Delay import of user32 to allow debugging crashes in user init code.
[wine/multimedia.git] / loader / module.c
bloba549c5c8f622b92f3c6a1f60ee3268397c49db9c
1 /*
2 * Modules
4 * Copyright 1995 Alexandre Julliard
5 */
7 #include <assert.h>
8 #include <fcntl.h>
9 #include <stdlib.h>
10 #include <stdio.h>
11 #include <string.h>
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include "wine/winbase16.h"
15 #include "winerror.h"
16 #include "heap.h"
17 #include "file.h"
18 #include "module.h"
19 #include "debugtools.h"
20 #include "callback.h"
21 #include "loadorder.h"
22 #include "server.h"
24 DEFAULT_DEBUG_CHANNEL(module);
25 DECLARE_DEBUG_CHANNEL(win32);
26 DECLARE_DEBUG_CHANNEL(loaddll);
28 WINE_MODREF *MODULE_modref_list = NULL;
30 static WINE_MODREF *exe_modref;
31 static int free_lib_count; /* recursion depth of FreeLibrary calls */
32 static int process_detaching; /* set on process detach to avoid deadlocks with thread detach */
34 /*************************************************************************
35 * MODULE32_LookupHMODULE
36 * looks for the referenced HMODULE in the current process
37 * NOTE: Assumes that the process critical section is held!
39 static WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hmod )
41 WINE_MODREF *wm;
43 if (!hmod)
44 return exe_modref;
46 if (!HIWORD(hmod)) {
47 ERR("tried to lookup 0x%04x in win32 module handler!\n",hmod);
48 SetLastError( ERROR_INVALID_HANDLE );
49 return NULL;
51 for ( wm = MODULE_modref_list; wm; wm=wm->next )
52 if (wm->module == hmod)
53 return wm;
54 SetLastError( ERROR_INVALID_HANDLE );
55 return NULL;
58 /*************************************************************************
59 * MODULE_AllocModRef
61 * Allocate a WINE_MODREF structure and add it to the process list
62 * NOTE: Assumes that the process critical section is held!
64 WINE_MODREF *MODULE_AllocModRef( HMODULE hModule, LPCSTR filename )
66 WINE_MODREF *wm;
67 DWORD len;
69 if ((wm = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wm) )))
71 wm->module = hModule;
72 wm->tlsindex = -1;
74 wm->filename = HEAP_strdupA( GetProcessHeap(), 0, filename );
75 if ((wm->modname = strrchr( wm->filename, '\\' ))) wm->modname++;
76 else wm->modname = wm->filename;
78 len = GetShortPathNameA( wm->filename, NULL, 0 );
79 wm->short_filename = (char *)HeapAlloc( GetProcessHeap(), 0, len+1 );
80 GetShortPathNameA( wm->filename, wm->short_filename, len+1 );
81 if ((wm->short_modname = strrchr( wm->short_filename, '\\' ))) wm->short_modname++;
82 else wm->short_modname = wm->short_filename;
84 wm->next = MODULE_modref_list;
85 if (wm->next) wm->next->prev = wm;
86 MODULE_modref_list = wm;
88 if (!(PE_HEADER(hModule)->FileHeader.Characteristics & IMAGE_FILE_DLL))
90 if (!exe_modref) exe_modref = wm;
91 else FIXME( "Trying to load second .EXE file: %s\n", filename );
94 return wm;
97 /*************************************************************************
98 * MODULE_InitDLL
100 static BOOL MODULE_InitDLL( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
102 BOOL retv = TRUE;
104 static LPCSTR typeName[] = { "PROCESS_DETACH", "PROCESS_ATTACH",
105 "THREAD_ATTACH", "THREAD_DETACH" };
106 assert( wm );
108 /* Skip calls for modules loaded with special load flags */
110 if (wm->flags & WINE_MODREF_DONT_RESOLVE_REFS) return TRUE;
112 TRACE("(%s,%s,%p) - CALL\n", wm->modname, typeName[type], lpReserved );
114 /* Call the initialization routine */
115 retv = PE_InitDLL( wm->module, type, lpReserved );
117 /* The state of the module list may have changed due to the call
118 to PE_InitDLL. We cannot assume that this module has not been
119 deleted. */
120 TRACE("(%p,%s,%p) - RETURN %d\n", wm, typeName[type], lpReserved, retv );
122 return retv;
125 /*************************************************************************
126 * MODULE_DllProcessAttach
128 * Send the process attach notification to all DLLs the given module
129 * depends on (recursively). This is somewhat complicated due to the fact that
131 * - we have to respect the module dependencies, i.e. modules implicitly
132 * referenced by another module have to be initialized before the module
133 * itself can be initialized
135 * - the initialization routine of a DLL can itself call LoadLibrary,
136 * thereby introducing a whole new set of dependencies (even involving
137 * the 'old' modules) at any time during the whole process
139 * (Note that this routine can be recursively entered not only directly
140 * from itself, but also via LoadLibrary from one of the called initialization
141 * routines.)
143 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
144 * the process *detach* notifications to be sent in the correct order.
145 * This must not only take into account module dependencies, but also
146 * 'hidden' dependencies created by modules calling LoadLibrary in their
147 * attach notification routine.
149 * The strategy is rather simple: we move a WINE_MODREF to the head of the
150 * list after the attach notification has returned. This implies that the
151 * detach notifications are called in the reverse of the sequence the attach
152 * notifications *returned*.
154 BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved )
156 BOOL retv = TRUE;
157 int i;
159 RtlAcquirePebLock();
161 if (!wm) wm = exe_modref;
162 assert( wm );
164 /* prevent infinite recursion in case of cyclical dependencies */
165 if ( ( wm->flags & WINE_MODREF_MARKER )
166 || ( wm->flags & WINE_MODREF_PROCESS_ATTACHED ) )
167 goto done;
169 TRACE("(%s,%p) - START\n", wm->modname, lpReserved );
171 /* Tag current MODREF to prevent recursive loop */
172 wm->flags |= WINE_MODREF_MARKER;
174 /* Recursively attach all DLLs this one depends on */
175 for ( i = 0; retv && i < wm->nDeps; i++ )
176 if ( wm->deps[i] )
177 retv = MODULE_DllProcessAttach( wm->deps[i], lpReserved );
179 /* Call DLL entry point */
180 if ( retv )
182 retv = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
183 if ( retv )
184 wm->flags |= WINE_MODREF_PROCESS_ATTACHED;
187 /* Re-insert MODREF at head of list */
188 if ( retv && wm->prev )
190 wm->prev->next = wm->next;
191 if ( wm->next ) wm->next->prev = wm->prev;
193 wm->prev = NULL;
194 wm->next = MODULE_modref_list;
195 MODULE_modref_list = wm->next->prev = wm;
198 /* Remove recursion flag */
199 wm->flags &= ~WINE_MODREF_MARKER;
201 TRACE("(%s,%p) - END\n", wm->modname, lpReserved );
203 done:
204 RtlReleasePebLock();
205 return retv;
208 /*************************************************************************
209 * MODULE_DllProcessDetach
211 * Send DLL process detach notifications. See the comment about calling
212 * sequence at MODULE_DllProcessAttach. Unless the bForceDetach flag
213 * is set, only DLLs with zero refcount are notified.
