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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
29 #include <sys/types.h>
34 #define WIN32_NO_STATUS
39 #include "kernel_private.h"
42 #include "wine/exception.h"
43 #include "wine/list.h"
44 #include "wine/debug.h"
45 #include "wine/unicode.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(module
);
49 #define NE_FFLAGS_LIBMODULE 0x8000
57 static struct list dll_dir_list
= LIST_INIT( dll_dir_list
); /* extra dirs from AddDllDirectory */
58 static WCHAR
*dll_directory
; /* extra path for SetDllDirectoryW */
59 static DWORD default_search_flags
; /* default flags set by SetDefaultDllDirectories */
61 static CRITICAL_SECTION dlldir_section
;
62 static CRITICAL_SECTION_DEBUG critsect_debug
=
64 0, 0, &dlldir_section
,
65 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
66 0, 0, { (DWORD_PTR
)(__FILE__
": dlldir_section") }
68 static CRITICAL_SECTION dlldir_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
70 /****************************************************************************
71 * GetDllDirectoryA (KERNEL32.@)
73 DWORD WINAPI
GetDllDirectoryA( DWORD buf_len
, LPSTR buffer
)
77 RtlEnterCriticalSection( &dlldir_section
);
78 len
= dll_directory
? FILE_name_WtoA( dll_directory
, strlenW(dll_directory
), NULL
, 0 ) : 0;
79 if (buffer
&& buf_len
> len
)
81 if (dll_directory
) FILE_name_WtoA( dll_directory
, -1, buffer
, buf_len
);
86 len
++; /* for terminating null */
87 if (buffer
) *buffer
= 0;
89 RtlLeaveCriticalSection( &dlldir_section
);
94 /****************************************************************************
95 * GetDllDirectoryW (KERNEL32.@)
97 DWORD WINAPI
GetDllDirectoryW( DWORD buf_len
, LPWSTR buffer
)
101 RtlEnterCriticalSection( &dlldir_section
);
102 len
= dll_directory
? strlenW( dll_directory
) : 0;
103 if (buffer
&& buf_len
> len
)
105 if (dll_directory
) memcpy( buffer
, dll_directory
, (len
+ 1) * sizeof(WCHAR
) );
110 len
++; /* for terminating null */
111 if (buffer
) *buffer
= 0;
113 RtlLeaveCriticalSection( &dlldir_section
);
118 /****************************************************************************
119 * SetDllDirectoryA (KERNEL32.@)
121 BOOL WINAPI
SetDllDirectoryA( LPCSTR dir
)
126 if (!(dirW
= FILE_name_AtoW( dir
, TRUE
))) return FALSE
;
127 ret
= SetDllDirectoryW( dirW
);
128 HeapFree( GetProcessHeap(), 0, dirW
);
133 /****************************************************************************
134 * SetDllDirectoryW (KERNEL32.@)
136 BOOL WINAPI
SetDllDirectoryW( LPCWSTR dir
)
138 WCHAR
*newdir
= NULL
;
142 DWORD len
= (strlenW(dir
) + 1) * sizeof(WCHAR
);
143 if (!(newdir
= HeapAlloc( GetProcessHeap(), 0, len
)))
145 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
148 memcpy( newdir
, dir
, len
);
151 RtlEnterCriticalSection( &dlldir_section
);
152 HeapFree( GetProcessHeap(), 0, dll_directory
);
153 dll_directory
= newdir
;
154 RtlLeaveCriticalSection( &dlldir_section
);
159 /****************************************************************************
160 * AddDllDirectory (KERNEL32.@)
162 DLL_DIRECTORY_COOKIE WINAPI
AddDllDirectory( const WCHAR
*dir
)
164 WCHAR path
[MAX_PATH
];
166 struct dll_dir_entry
*ptr
;
167 DOS_PATHNAME_TYPE type
= RtlDetermineDosPathNameType_U( dir
);
169 if (type
!= ABSOLUTE_PATH
&& type
!= ABSOLUTE_DRIVE_PATH
)
171 SetLastError( ERROR_INVALID_PARAMETER
);
174 if (!(len
= GetFullPathNameW( dir
, MAX_PATH
, path
, NULL
))) return NULL
;
175 if (GetFileAttributesW( path
) == INVALID_FILE_ATTRIBUTES
) return NULL
;
177 if (!(ptr
= HeapAlloc( GetProcessHeap(), 0, offsetof(struct dll_dir_entry
, dir
[++len
] )))) return NULL
;
178 memcpy( ptr
->dir
, path
, len
* sizeof(WCHAR
) );
179 TRACE( "%s\n", debugstr_w( ptr
->dir
));
181 RtlEnterCriticalSection( &dlldir_section
);
182 list_add_head( &dll_dir_list
, &ptr
->entry
);
183 RtlLeaveCriticalSection( &dlldir_section
);
188 /****************************************************************************
189 * RemoveDllDirectory (KERNEL32.@)
191 BOOL WINAPI
RemoveDllDirectory( DLL_DIRECTORY_COOKIE cookie
)
193 struct dll_dir_entry
*ptr
= cookie
;
195 TRACE( "%s\n", debugstr_w( ptr
->dir
));
197 RtlEnterCriticalSection( &dlldir_section
);
198 list_remove( &ptr
->entry
);
199 HeapFree( GetProcessHeap(), 0, ptr
);
200 RtlLeaveCriticalSection( &dlldir_section
);
205 /*************************************************************************
206 * SetDefaultDllDirectories (KERNEL32.@)
208 BOOL WINAPI
SetDefaultDllDirectories( DWORD flags
)
210 /* LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR doesn't make sense in default dirs */
211 const DWORD load_library_search_flags
= (LOAD_LIBRARY_SEARCH_APPLICATION_DIR
|
212 LOAD_LIBRARY_SEARCH_USER_DIRS
|
213 LOAD_LIBRARY_SEARCH_SYSTEM32
|
214 LOAD_LIBRARY_SEARCH_DEFAULT_DIRS
);
216 if (!flags
|| (flags
& ~load_library_search_flags
))
218 SetLastError( ERROR_INVALID_PARAMETER
);
221 default_search_flags
= flags
;
226 /****************************************************************************
227 * DisableThreadLibraryCalls (KERNEL32.@)
229 * Inform the module loader that thread notifications are not required for a dll.
232 * hModule [I] Module handle to skip calls for
235 * Success: TRUE. Thread attach and detach notifications will not be sent
237 * Failure: FALSE. Use GetLastError() to determine the cause.
240 * This is typically called from the dll entry point of a dll during process
241 * attachment, for dlls that do not need to process thread notifications.
243 BOOL WINAPI
DisableThreadLibraryCalls( HMODULE hModule
)
245 NTSTATUS nts
= LdrDisableThreadCalloutsForDll( hModule
);
246 if (nts
== STATUS_SUCCESS
) return TRUE
;
248 SetLastError( RtlNtStatusToDosError( nts
) );
253 /* Check whether a file is an OS/2 or a very old Windows executable
254 * by testing on import of KERNEL.
