default: return MODULE_Decide_OS2_OldWin(hfile, &header.mz, &ne);
343 /* Couldn't read header, so abort. */
347 /* Unknown extended header, but this file is nonetheless DOS-executable. */
351 return BINARY_UNKNOWN;
354 /***********************************************************************
355 * GetBinaryTypeA [KERNEL32.@]
356 * GetBinaryType [KERNEL32.@]
358 * The GetBinaryType function determines whether a file is executable
359 * or not and if it is it returns what type of executable it is.
360 * The type of executable is a property that determines in which
361 * subsystem an executable file runs under.
363 * Binary types returned:
364 * SCS_32BIT_BINARY: A Win32 based application
365 * SCS_DOS_BINARY: An MS-Dos based application
366 * SCS_WOW_BINARY: A Win16 based application
367 * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
368 * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
369 * SCS_OS216_BINARY: A 16bit OS/2 based application
371 * Returns TRUE if the file is an executable in which case
372 * the value pointed by lpBinaryType is set.
373 * Returns FALSE if the file is not an executable or if the function fails.
375 * To do so it opens the file and reads in the header information
376 * if the extended header information is not present it will
377 * assume that the file is a DOS executable.
378 * If the extended header information is present it will
379 * determine if the file is a 16 or 32 bit Windows executable
380 * by check the flags in the header.
382 * Note that .COM and .PIF files are only recognized by their
383 * file name extension; but Windows does it the same way ...
385 BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
391 TRACE_(win32)("%s\n", lpApplicationName );
395 if ( lpApplicationName == NULL || lpBinaryType == NULL )
398 /* Open the file indicated by lpApplicationName for reading.
400 hfile = CreateFileA( lpApplicationName, GENERIC_READ, FILE_SHARE_READ,
401 NULL, OPEN_EXISTING, 0, 0 );
402 if ( hfile == INVALID_HANDLE_VALUE )
407 switch(MODULE_GetBinaryType( hfile ))
410 /* try to determine from file name */
411 ptr = strrchr( lpApplicationName, '.' );
413 if (!FILE_strcasecmp( ptr, ".COM" ))
415 *lpBinaryType = SCS_DOS_BINARY;
418 else if (!FILE_strcasecmp( ptr, ".PIF" ))
420 *lpBinaryType = SCS_PIF_BINARY;
426 *lpBinaryType = SCS_32BIT_BINARY;
430 *lpBinaryType = SCS_WOW_BINARY;
434 *lpBinaryType = SCS_OS216_BINARY;
438 *lpBinaryType = SCS_DOS_BINARY;
441 case BINARY_UNIX_EXE:
442 case BINARY_UNIX_LIB:
447 CloseHandle( hfile );
451 /***********************************************************************
452 * GetBinaryTypeW [KERNEL32.@]
454 BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
459 TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) );
463 if ( lpApplicationName == NULL || lpBinaryType == NULL )
466 /* Convert the wide string to a ascii string.
468 strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName );
470 if ( strNew != NULL )
472 ret = GetBinaryTypeA( strNew, lpBinaryType );
474 /* Free the allocated string.
476 HeapFree( GetProcessHeap(), 0, strNew );
483 /***********************************************************************
484 * WinExec (KERNEL.166)
486 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
488 LPCSTR p, args = NULL;
489 LPCSTR name_beg, name_end;
493 char buffer[MAX_PATH];
495 if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
497 name_beg = lpCmdLine+1;
498 p = strchr ( lpCmdLine+1, '"' );
502 args = strchr ( p, ' ' );
504 else /* yes, even valid with trailing '"' missing */
505 name_end = lpCmdLine+strlen(lpCmdLine);
509 name_beg = lpCmdLine;
510 args = strchr( lpCmdLine, ' ' );
511 name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
514 if ((name_beg == lpCmdLine) && (!args))
515 { /* just use the original cmdline string as file name */
516 name = (LPSTR)lpCmdLine;
520 if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
521 return ERROR_NOT_ENOUGH_MEMORY;
522 memcpy( name, name_beg, name_end - name_beg );
523 name[name_end - name_beg] = '\0';
529 arglen = strlen(args);
530 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
531 cmdline[0] = (BYTE)arglen;
532 strcpy( cmdline + 1, args );
536 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
537 cmdline[0] = cmdline[1] = 0;
540 TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
542 if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
547 showCmd[1] = nCmdShow;