215 void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved )
217 WINE_MODREF *wm;
219 RtlAcquirePebLock();
220 if (bForceDetach) process_detaching = 1;
223 for ( wm = MODULE_modref_list; wm; wm = wm->next )
225 /* Check whether to detach this DLL */
226 if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
227 continue;
228 if ( wm->refCount > 0 && !bForceDetach )
229 continue;
231 /* Call detach notification */
232 wm->flags &= ~WINE_MODREF_PROCESS_ATTACHED;
233 MODULE_InitDLL( wm, DLL_PROCESS_DETACH, lpReserved );
235 /* Restart at head of WINE_MODREF list, as entries might have
236 been added and/or removed while performing the call ... */
237 break;
239 } while ( wm );
241 RtlReleasePebLock();
244 /*************************************************************************
245 * MODULE_DllThreadAttach
247 * Send DLL thread attach notifications. These are sent in the
248 * reverse sequence of process detach notification.
251 void MODULE_DllThreadAttach( LPVOID lpReserved )
253 WINE_MODREF *wm;
255 /* don't do any attach calls if process is exiting */
256 if (process_detaching) return;
257 /* FIXME: there is still a race here */
259 RtlAcquirePebLock();
261 for ( wm = MODULE_modref_list; wm; wm = wm->next )
262 if ( !wm->next )
263 break;
265 for ( ; wm; wm = wm->prev )
267 if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
268 continue;
269 if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
270 continue;
272 MODULE_InitDLL( wm, DLL_THREAD_ATTACH, lpReserved );
275 RtlReleasePebLock();
278 /*************************************************************************
279 * MODULE_DllThreadDetach
281 * Send DLL thread detach notifications. These are sent in the
282 * same sequence as process detach notification.
285 void MODULE_DllThreadDetach( LPVOID lpReserved )
287 WINE_MODREF *wm;
289 /* don't do any detach calls if process is exiting */
290 if (process_detaching) return;
291 /* FIXME: there is still a race here */
293 RtlAcquirePebLock();
295 for ( wm = MODULE_modref_list; wm; wm = wm->next )
297 if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
298 continue;
299 if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
300 continue;
302 MODULE_InitDLL( wm, DLL_THREAD_DETACH, lpReserved );
305 RtlReleasePebLock();
308 /****************************************************************************
309 * DisableThreadLibraryCalls (KERNEL32.74)
311 * Don't call DllEntryPoint for DLL_THREAD_{ATTACH,DETACH} if set.
313 BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule )
315 WINE_MODREF *wm;
316 BOOL retval = TRUE;
318 RtlAcquirePebLock();
320 wm = MODULE32_LookupHMODULE( hModule );
321 if ( !wm )
322 retval = FALSE;
323 else
324 wm->flags |= WINE_MODREF_NO_DLL_CALLS;
326 RtlReleasePebLock();
328 return retval;
332 /***********************************************************************
333 * MODULE_CreateDummyModule
335 * Create a dummy NE module for Win32 or Winelib.
337 HMODULE MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 )
339 HMODULE hModule;
340 NE_MODULE *pModule;
341 SEGTABLEENTRY *pSegment;
342 char *pStr,*s;
343 unsigned int len;
344 const char* basename;
345 OFSTRUCT *ofs;
346 int of_size, size;
348 /* Extract base filename */
349 basename = strrchr(filename, '\\');
350 if (!basename) basename = filename;
351 else basename++;
352 len = strlen(basename);
353 if ((s = strchr(basename, '.'))) len = s - basename;
355 /* Allocate module */
356 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
357 + strlen(filename) + 1;
358 size = sizeof(NE_MODULE) +
359 /* loaded file info */
360 ((of_size + 3) & ~3) +
361 /* segment table: DS,CS */
362 2 * sizeof(SEGTABLEENTRY) +
363 /* name table */
364 len + 2 +
365 /* several empty tables */
368 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
369 if (!hModule) return (HMODULE)11; /* invalid exe */
371 FarSetOwner16( hModule, hModule );
372 pModule = (NE_MODULE *)GlobalLock16( hModule );
374 /* Set all used entries */
375 pModule->magic = IMAGE_OS2_SIGNATURE;
376 pModule->count = 1;
377 pModule->next = 0;
378 pModule->flags = 0;
379 pModule->dgroup = 0;
380 pModule->ss = 1;
381 pModule->cs = 2;
382 pModule->heap_size = 0;
383 pModule->stack_size = 0;
384 pModule->seg_count = 2;
385 pModule->modref_count = 0;
386 pModule->nrname_size = 0;
387 pModule->fileinfo = sizeof(NE_MODULE);
388 pModule->os_flags = NE_OSFLAGS_WINDOWS;
389 pModule->self = hModule;
390 pModule->module32 = module32;
392 /* Set version and flags */
393 if (module32)
395 pModule->expected_version =
396 ((PE_HEADER(module32)->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
397 (PE_HEADER(module32)->OptionalHeader.MinorSubsystemVersion & 0xff);
398 pModule->flags |= NE_FFLAGS_WIN32;
399 if (PE_HEADER(module32)->FileHeader.Characteristics & IMAGE_FILE_DLL)
400 pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
403 /* Set loaded file information */
404 ofs = (OFSTRUCT *)(pModule + 1);
405 memset( ofs, 0, of_size );
406 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
407 strcpy( ofs->szPathName, filename );
409 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
410 pModule->seg_table = (int)pSegment - (int)pModule;
411 /* Data segment */
412 pSegment->size = 0;
413 pSegment->flags = NE_SEGFLAGS_DATA;
414 pSegment->minsize = 0x1000;
415 pSegment++;
416 /* Code segment */
417 pSegment->flags = 0;
418 pSegment++;
420 /* Module name */
421 pStr = (char *)pSegment;
422 pModule->name_table = (int)pStr - (int)pModule;
423 assert(len<256);
424 *pStr = len;
425 lstrcpynA( pStr+1, basename, len+1 );
426 pStr += len+2;
428 /* All tables zero terminated */
429 pModule->res_table = pModule->import_table = pModule->entry_table =
430 (int)pStr - (int)pModule;
432 NE_RegisterModule( pModule );
433 return hModule;
437 /**********************************************************************
438 * MODULE_FindModule
440 * Find a (loaded) win32 module depending on path
442 * RETURNS
443 * the module handle if found
444 * 0 if not
446 WINE_MODREF *MODULE_FindModule(
447 LPCSTR path /* [in] pathname of module/library to be found */
449 WINE_MODREF *wm;
450 char dllname[260], *p;
452 /* Append .DLL to name if no extension present */
453 strcpy( dllname, path );
454 if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
455 strcat( dllname, ".DLL" );
457 for ( wm = MODULE_modref_list; wm; wm = wm->next )
459 if ( !FILE_strcasecmp( dllname, wm->modname ) )
460 break;
461 if ( !FILE_strcasecmp( dllname, wm->filename ) )
462 break;
463 if ( !FILE_strcasecmp( dllname, wm->short_modname ) )
464 break;
465 if ( !FILE_strcasecmp( dllname, wm->short_filename ) )
466 break;
469 return wm;
473 /* Check whether a file is an OS/2 or a very old Windows executable
474 * by testing on import of KERNEL.