256 * FIXME: is reading the module imports the only way of discerning
257 * old Windows binaries from OS/2 ones ? At least it seems so...
259 static DWORD
MODULE_Decide_OS2_OldWin(HANDLE hfile
, const IMAGE_DOS_HEADER
*mz
, const IMAGE_OS2_HEADER
*ne
)
261 DWORD currpos
= SetFilePointer( hfile
, 0, NULL
, SEEK_CUR
);
262 DWORD ret
= BINARY_OS216
;
263 LPWORD modtab
= NULL
;
264 LPSTR nametab
= NULL
;
268 /* read modref table */
269 if ( (SetFilePointer( hfile
, mz
->e_lfanew
+ ne
->ne_modtab
, NULL
, SEEK_SET
) == -1)
270 || (!(modtab
= HeapAlloc( GetProcessHeap(), 0, ne
->ne_cmod
*sizeof(WORD
))))
271 || (!(ReadFile(hfile
, modtab
, ne
->ne_cmod
*sizeof(WORD
), &len
, NULL
)))
272 || (len
!= ne
->ne_cmod
*sizeof(WORD
)) )
275 /* read imported names table */
276 if ( (SetFilePointer( hfile
, mz
->e_lfanew
+ ne
->ne_imptab
, NULL
, SEEK_SET
) == -1)
277 || (!(nametab
= HeapAlloc( GetProcessHeap(), 0, ne
->ne_enttab
- ne
->ne_imptab
)))
278 || (!(ReadFile(hfile
, nametab
, ne
->ne_enttab
- ne
->ne_imptab
, &len
, NULL
)))
279 || (len
!= ne
->ne_enttab
- ne
->ne_imptab
) )
282 for (i
=0; i
< ne
->ne_cmod
; i
++)
284 LPSTR module
= &nametab
[modtab
[i
]];
285 TRACE("modref: %.*s\n", module
[0], &module
[1]);
286 if (!(strncmp(&module
[1], "KERNEL", module
[0])))
287 { /* very old Windows file */
288 MESSAGE("This seems to be a very old (pre-3.0) Windows executable. Expect crashes, especially if this is a real-mode binary !\n");
295 ERR("Hmm, an error occurred. Is this binary file broken?\n");
298 HeapFree( GetProcessHeap(), 0, modtab
);
299 HeapFree( GetProcessHeap(), 0, nametab
);
300 SetFilePointer( hfile
, currpos
, NULL
, SEEK_SET
); /* restore filepos */
304 /***********************************************************************
305 * MODULE_GetBinaryType
307 void MODULE_get_binary_info( HANDLE hfile
, struct binary_info
*info
)
313 unsigned char magic
[4];
316 unsigned char version
;
317 unsigned char ignored
[9];
319 unsigned short machine
;
324 unsigned int cputype
;
325 unsigned int cpusubtype
;
326 unsigned int filetype
;
333 memset( info
, 0, sizeof(*info
) );
335 /* Seek to the start of the file and read the header information. */
336 if (SetFilePointer( hfile
, 0, NULL
, SEEK_SET
) == -1) return;
337 if (!ReadFile( hfile
, &header
, sizeof(header
), &len
, NULL
) || len
!= sizeof(header
)) return;
339 if (!memcmp( header
.elf
.magic
, "\177ELF", 4 ))
341 if (header
.elf
.class == 2) info
->flags
|= BINARY_FLAG_64BIT
;
342 #ifdef WORDS_BIGENDIAN
343 if (header
.elf
.data
== 1)
345 if (header
.elf
.data
== 2)
348 header
.elf
.type
= RtlUshortByteSwap( header
.elf
.type
);
349 header
.elf
.machine
= RtlUshortByteSwap( header
.elf
.machine
);
351 switch(header
.elf
.type
)
353 case 2: info
->type
= BINARY_UNIX_EXE
; break;
354 case 3: info
->type
= BINARY_UNIX_LIB
; break;
356 switch(header
.elf
.machine
)
358 case 3: info
->arch
= IMAGE_FILE_MACHINE_I386
; break;
359 case 20: info
->arch
= IMAGE_FILE_MACHINE_POWERPC
; break;
360 case 40: info
->arch
= IMAGE_FILE_MACHINE_ARMNT
; break;
361 case 50: info
->arch
= IMAGE_FILE_MACHINE_IA64
; break;
362 case 62: info
->arch
= IMAGE_FILE_MACHINE_AMD64
; break;
363 case 183: info
->arch
= IMAGE_FILE_MACHINE_ARM64
; break;
366 /* Mach-o File with Endian set to Big Endian or Little Endian */
367 else if (header
.macho
.magic
== 0xfeedface || header
.macho
.magic
== 0xcefaedfe ||
368 header
.macho
.magic
== 0xfeedfacf || header
.macho
.magic
== 0xcffaedfe)
370 if ((header
.macho
.cputype
>> 24) == 1) info
->flags
|= BINARY_FLAG_64BIT
;
371 if (header
.macho
.magic
== 0xcefaedfe || header
.macho
.magic
== 0xcffaedfe)
373 header
.macho
.filetype
= RtlUlongByteSwap( header
.macho
.filetype
);
374 header
.macho
.cputype
= RtlUlongByteSwap( header
.macho
.cputype
);
376 switch(header
.macho
.filetype
)
378 case 2: info
->type
= BINARY_UNIX_EXE
; break;
379 case 8: info
->type
= BINARY_UNIX_LIB
; break;
381 switch(header
.macho
.cputype
)
383 case 0x00000007: info
->arch
= IMAGE_FILE_MACHINE_I386
; break;
384 case 0x01000007: info
->arch
= IMAGE_FILE_MACHINE_AMD64
; break;
385 case 0x0000000c: info
->arch
= IMAGE_FILE_MACHINE_ARMNT
; break;
386 case 0x0100000c: info
->arch
= IMAGE_FILE_MACHINE_ARM64
; break;
387 case 0x00000012: info
->arch
= IMAGE_FILE_MACHINE_POWERPC
; break;
390 /* Not ELF, try DOS */
391 else if (header
.mz
.e_magic
== IMAGE_DOS_SIGNATURE
)
395 IMAGE_OS2_HEADER os2
;
396 IMAGE_NT_HEADERS32 nt
;
397 IMAGE_NT_HEADERS64 nt64
;
400 /* We do have a DOS image so we will now try to seek into
401 * the file by the amount indicated by the field
402 * "Offset to extended header" and read in the
403 * "magic" field information at that location.
404 * This will tell us if there is more header information
407 info
->type
= BINARY_DOS
;
408 info
->arch
= IMAGE_FILE_MACHINE_I386
;
409 if (SetFilePointer( hfile
, header
.mz
.e_lfanew
, NULL
, SEEK_SET
) == -1) return;
410 if (!ReadFile( hfile
, &ext_header
, sizeof(ext_header
), &len
, NULL
) || len
< 4) return;
412 /* Reading the magic field succeeded so
413 * we will try to determine what type it is.
