MagickCore 6.9.13-47
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nt-base.c
1/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3% %
4% %
5% %
6% N N TTTTT %
7% NN N T %
8% N N N T %
9% N NN T %
10% N N T %
11% %
12% %
13% Windows NT Utility Methods for MagickCore %
14% %
15% Software Design %
16% Cristy %
17% December 1996 %
18% %
19% %
20% Copyright 1999 ImageMagick Studio LLC, a non-profit organization %
21% dedicated to making software imaging solutions freely available. %
22% %
23% You may not use this file except in compliance with the License. You may %
24% obtain a copy of the License at %
25% %
26% https://imagemagick.org/license/ %
27% %
28% Unless required by applicable law or agreed to in writing, software %
29% distributed under the License is distributed on an "AS IS" BASIS, %
30% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31% See the License for the specific language governing permissions and %
32% limitations under the License. %
33% %
34%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35%
36%
37*/
38/*
39 Include declarations.
40*/
41#include "magick/studio.h"
42#if defined(MAGICKCORE_WINDOWS_SUPPORT)
43#include "magick/client.h"
44#include "magick/exception-private.h"
45#include "magick/image-private.h"
46#include "magick/locale_.h"
47#include "magick/log.h"
48#include "magick/magick.h"
49#include "magick/memory_.h"
50#include "magick/memory-private.h"
51#include "magick/nt-base.h"
52#include "magick/nt-base-private.h"
53#include "magick/resource_.h"
54#include "magick/timer.h"
55#include "magick/string_.h"
56#include "magick/string-private.h"
57#include "magick/utility.h"
58#include "magick/utility-private.h"
59#include "magick/version.h"
60#if defined(MAGICKCORE_LTDL_DELEGATE)
61# include "ltdl.h"
62#endif
63#if defined(MAGICKCORE_CIPHER_SUPPORT)
64#include <ntsecapi.h>
65#include <wincrypt.h>
66#endif
67␌
68/*
69 Define declarations.
70*/
71#if !defined(MAP_FAILED)
72#define MAP_FAILED ((void *)(LONG_PTR) -1)
73#endif
74#define MaxWideByteExtent 100
75
76/*
77 Typdef declarations.
78*/
79
80/*
81 We need to make sure only one instance is created for each process and that
82 is why we wrap the new/delete instance methods.
83
84 From: http://www.ghostscript.com/doc/current/API.htm
85 "The Win32 DLL gsdll32.dll can be used by multiple programs simultaneously,
86 but only once within each process"
87*/
88typedef struct _NTGhostInfo
89{
90 void
91 (MagickDLLCall *delete_instance)(gs_main_instance *);
92
93 int
94 (MagickDLLCall *new_instance)(gs_main_instance **, void *);
95
96 MagickBooleanType
97 has_instance;
98} NTGhostInfo;
99␌
100/*
101 Static declarations.
102*/
103#if !defined(MAGICKCORE_LTDL_DELEGATE)
104static char
105 *lt_slsearchpath = (char *) NULL;
106#endif
107
108static NTGhostInfo
109 nt_ghost_info;
110
111static GhostInfo
112 ghost_info;
113
114static void
115 *ghost_handle = (void *) NULL;
116
117static SemaphoreInfo
118 *ghost_semaphore = (SemaphoreInfo *) NULL,
119 *winsock_semaphore = (SemaphoreInfo *) NULL;
120
121static WSADATA
122 *wsaData = (WSADATA*) NULL;
123
124static size_t
125 long_paths_enabled = 2;
126␌
127struct
128{
129 const HKEY
130 hkey;
131
132 const char
133 *name;
134}
135const registry_roots[2] =
136{
137 { HKEY_CURRENT_USER, "HKEY_CURRENT_USER" },
138 { HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE" }
139};
140
141/*
142 External declarations.
143*/
144#if !defined(MAGICKCORE_WINDOWS_SUPPORT)
145extern "C" BOOL WINAPI
146 DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved);
147#endif
148
149static void MagickDLLCall NTGhostscriptDeleteInstance(
150 gs_main_instance *instance)
151{
152 LockSemaphoreInfo(ghost_semaphore);
153 nt_ghost_info.delete_instance(instance);
154 nt_ghost_info.has_instance=MagickFalse;
155 UnlockSemaphoreInfo(ghost_semaphore);
156}
157
158static int MagickDLLCall NTGhostscriptNewInstance(gs_main_instance **pinstance,
159 void *caller_handle)
160{
161 int
162 status;
163
164 LockSemaphoreInfo(ghost_semaphore);
165 status=-1;
166 if (nt_ghost_info.has_instance == MagickFalse)
167 {
168 status=nt_ghost_info.new_instance(pinstance,caller_handle);
169 if (status >= 0)
170 nt_ghost_info.has_instance=MagickTrue;
171 }
172 UnlockSemaphoreInfo(ghost_semaphore);
173 return(status);
174}
175
176static inline char *create_utf8_string(const wchar_t *wideChar)
177{
178 char
179 *utf8;
180
181 int
182 count;
183
184 count=WideCharToMultiByte(CP_UTF8,0,wideChar,-1,NULL,0,NULL,NULL);
185 if (count < 0)
186 return((char *) NULL);
187 utf8=(char *) NTAcquireQuantumMemory(count+1,sizeof(*utf8));
188 if (utf8 == (char *) NULL)
189 return((char *) NULL);
190 count=WideCharToMultiByte(CP_UTF8,0,wideChar,-1,utf8,count,NULL,NULL);
191 if (count == 0)
192 {
193 utf8=DestroyString(utf8);
194 return((char *) NULL);
195 }
196 utf8[count]=0;
197 return(utf8);
198}
199
200static unsigned char *NTGetRegistryValue(HKEY root,const char *key,DWORD flags,
201 const char *name)
202{
203 unsigned char
204 *value;
205
206 HKEY
207 registry_key;
208
209 DWORD
210 size,
211 type;
212
213 LSTATUS
214 status;
215
216 wchar_t
217 wide_name[MaxWideByteExtent];
218
219 value=(unsigned char *) NULL;
220 status=RegOpenKeyExA(root,key,0,(KEY_READ | flags),&registry_key);
221 if (status != ERROR_SUCCESS)
222 return(value);
223 if (MultiByteToWideChar(CP_UTF8,0,name,-1,wide_name,MaxWideByteExtent) == 0)
224 {
225 RegCloseKey(registry_key);
226 return(value);
227 }
228 status=RegQueryValueExW(registry_key,wide_name,0,&type,0,&size);
229 if ((status == ERROR_SUCCESS) && (type == REG_SZ))
230 {
231 LPBYTE
232 wide;
233
234 wide=(LPBYTE) NTAcquireQuantumMemory((const size_t) size,sizeof(*wide));
235 if (wide != (LPBYTE) NULL)
236 {
237 status=RegQueryValueExW(registry_key,wide_name,0,&type,wide,&size);
238 if ((status == ERROR_SUCCESS) && (type == REG_SZ))
239 value=(unsigned char *) create_utf8_string((const wchar_t *) wide);
240 wide=(LPBYTE) RelinquishMagickMemory(wide);
241 }
242 }
243 RegCloseKey(registry_key);
244 return(value);
245}
246␌
247/*
248%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
249% %
250% %
251% %
252% D l l M a i n %
253% %
254% %
255% %
256%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
257%
258% DllMain() is an entry point to the DLL which is called when processes and
259% threads are initialized and terminated, or upon calls to the Windows
260% LoadLibrary and FreeLibrary functions.
261%
262% The function returns TRUE of it succeeds, or FALSE if initialization fails.
263%
264% The format of the DllMain method is:
265%
266% BOOL WINAPI DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved)
267%
268% A description of each parameter follows:
269%
270% o handle: handle to the DLL module
271%
272% o reason: reason for calling function:
273%
274% DLL_PROCESS_ATTACH - DLL is being loaded into virtual address
275% space of current process.
276% DLL_THREAD_ATTACH - Indicates that the current process is
277% creating a new thread. Called under the
278% context of the new thread.
279% DLL_THREAD_DETACH - Indicates that the thread is exiting.
280% Called under the context of the exiting
281% thread.
282% DLL_PROCESS_DETACH - Indicates that the DLL is being unloaded
283% from the virtual address space of the
284% current process.
285%
286% o lpvReserved: Used for passing additional info during DLL_PROCESS_ATTACH
287% and DLL_PROCESS_DETACH.
288%
289*/
290#if defined(_DLL) && defined(ProvideDllMain)
291BOOL WINAPI DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved)
292{
293 magick_unreferenced(lpvReserved);
294
295 switch (reason)
296 {
297 case DLL_PROCESS_ATTACH:
298 {
299 char
300 *module_path;
301
302 ssize_t
303 count;
304
305 wchar_t
306 *wide_path;
307
308 MagickCoreGenesis((const char*) NULL,MagickFalse);
309 wide_path=(wchar_t *) NTAcquireQuantumMemory(MaxTextExtent,
310 sizeof(*wide_path));
311 if (wide_path == (wchar_t *) NULL)
312 return(FALSE);
313 count=(ssize_t) GetModuleFileNameW(handle,wide_path,MaxTextExtent);
314 if (count != 0)
315 {
316 char
317 *path;
318
319 module_path=create_utf8_string(wide_path);
320 for ( ; count > 0; count--)
321 if (module_path[count] == '\\')
322 {
323 module_path[count+1]='\0';
324 break;
325 }
326 path=(char *) NTAcquireQuantumMemory(MaxTextExtent,16*sizeof(*path));
327 if (path == (char *) NULL)
328 {
329 module_path=DestroyString(module_path);
330 wide_path=(wchar_t *) RelinquishMagickMemory(wide_path);
331 return(FALSE);
332 }
333 count=(ssize_t) GetEnvironmentVariable("PATH",path,16*MaxTextExtent);
334 if ((count != 0) && (strstr(path,module_path) == (char *) NULL))
335 {
336 if ((strlen(module_path)+count+1) < (16*MaxTextExtent-1))
337 {
338 char
339 *variable;
340
341 variable=(char *) NTAcquireQuantumMemory(MaxTextExtent,
342 16*sizeof(*variable));
343 if (variable == (char *) NULL)
344 {
345 path=DestroyString(path);
346 module_path=DestroyString(module_path);
347 wide_path=(wchar_t *) RelinquishMagickMemory(wide_path);
348 return(FALSE);
349 }
350 (void) FormatLocaleString(variable,16*MaxTextExtent,
351 "%s;%s",module_path,path);
352 SetEnvironmentVariable("PATH",variable);
353 variable=DestroyString(variable);
354 }
355 }
356 path=DestroyString(path);
357 module_path=DestroyString(module_path);
358 }
359 wide_path=(wchar_t *) RelinquishMagickMemory(wide_path);
360 break;
361 }
362 case DLL_PROCESS_DETACH:
363 {
364 MagickCoreTerminus();
365 break;
366 }
367 default:
368 break;
369 }
370 return(TRUE);
371}
372#endif
373␌
374#if !defined(__MINGW32__)
375/*
376%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
377% %
378% %
379% %
380% g e t t i m e o f d a y %
381% %
382% %
383% %
384%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
385%
386% The gettimeofday() method get the time of day.