476 * FIXME: is reading the module imports the only way of discerning
477 * old Windows binaries from OS/2 ones ? At least it seems so...
479 static DWORD MODULE_Decide_OS2_OldWin(HANDLE hfile, IMAGE_DOS_HEADER *mz, IMAGE_OS2_HEADER *ne)
481 DWORD currpos = SetFilePointer( hfile, 0, NULL, SEEK_CUR);
482 DWORD type = SCS_OS216_BINARY;
483 LPWORD modtab = NULL;
484 LPSTR nametab = NULL;
485 DWORD len;
486 int i;
488 /* read modref table */
489 if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_modtab, NULL, SEEK_SET ) == -1)
490 || (!(modtab = HeapAlloc( GetProcessHeap(), 0, ne->ne_cmod*sizeof(WORD))))
491 || (!(ReadFile(hfile, modtab, ne->ne_cmod*sizeof(WORD), &len, NULL)))
492 || (len != ne->ne_cmod*sizeof(WORD)) )
493 goto broken;
495 /* read imported names table */
496 if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_imptab, NULL, SEEK_SET ) == -1)
497 || (!(nametab = HeapAlloc( GetProcessHeap(), 0, ne->ne_enttab - ne->ne_imptab)))
498 || (!(ReadFile(hfile, nametab, ne->ne_enttab - ne->ne_imptab, &len, NULL)))
499 || (len != ne->ne_enttab - ne->ne_imptab) )
500 goto broken;
502 for (i=0; i < ne->ne_cmod; i++)
504 LPSTR module = &nametab[modtab[i]];
505 TRACE("modref: %.*s\n", module[0], &module[1]);
506 if (!(strncmp(&module[1], "KERNEL", module[0])))
507 { /* very old Windows file */
508 MESSAGE("This seems to be a very old (pre-3.0) Windows executable. Expect crashes, especially if this is a real-mode binary !\n");
509 type = SCS_WOW_BINARY;
510 goto good;
514 broken:
515 ERR("Hmm, an error occurred. Is this binary file broken ?\n");
517 good:
518 HeapFree( GetProcessHeap(), 0, modtab);
519 HeapFree( GetProcessHeap(), 0, nametab);
520 SetFilePointer( hfile, currpos, NULL, SEEK_SET); /* restore filepos */
521 return type;
524 /***********************************************************************
525 * MODULE_GetBinaryType
527 * The GetBinaryType function determines whether a file is executable
528 * or not and if it is it returns what type of executable it is.
529 * The type of executable is a property that determines in which
530 * subsystem an executable file runs under.
532 * Binary types returned:
533 * SCS_32BIT_BINARY: A Win32 based application
534 * SCS_DOS_BINARY: An MS-Dos based application
535 * SCS_WOW_BINARY: A Win16 based application
536 * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
537 * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
538 * SCS_OS216_BINARY: A 16bit OS/2 based application
540 * Returns TRUE if the file is an executable in which case
541 * the value pointed by lpBinaryType is set.
542 * Returns FALSE if the file is not an executable or if the function fails.
544 * To do so it opens the file and reads in the header information
545 * if the extended header information is not present it will
546 * assume that the file is a DOS executable.
547 * If the extended header information is present it will
548 * determine if the file is a 16 or 32 bit Windows executable
549 * by check the flags in the header.
551 * Note that .COM and .PIF files are only recognized by their
552 * file name extension; but Windows does it the same way ...
554 static BOOL MODULE_GetBinaryType( HANDLE hfile, LPCSTR filename, LPDWORD lpBinaryType )
556 IMAGE_DOS_HEADER mz_header;
557 char magic[4], *ptr;
558 DWORD len;
560 /* Seek to the start of the file and read the DOS header information.
562 if ( SetFilePointer( hfile, 0, NULL, SEEK_SET ) != -1
563 && ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL )
564 && len == sizeof(mz_header) )
566 /* Now that we have the header check the e_magic field
567 * to see if this is a dos image.
569 if ( mz_header.e_magic == IMAGE_DOS_SIGNATURE )
571 BOOL lfanewValid = FALSE;
572 /* We do have a DOS image so we will now try to seek into
573 * the file by the amount indicated by the field
574 * "Offset to extended header" and read in the
575 * "magic" field information at that location.
576 * This will tell us if there is more header information
577 * to read or not.
579 /* But before we do we will make sure that header
580 * structure encompasses the "Offset to extended header"
581 * field.
583 if ( (mz_header.e_cparhdr<<4) >= sizeof(IMAGE_DOS_HEADER) )
584 if ( ( mz_header.e_crlc == 0 ) ||
585 ( mz_header.e_lfarlc >= sizeof(IMAGE_DOS_HEADER) ) )
586 if ( mz_header.e_lfanew >= sizeof(IMAGE_DOS_HEADER)
587 && SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
588 && ReadFile( hfile, magic, sizeof(magic), &len, NULL )
589 && len == sizeof(magic) )
590 lfanewValid = TRUE;
592 if ( !lfanewValid )
594 /* If we cannot read this "extended header" we will
595 * assume that we have a simple DOS executable.
597 *lpBinaryType = SCS_DOS_BINARY;
598 return TRUE;
600 else
602 /* Reading the magic field succeeded so
603 * we will try to determine what type it is.
605 if ( *(DWORD*)magic == IMAGE_NT_SIGNATURE )
607 /* This is an NT signature.
609 *lpBinaryType = SCS_32BIT_BINARY;
610 return TRUE;
612 else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
614 /* The IMAGE_OS2_SIGNATURE indicates that the
615 * "extended header is a Windows executable (NE)
616 * header." This can mean either a 16-bit OS/2
617 * or a 16-bit Windows or even a DOS program
618 * (running under a DOS extender). To decide
619 * which, we'll have to read the NE header.
622 IMAGE_OS2_HEADER ne;
623 if ( SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
624 && ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
625 && len == sizeof(ne) )
627 switch ( ne.ne_exetyp )
629 case 2: *lpBinaryType = SCS_WOW_BINARY; return TRUE;
630 case 5: *lpBinaryType = SCS_DOS_BINARY; return TRUE;
631 default: *lpBinaryType =
632 MODULE_Decide_OS2_OldWin(hfile, &mz_header, &ne);
633 return TRUE;
636 /* Couldn't read header, so abort. */
637 return FALSE;
639 else
641 /* Unknown extended header, but this file is nonetheless
642 DOS-executable.
644 *lpBinaryType = SCS_DOS_BINARY;
645 return TRUE;
651 /* If we get here, we don't even have a correct MZ header.
652 * Try to check the file extension for known types ...