415 if (!memcmp( &ext_header
.nt
.Signature
, "PE\0\0", 4 ))
417 if (len
>= sizeof(ext_header
.nt
.FileHeader
))
419 static const char fakedll_signature
[] = "Wine placeholder DLL";
420 char buffer
[sizeof(fakedll_signature
)];
422 info
->type
= BINARY_PE
;
423 info
->arch
= ext_header
.nt
.FileHeader
.Machine
;
424 if (ext_header
.nt
.FileHeader
.Characteristics
& IMAGE_FILE_DLL
)
425 info
->flags
|= BINARY_FLAG_DLL
;
426 if (len
< sizeof(ext_header
)) /* clear remaining part of header if missing */
427 memset( (char *)&ext_header
+ len
, 0, sizeof(ext_header
) - len
);
428 switch (ext_header
.nt
.OptionalHeader
.Magic
)
430 case IMAGE_NT_OPTIONAL_HDR32_MAGIC
:
431 info
->res_start
= ext_header
.nt
.OptionalHeader
.ImageBase
;
432 info
->res_end
= info
->res_start
+ ext_header
.nt
.OptionalHeader
.SizeOfImage
;
434 case IMAGE_NT_OPTIONAL_HDR64_MAGIC
:
435 info
->res_start
= ext_header
.nt64
.OptionalHeader
.ImageBase
;
436 info
->res_end
= info
->res_start
+ ext_header
.nt64
.OptionalHeader
.SizeOfImage
;
437 info
->flags
|= BINARY_FLAG_64BIT
;
441 if (header
.mz
.e_lfanew
>= sizeof(header
.mz
) + sizeof(fakedll_signature
) &&
442 SetFilePointer( hfile
, sizeof(header
.mz
), NULL
, SEEK_SET
) == sizeof(header
.mz
) &&
443 ReadFile( hfile
, buffer
, sizeof(fakedll_signature
), &len
, NULL
) &&
444 len
== sizeof(fakedll_signature
) &&
445 !memcmp( buffer
, fakedll_signature
, sizeof(fakedll_signature
) ))
447 info
->flags
|= BINARY_FLAG_FAKEDLL
;
451 else if (!memcmp( &ext_header
.os2
.ne_magic
, "NE", 2 ))
453 /* This is a Windows executable (NE) header. This can
454 * mean either a 16-bit OS/2 or a 16-bit Windows or even a
455 * DOS program (running under a DOS extender). To decide
456 * which, we'll have to read the NE header.
458 if (len
>= sizeof(ext_header
.os2
))
460 if (ext_header
.os2
.ne_flags
& NE_FFLAGS_LIBMODULE
) info
->flags
|= BINARY_FLAG_DLL
;
461 switch ( ext_header
.os2
.ne_exetyp
)
463 case 1: info
->type
= BINARY_OS216
; break; /* OS/2 */
464 case 2: info
->type
= BINARY_WIN16
; break; /* Windows */
465 case 3: info
->type
= BINARY_DOS
; break; /* European MS-DOS 4.x */
466 case 4: info
->type
= BINARY_WIN16
; break; /* Windows 386; FIXME: is this 32bit??? */
467 case 5: info
->type
= BINARY_DOS
; break; /* BOSS, Borland Operating System Services */
468 /* other types, e.g. 0 is: "unknown" */
469 default: info
->type
= MODULE_Decide_OS2_OldWin(hfile
, &header
.mz
, &ext_header
.os2
); break;
476 /***********************************************************************
477 * GetBinaryTypeW [KERNEL32.@]
479 * Determine whether a file is executable, and if so, what kind.
482 * lpApplicationName [I] Path of the file to check
483 * lpBinaryType [O] Destination for the binary type
486 * TRUE, if the file is an executable, in which case lpBinaryType is set.
487 * FALSE, if the file is not an executable or if the function fails.
490 * The type of executable is a property that determines which subsystem an
491 * executable file runs under. lpBinaryType can be set to one of the following
493 * SCS_32BIT_BINARY: A Win32 based application
494 * SCS_64BIT_BINARY: A Win64 based application
495 * SCS_DOS_BINARY: An MS-Dos based application
496 * SCS_WOW_BINARY: A Win16 based application
497 * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
498 * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
499 * SCS_OS216_BINARY: A 16bit OS/2 based application
501 * To find the binary type, this function reads in the files header information.
502 * If extended header information is not present it will assume that the file
503 * is a DOS executable. If extended header information is present it will
504 * determine if the file is a 16, 32 or 64 bit Windows executable by checking the
505 * flags in the header.
507 * ".com" and ".pif" files are only recognized by their file name extension,
508 * as per native Windows.
510 BOOL WINAPI
GetBinaryTypeW( LPCWSTR lpApplicationName
, LPDWORD lpBinaryType
)
514 struct binary_info binary_info
;
516 TRACE("%s\n", debugstr_w(lpApplicationName
) );
520 if ( lpApplicationName
== NULL
|| lpBinaryType
== NULL
)
523 /* Open the file indicated by lpApplicationName for reading.
525 hfile
= CreateFileW( lpApplicationName
, GENERIC_READ
, FILE_SHARE_READ
,
526 NULL
, OPEN_EXISTING
, 0, 0 );
527 if ( hfile
== INVALID_HANDLE_VALUE
)
532 MODULE_get_binary_info( hfile
, &binary_info
);
533 switch (binary_info
.type
)
537 static const WCHAR comW
[] = { '.','C','O','M',0 };
538 static const WCHAR pifW
[] = { '.','P','I','F',0 };
541 /* try to determine from file name */
542 ptr
= strrchrW( lpApplicationName
, '.' );
544 if (!strcmpiW( ptr
, comW
))
546 *lpBinaryType
= SCS_DOS_BINARY
;
549 else if (!strcmpiW( ptr
, pifW
))
551 *lpBinaryType
= SCS_PIF_BINARY
;
557 *lpBinaryType
= (binary_info
.flags
& BINARY_FLAG_64BIT
) ? SCS_64BIT_BINARY
: SCS_32BIT_BINARY
;
561 *lpBinaryType
= SCS_WOW_BINARY
;
565 *lpBinaryType
= SCS_OS216_BINARY
;
569 *lpBinaryType
= SCS_DOS_BINARY
;
572 case BINARY_UNIX_EXE
:
573 case BINARY_UNIX_LIB
:
578 CloseHandle( hfile
);
582 /***********************************************************************
583 * GetBinaryTypeA [KERNEL32.@]
584 * GetBinaryType [KERNEL32.@]
586 * See GetBinaryTypeW.