549 params.hEnvironment = 0;
550 params.cmdLine = MapLS( cmdline );
551 params.showCmd = MapLS( showCmd );
554 ret = LoadModule16( buffer, ¶ms );
555 UnMapLS( params.cmdLine );
556 UnMapLS( params.showCmd );
558 else ret = GetLastError();
560 HeapFree( GetProcessHeap(), 0, cmdline );
561 if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
563 if (ret == 21) /* 32-bit module */
566 ReleaseThunkLock( &count );
567 ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) );
568 RestoreThunkLock( count );
573 /***********************************************************************
574 * WinExec (KERNEL32.@)
576 UINT WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow )
578 PROCESS_INFORMATION info;
579 STARTUPINFOA startup;
583 memset( &startup, 0, sizeof(startup) );
584 startup.cb = sizeof(startup);
585 startup.dwFlags = STARTF_USESHOWWINDOW;
586 startup.wShowWindow = nCmdShow;
588 /* cmdline needs to be writeable for CreateProcess */
589 if (!(cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(lpCmdLine)+1 ))) return 0;
590 strcpy( cmdline, lpCmdLine );
592 if (CreateProcessA( NULL, cmdline, NULL, NULL, FALSE,
593 0, NULL, NULL, &startup, &info ))
595 /* Give 30 seconds to the app to come up */
596 if (wait_input_idle( info.hProcess, 30000 ) == 0xFFFFFFFF)
597 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
599 /* Close off the handles */
600 CloseHandle( info.hThread );
601 CloseHandle( info.hProcess );
603 else if ((ret = GetLastError()) >= 32)
605 FIXME("Strange error set by CreateProcess: %d\n", ret );
608 HeapFree( GetProcessHeap(), 0, cmdline );
612 /**********************************************************************
613 * LoadModule (KERNEL32.@)
615 HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock )
617 LOADPARAMS *params = (LOADPARAMS *)paramBlock;
618 PROCESS_INFORMATION info;
619 STARTUPINFOA startup;
622 char filename[MAX_PATH];
625 if (!name) return (HINSTANCE)ERROR_FILE_NOT_FOUND;
627 if (!SearchPathA( NULL, name, ".exe", sizeof(filename), filename, NULL ) &&
628 !SearchPathA( NULL, name, NULL, sizeof(filename), filename, NULL ))
629 return (HINSTANCE)GetLastError();
631 len = (BYTE)params->lpCmdLine[0];
632 if (!(cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + len + 2 )))
633 return (HINSTANCE)ERROR_NOT_ENOUGH_MEMORY;
635 strcpy( cmdline, filename );
636 p = cmdline + strlen(cmdline);
638 memcpy( p, params->lpCmdLine + 1, len );
641 memset( &startup, 0, sizeof(startup) );
642 startup.cb = sizeof(startup);
643 if (params->lpCmdShow)
645 startup.dwFlags = STARTF_USESHOWWINDOW;
646 startup.wShowWindow = params->lpCmdShow[1];
649 if (CreateProcessA( filename, cmdline, NULL, NULL, FALSE, 0,
650 params->lpEnvAddress, NULL, &startup, &info ))
652 /* Give 30 seconds to the app to come up */
653 if (wait_input_idle( info.hProcess, 30000 ) == 0xFFFFFFFF )
654 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
655 hInstance = (HINSTANCE)33;
656 /* Close off the handles */
657 CloseHandle( info.hThread );
658 CloseHandle( info.hProcess );
660 else if ((hInstance = (HINSTANCE)GetLastError()) >= (HINSTANCE)32)
662 FIXME("Strange error set by CreateProcess: %p\n", hInstance );
663 hInstance = (HINSTANCE)11;
666 HeapFree( GetProcessHeap(), 0, cmdline );
671 /***********************************************************************
672 * GetModuleHandleA (KERNEL32.@)
673 * GetModuleHandle32 (KERNEL.488)
675 HMODULE WINAPI GetModuleHandleA(LPCSTR module)
684 RtlCreateUnicodeStringFromAsciiz(&wstr, module);
685 nts = LdrGetDllHandle(0, 0, &wstr, &ret);
686 RtlFreeUnicodeString( &wstr );
689 nts = LdrGetDllHandle(0, 0, NULL, &ret);
690 if (nts != STATUS_SUCCESS)
693 SetLastError( RtlNtStatusToDosError( nts ) );
699 /***********************************************************************
700 * GetModuleHandleW (KERNEL32.@)
702 HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
711 RtlInitUnicodeString( &wstr, module );
712 nts = LdrGetDllHandle( 0, 0, &wstr, &ret);
715 nts = LdrGetDllHandle( 0, 0, NULL, &ret);
717 if (nts != STATUS_SUCCESS)
719 SetLastError( RtlNtStatusToDosError( nts ) );
726 /***********************************************************************
727 * GetModuleFileNameA (KERNEL32.@)
728 * GetModuleFileName32 (KERNEL.487)
730 * GetModuleFileNameA seems to *always* return the long path;
731 * it's only GetModuleFileName16 that decides between short/long path
732 * by checking if exe version >= 4.0.