654 ptr = strrchr( filename, '.' );
655 if ( ptr && !strchr( ptr, '\\' ) && !strchr( ptr, '/' ) )
657 if ( !FILE_strcasecmp( ptr, ".COM" ) )
659 *lpBinaryType = SCS_DOS_BINARY;
660 return TRUE;
663 if ( !FILE_strcasecmp( ptr, ".PIF" ) )
665 *lpBinaryType = SCS_PIF_BINARY;
666 return TRUE;
670 return FALSE;
673 /***********************************************************************
674 * GetBinaryTypeA [KERNEL32.280]
676 BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
678 BOOL ret = FALSE;
679 HANDLE hfile;
681 TRACE_(win32)("%s\n", lpApplicationName );
683 /* Sanity check.
685 if ( lpApplicationName == NULL || lpBinaryType == NULL )
686 return FALSE;
688 /* Open the file indicated by lpApplicationName for reading.
690 hfile = CreateFileA( lpApplicationName, GENERIC_READ, FILE_SHARE_READ,
691 NULL, OPEN_EXISTING, 0, 0 );
692 if ( hfile == INVALID_HANDLE_VALUE )
693 return FALSE;
695 /* Check binary type
697 ret = MODULE_GetBinaryType( hfile, lpApplicationName, lpBinaryType );
699 /* Close the file.
701 CloseHandle( hfile );
703 return ret;
706 /***********************************************************************
707 * GetBinaryTypeW [KERNEL32.281]
709 BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
711 BOOL ret = FALSE;
712 LPSTR strNew = NULL;
714 TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) );
716 /* Sanity check.
718 if ( lpApplicationName == NULL || lpBinaryType == NULL )
719 return FALSE;
721 /* Convert the wide string to a ascii string.
723 strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName );
725 if ( strNew != NULL )
727 ret = GetBinaryTypeA( strNew, lpBinaryType );
729 /* Free the allocated string.
731 HeapFree( GetProcessHeap(), 0, strNew );
734 return ret;
738 /***********************************************************************
739 * WinExec16 (KERNEL.166)
741 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
743 LPCSTR p, args = NULL;
744 LPCSTR name_beg, name_end;
745 LPSTR name, cmdline;
746 int arglen;
747 HINSTANCE16 ret;
748 char buffer[MAX_PATH];
750 if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
752 name_beg = lpCmdLine+1;
753 p = strchr ( lpCmdLine+1, '"' );
754 if (p)
756 name_end = p;
757 args = strchr ( p, ' ' );
759 else /* yes, even valid with trailing '"' missing */
760 name_end = lpCmdLine+strlen(lpCmdLine);
762 else
764 name_beg = lpCmdLine;
765 args = strchr( lpCmdLine, ' ' );
766 name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
769 if ((name_beg == lpCmdLine) && (!args))
770 { /* just use the original cmdline string as file name */
771 name = (LPSTR)lpCmdLine;
773 else
775 if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
776 return ERROR_NOT_ENOUGH_MEMORY;
777 memcpy( name, name_beg, name_end - name_beg );
778 name[name_end - name_beg] = '\0';
781 if (args)
783 args++;
784 arglen = strlen(args);
785 cmdline = SEGPTR_ALLOC( 2 + arglen );
786 cmdline[0] = (BYTE)arglen;
787 strcpy( cmdline + 1, args );
789 else
791 cmdline = SEGPTR_ALLOC( 2 );
792 cmdline[0] = cmdline[1] = 0;
795 TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
797 if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
799 LOADPARAMS16 params;
800 WORD *showCmd = SEGPTR_ALLOC( 2*sizeof(WORD) );
801 showCmd[0] = 2;
802 showCmd[1] = nCmdShow;
804 params.hEnvironment = 0;
805 params.cmdLine = SEGPTR_GET(cmdline);
806 params.showCmd = SEGPTR_GET(showCmd);
807 params.reserved = 0;
809 ret = LoadModule16( buffer, &params );
811 SEGPTR_FREE( showCmd );
812 SEGPTR_FREE( cmdline );
814 else ret = GetLastError();
816 if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
818 if (ret == 21) /* 32-bit module */
820 DWORD count;
821 ReleaseThunkLock( &count );
822 ret = WinExec( lpCmdLine, nCmdShow );
823 RestoreThunkLock( count );
825 return ret;
828 /***********************************************************************
829 * WinExec (KERNEL32.566)
831 HINSTANCE WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow )
833 PROCESS_INFORMATION info;
834 STARTUPINFOA startup;
835 HINSTANCE hInstance;
836 char *cmdline;
838 memset( &startup, 0, sizeof(startup) );
839 startup.cb = sizeof(startup);
840 startup.dwFlags = STARTF_USESHOWWINDOW;
841 startup.wShowWindow = nCmdShow;
843 /* cmdline needs to be writeable for CreateProcess */
844 if (!(cmdline = HEAP_strdupA( GetProcessHeap(), 0, lpCmdLine ))) return 0;
846 if (CreateProcessA( NULL, cmdline, NULL, NULL, FALSE,
847 0, NULL, NULL, &startup, &info ))
849 /* Give 30 seconds to the app to come up */
850 if (Callout.WaitForInputIdle &&
851 Callout.WaitForInputIdle( info.hProcess, 30000 ) == 0xFFFFFFFF)
852 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
853 hInstance = 33;
854 /* Close off the handles */
855 CloseHandle( info.hThread );
856 CloseHandle( info.hProcess );
858 else if ((hInstance = GetLastError()) >= 32)
860 FIXME("Strange error set by CreateProcess: %d\n", hInstance );
861 hInstance = 11;
863 HeapFree( GetProcessHeap(), 0, cmdline );
864 return hInstance;
867 /**********************************************************************
868 * LoadModule (KERNEL32.499)
870 HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock )
872 LOADPARAMS *params = (LOADPARAMS *)paramBlock;
873 PROCESS_INFORMATION info;
874 STARTUPINFOA startup;
875 HINSTANCE hInstance;
876 LPSTR cmdline, p;
877 char filename[MAX_PATH];
878 BYTE len;
880 if (!name) return ERROR_FILE_NOT_FOUND;
882 if (!SearchPathA( NULL, name, ".exe", sizeof(filename), filename, NULL ) &&
883 !SearchPathA( NULL, name, NULL, sizeof(filename), filename, NULL ))
884 return GetLastError();
886 len = (BYTE)params->lpCmdLine[0];
887 if (!(cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + len + 2 )))
888 return ERROR_NOT_ENOUGH_MEMORY;
890 strcpy( cmdline, filename );
891 p = cmdline + strlen(cmdline);
892 *p++ = ' ';
893 memcpy( p, params->lpCmdLine + 1, len );
894 p[len] = 0;
896 memset( &startup, 0, sizeof(startup) );
897 startup.cb = sizeof(startup);
898 if (params->lpCmdShow)
900 startup.dwFlags = STARTF_USESHOWWINDOW;
901 startup.wShowWindow = params->lpCmdShow[1];
904 if (CreateProcessA( filename, cmdline, NULL, NULL, FALSE, 0,
905 params->lpEnvAddress, NULL, &startup, &info ))
907 /* Give 30 seconds to the app to come up */
908 if (Callout.WaitForInputIdle &&
909 Callout.WaitForInputIdle( info.hProcess, 30000 ) == 0xFFFFFFFF )
910 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
911 hInstance = 33;
912 /* Close off the handles */
913 CloseHandle( info.hThread );
914 CloseHandle( info.hProcess );
916 else if ((hInstance = GetLastError()) >= 32)
918 FIXME("Strange error set by CreateProcess: %d\n", hInstance );
919 hInstance = 11;
922 HeapFree( GetProcessHeap(), 0, cmdline );
923 return hInstance;
927 /*************************************************************************
928 * get_file_name
930 * Helper for CreateProcess: retrieve the file name to load from the
931 * app name and command line. Store the file name in buffer, and
932 * return a possibly modified command line.