588 BOOL WINAPI
GetBinaryTypeA( LPCSTR lpApplicationName
, LPDWORD lpBinaryType
)
590 ANSI_STRING app_nameA
;
593 TRACE("%s\n", debugstr_a(lpApplicationName
));
597 if ( lpApplicationName
== NULL
|| lpBinaryType
== NULL
)
600 RtlInitAnsiString(&app_nameA
, lpApplicationName
);
601 status
= RtlAnsiStringToUnicodeString(&NtCurrentTeb()->StaticUnicodeString
,
604 return GetBinaryTypeW(NtCurrentTeb()->StaticUnicodeString
.Buffer
, lpBinaryType
);
606 SetLastError(RtlNtStatusToDosError(status
));
610 /***********************************************************************
611 * GetModuleHandleExA (KERNEL32.@)
613 BOOL WINAPI
GetModuleHandleExA( DWORD flags
, LPCSTR name
, HMODULE
*module
)
617 if (!name
|| (flags
& GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
))
618 return GetModuleHandleExW( flags
, (LPCWSTR
)name
, module
);
620 if (!(nameW
= FILE_name_AtoW( name
, FALSE
))) return FALSE
;
621 return GetModuleHandleExW( flags
, nameW
, module
);
624 /***********************************************************************
625 * GetModuleHandleExW (KERNEL32.@)
627 BOOL WINAPI
GetModuleHandleExW( DWORD flags
, LPCWSTR name
, HMODULE
*module
)
629 NTSTATUS status
= STATUS_SUCCESS
;
636 SetLastError( ERROR_INVALID_PARAMETER
);
640 /* if we are messing with the refcount, grab the loader lock */
641 lock
= (flags
& GET_MODULE_HANDLE_EX_FLAG_PIN
) || !(flags
& GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT
);
643 LdrLockLoaderLock( 0, NULL
, &magic
);
647 ret
= NtCurrentTeb()->Peb
->ImageBaseAddress
;
649 else if (flags
& GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
)
652 if (!(ret
= RtlPcToFileHeader( (void *)name
, &dummy
))) status
= STATUS_DLL_NOT_FOUND
;
657 RtlInitUnicodeString( &wstr
, name
);
658 status
= LdrGetDllHandle( NULL
, 0, &wstr
, &ret
);
661 if (status
== STATUS_SUCCESS
)
663 if (flags
& GET_MODULE_HANDLE_EX_FLAG_PIN
)
664 LdrAddRefDll( LDR_ADDREF_DLL_PIN
, ret
);
665 else if (!(flags
& GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT
))
666 LdrAddRefDll( 0, ret
);
668 else SetLastError( RtlNtStatusToDosError( status
) );
671 LdrUnlockLoaderLock( 0, magic
);
673 if (status
== STATUS_SUCCESS
) *module
= ret
;
676 return (status
== STATUS_SUCCESS
);
679 /***********************************************************************
680 * GetModuleHandleA (KERNEL32.@)
682 * Get the handle of a dll loaded into the process address space.
685 * module [I] Name of the dll
688 * Success: A handle to the loaded dll.
689 * Failure: A NULL handle. Use GetLastError() to determine the cause.
691 HMODULE WINAPI DECLSPEC_HOTPATCH
GetModuleHandleA(LPCSTR module
)
695 GetModuleHandleExA( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT
, module
, &ret
);
699 /***********************************************************************
700 * GetModuleHandleW (KERNEL32.@)
702 * Unicode version of GetModuleHandleA.
704 HMODULE WINAPI
GetModuleHandleW(LPCWSTR module
)
708 GetModuleHandleExW( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT
, module
, &ret
);
713 /***********************************************************************
714 * GetModuleFileNameA (KERNEL32.@)
716 * Get the file name of a loaded module from its handle.
719 * Success: The length of the file name, excluding the terminating NUL.
720 * Failure: 0. Use GetLastError() to determine the cause.
723 * This function always returns the long path of hModule
724 * The function doesn't write a terminating '\0' if the buffer is too
727 DWORD WINAPI
GetModuleFileNameA(
728 HMODULE hModule
, /* [in] Module handle (32 bit) */
729 LPSTR lpFileName
, /* [out] Destination for file name */
730 DWORD size
) /* [in] Size of lpFileName in characters */
732 LPWSTR filenameW
= HeapAlloc( GetProcessHeap(), 0, size
* sizeof(WCHAR
) );
737 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
740 if ((len
= GetModuleFileNameW( hModule
, filenameW
, size
)))
742 len
= FILE_name_WtoA( filenameW
, len
, lpFileName
, size
);
744 lpFileName
[len
] = '\0';
746 SetLastError( ERROR_INSUFFICIENT_BUFFER
);
748 HeapFree( GetProcessHeap(), 0, filenameW
);
752 /***********************************************************************
753 * GetModuleFileNameW (KERNEL32.@)
755 * Unicode version of GetModuleFileNameA.
757 DWORD WINAPI
GetModuleFileNameW( HMODULE hModule
, LPWSTR lpFileName
, DWORD size
)
763 WIN16_SUBSYSTEM_TIB
*win16_tib
;
765 if (!hModule
&& ((win16_tib
= NtCurrentTeb()->Tib
.SubSystemTib
)) && win16_tib
->exe_name
)
767 len
= min(size
, win16_tib
->exe_name
->Length
/ sizeof(WCHAR
));
768 memcpy( lpFileName
, win16_tib
->exe_name
->Buffer
, len
* sizeof(WCHAR
) );
769 if (len
< size
) lpFileName
[len
] = '\0';
773 LdrLockLoaderLock( 0, NULL
, &magic
);
775 if (!hModule
) hModule
= NtCurrentTeb()->Peb
->ImageBaseAddress
;
776 nts
= LdrFindEntryForAddress( hModule
, &pldr
);
777 if (nts
== STATUS_SUCCESS
)
779 len
= min(size
, pldr
->FullDllName
.Length
/ sizeof(WCHAR
));
780 memcpy(lpFileName
, pldr
->FullDllName
.Buffer
, len
* sizeof(WCHAR
));
783 lpFileName
[len
] = '\0';
787 SetLastError( ERROR_INSUFFICIENT_BUFFER
);
789 else SetLastError( RtlNtStatusToDosError( nts
) );
791 LdrUnlockLoaderLock( 0, magic
);
793 TRACE( "%s\n", debugstr_wn(lpFileName
, len
) );
798 /***********************************************************************
799 * get_dll_system_path
801 static const WCHAR
*get_dll_system_path(void)
803 static WCHAR
*cached_path
;
810 len
+= 2 * GetSystemDirectoryW( NULL
, 0 );
811 len
+= GetWindowsDirectoryW( NULL
, 0 );
812 p
= path
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
813 GetSystemDirectoryW( p
, path
+ len
- p
);
815 /* if system directory ends in "32" add 16-bit version too */
816 if (p
[-2] == '3' && p
[-1] == '2')
819 GetSystemDirectoryW( p
, path
+ len
- p
);
823 GetWindowsDirectoryW( p
, path
+ len
- p
);
829 /***********************************************************************
832 static BOOL
get_dll_safe_mode(void)
834 static const WCHAR keyW
[] = {'\\','R','e','g','i','s','t','r','y','\\',
835 'M','a','c','h','i','n','e','\\',
836 'S','y','s','t','e','m','\\',
837 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
838 'C','o','n','t','r','o','l','\\',
839 'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
840 static const WCHAR valueW
[] = {'S','a','f','e','D','l','l','S','e','a','r','c','h','M','o','d','e',0};
842 static int safe_mode
= -1;
846 char buffer
[offsetof(KEY_VALUE_PARTIAL_INFORMATION
, Data
[sizeof(DWORD
)])];
847 KEY_VALUE_PARTIAL_INFORMATION
*info
= (KEY_VALUE_PARTIAL_INFORMATION
*)buffer
;
848 OBJECT_ATTRIBUTES attr
;
849 UNICODE_STRING nameW
;
851 DWORD size
= sizeof(buffer
);
853 attr
.Length
= sizeof(attr
);
854 attr
.RootDirectory
= 0;
855 attr
.ObjectName
= &nameW
;
857 attr
.SecurityDescriptor
= NULL
;
858 attr
.SecurityQualityOfService
= NULL
;
861 RtlInitUnicodeString( &nameW
, keyW
);
862 if (!NtOpenKey( &hkey
, KEY_READ
, &attr
))
864 RtlInitUnicodeString( &nameW
, valueW
);
865 if (!NtQueryValueKey( hkey
, &nameW
, KeyValuePartialInformation
, buffer
, size
, &size
) &&
866 info
->Type
== REG_DWORD
&& info
->DataLength
== sizeof(DWORD
))
867 safe_mode
= !!*(DWORD
*)info
->Data
;
870 if (!safe_mode
) TRACE( "SafeDllSearchMode disabled through the registry\n" );
875 /******************************************************************
876 * get_module_path_end
878 * Returns the end of the directory component of the module path.