387%
388% The format of the gettimeofday method is:
389%
390% int gettimeofday(struct timeval *time_value,struct timezone *time_zone)
391%
392% A description of each parameter follows:
393%
394% o time_value: the time value.
395%
396% o time_zone: the time zone.
397%
398*/
399MagickPrivate int gettimeofday (struct timeval *time_value,
400 struct timezone *time_zone)
401{
402#define EpochFiletime MagickLLConstant(116444736000000000)
403
404 static int
405 is_tz_set;
406
407 if (time_value != (struct timeval *) NULL)
408 {
409 FILETIME
410 file_time;
411
412 __int64
413 time;
414
415 LARGE_INTEGER
416 date_time;
417
418 GetSystemTimeAsFileTime(&file_time);
419 date_time.LowPart=file_time.dwLowDateTime;
420 date_time.HighPart=file_time.dwHighDateTime;
421 time=date_time.QuadPart;
422 time-=EpochFiletime;
423 time/=10;
424 time_value->tv_sec=(ssize_t) (time / 1000000);
425 time_value->tv_usec=(ssize_t) (time % 1000000);
426 }
427 if (time_zone != (struct timezone *) NULL)
428 {
429 if (is_tz_set == 0)
430 {
431 _tzset();
432 is_tz_set++;
433 }
434 time_zone->tz_minuteswest=_timezone/60;
435 time_zone->tz_dsttime=_daylight;
436 }
437 return(0);
438}
439#endif
440␌
441/*
442%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
443% %
444% %
445% %
446% N T A c c e s s W i d e %
447% %
448% %
449% %
450%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
451%
452% NTAccessWide() checks the file accessibility of a wide-character path.
453#
454# The format of the NTAccessWide method is:
455%
456% int NTAccessWide(const char *path, int mode)
457%
458% A description of each parameter follows:
459%
460% o path: the file path.
461%
462% o mode: the accessibility mode.
463%
464*/
465MagickExport int NTAccessWide(const char *path, int mode)
466{
467 int
468 status;
469
470 wchar_t
471 *path_wide;
472
473 path_wide=NTCreateWidePath(path);
474 if (path_wide == (wchar_t *) NULL)
475 return(-1);
476 status=_waccess(path_wide,mode);
477 path_wide=(wchar_t *) RelinquishMagickMemory(path_wide);
478 return(status);
479}
480␌
481/*
482%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
483% %
484% %
485% %
486% N T A r g v T o U T F 8 %
487% %
488% %
489% %
490%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
491%
492% NTArgvToUTF8() converts the wide command line arguments to UTF-8 to ensure
493% compatibility with Linux.
494%
495% The format of the NTArgvToUTF8 method is:
496%
497% char **NTArgvToUTF8(const int argc,wchar_t **argv)
498%
499% A description of each parameter follows:
500%
501% o argc: the number of command line arguments.
502%
503% o argv: the wide-character command line arguments.
504%
505*/
506MagickPrivate char **NTArgvToUTF8(const int argc,wchar_t **argv)
507{
508 char
509 **utf8;
510
511 ssize_t
512 i;
513
514 utf8=(char **) NTAcquireQuantumMemory(argc,sizeof(*utf8));
515 if (utf8 == (char **) NULL)
516 ThrowFatalException(ResourceLimitFatalError,"UnableToConvertStringToARGV");
517 for (i=0; i < (ssize_t) argc; i++)
518 {
519 utf8[i]=create_utf8_string(argv[i]);
520 if (utf8[i] == (char *) NULL)
521 {
522 for (i--; i >= 0; i--)
523 utf8[i]=DestroyString(utf8[i]);
524 ThrowFatalException(ResourceLimitFatalError,
525 "UnableToConvertStringToARGV");
526 }
527 }
528 return(utf8);
529}
530␌
531/*
532%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
533% %
534% %
535% %
536% N T C l o s e D i r e c t o r y %
537% %
538% %
539% %
540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
541%
542% NTCloseDirectory() closes the named directory stream and frees the DIR
543% structure.
544%
545% The format of the NTCloseDirectory method is:
546%
547% int NTCloseDirectory(DIR *entry)
548%
549% A description of each parameter follows:
550%
551% o entry: Specifies a pointer to a DIR structure.
552%
553*/
554MagickPrivate int NTCloseDirectory(DIR *entry)
555{
556 assert(entry != (DIR *) NULL);
557 if (IsEventLogging() != MagickFalse)
558 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
559 FindClose(entry->hSearch);
560 entry=(DIR *) RelinquishMagickMemory(entry);
561 return(0);
562}
563␌
564/*
565%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
566% %
567% %
568% %
569% N T C l o s e L i b r a r y %
570% %
571% %
572% %
573%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
574%
575% NTCloseLibrary() unloads the module associated with the passed handle.
576%
577% The format of the NTCloseLibrary method is:
578%
579% void NTCloseLibrary(void *handle)
580%
581% A description of each parameter follows:
582%
583% o handle: Specifies a handle to a previously loaded dynamic module.
584%
585*/
586MagickPrivate int NTCloseLibrary(void *handle)
587{
588 return(!(FreeLibrary((HINSTANCE) handle)));
589}
590␌
591/*
592%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
593% %
594% %
595% %
596% N T C r e a t e W i d e P a t h %
597% %
598% %
599% %
600%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
601%
602% NTCreateWidePath() returns the wide-character version of the specified
603% UTF-8 path.
604%
605% The format of the NTCreateWidePath method is:
606%
607% void NTCreateWidePath(void *handle)
608%
609% A description of each parameter follows:
610%
611% o utf8: Specifies a handle to a previously loaded dynamic module.
612%
613*/
614MagickExport wchar_t* NTCreateWidePath(const char *utf8)
615{
616 int
617 count;
618
619 wchar_t
620 *wide;
621
622 count=MultiByteToWideChar(CP_UTF8,0,utf8,-1,NULL,0);
623 if ((count > MAX_PATH) && (strncmp(utf8,"\\\\?\\",4) != 0) &&
624 (NTLongPathsEnabled() == MagickFalse))
625 {
626 char
627 buffer[MagickPathExtent];
628
629 wchar_t
630 shortPath[MAX_PATH],
631 *longPath;
632
633 size_t
634 length;
635
636 (void) FormatLocaleString(buffer,MagickPathExtent,"\\\\?\\%s",utf8);
637 count+=4;
638 longPath=(wchar_t *) NTAcquireQuantumMemory((size_t) count,
639 sizeof(*longPath));
640 if (longPath == (wchar_t *) NULL)
641 return((wchar_t *) NULL);
642 count=MultiByteToWideChar(CP_UTF8,0,buffer,-1,longPath,count);
643 if (count != 0)
644 count=(int) GetShortPathNameW(longPath,shortPath,MAX_PATH);
645 longPath=(wchar_t *) RelinquishMagickMemory(longPath);
646 if ((count < 5) || (count >= MAX_PATH))
647 return((wchar_t *) NULL);
648 length=(size_t) count-3;
649 wide=(wchar_t *) NTAcquireQuantumMemory(length,sizeof(*wide));
650 wcscpy_s(wide,length,shortPath+4);
651 return(wide);
652 }
653 wide=(wchar_t *) NTAcquireQuantumMemory((size_t) count,sizeof(*wide));
654 if ((wide != (wchar_t *) NULL) &&
655 (MultiByteToWideChar(CP_UTF8,0,utf8,-1,wide,count) == 0))
656 wide=(wchar_t *) RelinquishMagickMemory(wide);
657 return(wide);
658}
659␌
660/*
661%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
662% %
663% %
664% %
665% N T C o n t r o l H a n d l e r %
666% %
667% %
668% %
669%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
670%
671% NTControlHandler() registers a control handler that is activated when, for
672% example, a ctrl-c is received.
673%
674% The format of the NTControlHandler method is:
675%
676% int NTControlHandler(void)
677%
678*/
679
680static BOOL ControlHandler(DWORD type)
681{
682 (void) type;
683 AsynchronousResourceComponentTerminus();
684 return(FALSE);
685}
686
687MagickPrivate int NTControlHandler(void)
688{
689 return(SetConsoleCtrlHandler((PHANDLER_ROUTINE) ControlHandler,TRUE));
690}
691␌
692/*
693%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
694% %
695% %
696% %
697% N T E l a p s e d T i m e %
698% %
699% %
700% %
701%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
702%
703% NTElapsedTime() returns the elapsed time (in seconds) since the last call to
704% StartTimer().