934 static LPSTR get_file_name( LPCSTR appname, LPSTR cmdline, LPSTR buffer, int buflen )
936 char *name, *pos, *ret = NULL;
937 const char *p;
939 /* if we have an app name, everything is easy */
941 if (appname)
943 /* use the unmodified app name as file name */
944 lstrcpynA( buffer, appname, buflen );
945 if (!(ret = cmdline))
947 /* no command-line, create one */
948 if ((ret = HeapAlloc( GetProcessHeap(), 0, strlen(appname) + 3 )))
949 sprintf( ret, "\"%s\"", appname );
951 return ret;
954 if (!cmdline)
956 SetLastError( ERROR_INVALID_PARAMETER );
957 return NULL;
960 /* first check for a quoted file name */
962 if ((cmdline[0] == '"') && ((p = strchr( cmdline + 1, '"' ))))
964 int len = p - cmdline - 1;
965 /* extract the quoted portion as file name */
966 if (!(name = HeapAlloc( GetProcessHeap(), 0, len + 1 ))) return NULL;
967 memcpy( name, cmdline + 1, len );
968 name[len] = 0;
970 if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
971 SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
972 ret = cmdline; /* no change necessary */
973 goto done;
976 /* now try the command-line word by word */
978 if (!(name = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 1 ))) return NULL;
979 pos = name;
980 p = cmdline;
982 while (*p)
984 do *pos++ = *p++; while (*p && *p != ' ');
985 *pos = 0;
986 TRACE("trying '%s'\n", name );
987 if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
988 SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
990 ret = cmdline;
991 break;
995 if (!ret || !strchr( name, ' ' )) goto done; /* no change necessary */
997 /* now build a new command-line with quotes */
999 if (!(ret = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 3 ))) goto done;
1000 sprintf( ret, "\"%s\"%s", name, p );
1002 done:
1003 HeapFree( GetProcessHeap(), 0, name );
1004 return ret;
1008 /**********************************************************************
1009 * CreateProcessA (KERNEL32.171)
1011 BOOL WINAPI CreateProcessA( LPCSTR lpApplicationName, LPSTR lpCommandLine,
1012 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1013 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1014 BOOL bInheritHandles, DWORD dwCreationFlags,
1015 LPVOID lpEnvironment, LPCSTR lpCurrentDirectory,
1016 LPSTARTUPINFOA lpStartupInfo,
1017 LPPROCESS_INFORMATION lpProcessInfo )
1019 BOOL retv = FALSE;
1020 HANDLE hFile;
1021 DWORD type;
1022 char name[MAX_PATH];
1023 LPSTR tidy_cmdline;
1025 /* Process the AppName and/or CmdLine to get module name and path */
1027 TRACE("app '%s' cmdline '%s'\n", lpApplicationName, lpCommandLine );
1029 if (!(tidy_cmdline = get_file_name( lpApplicationName, lpCommandLine, name, sizeof(name) )))
1030 return FALSE;
1032 /* Warn if unsupported features are used */
1034 if (dwCreationFlags & DETACHED_PROCESS)
1035 FIXME("(%s,...): DETACHED_PROCESS ignored\n", name);
1036 if (dwCreationFlags & CREATE_NEW_CONSOLE)
1037 FIXME("(%s,...): CREATE_NEW_CONSOLE ignored\n", name);
1038 if (dwCreationFlags & NORMAL_PRIORITY_CLASS)
1039 FIXME("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name);
1040 if (dwCreationFlags & IDLE_PRIORITY_CLASS)
1041 FIXME("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name);
1042 if (dwCreationFlags & HIGH_PRIORITY_CLASS)
1043 FIXME("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name);
1044 if (dwCreationFlags & REALTIME_PRIORITY_CLASS)
1045 FIXME("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name);
1046 if (dwCreationFlags & CREATE_NEW_PROCESS_GROUP)
1047 FIXME("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name);
1048 if (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT)
1049 FIXME("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name);
1050 if (dwCreationFlags & CREATE_SEPARATE_WOW_VDM)
1051 FIXME("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name);
1052 if (dwCreationFlags & CREATE_SHARED_WOW_VDM)
1053 FIXME("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name);
1054 if (dwCreationFlags & CREATE_DEFAULT_ERROR_MODE)
1055 FIXME("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name);
1056 if (dwCreationFlags & CREATE_NO_WINDOW)
1057 FIXME("(%s,...): CREATE_NO_WINDOW ignored\n", name);
1058 if (dwCreationFlags & PROFILE_USER)
1059 FIXME("(%s,...): PROFILE_USER ignored\n", name);
1060 if (dwCreationFlags & PROFILE_KERNEL)
1061 FIXME("(%s,...): PROFILE_KERNEL ignored\n", name);
1062 if (dwCreationFlags & PROFILE_SERVER)
1063 FIXME("(%s,...): PROFILE_SERVER ignored\n", name);
1064 if (lpStartupInfo->lpDesktop)
1065 FIXME("(%s,...): lpStartupInfo->lpDesktop %s ignored\n",
1066 name, lpStartupInfo->lpDesktop);
1067 if (lpStartupInfo->lpTitle)
1068 FIXME("(%s,...): lpStartupInfo->lpTitle %s ignored\n",
1069 name, lpStartupInfo->lpTitle);
1070 if (lpStartupInfo->dwFlags & STARTF_USECOUNTCHARS)
1071 FIXME("(%s,...): STARTF_USECOUNTCHARS (%ld,%ld) ignored\n",
1072 name, lpStartupInfo->dwXCountChars, lpStartupInfo->dwYCountChars);
1073 if (lpStartupInfo->dwFlags & STARTF_USEFILLATTRIBUTE)
1074 FIXME("(%s,...): STARTF_USEFILLATTRIBUTE %lx ignored\n",
1075 name, lpStartupInfo->dwFillAttribute);
1076 if (lpStartupInfo->dwFlags & STARTF_RUNFULLSCREEN)
1077 FIXME("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name);
1078 if (lpStartupInfo->dwFlags & STARTF_FORCEONFEEDBACK)
1079 FIXME("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name);
1080 if (lpStartupInfo->dwFlags & STARTF_FORCEOFFFEEDBACK)
1081 FIXME("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name);
1082 if (lpStartupInfo->dwFlags & STARTF_USEHOTKEY)
1083 FIXME("(%s,...): STARTF_USEHOTKEY ignored\n", name);
1085 /* Open file and determine executable type */
1087 hFile = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 );
1088 if (hFile == INVALID_HANDLE_VALUE) goto done;
1090 if ( !MODULE_GetBinaryType( hFile, name, &type ) )
1092 CloseHandle( hFile );
1093 retv = PROCESS_Create( 0, name, tidy_cmdline, lpEnvironment,
1094 lpProcessAttributes, lpThreadAttributes,
1095 bInheritHandles, dwCreationFlags,
1096 lpStartupInfo, lpProcessInfo, lpCurrentDirectory );