733 * (SDK docu doesn't mention this)
735 DWORD WINAPI GetModuleFileNameA(
736 HMODULE hModule, /* [in] module handle (32bit) */
737 LPSTR lpFileName, /* [out] filenamebuffer */
738 DWORD size ) /* [in] size of filenamebuffer */
740 LPWSTR filenameW = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) );
744 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
747 GetModuleFileNameW( hModule, filenameW, size );
748 WideCharToMultiByte( CP_ACP, 0, filenameW, -1, lpFileName, size, NULL, NULL );
749 HeapFree( GetProcessHeap(), 0, filenameW );
750 return strlen( lpFileName );
753 /***********************************************************************
754 * GetModuleFileNameW (KERNEL32.@)
756 DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName, DWORD size )
762 LdrLockLoaderLock( 0, NULL, &magic );
763 if (!hModule && !(NtCurrentTeb()->tibflags & TEBF_WIN32))
765 /* 16-bit task - get current NE module name */
766 NE_MODULE *pModule = NE_GetPtr( GetCurrentTask() );
769 WCHAR path[MAX_PATH];
771 MultiByteToWideChar( CP_ACP, 0, NE_MODULE_NAME(pModule), -1, path, MAX_PATH );
772 GetLongPathNameW(path, lpFileName, size);
780 if (!hModule) hModule = get_exe_module();
781 nts = LdrFindEntryForAddress( hModule, &pldr );
782 if (nts == STATUS_SUCCESS) lstrcpynW(lpFileName, pldr->FullDllName.Buffer, size);
783 else SetLastError( RtlNtStatusToDosError( nts ) );
786 LdrUnlockLoaderLock( 0, magic );
788 TRACE( "%s\n", debugstr_w(lpFileName) );
789 return strlenW(lpFileName);
792 /******************************************************************
793 * load_library_as_datafile
795 static BOOL load_library_as_datafile( LPCWSTR name, HMODULE* hmod)
797 static const WCHAR dotDLL[] = {'.','d','l','l',0};
799 WCHAR filenameW[MAX_PATH];
800 HANDLE hFile = INVALID_HANDLE_VALUE;
805 if (SearchPathW( NULL, (LPCWSTR)name, dotDLL, sizeof(filenameW) / sizeof(filenameW[0]),
808 hFile = CreateFileW( filenameW, GENERIC_READ, FILE_SHARE_READ,
809 NULL, OPEN_EXISTING, 0, 0 );
811 if (hFile == INVALID_HANDLE_VALUE) return FALSE;
812 switch (MODULE_GetBinaryType( hFile ))
816 mapping = CreateFileMappingW( hFile, NULL, PAGE_READONLY, 0, 0, NULL );
819 *hmod = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
820 CloseHandle( mapping );
826 CloseHandle( hFile );
831 /******************************************************************
832 * LoadLibraryExA (KERNEL32.@)
834 * The HFILE parameter is not used and marked reserved in the SDK. I can
835 * only guess that it should force a file to be mapped, but I rather
836 * ignore the parameter because it would be extremely difficult to
837 * integrate this with different types of module representations.
840 HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
848 SetLastError(ERROR_INVALID_PARAMETER);
851 RtlCreateUnicodeStringFromAsciiz( &wstr, libname );
853 if (flags & LOAD_LIBRARY_AS_DATAFILE)
855 /* The method in load_library_as_datafile allows searching for the
856 * 'native' libraries only
858 if (load_library_as_datafile( wstr.Buffer, &hModule))
860 RtlFreeUnicodeString( &wstr );
861 return (HMODULE)((ULONG_PTR)hModule + 1);
863 flags |= DONT_RESOLVE_DLL_REFERENCES; /* Just in case */
864 /* Fallback to normal behaviour */
867 nts = LdrLoadDll(NULL, flags, &wstr, &hModule);
868 if (nts != STATUS_SUCCESS)
871 SetLastError( RtlNtStatusToDosError( nts ) );
873 RtlFreeUnicodeString( &wstr );
878 /***********************************************************************
879 * LoadLibraryExW (KERNEL32.@)
881 HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW, HANDLE hfile, DWORD flags)
889 SetLastError(ERROR_INVALID_PARAMETER);
893 if (flags & LOAD_LIBRARY_AS_DATAFILE)
895 /* The method in load_library_as_datafile allows searching for the
896 * 'native' libraries only
898 if (load_library_as_datafile(libnameW, &hModule))
899 return (HMODULE)((ULONG_PTR)hModule + 1);
900 flags |= DONT_RESOLVE_DLL_REFERENCES; /* Just in case */
901 /* Fallback to normal behaviour */
904 RtlInitUnicodeString( &wstr, libnameW );
905 nts = LdrLoadDll(NULL, flags, &wstr, &hModule);
906 if (nts != STATUS_SUCCESS)
909 SetLastError( RtlNtStatusToDosError( nts ) );
914 /***********************************************************************
915 * LoadLibraryA (KERNEL32.@)
917 HMODULE WINAPI LoadLibraryA(LPCSTR libname)
919 return LoadLibraryExA(libname, 0, 0);
922 /***********************************************************************