705%
706% The format of the ElapsedTime method is:
707%
708% double NTElapsedTime(void)
709%
710*/
711MagickPrivate double NTElapsedTime(void)
712{
713 union
714 {
715 FILETIME
716 filetime;
717
718 __int64
719 filetime64;
720 } elapsed_time;
721
722 LARGE_INTEGER
723 performance_count;
724
725 static LARGE_INTEGER
726 frequency = { 0 };
727
728 SYSTEMTIME
729 system_time;
730
731 if (frequency.QuadPart == 0)
732 {
733 if (QueryPerformanceFrequency(&frequency) == 0)
734 frequency.QuadPart=1;
735 }
736 if (frequency.QuadPart > 1)
737 {
738 QueryPerformanceCounter(&performance_count);
739 return((double) performance_count.QuadPart/frequency.QuadPart);
740 }
741 GetSystemTime(&system_time);
742 SystemTimeToFileTime(&system_time,&elapsed_time.filetime);
743 return((double) 1.0e-7*elapsed_time.filetime64);
744}
745␌
746/*
747%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
748% %
749% %
750% %
751+ N T E r r o r H a n d l e r %
752% %
753% %
754% %
755%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
756%
757% NTErrorHandler() displays an error reason and then terminates the program.
758%
759% The format of the NTErrorHandler method is:
760%
761% void NTErrorHandler(const ExceptionType severity,const char *reason,
762% const char *description)
763%
764% A description of each parameter follows:
765%
766% o severity: Specifies the numeric error category.
767%
768% o reason: Specifies the reason to display before terminating the
769% program.
770%
771% o description: Specifies any description to the reason.
772%
773*/
774MagickPrivate void NTErrorHandler(const ExceptionType severity,
775 const char *reason,const char *description)
776{
777 char
778 buffer[3*MaxTextExtent],
779 *message;
780
781 (void) severity;
782 if (reason == (char *) NULL)
783 {
784 MagickCoreTerminus();
785 exit(0);
786 }
787 message=GetExceptionMessage(errno);
788 if ((description != (char *) NULL) && errno)
789 (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s) [%s].\n",
790 GetClientName(),reason,description,message);
791 else
792 if (description != (char *) NULL)
793 (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s).\n",
794 GetClientName(),reason,description);
795 else
796 if (errno != 0)
797 (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s [%s].\n",
798 GetClientName(),reason,message);
799 else
800 (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s.\n",
801 GetClientName(),reason);
802 message=DestroyString(message);
803 (void) MessageBox(NULL,buffer,"ImageMagick Exception",MB_OK | MB_TASKMODAL |
804 MB_SETFOREGROUND | MB_ICONEXCLAMATION);
805 MagickCoreTerminus();
806 exit(0);
807}
808␌
809/*
810%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
811% %
812% %
813% %
814% N T E x i t L i b r a r y %
815% %
816% %
817% %
818%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
819%
820% NTExitLibrary() exits the dynamic module loading subsystem.
821%
822% The format of the NTExitLibrary method is:
823%
824% int NTExitLibrary(void)
825%
826*/
827MagickPrivate int NTExitLibrary(void)
828{
829 return(0);
830}
831␌
832/*
833%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
834% %
835% %
836% %
837% N T G a t h e r R a n d o m D a t a %
838% %
839% %
840% %
841%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
842%
843% NTGatherRandomData() gathers random data and returns it.
844%
845% The format of the GatherRandomData method is:
846%
847% MagickBooleanType NTGatherRandomData(const size_t length,
848% unsigned char *random)
849%
850% A description of each parameter follows:
851%
852% length: the length of random data buffer
853%
854% random: the random data is returned here.
855%
856*/
857MagickPrivate MagickBooleanType NTGatherRandomData(const size_t length,
858 unsigned char *random)
859{
860#if defined(MAGICKCORE_CIPHER_SUPPORT) && defined(_MSC_VER) && (_MSC_VER > 1200)
861 HCRYPTPROV
862 handle;
863
864 int
865 status;
866
867 handle=(HCRYPTPROV) NULL;
868 status=CryptAcquireContext(&handle,NULL,MS_DEF_PROV,PROV_RSA_FULL,
869 (CRYPT_VERIFYCONTEXT | CRYPT_MACHINE_KEYSET));
870 if (status == 0)
871 status=CryptAcquireContext(&handle,NULL,MS_DEF_PROV,PROV_RSA_FULL,
872 (CRYPT_VERIFYCONTEXT | CRYPT_MACHINE_KEYSET | CRYPT_NEWKEYSET));
873 if (status == 0)
874 return(MagickFalse);
875 status=CryptGenRandom(handle,(DWORD) length,random);
876 if (status == 0)
877 {
878 status=CryptReleaseContext(handle,0);
879 return(MagickFalse);
880 }
881 status=CryptReleaseContext(handle,0);
882 if (status == 0)
883 return(MagickFalse);
884#else
885 (void) random;
886 (void) length;
887#endif
888 return(MagickTrue);
889}
890␌
891/*
892%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
893% %
894% %
895% %
896% N T G e t E n v i r o n m e n t V a l u e %
897% %
898% %
899% %
900%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
901%
902% NTGetEnvironmentValue() returns the environment string that matches the
903% specified name.
904%
905% The format of the NTGetEnvironmentValue method is:
906%
907% char *GetEnvironmentValue(const char *name)
908%
909% A description of each parameter follows:
910%
911% o name: the environment name.
912%
913*/
914extern MagickPrivate char *NTGetEnvironmentValue(const char *name)
915{
916 char
917 *environment = (char *) NULL;
918
919 DWORD
920 size;
921
922 LPWSTR
923 wide;
924
925 wchar_t
926 wide_name[MaxWideByteExtent];
927
928 if (MultiByteToWideChar(CP_UTF8,0,name,-1,wide_name,MaxWideByteExtent) == 0)
929 return(environment);
930 size=GetEnvironmentVariableW(wide_name,(LPWSTR) NULL,0);
931 if (size == 0)
932 return(environment);
933 wide=(LPWSTR) NTAcquireQuantumMemory((const size_t) size,sizeof(*wide));
934 if (wide == (LPWSTR) NULL)
935 return(environment);
936 if (GetEnvironmentVariableW(wide_name,wide,size) != 0)
937 environment=create_utf8_string(wide);
938 wide=(LPWSTR) RelinquishMagickMemory(wide);
939 return(environment);
940}
941␌
942/*
943%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
944% %
945% %
946% %
947% N T G e t E x e c u t i o n P a t h %
948% %
949% %
950% %
951%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
952%
953% NTGetExecutionPath() returns the execution path of a program.
954%
955% The format of the GetExecutionPath method is:
956%
957% MagickBooleanType NTGetExecutionPath(char *path,const size_t extent)
958%
959% A description of each parameter follows:
960%
961% o path: the pathname of the executable that started the process.
962%
963% o extent: the maximum extent of the path.
964%
965*/
966MagickPrivate MagickBooleanType NTGetExecutionPath(char *path,
967 const size_t extent)
968{
969 wchar_t
970 wide_path[MaxTextExtent];
971
972 (void) GetModuleFileNameW((HMODULE) NULL,wide_path,(DWORD) extent);
973 (void) WideCharToMultiByte(CP_UTF8,0,wide_path,-1,path,(int) extent,NULL,
974 NULL);
975 return(MagickTrue);
976}
977␌
978/*
979%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
980% %
981% %
982% %
983% N T G e t L a s t E r r o r M e s s a g e %
984% %
985% %
986% %
987%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
988%
989% NTGetLastErrorMessage() returns the last error that occurred.
990%
991% The format of the NTGetLastErrorMessage method is:
992%
993% char *NTGetLastErrorMessage(DWORD last_error)
994%
995% A description of each parameter follows:
996%
997% o last_error: The value of GetLastError.
998%
999*/
1000static char *NTGetLastErrorMessage(DWORD last_error)
1001{
1002 char
1003 *reason;
1004
1005 int
1006 status;
1007
1008 LPVOID
1009 buffer = (LPVOID) NULL;
1010
1011 status=FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1012 FORMAT_MESSAGE_FROM_SYSTEM,NULL,last_error,
1013 MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR) &buffer,0,NULL);
1014 if (!status)
1015 reason=AcquireString("An unknown error occurred");
1016 else
1017 {
1018 reason=AcquireString((const char *) buffer);
1019 LocalFree(buffer);
1020 }
1021 return(reason);
1022}
1023␌
1024/*
1025%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1026% %
1027% %
1028% %
1029% N T G e t L i b r a r y E r r o r %
1030% %
1031% %
1032% %
1033%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1034%
1035% Lt_dlerror() returns a pointer to a string describing the last error
1036% associated with a lt_dl method. Note that this function is not thread
1037% safe so it should only be used under the protection of a lock.
1038%
1039% The format of the NTGetLibraryError method is:
1040%
1041% const char *NTGetLibraryError(void)
1042%
1043*/
1044MagickPrivate const char *NTGetLibraryError(void)
1045{
1046 static char
1047 last_error[MaxTextExtent];
1048
1049 char
1050 *error;
1051
1052 *last_error='\0';
1053 error=NTGetLastErrorMessage(GetLastError());
1054 if (error)
1055 (void) CopyMagickString(last_error,error,MaxTextExtent);
1056 error=DestroyString(error);
1057 return(last_error);
1058}
1059␌
1060/*
1061%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1062% %
1063% %
1064% %
1065% N T G e t L i b r a r y S y m b o l %
1066% %
1067% %
1068% %
1069%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1070%
1071% NTGetLibrarySymbol() retrieve the procedure address of the method
1072% specified by the passed character string.
1073%
1074% The format of the NTGetLibrarySymbol method is:
1075%
1076% void *NTGetLibrarySymbol(void *handle,const char *name)
1077%
1078% A description of each parameter follows:
1079%
1080% o handle: Specifies a handle to the previously loaded dynamic module.
1081%
1082% o name: Specifies the procedure entry point to be returned.
1083%
1084*/
1085void *NTGetLibrarySymbol(void *handle,const char *name)
1086{
1087 FARPROC
1088 proc_address;
1089
1090 proc_address=GetProcAddress((HMODULE) handle,(LPCSTR) name);
1091 if (proc_address == (FARPROC) NULL)
1092 return((void *) NULL);
1093 return((void *) proc_address);
1094}
1095␌
1096/*
1097%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1098% %
1099% %
1100% %
1101% N T G e t M o d u l e P a t h %
1102% %
1103% %
1104% %
1105%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1106%
1107% NTGetModulePath() returns the path of the specified module.