1097 goto done;
1100 /* Create process */
1102 switch ( type )
1104 case SCS_32BIT_BINARY:
1105 case SCS_WOW_BINARY:
1106 case SCS_DOS_BINARY:
1107 retv = PROCESS_Create( hFile, name, tidy_cmdline, lpEnvironment,
1108 lpProcessAttributes, lpThreadAttributes,
1109 bInheritHandles, dwCreationFlags,
1110 lpStartupInfo, lpProcessInfo, lpCurrentDirectory);
1111 break;
1113 case SCS_PIF_BINARY:
1114 case SCS_POSIX_BINARY:
1115 case SCS_OS216_BINARY:
1116 FIXME("Unsupported executable type: %ld\n", type );
1117 /* fall through */
1119 default:
1120 SetLastError( ERROR_BAD_FORMAT );
1121 break;
1123 CloseHandle( hFile );
1125 done:
1126 if (tidy_cmdline != lpCommandLine) HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1127 return retv;
1130 /**********************************************************************
1131 * CreateProcessW (KERNEL32.172)
1132 * NOTES
1133 * lpReserved is not converted
1135 BOOL WINAPI CreateProcessW( LPCWSTR lpApplicationName, LPWSTR lpCommandLine,
1136 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1137 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1138 BOOL bInheritHandles, DWORD dwCreationFlags,
1139 LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory,
1140 LPSTARTUPINFOW lpStartupInfo,
1141 LPPROCESS_INFORMATION lpProcessInfo )
1142 { BOOL ret;
1143 STARTUPINFOA StartupInfoA;
1145 LPSTR lpApplicationNameA = HEAP_strdupWtoA (GetProcessHeap(),0,lpApplicationName);
1146 LPSTR lpCommandLineA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCommandLine);
1147 LPSTR lpCurrentDirectoryA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCurrentDirectory);
1149 memcpy (&StartupInfoA, lpStartupInfo, sizeof(STARTUPINFOA));
1150 StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpDesktop);
1151 StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpTitle);
1153 TRACE_(win32)("(%s,%s,...)\n", debugstr_w(lpApplicationName), debugstr_w(lpCommandLine));
1155 if (lpStartupInfo->lpReserved)
1156 FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n", debugstr_w(lpStartupInfo->lpReserved));
1158 ret = CreateProcessA( lpApplicationNameA, lpCommandLineA,
1159 lpProcessAttributes, lpThreadAttributes,
1160 bInheritHandles, dwCreationFlags,
1161 lpEnvironment, lpCurrentDirectoryA,
1162 &StartupInfoA, lpProcessInfo );
1164 HeapFree( GetProcessHeap(), 0, lpCurrentDirectoryA );
1165 HeapFree( GetProcessHeap(), 0, lpCommandLineA );
1166 HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop );
1167 HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle );
1169 return ret;
1172 /***********************************************************************
1173 * GetModuleHandleA (KERNEL32.237)
1175 HMODULE WINAPI GetModuleHandleA(LPCSTR module)
1177 WINE_MODREF *wm;
1179 if ( module == NULL )
1180 wm = exe_modref;
1181 else
1182 wm = MODULE_FindModule( module );
1184 return wm? wm->module : 0;
1187 /***********************************************************************
1188 * GetModuleHandleW
1190 HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
1192 HMODULE hModule;
1193 LPSTR modulea = HEAP_strdupWtoA( GetProcessHeap(), 0, module );
1194 hModule = GetModuleHandleA( modulea );
1195 HeapFree( GetProcessHeap(), 0, modulea );
1196 return hModule;
1200 /***********************************************************************
1201 * GetModuleFileNameA (KERNEL32.235)
1203 * GetModuleFileNameA seems to *always* return the long path;
1204 * it's only GetModuleFileName16 that decides between short/long path
1205 * by checking if exe version >= 4.0.
1206 * (SDK docu doesn't mention this)
1208 DWORD WINAPI GetModuleFileNameA(
1209 HMODULE hModule, /* [in] module handle (32bit) */
1210 LPSTR lpFileName, /* [out] filenamebuffer */
1211 DWORD size ) /* [in] size of filenamebuffer */
1213 WINE_MODREF *wm;
1215 RtlAcquirePebLock();
1217 lpFileName[0] = 0;
1218 if ((wm = MODULE32_LookupHMODULE( hModule )))
1219 lstrcpynA( lpFileName, wm->filename, size );
1221 RtlReleasePebLock();
1222 TRACE("%s\n", lpFileName );
1223 return strlen(lpFileName);
1227 /***********************************************************************
1228 * GetModuleFileNameW (KERNEL32.236)
1230 DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName,
1231 DWORD size )
1233 LPSTR fnA = (char*)HeapAlloc( GetProcessHeap(), 0, size );
1234 DWORD res = GetModuleFileNameA( hModule, fnA, size );
1235 if (size > 0 && !MultiByteToWideChar( CP_ACP, 0, fnA, -1, lpFileName, size ))
1236 lpFileName[size-1] = 0;
1237 HeapFree( GetProcessHeap(), 0, fnA );
1238 return res;
1242 /***********************************************************************
1243 * LoadLibraryExA (KERNEL32)
1245 HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
1247 WINE_MODREF *wm;
1249 if(!libname)
1251 SetLastError(ERROR_INVALID_PARAMETER);
1252 return 0;
1255 if (flags & LOAD_LIBRARY_AS_DATAFILE)
1257 char filename[256];
1258 HMODULE hmod = 0;
1260 /* This method allows searching for the 'native' libraries only */
1261 if (SearchPathA( NULL, libname, ".dll", sizeof(filename), filename, NULL ))
1263 /* FIXME: maybe we should use the hfile parameter instead */
1264 HANDLE hFile = CreateFileA( filename, GENERIC_READ, FILE_SHARE_READ,
1265 NULL, OPEN_EXISTING, 0, 0 );
1266 if (hFile != INVALID_HANDLE_VALUE)
1268 hmod = PE_LoadImage( hFile, filename, flags );
1269 CloseHandle( hFile );
1271 if (hmod) return hmod;
1273 flags |= DONT_RESOLVE_DLL_REFERENCES; /* Just in case */
1274 /* Fallback to normal behaviour */
1277 RtlAcquirePebLock();
1279 wm = MODULE_LoadLibraryExA( libname, hfile, flags );
1280 if ( wm )
1282 if ( !MODULE_DllProcessAttach( wm, NULL ) )
1284 WARN_(module)("Attach failed for module '%s', \n", libname);
1285 MODULE_FreeLibrary(wm);
1286 SetLastError(ERROR_DLL_INIT_FAILED);
1287 wm = NULL;
1291 RtlReleasePebLock();
1292 return wm ? wm->module : 0;
1295 /***********************************************************************
1296 * MODULE_LoadLibraryExA (internal)
1298 * Load a PE style module according to the load order.