923 * LoadLibraryW (KERNEL32.@)
925 HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW)
927 return LoadLibraryExW(libnameW, 0, 0);
930 /***********************************************************************
931 * LoadLibrary32 (KERNEL.452)
932 * LoadSystemLibrary32 (KERNEL.482)
934 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
939 ReleaseThunkLock( &count );
940 hModule = LoadLibraryA( libname );
941 RestoreThunkLock( count );
945 /***********************************************************************
946 * FreeLibrary (KERNEL32.@)
947 * FreeLibrary32 (KERNEL.486)
949 BOOL WINAPI FreeLibrary(HINSTANCE hLibModule)
956 SetLastError( ERROR_INVALID_HANDLE );
960 if ((ULONG_PTR)hLibModule & 1)
962 /* this is a LOAD_LIBRARY_AS_DATAFILE module */
963 char *ptr = (char *)hLibModule - 1;
964 UnmapViewOfFile( ptr );
968 if ((nts = LdrUnloadDll( hLibModule )) == STATUS_SUCCESS) retv = TRUE;
969 else SetLastError( RtlNtStatusToDosError( nts ) );
974 /***********************************************************************
975 * FreeLibraryAndExitThread (KERNEL32.@)
977 VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
979 FreeLibrary(hLibModule);
980 ExitThread(dwExitCode);
983 /***********************************************************************
984 * PrivateLoadLibrary (KERNEL32.@)
986 * FIXME: rough guesswork, don't know what "Private" means
988 HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
990 return LoadLibrary16(libname);
993 /***********************************************************************
994 * PrivateFreeLibrary (KERNEL32.@)
996 * FIXME: rough guesswork, don't know what "Private" means
998 void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
1000 FreeLibrary16(handle);
1004 /***********************************************************************
1005 * GetProcAddress16 (KERNEL32.37)
1006 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1008 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1011 WARN("hModule may not be 0!\n");
1012 return (FARPROC16)0;
1014 if (HIWORD(hModule))
1016 WARN("hModule is Win32 handle (%p)\n", hModule );
1017 return (FARPROC16)0;
1019 return GetProcAddress16( LOWORD(hModule), name );
1022 /***********************************************************************
1023 * GetProcAddress (KERNEL.50)
1025 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
1030 if (!hModule) hModule = GetCurrentTask();
1031 hModule = GetExePtr( hModule );
1033 if (HIWORD(name) != 0)
1035 ordinal = NE_GetOrdinal( hModule, name );
1036 TRACE("%04x '%s'\n", hModule, name );
1040 ordinal = LOWORD(name);
1041 TRACE("%04x %04x\n", hModule, ordinal );
1043 if (!ordinal) return (FARPROC16)0;
1045 ret = NE_GetEntryPoint( hModule, ordinal );
1047 TRACE("returning %08x\n", (UINT)ret );
1052 /***********************************************************************
1053 * GetProcAddress (KERNEL32.@)
1055 FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
1060 if (HIWORD(function))
1064 RtlInitAnsiString( &str, function );
1065 nts = LdrGetProcedureAddress( hModule, &str, 0, (void**)&fp );
1068 nts = LdrGetProcedureAddress( hModule, NULL, (DWORD)function, (void**)&fp );
1069 if (nts != STATUS_SUCCESS)
1071 SetLastError( RtlNtStatusToDosError( nts ) );
1077 /***********************************************************************
1078 * GetProcAddress32 (KERNEL.453)
1080 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
1082 /* FIXME: we used to disable snoop when returning proc for Win16 subsystem */
1083 return GetProcAddress( hModule, function );
1086 /***************************************************************************
1087 * HasGPHandler (KERNEL.338)
1090 #include "pshpack1.h"
1091 typedef struct _GPHANDLERDEF
1098 #include "poppack.h"
1100 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1105 GPHANDLERDEF *gpHandler;
1107 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1108 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1109 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1110 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1111 && (gpHandler = MapSL( gpPtr )) != NULL )
1113 while (gpHandler->selector)
1115 if ( SELECTOROF(address) == gpHandler->selector
1116 && OFFSETOF(address) >= gpHandler->rangeStart
1117 && OFFSETOF(address) < gpHandler->rangeEnd )
1118 return MAKESEGPTR( gpHandler->selector, gpHandler->handler );