880 static inline const WCHAR
*get_module_path_end(const WCHAR
*module
)
883 const WCHAR
*mod_end
= module
;
884 if (!module
) return mod_end
;
886 if ((p
= strrchrW( mod_end
, '\\' ))) mod_end
= p
;
887 if ((p
= strrchrW( mod_end
, '/' ))) mod_end
= p
;
888 if (mod_end
== module
+ 2 && module
[1] == ':') mod_end
++;
889 if (mod_end
== module
&& module
[0] && module
[1] == ':') mod_end
+= 2;
895 /******************************************************************
898 * Append a counted string to the load path. Helper for MODULE_get_dll_load_path.
900 static inline WCHAR
*append_path_len( WCHAR
*p
, const WCHAR
*str
, DWORD len
)
903 memcpy( p
, str
, len
* sizeof(WCHAR
) );
909 /******************************************************************
912 * Append a string to the load path. Helper for MODULE_get_dll_load_path.
914 static inline WCHAR
*append_path( WCHAR
*p
, const WCHAR
*str
)
916 return append_path_len( p
, str
, strlenW(str
) );
920 /******************************************************************
921 * MODULE_get_dll_load_path
923 * Compute the load path to use for a given dll.
924 * Returned pointer must be freed by caller.
926 WCHAR
*MODULE_get_dll_load_path( LPCWSTR module
, int safe_mode
)
928 static const WCHAR pathW
[] = {'P','A','T','H',0};
929 static const WCHAR dotW
[] = {'.',0};
931 const WCHAR
*system_path
= get_dll_system_path();
932 const WCHAR
*mod_end
= NULL
;
933 UNICODE_STRING name
, value
;
935 int len
= 0, path_len
= 0;
937 /* adjust length for module name */
940 mod_end
= get_module_path_end( module
);
941 /* if module is NULL or doesn't contain a path, fall back to directory
942 * process was loaded from */
943 if (module
== mod_end
)
945 module
= NtCurrentTeb()->Peb
->ProcessParameters
->ImagePathName
.Buffer
;
946 mod_end
= get_module_path_end( module
);
948 len
+= (mod_end
- module
) + 1;
950 len
+= strlenW( system_path
) + 2;
952 /* get the PATH variable */
954 RtlInitUnicodeString( &name
, pathW
);
956 value
.MaximumLength
= 0;
958 if (RtlQueryEnvironmentVariable_U( NULL
, &name
, &value
) == STATUS_BUFFER_TOO_SMALL
)
959 path_len
= value
.Length
;
961 RtlEnterCriticalSection( &dlldir_section
);
962 if (safe_mode
== -1) safe_mode
= get_dll_safe_mode();
963 if (dll_directory
) len
+= strlenW(dll_directory
) + 1;
964 else len
+= 2; /* current directory */
965 if ((p
= ret
= HeapAlloc( GetProcessHeap(), 0, path_len
+ len
* sizeof(WCHAR
) )))
967 if (module
) p
= append_path_len( p
, module
, mod_end
- module
);
969 if (dll_directory
) p
= append_path( p
, dll_directory
);
970 else if (!safe_mode
) p
= append_path( p
, dotW
);
972 p
= append_path( p
, system_path
);
974 if (!dll_directory
&& safe_mode
) p
= append_path( p
, dotW
);
976 RtlLeaveCriticalSection( &dlldir_section
);
977 if (!ret
) return NULL
;
980 value
.MaximumLength
= path_len
;
982 while (RtlQueryEnvironmentVariable_U( NULL
, &name
, &value
) == STATUS_BUFFER_TOO_SMALL
)
986 /* grow the buffer and retry */
987 path_len
= value
.Length
;
988 if (!(new_ptr
= HeapReAlloc( GetProcessHeap(), 0, ret
, path_len
+ len
* sizeof(WCHAR
) )))
990 HeapFree( GetProcessHeap(), 0, ret
);
993 value
.Buffer
= new_ptr
+ (value
.Buffer
- ret
);
994 value
.MaximumLength
= path_len
;
997 value
.Buffer
[value
.Length
/ sizeof(WCHAR
)] = 0;
1002 /******************************************************************
1003 * get_dll_load_path_search_flags
1005 static WCHAR
*get_dll_load_path_search_flags( LPCWSTR module
, DWORD flags
)
1007 const WCHAR
*image
= NULL
, *mod_end
, *image_end
;
1008 struct dll_dir_entry
*dir
;
1012 if (flags
& LOAD_LIBRARY_SEARCH_DEFAULT_DIRS
)
1013 flags
|= (LOAD_LIBRARY_SEARCH_APPLICATION_DIR
|
1014 LOAD_LIBRARY_SEARCH_USER_DIRS
|
1015 LOAD_LIBRARY_SEARCH_SYSTEM32
);
1017 if (flags
& LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR
)
1019 DWORD type
= RtlDetermineDosPathNameType_U( module
);
1020 if (type
!= ABSOLUTE_DRIVE_PATH
&& type
!= ABSOLUTE_PATH
)
1022 SetLastError( ERROR_INVALID_PARAMETER
);
1025 mod_end
= get_module_path_end( module
);
1026 len
+= (mod_end
- module
) + 1;
1030 RtlEnterCriticalSection( &dlldir_section
);
1032 if (flags
& LOAD_LIBRARY_SEARCH_APPLICATION_DIR
)
1034 image
= NtCurrentTeb()->Peb
->ProcessParameters
->ImagePathName
.Buffer
;
1035 image_end
= get_module_path_end( image
);
1036 len
+= (image_end
- image
) + 1;
1039 if (flags
& LOAD_LIBRARY_SEARCH_USER_DIRS
)
1041 LIST_FOR_EACH_ENTRY( dir
, &dll_dir_list
, struct dll_dir_entry
, entry
)
1042 len
+= strlenW( dir
->dir
) + 1;
1043 if (dll_directory
) len
+= strlenW(dll_directory