1108%
1109% The format of the GetModulePath method is:
1110%
1111% MagickBooleanType NTGetModulePath(const char *module,char *path)
1112%
1113% A description of each parameter follows:
1114%
1115% modith: the module name.
1116%
1117% path: the module path is returned here.
1118%
1119*/
1120MagickPrivate MagickBooleanType NTGetModulePath(const char *module,char *path)
1121{
1122 char
1123 module_path[MaxTextExtent];
1124
1125 HMODULE
1126 handle;
1127
1128 ssize_t
1129 length;
1130
1131 *path='\0';
1132 handle=GetModuleHandle(module);
1133 if (handle == (HMODULE) NULL)
1134 return(MagickFalse);
1135 length=GetModuleFileName(handle,module_path,MaxTextExtent);
1136 if (length != 0)
1137 GetPathComponent(module_path,HeadPath,path);
1138 return(MagickTrue);
1139}
1140␌
1141/*
1142%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1143% %
1144% %
1145% %
1146% N T G h o s t s c r i p t D L L V e c t o r s %
1147% %
1148% %
1149% %
1150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1151%
1152% NTGhostscriptDLLVectors() returns a GhostInfo structure that includes
1153% function vectors to invoke Ghostscript DLL functions. A null pointer is
1154% returned if there is an error when loading the DLL or retrieving the
1155% function vectors.
1156%
1157% The format of the NTGhostscriptDLLVectors method is:
1158%
1159% const GhostInfo *NTGhostscriptDLLVectors(void)
1160%
1161*/
1162static int NTLocateGhostscript(DWORD flags,int *root_index,
1163 const char **product_family,int *major_version,int *minor_version,
1164 int *patch_version)
1165{
1166 int
1167 i;
1168
1169 MagickBooleanType
1170 status;
1171
1172 static const char
1173 *products[2] =
1174 {
1175 "Artifex Ghostscript",
1176 "GPL Ghostscript"
1177 };
1178
1179 /*
1180 Find the most recent version of Ghostscript.
1181 */
1182 status=MagickFalse;
1183 *root_index=0;
1184 *product_family=NULL;
1185 *major_version=5;
1186 *minor_version=49; /* min version of Ghostscript is 5.50 */
1187 for (i=0; i < (ssize_t) (sizeof(products)/sizeof(products[0])); i++)
1188 {
1189 char
1190 key[MagickPathExtent];
1191
1192 HKEY
1193 hkey;
1194
1195 int
1196 j;
1197
1198 REGSAM
1199 mode;
1200
1201 (void) FormatLocaleString(key,MagickPathExtent,"SOFTWARE\\%s",products[i]);
1202 for (j=0; j < (ssize_t) (sizeof(registry_roots)/sizeof(registry_roots[0]));
1203 j++)
1204 {
1205 mode=KEY_READ | flags;
1206 if (RegOpenKeyExA(registry_roots[j].hkey,key,0,mode,&hkey) ==
1207 ERROR_SUCCESS)
1208 {
1209 DWORD
1210 extent;
1211
1212 int
1213 k;
1214
1215 /*
1216 Now enumerate the keys.
1217 */
1218 extent=sizeof(key)/sizeof(char);
1219 for (k=0; RegEnumKeyA(hkey,k,key,extent) == ERROR_SUCCESS; k++)
1220 {
1221 int
1222 major,
1223 minor,
1224 patch;
1225
1226 major=0;
1227 minor=0;
1228 patch=0;
1229 if (sscanf(key,"%d.%d.%d",&major,&minor,&patch) != 3)
1230 if (sscanf(key,"%d.%d",&major,&minor) != 2)
1231 continue;
1232 if ((major > *major_version) ||
1233 ((major == *major_version) && (minor > *minor_version)) ||
1234 ((minor == *minor_version) && (patch > *patch_version)))
1235 {
1236 *root_index=j;
1237 *product_family=products[i];
1238 *major_version=major;
1239 *minor_version=minor;
1240 *patch_version=patch;
1241 status=MagickTrue;
1242 }
1243 }
1244 (void) RegCloseKey(hkey);
1245 }
1246 }
1247 }
1248 if (status == MagickFalse)
1249 {
1250 *major_version=0;
1251 *minor_version=0;
1252 *patch_version=0;
1253 }
1254 (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"Ghostscript (%s) "
1255 "version %d.%d.%d",*product_family,*major_version,*minor_version,*patch_version);
1256 return(status);
1257}
1258
1259static MagickBooleanType NTGhostscriptGetString(const char *name,
1260 BOOL *is_64_bit,char *value,const size_t length)
1261{
1262 char
1263 buffer[MagickPathExtent],
1264 *directory;
1265
1266 static const char
1267 *product_family = (const char *) NULL;
1268
1269 static BOOL
1270 is_64_bit_version = FALSE;
1271
1272 static int
1273 flags = 0,
1274 major_version = 0,
1275 minor_version = 0,
1276 patch_version = 0,
1277 root_index = 0;
1278
1279 unsigned char
1280 *registry_value;
1281
1282 /*
1283 Get a string from the installed Ghostscript.
1284 */
1285 *value='\0';
1286 directory=(char *) NULL;
1287 if (LocaleCompare(name,"GS_DLL") == 0)
1288 {
1289 directory=GetEnvironmentValue("MAGICK_GHOSTSCRIPT_PATH");
1290 if (directory != (char *) NULL)
1291 {
1292 (void) FormatLocaleString(buffer,MagickPathExtent,"%s%sgsdll64.dll",
1293 directory,DirectorySeparator);
1294 if (IsPathAccessible(buffer) != MagickFalse)
1295 {
1296 directory=DestroyString(directory);
1297 (void) CopyMagickString(value,buffer,length);
1298 if (is_64_bit != NULL)
1299 *is_64_bit=TRUE;
1300 return(MagickTrue);
1301 }
1302 (void) FormatLocaleString(buffer,MagickPathExtent,"%s%sgsdll32.dll",
1303 directory,DirectorySeparator);
1304 if (IsPathAccessible(buffer) != MagickFalse)
1305 {
1306 directory=DestroyString(directory);
1307 (void) CopyMagickString(value,buffer,length);
1308 if (is_64_bit != NULL)
1309 *is_64_bit=FALSE;
1310 return(MagickTrue);
1311 }
1312 return(MagickFalse);
1313 }
1314 }
1315 if (product_family == (const char *) NULL)
1316 {
1317 flags=0;
1318#if defined(KEY_WOW64_32KEY)
1319#if defined(_WIN64)
1320 flags=KEY_WOW64_64KEY;
1321#else
1322 flags=KEY_WOW64_32KEY;
1323#endif
1324 (void) NTLocateGhostscript(flags,&root_index,&product_family,
1325 &major_version,&minor_version,&patch_version);
1326 if (product_family == (const char *) NULL)
1327#if defined(_WIN64)
1328 flags=KEY_WOW64_32KEY;
1329 else
1330 is_64_bit_version=TRUE;
1331#else
1332 flags=KEY_WOW64_64KEY;
1333#endif
1334#endif
1335 }
1336 if (product_family == (const char *) NULL)
1337 {
1338 (void) NTLocateGhostscript(flags,&root_index,&product_family,
1339 &major_version,&minor_version,&patch_version);
1340#if !defined(_WIN64)
1341 is_64_bit_version=TRUE;
1342#endif
1343 }
1344 if (product_family == (const char *) NULL)
1345 return(MagickFalse);
1346 if (is_64_bit != NULL)
1347 *is_64_bit=is_64_bit_version;
1348 (void) FormatLocaleString(buffer,MagickPathExtent,"SOFTWARE\\%s\\%d.%.2d.%d",
1349 product_family,major_version,minor_version,patch_version);
1350 registry_value=NTGetRegistryValue(registry_roots[root_index].hkey,buffer,
1351 flags,name);
1352 if (registry_value == (unsigned char *) NULL)
1353 {
1354 (void) FormatLocaleString(buffer,MagickPathExtent,"SOFTWARE\\%s\\%d.%02d",
1355 product_family,major_version,minor_version);
1356 registry_value=NTGetRegistryValue(registry_roots[root_index].hkey,buffer,
1357 flags,name);
1358 }
1359 if (registry_value == (unsigned char *) NULL)
1360 return(MagickFalse);
1361 (void) CopyMagickString(value,(const char *) registry_value,length);
1362 registry_value=(unsigned char *) RelinquishMagickMemory(registry_value);
1363 (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
1364 "registry: \"%s\\%s\\%s\"=\"%s\"",registry_roots[root_index].name,
1365 buffer,name,value);
1366 return(MagickTrue);
1367}
1368
1369static MagickBooleanType NTGhostscriptDLL(char *path,int length)
1370{
1371 static char
1372 dll[MagickPathExtent] = { "" };
1373
1374 static BOOL
1375 is_64_bit;
1376
1377 *path='\0';
1378 if ((*dll == '\0') &&
1379 (NTGhostscriptGetString("GS_DLL",&is_64_bit,dll,sizeof(dll)) != MagickTrue))
1380 return(MagickFalse);
1381#if defined(_WIN64)
1382 if (!is_64_bit)
1383 return(MagickFalse);
1384#else
1385 if (is_64_bit)
1386 return(MagickFalse);
1387#endif
1388 (void) CopyMagickString(path,dll,length);
1389 return(MagickTrue);
1390}
1391
1392static inline MagickBooleanType NTGhostscriptHasValidHandle()
1393{
1394 if ((nt_ghost_info.delete_instance == NULL) || (ghost_info.exit == NULL) ||
1395 (nt_ghost_info.new_instance == NULL) || (ghost_info.set_stdio == NULL) ||
1396 (ghost_info.init_with_args == NULL) || (ghost_info.revision == NULL))
1397 return(MagickFalse);
1398 return(MagickTrue);
1399}
1400
1401MagickPrivate const GhostInfo *NTGhostscriptDLLVectors(void)
1402{
1403 char
1404 path[MaxTextExtent];
1405
1406 if (ghost_semaphore == (SemaphoreInfo *) NULL)