1300 * The HFILE parameter is not used and marked reserved in the SDK. I can
1301 * only guess that it should force a file to be mapped, but I rather
1302 * ignore the parameter because it would be extremely difficult to
1303 * integrate this with different types of module represenations.
1306 WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags )
1308 DWORD err = GetLastError();
1309 WINE_MODREF *pwm;
1310 int i;
1311 enum loadorder_type loadorder[LOADORDER_NTYPES];
1312 LPSTR filename, p;
1313 const char *filetype = "";
1315 if ( !libname ) return NULL;
1317 filename = HeapAlloc ( GetProcessHeap(), 0, MAX_PATH + 1 );
1318 if ( !filename ) return NULL;
1320 /* build the modules filename */
1321 if (!SearchPathA( NULL, libname, ".dll", MAX_PATH, filename, NULL ))
1323 if ( ! GetSystemDirectoryA ( filename, MAX_PATH ) )
1324 goto error;
1326 /* if the library name contains a path and can not be found, return an error.
1327 exception: if the path is the system directory, proceed, so that modules,
1328 which are not PE-modules can be loaded
1330 if the library name does not contain a path and can not be found, assume the
1331 system directory is meant */
1333 if ( ! FILE_strncasecmp ( filename, libname, strlen ( filename ) ))
1334 strcpy ( filename, libname );
1335 else
1337 if ( strchr ( libname, '\\' ) || strchr ( libname, ':') || strchr ( libname, '/' ) )
1338 goto error;
1339 else
1341 strcat ( filename, "\\" );
1342 strcat ( filename, libname );
1346 /* if the filename doesn't have an extension append .DLL */
1347 if (!(p = strrchr( filename, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
1348 strcat( filename, ".DLL" );
1351 RtlAcquirePebLock();
1353 /* Check for already loaded module */
1354 if (!(pwm = MODULE_FindModule(filename)) &&
1355 /* no path in libpath */
1356 !strchr( libname, '\\' ) && !strchr( libname, ':') && !strchr( libname, '/' ))
1358 LPSTR fn = HeapAlloc ( GetProcessHeap(), 0, MAX_PATH + 1 );
1359 if (fn)
1361 /* since the default loading mechanism uses a more detailed algorithm
1362 * than SearchPath (like using PATH, which can even be modified between
1363 * two attempts of loading the same DLL), the look-up above (with
1364 * SearchPath) can have put the file in system directory, whereas it
1365 * has already been loaded but with a different path. So do a specific
1366 * look-up with filename (without any path)
1368 strcpy ( fn, libname );
1369 /* if the filename doesn't have an extension append .DLL */
1370 if (!strrchr( fn, '.')) strcat( fn, ".dll" );
1371 if ((pwm = MODULE_FindModule( fn )) != NULL)
1372 strcpy( filename, fn );
1373 HeapFree( GetProcessHeap(), 0, fn );
1376 if (pwm)
1378 if(!(pwm->flags & WINE_MODREF_MARKER))
1379 pwm->refCount++;
1381 if ((pwm->flags & WINE_MODREF_DONT_RESOLVE_REFS) &&
1382 !(flags & DONT_RESOLVE_DLL_REFERENCES))
1384 extern DWORD fixup_imports(WINE_MODREF *wm); /*FIXME*/
1385 pwm->flags &= ~WINE_MODREF_DONT_RESOLVE_REFS;
1386 fixup_imports( pwm );
1388 TRACE("Already loaded module '%s' at 0x%08x, count=%d, \n", filename, pwm->module, pwm->refCount);
1389 RtlReleasePebLock();
1390 HeapFree ( GetProcessHeap(), 0, filename );
1391 return pwm;
1394 MODULE_GetLoadOrder( loadorder, filename, TRUE);
1396 for(i = 0; i < LOADORDER_NTYPES; i++)
1398 if (loadorder[i] == LOADORDER_INVALID) break;
1399 SetLastError( ERROR_FILE_NOT_FOUND );
1401 switch(loadorder[i])
1403 case LOADORDER_DLL:
1404 TRACE("Trying native dll '%s'\n", filename);
1405 pwm = PE_LoadLibraryExA(filename, flags);
1406 filetype = "native";
1407 break;
1409 case LOADORDER_SO:
1410 TRACE("Trying so-library '%s'\n", filename);
1411 pwm = ELF_LoadLibraryExA(filename, flags);
1412 filetype = "so";
1413 break;
1415 case LOADORDER_BI:
1416 TRACE("Trying built-in '%s'\n", filename);
1417 pwm = BUILTIN32_LoadLibraryExA(filename, flags);
1418 filetype = "builtin";
1419 break;
1421 default:
1422 pwm = NULL;
1423 break;
1426 if(pwm)
1428 /* Initialize DLL just loaded */
1429 TRACE("Loaded module '%s' at 0x%08x, \n", filename, pwm->module);
1430 if (!TRACE_ON(module))
1431 TRACE_(loaddll)("Loaded module '%s' : %s\n", filename, filetype);
1432 /* Set the refCount here so that an attach failure will */
1433 /* decrement the dependencies through the MODULE_FreeLibrary call. */
1434 pwm->refCount++;
1436 RtlReleasePebLock();
1437 SetLastError( err ); /* restore last error */
1438 HeapFree ( GetProcessHeap(), 0, filename );
1439 return pwm;
1442 if(GetLastError() != ERROR_FILE_NOT_FOUND)
1443 break;
1446 RtlReleasePebLock();
1447 error:
1448 WARN("Failed to load module '%s'; error=0x%08lx, \n", filename, GetLastError());
1449 HeapFree ( GetProcessHeap(), 0, filename );
1450 return NULL;
1453 /***********************************************************************
1454 * LoadLibraryA (KERNEL32)
1456 HMODULE WINAPI LoadLibraryA(LPCSTR libname) {
1457 return LoadLibraryExA(libname,0,0);
1460 /***********************************************************************
1461 * LoadLibraryW (KERNEL32)
1463 HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW)
1465 return LoadLibraryExW(libnameW,0,0);
1468 /***********************************************************************
1469 * LoadLibrary32_16 (KERNEL.452)
1471 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
1473 HMODULE hModule;
1474 DWORD count;
1476 ReleaseThunkLock( &count );
1477 hModule = LoadLibraryA( libname );
1478 RestoreThunkLock( count );
1479 return hModule;
1482 /***********************************************************************
1483 * LoadLibraryExW (KERNEL32)
1485 HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW,HANDLE hfile,DWORD flags)
1487 LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW );
1488 HMODULE ret = LoadLibraryExA( libnameA , hfile, flags );
1490 HeapFree( GetProcessHeap(), 0, libnameA );
1491 return ret;
1494 /***********************************************************************
1495 * MODULE_FlushModrefs
1497 * NOTE: Assumes that the process critical section is held!
1499 * Remove all unused modrefs and call the internal unloading routines
1500 * for the library type.