) + 1;
1046 if (flags
& LOAD_LIBRARY_SEARCH_SYSTEM32
) len
+= GetSystemDirectoryW( NULL
, 0 );
1048 if ((p
= ret
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) )))
1050 if (module
) p
= append_path_len( p
, module
, mod_end
- module
);
1051 if (image
) p
= append_path_len( p
, image
, image_end
- image
);
1052 if (flags
& LOAD_LIBRARY_SEARCH_USER_DIRS
)
1054 LIST_FOR_EACH_ENTRY( dir
, &dll_dir_list
, struct dll_dir_entry
, entry
)
1055 p
= append_path( p
, dir
->dir
);
1056 if (dll_directory
) p
= append_path( p
, dll_directory
);
1058 if (flags
& LOAD_LIBRARY_SEARCH_SYSTEM32
) GetSystemDirectoryW( p
, ret
+ len
- p
);
1066 RtlLeaveCriticalSection( &dlldir_section
);
1071 /******************************************************************
1072 * load_library_as_datafile
1074 static BOOL
load_library_as_datafile( LPCWSTR name
, HMODULE
*hmod
, DWORD flags
)
1076 static const WCHAR dotDLL
[] = {'.','d','l','l',0};
1078 WCHAR filenameW
[MAX_PATH
];
1079 HANDLE hFile
= INVALID_HANDLE_VALUE
;
1082 DWORD sharing
= FILE_SHARE_READ
;
1086 if (!(flags
& LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE
)) sharing
|= FILE_SHARE_WRITE
;
1088 if (SearchPathW( NULL
, name
, dotDLL
, sizeof(filenameW
) / sizeof(filenameW
[0]),
1091 hFile
= CreateFileW( filenameW
, GENERIC_READ
, sharing
, NULL
, OPEN_EXISTING
, 0, 0 );
1093 if (hFile
== INVALID_HANDLE_VALUE
) return FALSE
;
1095 mapping
= CreateFileMappingW( hFile
, NULL
, PAGE_READONLY
, 0, 0, NULL
);
1096 CloseHandle( hFile
);
1097 if (!mapping
) return FALSE
;
1099 module
= MapViewOfFile( mapping
, FILE_MAP_READ
, 0, 0, 0 );
1100 CloseHandle( mapping
);
1101 if (!module
) return FALSE
;
1103 /* make sure it's a valid PE file */
1104 if (!RtlImageNtHeader(module
))
1106 UnmapViewOfFile( module
);
1109 *hmod
= (HMODULE
)((char *)module
+ 1); /* set low bit of handle to indicate datafile module */
1114 /******************************************************************
1117 * Helper for LoadLibraryExA/W.
1119 static HMODULE
load_library( const UNICODE_STRING
*libname
, DWORD flags
)
1124 const DWORD load_library_search_flags
= (LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR
|
1125 LOAD_LIBRARY_SEARCH_APPLICATION_DIR
|
1126 LOAD_LIBRARY_SEARCH_USER_DIRS
|
1127 LOAD_LIBRARY_SEARCH_SYSTEM32
|
1128 LOAD_LIBRARY_SEARCH_DEFAULT_DIRS
);
1129 const DWORD unsupported_flags
= (LOAD_IGNORE_CODE_AUTHZ_LEVEL
|
1130 LOAD_LIBRARY_AS_IMAGE_RESOURCE
|
1131 LOAD_LIBRARY_REQUIRE_SIGNED_TARGET
);
1133 if (!(flags
& load_library_search_flags
)) flags
|= default_search_flags
;
1135 if( flags
& unsupported_flags
)
1136 FIXME("unsupported flag(s) used (flags: 0x%08x)\n", flags
);
1138 if (flags
& load_library_search_flags
)
1139 load_path
= get_dll_load_path_search_flags( libname
->Buffer
, flags
);
1141 load_path
= MODULE_get_dll_load_path( flags
& LOAD_WITH_ALTERED_SEARCH_PATH
? libname
->Buffer
: NULL
, -1 );
1142 if (!load_path
) return 0;
1144 if (flags
& (LOAD_LIBRARY_AS_DATAFILE
| LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE
))
1148 LdrLockLoaderLock( 0, NULL
, &magic
);
1149 if (!LdrGetDllHandle( load_path
, flags
, libname
, &hModule
))
1151 LdrAddRefDll( 0, hModule
);
1152 LdrUnlockLoaderLock( 0, magic
);
1155 LdrUnlockLoaderLock( 0, magic
);
1157 /* The method in load_library_as_datafile allows searching for the
1158 * 'native' libraries only
1160 if (load_library_as_datafile( libname
->Buffer
, &hModule
, flags
)) goto done
;
1161 flags
|= DONT_RESOLVE_DLL_REFERENCES
; /* Just in case */
1162 /* Fallback to normal behaviour */
1165 nts
= LdrLoadDll( load_path
, flags
, libname
, &hModule
);
1166 if (nts
!= STATUS_SUCCESS
)
1169 if (nts
== STATUS_DLL_NOT_FOUND
&& (GetVersion() & 0x80000000))
1170 SetLastError( ERROR_DLL_NOT_FOUND
);
1172 SetLastError( RtlNtStatusToDosError( nts
) );
1175 HeapFree( GetProcessHeap(), 0, load_path
);
1180 /******************************************************************
1181 * LoadLibraryExA (KERNEL32.@)
1183 * Load a dll file into the process address space.
1186 * libname [I] Name of the file to load
1187 * hfile [I] Reserved, must be 0.
1188 * flags [I] Flags for loading the dll
1191 * Success: A handle to the loaded dll.
1192 * Failure: A NULL handle. Use GetLastError() to determine the cause.
1195 * The HFILE parameter is not used and marked reserved in the SDK. I can
1196 * only guess that it should force a file to be mapped, but I rather
1197 * ignore the parameter because it would be extremely difficult to
1198 * integrate this with different types of module representations.