1407 ActivateSemaphoreInfo(&ghost_semaphore);
1408 LockSemaphoreInfo(ghost_semaphore);
1409 if (ghost_handle != (void *) NULL)
1410 {
1411 UnlockSemaphoreInfo(ghost_semaphore);
1412 if (NTGhostscriptHasValidHandle() == MagickFalse)
1413 return((GhostInfo *) NULL);
1414 return(&ghost_info);
1415 }
1416 if (NTGhostscriptDLL(path,sizeof(path)) == MagickFalse)
1417 {
1418 UnlockSemaphoreInfo(ghost_semaphore);
1419 return(FALSE);
1420 }
1421 ghost_handle=lt_dlopen(path);
1422 if (ghost_handle == (void *) NULL)
1423 {
1424 UnlockSemaphoreInfo(ghost_semaphore);
1425 return(FALSE);
1426 }
1427 (void) memset((void *) &nt_ghost_info,0,sizeof(NTGhostInfo));
1428 nt_ghost_info.delete_instance=(void (MagickDLLCall *)(gs_main_instance *)) (
1429 lt_dlsym(ghost_handle,"gsapi_delete_instance"));
1430 nt_ghost_info.new_instance=(int (MagickDLLCall *)(gs_main_instance **,
1431 void *)) (lt_dlsym(ghost_handle,"gsapi_new_instance"));
1432 nt_ghost_info.has_instance=MagickFalse;
1433 (void) memset((void *) &ghost_info,0,sizeof(GhostInfo));
1434 ghost_info.delete_instance=NTGhostscriptDeleteInstance;
1435 ghost_info.exit=(int (MagickDLLCall *)(gs_main_instance*))
1436 lt_dlsym(ghost_handle,"gsapi_exit");
1437 ghost_info.init_with_args=(int (MagickDLLCall *)(gs_main_instance *,int,
1438 char **)) (lt_dlsym(ghost_handle,"gsapi_init_with_args"));
1439 ghost_info.new_instance=NTGhostscriptNewInstance;
1440 ghost_info.run_string=(int (MagickDLLCall *)(gs_main_instance *,const char *,
1441 int,int *)) (lt_dlsym(ghost_handle,"gsapi_run_string"));
1442 ghost_info.set_stdio=(int (MagickDLLCall *)(gs_main_instance *,int(
1443 MagickDLLCall *)(void *,char *,int),int(MagickDLLCall *)(void *,
1444 const char *,int),int(MagickDLLCall *)(void *,const char *,int)))
1445 (lt_dlsym(ghost_handle,"gsapi_set_stdio"));
1446 ghost_info.revision=(int (MagickDLLCall *)(gsapi_revision_t *,int)) (
1447 lt_dlsym(ghost_handle,"gsapi_revision"));
1448 UnlockSemaphoreInfo(ghost_semaphore);
1449 if (NTGhostscriptHasValidHandle() == MagickFalse)
1450 return((GhostInfo *) NULL);
1451 return(&ghost_info);
1452}
1453␌
1454/*
1455%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1456% %
1457% %
1458% %
1459% N T G h o s t s c r i p t E X E %
1460% %
1461% %
1462% %
1463%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1464%
1465% NTGhostscriptEXE() obtains the path to the latest Ghostscript executable.
1466% The method returns FALSE if a full path value is not obtained and returns
1467% a default path of gswin32c.exe.
1468%
1469% The format of the NTGhostscriptEXE method is:
1470%
1471% int NTGhostscriptEXE(char *path,int length)
1472%
1473% A description of each parameter follows:
1474%
1475% o path: return the Ghostscript executable path here.
1476%
1477% o length: length of buffer.
1478%
1479*/
1480MagickPrivate int NTGhostscriptEXE(char *path,int length)
1481{
1482 char
1483 *p;
1484
1485 static char
1486 program[MaxTextExtent] = { "" };
1487
1488 static BOOL
1489 is_64_bit_version = FALSE;
1490
1491 if (*program == '\0')
1492 {
1493 if (ghost_semaphore == (SemaphoreInfo *) NULL)
1494 ActivateSemaphoreInfo(&ghost_semaphore);
1495 LockSemaphoreInfo(ghost_semaphore);
1496 if (*program == '\0')
1497 {
1498 if (NTGhostscriptGetString("GS_DLL",&is_64_bit_version,program,
1499 sizeof(program)) == MagickFalse)
1500 {
1501 UnlockSemaphoreInfo(ghost_semaphore);
1502#if defined(_WIN64)
1503 (void) CopyMagickString(program,"gswin64c.exe",sizeof(program));
1504#else
1505 (void) CopyMagickString(program,"gswin32c.exe",sizeof(program));
1506#endif
1507 (void) CopyMagickString(path,program,length);
1508 return(FALSE);
1509 }
1510 p=strrchr(program,'\\');
1511 if (p != (char *) NULL)
1512 {
1513 p++;
1514 *p='\0';
1515 (void) ConcatenateMagickString(program,is_64_bit_version ?
1516 "gswin64c.exe" : "gswin32c.exe",sizeof(program));
1517 }
1518 }
1519 UnlockSemaphoreInfo(ghost_semaphore);
1520 }
1521 (void) CopyMagickString(path,program,length);
1522 return(TRUE);
1523}
1524␌
1525/*
1526%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1527% %
1528% %
1529% %
1530% N T G h o s t s c r i p t F o n t s %
1531% %
1532% %
1533% %
1534%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1535%
1536% NTGhostscriptFonts() obtains the path to the Ghostscript fonts. The method
1537% returns FALSE if it cannot determine the font path.
1538%
1539% The format of the NTGhostscriptFonts method is:
1540%
1541% int NTGhostscriptFonts(char *path,int length)
1542%
1543% A description of each parameter follows:
1544%
1545% o path: return the font path here.
1546%
1547% o length: length of the path buffer.
1548%
1549*/
1550MagickPrivate int NTGhostscriptFonts(char *path,int length)
1551{
1552 char
1553 buffer[MaxTextExtent],
1554 *directory,
1555 filename[MaxTextExtent];
1556
1557 char
1558 *p,
1559 *q;
1560
1561 *path='\0';
1562 directory=GetEnvironmentValue("MAGICK_GHOSTSCRIPT_FONT_PATH");
1563 if (directory != (char *) NULL)
1564 {
1565 (void) CopyMagickString(buffer,directory,MaxTextExtent);
1566 directory=DestroyString(directory);
1567 }
1568 else
1569 {
1570 if (NTGhostscriptGetString("GS_LIB",NULL,buffer,MaxTextExtent) == MagickFalse)
1571 return(FALSE);
1572 }
1573 for (p=buffer-1; p != (char *) NULL; p=strchr(p+1,DirectoryListSeparator))
1574 {
1575 (void) CopyMagickString(path,p+1,length+1);
1576 q=strchr(path,DirectoryListSeparator);
1577 if (q != (char *) NULL)
1578 *q='\0';
1579 (void) FormatLocaleString(filename,MaxTextExtent,"%s%sfonts.dir",path,
1580 DirectorySeparator);
1581 if (IsPathAccessible(filename) != MagickFalse)
1582 return(TRUE);
1583 (void) FormatLocaleString(filename,MaxTextExtent,"%s%sn019003l.pfb",path,
1584 DirectorySeparator);
1585 if (IsPathAccessible(filename) != MagickFalse)
1586 return(TRUE);
1587 }
1588 *path='\0';
1589 return(FALSE);
1590}
1591␌
1592/*
1593%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1594% %
1595% %
1596% %
1597% N T G h o s t s c r i p t U n L o a d D L L %
1598% %
1599% %
1600% %
1601%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1602%
1603% NTGhostscriptUnLoadDLL() unloads the Ghostscript DLL and returns TRUE if
1604% it succeeds.
1605%
1606% The format of the NTGhostscriptUnLoadDLL method is:
1607%
1608% int NTGhostscriptUnLoadDLL(void)
1609%
1610*/
1611MagickPrivate int NTGhostscriptUnLoadDLL(void)
1612{
1613 int
1614 status;
1615
1616 if (ghost_semaphore == (SemaphoreInfo *) NULL)
1617 ActivateSemaphoreInfo(&ghost_semaphore);
1618 LockSemaphoreInfo(ghost_semaphore);
1619 status=FALSE;
1620 if (ghost_handle != (void *) NULL)
1621 {
1622 status=lt_dlclose(ghost_handle);
1623 ghost_handle=(void *) NULL;
1624 (void) memset((void *) &ghost_info,0,sizeof(GhostInfo));
1625 }
1626 UnlockSemaphoreInfo(ghost_semaphore);
1627 DestroySemaphoreInfo(&ghost_semaphore);
1628 return(status);
1629}
1630␌
1631/*
1632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1633% %
1634% %
1635% %
1636% N T I s L i n k W i d e %
1637% %
1638% %
1639% %
1640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1641%
1642% NTIsSymlinkWide() returns a boolean value indicating whether the specified path
1643% is a a link.
1644%
1645% The format of the NTIsSymlinkWide method is:
1646%
1647% MagickBooleanType NTIsSymlinkWide(const char *path)
1648%
1649% A description of each parameter follows:
1650%
1651% o path: the file path.
1652%
1653*/
1654MagickExport MagickBooleanType NTIsSymlinkWide(const char *path)
1655{
1656 DWORD
1657 attributes;
1658
1659 wchar_t
1660 *path_wide;
1661
1662 path_wide=NTCreateWidePath(path);
1663 attributes=GetFileAttributesW(path_wide);
1664 if (attributes == INVALID_FILE_ATTRIBUTES)
1665 return(MagickFalse);
1666 return(((attributes & FILE_ATTRIBUTE_REPARSE_POINT) != 0) ? MagickTrue :
1667 MagickFalse);
1668}
1669␌
1670/*
1671%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1672% %
1673% %
1674% %
1675% N T I n i t i a l i z e L i b r a r y %
1676% %
1677% %
1678% %
1679%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1680%
1681% NTInitializeLibrary() initializes the dynamic module loading subsystem.