1502 static void MODULE_FlushModrefs(void)
1504 WINE_MODREF *wm, *next;
1506 for(wm = MODULE_modref_list; wm; wm = next)
1508 next = wm->next;
1510 if(wm->refCount)
1511 continue;
1513 /* Unlink this modref from the chain */
1514 if(wm->next)
1515 wm->next->prev = wm->prev;
1516 if(wm->prev)
1517 wm->prev->next = wm->next;
1518 if(wm == MODULE_modref_list)
1519 MODULE_modref_list = wm->next;
1521 TRACE(" unloading %s\n", wm->filename);
1522 VirtualFree( (LPVOID)wm->module, 0, MEM_RELEASE );
1523 if (wm->dlhandle) wine_dll_unload( wm->dlhandle );
1524 FreeLibrary16(wm->hDummyMod);
1525 HeapFree( GetProcessHeap(), 0, wm->deps );
1526 HeapFree( GetProcessHeap(), 0, wm->filename );
1527 HeapFree( GetProcessHeap(), 0, wm->short_filename );
1528 HeapFree( GetProcessHeap(), 0, wm );
1532 /***********************************************************************
1533 * FreeLibrary
1535 BOOL WINAPI FreeLibrary(HINSTANCE hLibModule)
1537 BOOL retv = FALSE;
1538 WINE_MODREF *wm;
1540 RtlAcquirePebLock();
1541 free_lib_count++;
1543 wm = MODULE32_LookupHMODULE( hLibModule );
1544 if ( !wm || !hLibModule )
1545 SetLastError( ERROR_INVALID_HANDLE );
1546 else
1547 retv = MODULE_FreeLibrary( wm );
1549 free_lib_count--;
1550 RtlReleasePebLock();
1552 return retv;
1555 /***********************************************************************
1556 * MODULE_DecRefCount
1558 * NOTE: Assumes that the process critical section is held!
1560 static void MODULE_DecRefCount( WINE_MODREF *wm )
1562 int i;
1564 if ( wm->flags & WINE_MODREF_MARKER )
1565 return;
1567 if ( wm->refCount <= 0 )
1568 return;
1570 --wm->refCount;
1571 TRACE("(%s) refCount: %d\n", wm->modname, wm->refCount );
1573 if ( wm->refCount == 0 )
1575 wm->flags |= WINE_MODREF_MARKER;
1577 for ( i = 0; i < wm->nDeps; i++ )
1578 if ( wm->deps[i] )
1579 MODULE_DecRefCount( wm->deps[i] );
1581 wm->flags &= ~WINE_MODREF_MARKER;
1585 /***********************************************************************
1586 * MODULE_FreeLibrary
1588 * NOTE: Assumes that the process critical section is held!
1590 BOOL MODULE_FreeLibrary( WINE_MODREF *wm )
1592 TRACE("(%s) - START\n", wm->modname );
1594 /* Recursively decrement reference counts */
1595 MODULE_DecRefCount( wm );
1597 /* Call process detach notifications */
1598 if ( free_lib_count <= 1 )
1600 MODULE_DllProcessDetach( FALSE, NULL );
1601 SERVER_START_REQ( unload_dll )
1603 req->base = (void *)wm->module;
1604 SERVER_CALL();
1606 SERVER_END_REQ;
1607 MODULE_FlushModrefs();
1610 TRACE("END\n");
1612 return TRUE;
1616 /***********************************************************************
1617 * FreeLibraryAndExitThread
1619 VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
1621 FreeLibrary(hLibModule);
1622 ExitThread(dwExitCode);
1625 /***********************************************************************
1626 * PrivateLoadLibrary (KERNEL32)
1628 * FIXME: rough guesswork, don't know what "Private" means
1630 HINSTANCE WINAPI PrivateLoadLibrary(LPCSTR libname)
1632 return (HINSTANCE)LoadLibrary16(libname);
1637 /***********************************************************************
1638 * PrivateFreeLibrary (KERNEL32)
1640 * FIXME: rough guesswork, don't know what "Private" means
1642 void WINAPI PrivateFreeLibrary(HINSTANCE handle)
1644 FreeLibrary16((HINSTANCE16)handle);
1648 /***********************************************************************
1649 * WIN32_GetProcAddress16 (KERNEL32.36)
1650 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1652 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1654 if (!hModule) {
1655 WARN("hModule may not be 0!\n");
1656 return (FARPROC16)0;
1658 if (HIWORD(hModule))
1660 WARN("hModule is Win32 handle (%08x)\n", hModule );
1661 return (FARPROC16)0;
1663 return GetProcAddress16( hModule, name );
1666 /***********************************************************************
1667 * GetProcAddress16 (KERNEL.50)
1669 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
1671 WORD ordinal;
1672 FARPROC16 ret;
1674 if (!hModule) hModule = GetCurrentTask();
1675 hModule = GetExePtr( hModule );
1677 if (HIWORD(name) != 0)
1679 ordinal = NE_GetOrdinal( hModule, name );
1680 TRACE("%04x '%s'\n", hModule, name );
1682 else
1684 ordinal = LOWORD(name);
1685 TRACE("%04x %04x\n", hModule, ordinal );
1687 if (!ordinal) return (FARPROC16)0;
1689 ret = NE_GetEntryPoint( hModule, ordinal );
1691 TRACE("returning %08x\n", (UINT)ret );
1692 return ret;
1696 /***********************************************************************
1697 * GetProcAddress (KERNEL32.257)
1699 FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
1701 return MODULE_GetProcAddress( hModule, function, TRUE );
1704 /***********************************************************************
1705 * GetProcAddress32 (KERNEL.453)
1707 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
1709 return MODULE_GetProcAddress( hModule, function, FALSE );
1712 /***********************************************************************
1713 * MODULE_GetProcAddress (internal)
1715 FARPROC MODULE_GetProcAddress(
1716 HMODULE hModule, /* [in] current module handle */
1717 LPCSTR function, /* [in] function to be looked up */
1718 BOOL snoop )
1720 WINE_MODREF *wm;
1721 FARPROC retproc = 0;
1723 if (HIWORD(function))
1724 TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
1725 else
1726 TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);
1728 RtlAcquirePebLock();
1729 if ((wm = MODULE32_LookupHMODULE( hModule )))
1731 retproc = wm->find_export( wm, function, snoop );
1732 if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1734 RtlReleasePebLock();
1735 return retproc;
1739 /***************************************************************************
1740 * HasGPHandler (KERNEL.338)
1743 #include "pshpack1.h"
1744 typedef struct _GPHANDLERDEF
1746 WORD selector;
1747 WORD rangeStart;
1748 WORD rangeEnd;
1749 WORD handler;
1750 } GPHANDLERDEF;
1751 #include "poppack.h"
1753 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1755 HMODULE16 hModule;
1756 int gpOrdinal;
1757 SEGPTR gpPtr;
1758 GPHANDLERDEF *gpHandler;
1760 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1761 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1762 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1763 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1764 && (gpHandler = MapSL( gpPtr )) != NULL )
1766 while (gpHandler->selector)
1768 if ( SELECTOROF(address) == gpHandler->selector
1769 && OFFSETOF(address) >= gpHandler->rangeStart
1770 && OFFSETOF(address) < gpHandler->rangeEnd )
1771 return MAKESEGPTR( gpHandler->selector, gpHandler->handler );
1772 gpHandler++;
1776 return 0;