1200 HMODULE WINAPI DECLSPEC_HOTPATCH
LoadLibraryExA(LPCSTR libname
, HANDLE hfile
, DWORD flags
)
1204 if (!(libnameW
= FILE_name_AtoW( libname
, FALSE
))) return 0;
1205 return LoadLibraryExW( libnameW
, hfile
, flags
);
1208 /***********************************************************************
1209 * LoadLibraryExW (KERNEL32.@)
1211 * Unicode version of LoadLibraryExA.
1213 HMODULE WINAPI DECLSPEC_HOTPATCH
LoadLibraryExW(LPCWSTR libnameW
, HANDLE hfile
, DWORD flags
)
1215 UNICODE_STRING wstr
;
1220 SetLastError(ERROR_INVALID_PARAMETER
);
1223 RtlInitUnicodeString( &wstr
, libnameW
);
1224 if (wstr
.Buffer
[wstr
.Length
/sizeof(WCHAR
) - 1] != ' ')
1225 return load_library( &wstr
, flags
);
1227 /* Library name has trailing spaces */
1228 RtlCreateUnicodeString( &wstr
, libnameW
);
1229 while (wstr
.Length
> sizeof(WCHAR
) &&
1230 wstr
.Buffer
[wstr
.Length
/sizeof(WCHAR
) - 1] == ' ')
1232 wstr
.Length
-= sizeof(WCHAR
);
1234 wstr
.Buffer
[wstr
.Length
/sizeof(WCHAR
)] = '\0';
1235 res
= load_library( &wstr
, flags
);
1236 RtlFreeUnicodeString( &wstr
);
1240 /***********************************************************************
1241 * LoadLibraryA (KERNEL32.@)
1243 * Load a dll file into the process address space.
1246 * libname [I] Name of the file to load
1249 * Success: A handle to the loaded dll.
1250 * Failure: A NULL handle. Use GetLastError() to determine the cause.
1253 * See LoadLibraryExA().
1255 HMODULE WINAPI DECLSPEC_HOTPATCH
LoadLibraryA(LPCSTR libname
)
1257 return LoadLibraryExA(libname
, 0, 0);
1260 /***********************************************************************
1261 * LoadLibraryW (KERNEL32.@)
1263 * Unicode version of LoadLibraryA.
1265 HMODULE WINAPI DECLSPEC_HOTPATCH
LoadLibraryW(LPCWSTR libnameW
)
1267 return LoadLibraryExW(libnameW
, 0, 0);
1270 /***********************************************************************
1271 * FreeLibrary (KERNEL32.@)
1273 * Free a dll loaded into the process address space.
1276 * hLibModule [I] Handle to the dll returned by LoadLibraryA().
1279 * Success: TRUE. The dll is removed if it is not still in use.
1280 * Failure: FALSE. Use GetLastError() to determine the cause.
1282 BOOL WINAPI DECLSPEC_HOTPATCH
FreeLibrary(HINSTANCE hLibModule
)
1289 SetLastError( ERROR_INVALID_HANDLE
);
1293 if ((ULONG_PTR
)hLibModule
& 1)
1295 /* this is a LOAD_LIBRARY_AS_DATAFILE module */
1296 char *ptr
= (char *)hLibModule
- 1;
1297 return UnmapViewOfFile( ptr
);
1300 if ((nts
= LdrUnloadDll( hLibModule
)) == STATUS_SUCCESS
) retv
= TRUE
;
1301 else SetLastError( RtlNtStatusToDosError( nts
) );
1306 /***********************************************************************
1307 * GetProcAddress (KERNEL32.@)
1309 * Find the address of an exported symbol in a loaded dll.
1312 * hModule [I] Handle to the dll returned by LoadLibraryA().
1313 * function [I] Name of the symbol, or an integer ordinal number < 16384
1316 * Success: A pointer to the symbol in the process address space.
1317 * Failure: NULL. Use GetLastError() to determine the cause.
1319 FARPROC WINAPI
GetProcAddress( HMODULE hModule
, LPCSTR function
)
1324 if (!hModule
) hModule
= NtCurrentTeb()->Peb
->ImageBaseAddress
;
1326 if ((ULONG_PTR
)function
>> 16)
1330 RtlInitAnsiString( &str
, function
);
1331 nts
= LdrGetProcedureAddress( hModule
, &str
, 0, (void**)&fp
);
1334 nts
= LdrGetProcedureAddress( hModule
, NULL
, LOWORD(function
), (void**)&fp
);
1335 if (nts
!= STATUS_SUCCESS
)
1337 SetLastError( RtlNtStatusToDosError( nts
) );
1343 /***********************************************************************
1344 * DelayLoadFailureHook (KERNEL32.@)
1346 FARPROC WINAPI
DelayLoadFailureHook( LPCSTR name
, LPCSTR function
)
1350 if ((ULONG_PTR
)function
>> 16)
1351 ERR( "failed to delay load %s.%s\n", name
, function
);
1353 ERR( "failed to delay load %s.%u\n", name
, LOWORD(function
) );
1354 args
[0] = (ULONG_PTR
)name
;
1355 args
[1] = (ULONG_PTR
)function
;
1356 RaiseException( EXCEPTION_WINE_STUB
, EH_NONCONTINUABLE
, 2, args
);
1362 PLIST_ENTRY head
, current
;
1363 LDR_MODULE ldr_module
;
1366 static BOOL
init_module_iterator(MODULE_ITERATOR
*iter
, HANDLE process
)
1368 PROCESS_BASIC_INFORMATION pbi
;
1369 PPEB_LDR_DATA ldr_data
;
1372 /* Get address of PEB */
1373 status
= NtQueryInformationProcess(process
, ProcessBasicInformation
,
1374 &pbi
, sizeof(pbi
), NULL
);
1375 if (status
!= STATUS_SUCCESS
)
1377 SetLastError(RtlNtStatusToDosError(status
));
1381 /* Read address of LdrData from PEB */
1382 if (!ReadProcessMemory(process
, &pbi
.PebBaseAddress
->LdrData
,
1383 &ldr_data
, sizeof(ldr_data
), NULL
))
1386 /* Read address of first module from LdrData */
1387 if (!ReadProcessMemory(process
,
1388 &ldr_data
->InLoadOrderModuleList
.Flink
,
1389 &iter
->current
, sizeof(iter
->current
), NULL
))
1392 iter
->head
= &ldr_data
->InLoadOrderModuleList
;
1393 iter
->process
= process
;
1398 static int module_iterator_next(MODULE_ITERATOR
*iter
)
1400 if (iter
->current
== iter
->head
)
1403 if (!ReadProcessMemory(iter
->process
,
1404 CONTAINING_RECORD(iter
->current
, LDR_MODULE
, InLoadOrderModuleList
),
1405 &iter
->ldr_module
, sizeof(iter
->ldr_module
), NULL
))
1408 iter
->current
= iter
->ldr_module
.InLoadOrderModuleList
.Flink
;
1412 static BOOL
get_ldr_module(HANDLE process
, HMODULE module
, LDR_MODULE
*ldr_module
)
1414 MODULE_ITERATOR iter
;
1417 if (!init_module_iterator(&iter
, process
))
1420 while ((ret
= module_iterator_next(&iter
)) > 0)
1421 /* When hModule is NULL we return the process image - which will be
1422 * the first module since our iterator uses InLoadOrderModuleList */
1423 if (!module
|| module
== iter
.ldr_module
.BaseAddress
)
1425 *ldr_module
= iter
.ldr_module
;
1430 SetLastError(ERROR_INVALID_HANDLE
);
1435 /***********************************************************************
1436 * K32EnumProcessModules (KERNEL32.@)
1439 * Returned list is in load order.