1682%
1683% The format of the NTInitializeLibrary method is:
1684%
1685% int NTInitializeLibrary(void)
1686%
1687*/
1688MagickPrivate int NTInitializeLibrary(void)
1689{
1690 return(0);
1691}
1692
1693/*
1694%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1695% %
1696% %
1697% %
1698% N T I n i t i a l i z e W i n s o c k %
1699% %
1700% %
1701% %
1702%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1703%
1704% NTInitializeWinsock() initializes Winsock.
1705%
1706% The format of the NTInitializeWinsock method is:
1707%
1708% void NTInitializeWinsock(void)
1709%
1710*/
1711MagickPrivate void NTInitializeWinsock(MagickBooleanType use_lock)
1712{
1713 if (use_lock)
1714 {
1715 if (winsock_semaphore == (SemaphoreInfo *) NULL)
1716 ActivateSemaphoreInfo(&winsock_semaphore);
1717 LockSemaphoreInfo(winsock_semaphore);
1718 }
1719 if (wsaData == (WSADATA *) NULL)
1720 {
1721 wsaData=(WSADATA *) AcquireMagickMemory(sizeof(WSADATA));
1722 if (WSAStartup(MAKEWORD(2,2),wsaData) != 0)
1723 ThrowFatalException(CacheFatalError,"WSAStartup failed");
1724 }
1725 if (use_lock)
1726 UnlockSemaphoreInfo(winsock_semaphore);
1727}
1728␌
1729/*
1730%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1731% %
1732% %
1733% %
1734% N T L o n g P a t h s E n a b l e d %
1735% %
1736% %
1737% %
1738%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1739%
1740% NTLongPathsEnabled() returns a boolean indicating whether long paths are
1741$ enabled.
1742%
1743% The format of the NTLongPathsEnabled method is:
1744%
1745% MagickBooleanType NTLongPathsEnabled()
1746%
1747*/
1748MagickExport MagickBooleanType NTLongPathsEnabled()
1749{
1750 if (long_paths_enabled == 2)
1751 {
1752 DWORD
1753 size,
1754 type,
1755 value;
1756
1757 HKEY
1758 registry_key;
1759
1760 LONG
1761 status;
1762
1763 registry_key=(HKEY) INVALID_HANDLE_VALUE;
1764 status=RegOpenKeyExA(HKEY_LOCAL_MACHINE,
1765 "SYSTEM\\CurrentControlSet\\Control\\FileSystem",0,KEY_READ,
1766 &registry_key);
1767 if (status != ERROR_SUCCESS)
1768 {
1769 long_paths_enabled=0;
1770 RegCloseKey(registry_key);
1771 return(MagickFalse);
1772 }
1773 value=0;
1774 status=RegQueryValueExA(registry_key,"LongPathsEnabled",0,&type,NULL,
1775 NULL);
1776 if ((status != ERROR_SUCCESS) || (type != REG_DWORD))
1777 {
1778 long_paths_enabled=0;
1779 RegCloseKey(registry_key);
1780 return(MagickFalse);
1781 }
1782 status=RegQueryValueExA(registry_key,"LongPathsEnabled",0,&type,
1783 (LPBYTE) &value,&size);
1784 RegCloseKey(registry_key);
1785 if (status != ERROR_SUCCESS)
1786 {
1787 long_paths_enabled=0;
1788 return(MagickFalse);
1789 }
1790 long_paths_enabled=(size_t) value;
1791 }
1792 return(long_paths_enabled == 1 ? MagickTrue : MagickFalse);
1793}
1794␌
1795/*
1796%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1797% %
1798% %
1799% %
1800+ N T M a p M e m o r y %
1801% %
1802% %
1803% %
1804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1805%
1806% NTMapMemory() emulates the Unix method of the same name.
1807%
1808% The format of the NTMapMemory method is:
1809%
1810% void *NTMapMemory(char *address,size_t length,int protection,int access,
1811% int file,MagickOffsetType offset)
1812%
1813*/
1814MagickPrivate void *NTMapMemory(char *address,size_t length,int protection,
1815 int flags,int file,MagickOffsetType offset)
1816{
1817 DWORD
1818 access_mode,
1819 high_length,
1820 high_offset,
1821 low_length,
1822 low_offset,
1823 protection_mode;
1824
1825 HANDLE
1826 file_handle,
1827 map_handle;
1828
1829 void
1830 *map;
1831
1832 (void) address;
1833 access_mode=0;
1834 file_handle=INVALID_HANDLE_VALUE;
1835 low_length=(DWORD) (length & 0xFFFFFFFFUL);
1836 high_length=(DWORD) ((((MagickOffsetType) length) >> 32) & 0xFFFFFFFFUL);
1837 map_handle=INVALID_HANDLE_VALUE;
1838 map=(void *) NULL;
1839 low_offset=(DWORD) (offset & 0xFFFFFFFFUL);
1840 high_offset=(DWORD) ((offset >> 32) & 0xFFFFFFFFUL);
1841 protection_mode=0;
1842 if (protection & PROT_WRITE)
1843 {
1844 access_mode=FILE_MAP_WRITE;
1845 if (!(flags & MAP_PRIVATE))
1846 protection_mode=PAGE_READWRITE;
1847 else
1848 {
1849 access_mode=FILE_MAP_COPY;
1850 protection_mode=PAGE_WRITECOPY;
1851 }
1852 }
1853 else
1854 if (protection & PROT_READ)
1855 {
1856 access_mode=FILE_MAP_READ;
1857 protection_mode=PAGE_READONLY;
1858 }
1859 if ((file == -1) && (flags & MAP_ANONYMOUS))
1860 file_handle=INVALID_HANDLE_VALUE;
1861 else
1862 file_handle=(HANDLE) _get_osfhandle(file);
1863 map_handle=CreateFileMapping(file_handle,0,protection_mode,high_length,
1864 low_length,0);
1865 if (map_handle)
1866 {
1867 map=(void *) MapViewOfFile(map_handle,access_mode,high_offset,low_offset,
1868 length);
1869 CloseHandle(map_handle);
1870 }
1871 if (map == (void *) NULL)
1872 return((void *) ((char *) MAP_FAILED));
1873 return((void *) ((char *) map));
1874}
1875␌
1876/*
1877%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1878% %
1879% %
1880% %
1881% N T O p e n D i r e c t o r y %
1882% %
1883% %
1884% %
1885%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1886%
1887% NTOpenDirectory() opens the directory named by filename and associates a
1888% directory stream with it.
1889%
1890% The format of the NTOpenDirectory method is:
1891%
1892% DIR *NTOpenDirectory(const char *path)
1893%
1894% A description of each parameter follows:
1895%
1896% o entry: Specifies a pointer to a DIR structure.
1897%
1898*/
1899MagickPrivate DIR *NTOpenDirectory(const char *path)
1900{
1901 DIR
1902 *entry;
1903
1904 size_t
1905 length;
1906
1907 wchar_t
1908 file_specification[MaxTextExtent];
1909
1910 assert(path != (const char *) NULL);
1911 length=MultiByteToWideChar(CP_UTF8,0,path,-1,file_specification,
1912 MaxTextExtent);
1913 if (length == 0)
1914 return((DIR *) NULL);
1915 if(wcsncat(file_specification,L"\\*.*",MaxTextExtent-wcslen(
1916 file_specification)-1) == (wchar_t*) NULL)
1917 return((DIR *) NULL);
1918 entry=(DIR *) AcquireCriticalMemory(sizeof(DIR));
1919 entry->firsttime=TRUE;
1920 entry->hSearch=FindFirstFileW(file_specification,&entry->Win32FindData);
1921 if (entry->hSearch == INVALID_HANDLE_VALUE)
1922 {
1923 entry=(DIR *) RelinquishMagickMemory(entry);
1924 return((DIR *) NULL);
1925 }
1926 return(entry);
1927}
1928␌
1929/*
1930%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1931% %
1932% %
1933% %
1934% N T O p e n L i b r a r y %
1935% %
1936% %
1937% %
1938%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1939%
1940% NTOpenLibrary() loads a dynamic module into memory and returns a handle that
1941% can be used to access the various procedures in the module.
1942%
1943% The format of the NTOpenLibrary method is:
1944%
1945% void *NTOpenLibrary(const char *filename)
1946%
1947% A description of each parameter follows:
1948%
1949% o path: Specifies a pointer to string representing dynamic module that
1950% is to be loaded.
1951%
1952*/
1953static inline const char *GetSearchPath(void)
1954{
1955#if defined(MAGICKCORE_LTDL_DELEGATE)
1956 return(lt_dlgetsearchpath());
1957#else
1958 return(lt_slsearchpath);
1959#endif
1960}
1961
1962static UINT ChangeErrorMode(void)
1963{
1964 typedef UINT
1965 (CALLBACK *GETERRORMODE)(void);
1966
1967 GETERRORMODE
1968 getErrorMode;
1969
1970 HMODULE
1971 handle;
1972
1973 UINT
1974 mode;
1975
1976 mode=SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX;
1977
1978 handle=GetModuleHandle("kernel32.dll");
1979 if (handle == (HMODULE) NULL)
1980 return SetErrorMode(mode);
1981
1982 getErrorMode=(GETERRORMODE) NTGetLibrarySymbol(handle,"GetErrorMode");
1983 if (getErrorMode != (GETERRORMODE) NULL)
1984 mode=getErrorMode() | SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX;
1985
1986 return SetErrorMode(mode);
1987}
1988
1989static inline void *NTLoadLibrary(const char *filename)
1990{
1991 int
1992 length;
1993
1994 wchar_t
1995 path[MaxTextExtent];
1996
1997 length=MultiByteToWideChar(CP_UTF8,0,filename,-1,path,MaxTextExtent);
1998 if (length == 0)
1999 return((void *) NULL);
2000 return (void *) LoadLibraryExW(path,NULL,LOAD_WITH_ALTERED_SEARCH_PATH);
2001}
2002
2003MagickPrivate void *NTOpenLibrary(const char *filename)
2004{
2005 char
2006 path[MaxTextExtent];
2007
2008 const char
2009 *p,
2010 *q;
2011
2012 UINT
2013 mode;
2014
2015 void
2016 *handle;
2017
2018 mode=ChangeErrorMode();
2019 handle=NTLoadLibrary(filename);
2020 if (handle == (void *) NULL)
2021 {
2022 p=GetSearchPath();
2023 while (p != (const char*) NULL)
2024 {
2025 q=strchr(p,DirectoryListSeparator);
2026 if (q != (const char*) NULL)
2027 (void) CopyMagickString(path,p,q-p+1);
2028 else
2029 (void) CopyMagickString(path,p,MaxTextExtent);
2030 (void) ConcatenateMagickString(path,DirectorySeparator,MaxTextExtent);
2031 (void) ConcatenateMagickString(path,filename,MaxTextExtent);
2032 handle=NTLoadLibrary(path);
2033 if (handle != (void *) NULL || q == (const char*) NULL)
2034 break;
2035 p=q+1;
2036 }
2037 }
2038 SetErrorMode(mode);
2039 return(handle);
2040}
2041␌
2042/*
2043%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2044% %
2045% %
2046% %
2047% N T O p e n F i l e W i d e %
2048% %
2049% %
2050% %
2051%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2052%
2053% NTOpenFileWide() opens a file and returns a file pointer.
2054%
2055% The format of the NTOpenFileWide method is:
2056%
2057% FILE *NTOpenFileWide(const char* path, const char* mode)
2058%
2059% A description of each parameter follows:
2060%
2061% o path: the file path.
2062%
2063% o mode: the file open mode.
2064%
2065*/
2066static inline wchar_t *create_wchar_mode(const char *mode)
2067{
2068 int
2069 count;
2070
2071 wchar_t
2072 *wide;
2073
2074 count=MultiByteToWideChar(CP_UTF8,0,mode,-1,NULL,0);
2075 wide=(wchar_t *) AcquireQuantumMemory((size_t) count+1,
2076 sizeof(*wide));
2077 if (wide == (wchar_t *) NULL)
2078 return((wchar_t *) NULL);
2079 if (MultiByteToWideChar(CP_UTF8,0,mode,-1,wide,count) == 0)
2080 {
2081 wide=(wchar_t *) RelinquishMagickMemory(wide);
2082 return((wchar_t *) NULL);
2083 }
2084 /* Specifies that the file is not inherited by child processes */
2085 wide[count] = L'\0';
2086 wide[count-1] = L'N';
2087 return(wide);
2088}
2089
2090MagickExport FILE *NTOpenFileWide(const char* path, const char* mode)
2091{
2092 FILE
2093 *file;
2094
2095 wchar_t
2096 *mode_wide,
2097 *path_wide;
2098
2099 path_wide=NTCreateWidePath(path);
2100 if (path_wide == (wchar_t *) NULL)
2101 return((FILE *) NULL);
2102 mode_wide=create_wchar_mode(mode);
2103 if (mode_wide == (wchar_t *) NULL)
2104 {
2105 path_wide=(wchar_t *) RelinquishMagickMemory(path_wide);
2106 return((FILE *) NULL);
2107 }
2108 if (_wfopen_s(&file,path_wide,mode_wide) != 0)
2109 file=(FILE *) NULL;
2110 mode_wide=(wchar_t *) RelinquishMagickMemory(mode_wide);
2111 path_wide=(wchar_t *) RelinquishMagickMemory(path_wide);
2112 return(file);
2113}
2114␌
2115/*
2116%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2117% %
2118% %
2119% %
2120% N T O p e n P i p e W i d e %
2121% %
2122% %
2123% %
2124%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2125%
2126% NTOpenPipeWide() opens a pipe and returns a file pointer.
2127%
2128% The format of the NTOpenPipeWide method is:
2129%
2130% FILE *NTOpenPipeWide(const char* command, const char* type)
2131%
2132% A description of each parameter follows:
2133%
2134% o command: the command to execute.
2135%
2136% o type: the file open mode.
2137%
2138*/
2139MagickExport FILE *NTOpenPipeWide(const char *command,const char *type)
2140{
2141 FILE
2142 *file;
2143
2144 int
2145 length;
2146
2147 wchar_t
2148 *command_wide,
2149 type_wide[5];
2150
2151 file=(FILE *) NULL;
2152 length=MultiByteToWideChar(CP_UTF8,0,type,-1,type_wide,5);
2153 if (length == 0)
2154 return(file);
2155 length=MultiByteToWideChar(CP_UTF8,0,command,-1,NULL,0);
2156 if (length == 0)
2157 return(file);
2158 command_wide=(wchar_t *) AcquireQuantumMemory((size_t) length,
2159 sizeof(*command_wide));
2160 if (command_wide == (wchar_t *) NULL)
2161 return(file);
2162 length=MultiByteToWideChar(CP_UTF8,0,command,-1,command_wide,length);
2163 if (length != 0)
2164 file=_wpopen(command_wide,type_wide);
2165 command_wide=(wchar_t *) RelinquishMagickMemory(command_wide);
2166 return(file);
2167}
2168␌
2169/*
2170%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2171% %
2172% %
2173% %
2174% N T O p e n W i d e %
2175% %
2176% %
2177% %
2178%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2179%
2180% NTOpenWide() opens the file specified by path and mode.
2181%
2182% The format of the NTOpenWide method is:
2183%
2184% FILE *NTOpenWide(const char* path, const char* mode)
2185%
2186% A description of each parameter follows:
2187%
2188% o path: the file path.
2189%
2190% o flags: the file open flags.
2191%
2192% o mode: the file open mode.
2193%
2194*/
2195MagickExport int NTOpenWide(const char* path,int flags,mode_t mode)
2196{
2197 int
2198 file_handle,
2199 status;
2200
2201 wchar_t
2202 *path_wide;
2203
2204 path_wide=NTCreateWidePath(path);
2205 if (path_wide == (wchar_t *) NULL)
2206 return(-1);
2207 /* O_NOINHERIT specifies that the file is not inherited by child processes */
2208 status=_wsopen_s(&file_handle,path_wide,flags | O_NOINHERIT,_SH_DENYNO,mode);
2209 path_wide=(wchar_t *) RelinquishMagickMemory(path_wide);
2210 return(status == 0 ? file_handle : -1);
2211}
2212␌
2213/*
2214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2215% %
2216% %
2217% %
2218% N T R e a d D i r e c t o r y %
2219% %
2220% %
2221% %
2222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2223%
2224% NTReadDirectory() returns a pointer to a structure representing the
2225% directory entry at the current position in the directory stream to which
2226% entry refers.
2227%
2228% The format of the NTReadDirectory
2229%
2230% NTReadDirectory(entry)
2231%
2232% A description of each parameter follows:
2233%
2234% o entry: Specifies a pointer to a DIR structure.
2235%
2236*/
2237MagickPrivate struct dirent *NTReadDirectory(DIR *entry)
2238{
2239 int
2240 status;
2241
2242 size_t
2243 length;
2244
2245 if (entry == (DIR *) NULL)
2246 return((struct dirent *) NULL);
2247 if (!entry->firsttime)
2248 {
2249 status=FindNextFileW(entry->hSearch,&entry->Win32FindData);
2250 if (status == 0)
2251 return((struct dirent *) NULL);
2252 }
2253 length=WideCharToMultiByte(CP_UTF8,0,entry->Win32FindData.cFileName,-1,
2254 entry->file_info.d_name,sizeof(entry->file_info.d_name),NULL,NULL);
2255 if (length == 0)
2256 return((struct dirent *) NULL);
2257 entry->firsttime=FALSE;
2258 entry->file_info.d_namlen=(int) strlen(entry->file_info.d_name);
2259 return(&entry->file_info);
2260}
2261␌
2262/*
2263%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2264% %
2265% %
2266% %
2267% N T R e a l P a t h W i d e %
2268% %
2269% %
2270% %
2271%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2272%
2273% NTRealPathWide returns the absolute path of the specified path.
2274%
2275% The format of the NTRealPathWide method is:
2276%
2277% char *NTRealPathWide(const char *path)
2278%
2279% A description of each parameter follows:
2280%
2281% o path: the file path.