1441 BOOL WINAPI
K32EnumProcessModules(HANDLE process
, HMODULE
*lphModule
,
1442 DWORD cb
, DWORD
*needed
)
1444 MODULE_ITERATOR iter
;
1447 if (!init_module_iterator(&iter
, process
))
1450 if ((cb
&& !lphModule
) || !needed
)
1452 SetLastError(ERROR_NOACCESS
);
1458 while ((ret
= module_iterator_next(&iter
)) > 0)
1460 if (cb
>= sizeof(HMODULE
))
1462 *lphModule
++ = iter
.ldr_module
.BaseAddress
;
1463 cb
-= sizeof(HMODULE
);
1465 *needed
+= sizeof(HMODULE
);
1471 /***********************************************************************
1472 * K32EnumProcessModulesEx (KERNEL32.@)
1475 * Returned list is in load order.
1477 BOOL WINAPI
K32EnumProcessModulesEx(HANDLE process
, HMODULE
*lphModule
,
1478 DWORD cb
, DWORD
*needed
, DWORD filter
)
1480 FIXME("(%p, %p, %d, %p, %d) semi-stub\n",
1481 process
, lphModule
, cb
, needed
, filter
);
1482 return K32EnumProcessModules(process
, lphModule
, cb
, needed
);
1485 /***********************************************************************
1486 * K32GetModuleBaseNameW (KERNEL32.@)
1488 DWORD WINAPI
K32GetModuleBaseNameW(HANDLE process
, HMODULE module
,
1489 LPWSTR base_name
, DWORD size
)
1491 LDR_MODULE ldr_module
;
1493 if (!get_ldr_module(process
, module
, &ldr_module
))
1496 size
= min(ldr_module
.BaseDllName
.Length
/ sizeof(WCHAR
), size
);
1497 if (!ReadProcessMemory(process
, ldr_module
.BaseDllName
.Buffer
,
1498 base_name
, size
* sizeof(WCHAR
), NULL
))
1501 base_name
[size
] = 0;
1505 /***********************************************************************
1506 * K32GetModuleBaseNameA (KERNEL32.@)
1508 DWORD WINAPI
K32GetModuleBaseNameA(HANDLE process
, HMODULE module
,
1509 LPSTR base_name
, DWORD size
)
1514 if(!base_name
|| !size
) {
1515 SetLastError(ERROR_INVALID_PARAMETER
);
1519 base_name_w
= HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR
) * size
);
1523 len
= K32GetModuleBaseNameW(process
, module
, base_name_w
, size
);
1524 TRACE("%d, %s\n", len
, debugstr_w(base_name_w
));
1527 ret
= WideCharToMultiByte(CP_ACP
, 0, base_name_w
, len
,
1528 base_name
, size
, NULL
, NULL
);
1529 if (ret
< size
) base_name
[ret
] = 0;
1531 HeapFree(GetProcessHeap(), 0, base_name_w
);
1535 /***********************************************************************
1536 * K32GetModuleFileNameExW (KERNEL32.@)
1538 DWORD WINAPI
K32GetModuleFileNameExW(HANDLE process
, HMODULE module
,
1539 LPWSTR file_name
, DWORD size
)
1541 LDR_MODULE ldr_module
;
1544 if (!size
) return 0;
1546 if(!get_ldr_module(process
, module
, &ldr_module
))
1549 len
= ldr_module
.FullDllName
.Length
/ sizeof(WCHAR
);
1550 if (!ReadProcessMemory(process
, ldr_module
.FullDllName
.Buffer
,
1551 file_name
, min( len
, size
) * sizeof(WCHAR
), NULL
))
1561 file_name
[size
- 1] = 0;
1566 /***********************************************************************
1567 * K32GetModuleFileNameExA (KERNEL32.@)
1569 DWORD WINAPI
K32GetModuleFileNameExA(HANDLE process
, HMODULE module
,
1570 LPSTR file_name
, DWORD size
)
1575 TRACE("(hProcess=%p, hModule=%p, %p, %d)\n", process
, module
, file_name
, size
);
1577 if (!file_name
|| !size
)
1579 SetLastError( ERROR_INVALID_PARAMETER
);
1583 if ( process
== GetCurrentProcess() )
1585 len
= GetModuleFileNameA( module
, file_name
, size
);
1586 if (size
) file_name
[size
- 1] = '\0';
1590 if (!(ptr
= HeapAlloc(GetProcessHeap(), 0, size
* sizeof(WCHAR
)))) return 0;
1592 len
= K32GetModuleFileNameExW(process
, module
, ptr
, size
);
1595 file_name
[0] = '\0';
1599 if (!WideCharToMultiByte( CP_ACP
, 0, ptr
, -1, file_name
, size
, NULL
, NULL
))
1601 file_name
[size
- 1] = 0;
1604 else if (len
< size
) len
= strlen( file_name
);
1607 HeapFree(GetProcessHeap(), 0, ptr
);
1611 /***********************************************************************
1612 * K32GetModuleInformation (KERNEL32.@)
1614 BOOL WINAPI
K32GetModuleInformation(HANDLE process
, HMODULE module
,
1615 MODULEINFO
*modinfo
, DWORD cb
)
1617 LDR_MODULE ldr_module
;
1619 if (cb
< sizeof(MODULEINFO
))
1621 SetLastError(ERROR_INSUFFICIENT_BUFFER
);
1625 if (!get_ldr_module(process
, module
, &ldr_module
))
1628 modinfo
->lpBaseOfDll
= ldr_module
.BaseAddress
;
1629 modinfo
->SizeOfImage
= ldr_module
.SizeOfImage
;
1630 modinfo
->EntryPoint
= ldr_module
.EntryPoint
;
1636 /***********************************************************************
1637 * __wine_dll_register_16 (KERNEL32.@)
1641 void __wine_dll_register_16( const IMAGE_DOS_HEADER
*header
, const char *file_name
)
1643 ERR( "loading old style 16-bit dll %s no longer supported\n", file_name
);
1647 /***********************************************************************
1648 * __wine_dll_unregister_16 (KERNEL32.@)
1652 void __wine_dll_unregister_16( const IMAGE_DOS_HEADER
*header
)