2282%
2283*/
2284static inline wchar_t* resolve_symlink(const wchar_t* path)
2285{
2286 DWORD
2287 link_length;
2288
2289 HANDLE
2290 file_handle;
2291
2292 wchar_t
2293 *link;
2294
2295 file_handle=CreateFileW(path,GENERIC_READ,FILE_SHARE_READ |FILE_SHARE_WRITE |
2296 FILE_SHARE_DELETE,NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
2297 if (file_handle == INVALID_HANDLE_VALUE)
2298 return((wchar_t *) NULL);
2299 link_length=GetFinalPathNameByHandleW(file_handle,NULL,0,
2300 FILE_NAME_NORMALIZED);
2301 link=(wchar_t *) AcquireQuantumMemory(link_length,sizeof(wchar_t));
2302 if (link == (wchar_t *) NULL)
2303 {
2304 CloseHandle(file_handle);
2305 return((wchar_t *) NULL);
2306 }
2307 GetFinalPathNameByHandleW(file_handle,link,link_length,FILE_NAME_NORMALIZED);
2308 CloseHandle(file_handle);
2309 return(link);
2310}
2311
2312MagickExport char *NTRealPathWide(const char *path)
2313{
2314 char
2315 *real_path;
2316
2317 wchar_t
2318 *wide_real_path,
2319 *wide_path;
2320
2321 wide_path=NTCreateWidePath(path);
2322 wide_real_path=resolve_symlink(wide_path);
2323 if (wide_real_path == (wchar_t*) NULL)
2324 {
2325 DWORD
2326 full_path_length;
2327
2328 full_path_length=GetFullPathNameW(wide_path,0,NULL,NULL);
2329 wide_real_path=(wchar_t *) AcquireQuantumMemory(full_path_length,
2330 sizeof(wchar_t));
2331 if (wide_real_path == (wchar_t*) NULL)
2332 {
2333 wide_path=(wchar_t *) RelinquishMagickMemory(wide_path);
2334 return((char*) NULL);
2335 }
2336 GetFullPathNameW(wide_path,full_path_length,wide_real_path,NULL);
2337 }
2338 wide_path=(wchar_t *) RelinquishMagickMemory(wide_path);
2339 /*
2340 Remove \\?\ prefix for POSIX-like behavior.
2341 */
2342 if (wcsncmp(wide_real_path,L"\\\\?\\",4) == 0)
2343 real_path=create_utf8_string(wide_real_path+4);
2344 else
2345 real_path=create_utf8_string(wide_real_path);
2346 wide_real_path=(wchar_t *) RelinquishMagickMemory(wide_real_path);
2347 return(real_path);
2348}
2349␌
2350/*
2351%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2352% %
2353% %
2354% %
2355% N T R e g i s t r y K e y L o o k u p %
2356% %
2357% %
2358% %
2359%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2360%
2361% NTRegistryKeyLookup() returns ImageMagick installation path settings
2362% stored in the Windows Registry. Path settings are specific to the
2363% installed ImageMagick version so that multiple Image Magick installations
2364% may coexist.
2365%
2366% Values are stored in the registry under a base path similar to
2367% "HKEY_LOCAL_MACHINE/SOFTWARE\ImageMagick\6.7.4\Q:16" or
2368% "HKEY_CURRENT_USER/SOFTWARE\ImageMagick\6.7.4\Q:16". The provided subkey
2369% is appended to this base path to form the full key.
2370%
2371% The format of the NTRegistryKeyLookup method is:
2372%
2373% unsigned char *NTRegistryKeyLookup(const char *subkey)
2374%
2375% A description of each parameter follows:
2376%
2377% o subkey: Specifies a string that identifies the registry object.
2378% Currently supported sub-keys include: "BinPath", "ConfigurePath",
2379% "LibPath", "CoderModulesPath", "FilterModulesPath", "SharePath".
2380%
2381*/
2382MagickPrivate unsigned char *NTRegistryKeyLookup(const char *subkey)
2383{
2384 char
2385 package_key[MaxTextExtent] = "";
2386
2387 unsigned char
2388 *value;
2389
2390 (void) FormatLocaleString(package_key,MagickPathExtent,
2391 "SOFTWARE\\%s\\%s\\Q:%d",MagickPackageName,MagickLibVersionText,
2392 MAGICKCORE_QUANTUM_DEPTH);
2393 value=NTGetRegistryValue(HKEY_LOCAL_MACHINE,package_key,0,subkey);
2394 if (value == (unsigned char *) NULL)
2395 value=NTGetRegistryValue(HKEY_CURRENT_USER,package_key,0,subkey);
2396 return(value);
2397}
2398␌
2399/*
2400%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2401% %
2402% %
2403% %
2404% N T R e m o v e W i d e %
2405% %
2406% %
2407% %
2408%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2409%
2410% NTRemoveWide() removes the specified file.
2411%
2412% The format of the NTRemoveWide method is:
2413%
2414% int NTRemoveWide(const char *path)
2415%
2416% A description of each parameter follows:
2417%
2418% o path: the file path.
2419%
2420*/
2421MagickExport int NTRemoveWide(const char *path)
2422{
2423 int
2424 status;
2425
2426 wchar_t
2427 *path_wide;
2428
2429 path_wide=NTCreateWidePath(path);
2430 if (path_wide == (wchar_t *) NULL)
2431 return(-1);
2432 status=_wremove(path_wide);
2433 path_wide=(wchar_t *) RelinquishMagickMemory(path_wide);
2434 return(status);
2435}
2436␌
2437/*
2438%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2439% %
2440% %
2441% %
2442% N T R e n a m e W i d e %
2443% %
2444% %
2445% %
2446%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2447%
2448% NTRenameWide() renames a file.
2449%
2450% The format of the NTRenameWide method is:
2451%
2452% int NTRenameWide(const char *source, const char *destination)
2453%
2454% A description of each parameter follows:
2455%
2456% o source: the source file path.
2457%
2458% o destination: the destination file path.
2459%
2460*/
2461MagickExport int NTRenameWide(const char* source, const char* destination)
2462{
2463 int
2464 status;
2465
2466 wchar_t
2467 *destination_wide,
2468 *source_wide;
2469
2470 source_wide=NTCreateWidePath(source);
2471 if (source_wide == (wchar_t *) NULL)
2472 return(-1);
2473 destination_wide=NTCreateWidePath(destination);
2474 if (destination_wide == (wchar_t *) NULL)
2475 {
2476 source_wide=(wchar_t *) RelinquishMagickMemory(source_wide);
2477 return(-1);
2478 }
2479 status=_wrename(source_wide,destination_wide);
2480 destination_wide=(wchar_t *) RelinquishMagickMemory(destination_wide);
2481 source_wide=(wchar_t *) RelinquishMagickMemory(source_wide);
2482 return(status);
2483}
2484␌
2485/*
2486%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2487% %
2488% %
2489% %
2490% N T R e p o r t E v e n t %
2491% %
2492% %
2493% %
2494%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2495%
2496% NTReportEvent() reports an event.
2497%
2498% The format of the NTReportEvent method is:
2499%
2500% MagickBooleanType NTReportEvent(const char *event,
2501% const MagickBooleanType error)
2502%
2503% A description of each parameter follows:
2504%
2505% o event: the event.
2506%
2507% o error: MagickTrue the event is an error.
2508%
2509*/
2510MagickPrivate MagickBooleanType NTReportEvent(const char *event,
2511 const MagickBooleanType error)
2512{
2513 const char
2514 *events[1];
2515
2516 HANDLE
2517 handle;
2518
2519 WORD
2520 type;
2521
2522 handle=RegisterEventSource(NULL,MAGICKCORE_PACKAGE_NAME);
2523 if (handle == NULL)
2524 return(MagickFalse);
2525 events[0]=event;
2526 type=error ? EVENTLOG_ERROR_TYPE : EVENTLOG_WARNING_TYPE;
2527 ReportEvent(handle,type,0,0,NULL,1,0,events,NULL);
2528 DeregisterEventSource(handle);
2529 return(MagickTrue);
2530}
2531␌
2532/*
2533%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2534% %
2535% %
2536% %
2537% N T R e s o u r c e T o B l o b %
2538% %
2539% %
2540% %
2541%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2542%
2543% NTResourceToBlob() returns a blob containing the contents of the resource
2544% in the current executable specified by the id parameter. This currently
2545% used to retrieve MGK files tha have been embedded into the various command
2546% line utilities.
2547%
2548% The format of the NTResourceToBlob method is:
2549%
2550% unsigned char *NTResourceToBlob(const char *id)
2551%
2552% A description of each parameter follows:
2553%
2554% o id: Specifies a string that identifies the resource.
2555%
2556*/
2557MagickPrivate unsigned char *NTResourceToBlob(const char *id)
2558{
2559
2560#ifndef MAGICKCORE_LIBRARY_NAME
2561 char
2562 path[MaxTextExtent];
2563#endif
2564
2565 DWORD
2566 length;
2567
2568 HGLOBAL
2569 global;
2570
2571 HMODULE
2572 handle;
2573
2574 HRSRC
2575 resource;
2576
2577 unsigned char
2578 *blob,
2579 *value;
2580
2581 assert(id != (const char *) NULL);
2582 if (IsEventLogging() != MagickFalse)
2583 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",id);
2584#ifdef MAGICKCORE_LIBRARY_NAME
2585 handle=GetModuleHandle(MAGICKCORE_LIBRARY_NAME);
2586#else
2587 (void) FormatLocaleString(path,MaxTextExtent,"%s%s%s",GetClientPath(),
2588 DirectorySeparator,GetClientName());
2589 if (IsPathAccessible(path) != MagickFalse)
2590 handle=GetModuleHandle(path);
2591 else
2592 handle=GetModuleHandle(0);
2593#endif
2594 if (!handle)
2595 return((unsigned char *) NULL);
2596 resource=FindResource(handle,id,"IMAGEMAGICK");
2597 if (!resource)
2598 return((unsigned char *) NULL);
2599 global=LoadResource(handle,resource);
2600 if (!global)
2601 return((unsigned char *) NULL);
2602 length=SizeofResource(handle,resource);
2603 value=(unsigned char *) LockResource(global);
2604 if (!value)
2605 {
2606 FreeResource(global);
2607 return((unsigned char *) NULL);
2608 }
2609 blob=(unsigned char *) AcquireQuantumMemory(length+MaxTextExtent,
2610 sizeof(*blob));
2611 if (blob != (unsigned char *) NULL)
2612 {
2613 (void) memcpy(blob,value,length);
2614 blob[length]='\0';
2615 }
2616 UnlockResource(global);
2617 FreeResource(global);
2618 return(blob);
2619}
2620␌
2621/*
2622%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2623% %
2624% %
2625% %
2626% NT S e t F i l e T i m e s t a m p %
2627% %
2628% %
2629% %
2630%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2631%
2632% NTSetFileTimestamp() sets the file timestamps for a specified file.
2633%
2634% The format of the NTSetFileTimestamp method is:
2635%
2636% int NTSetFileTimestamp(const char *path, struct stat *attributes)
2637%
2638% A description of each parameter follows:
2639%
2640% o path: the file path.
2641%
2642% o attributes: the file attributes.
2643%
2644*/
2645MagickExport int NTSetFileTimestamp(const char *path, struct stat *attributes)
2646{
2647 HANDLE
2648 handle;
2649
2650 int
2651 status;
2652
2653 wchar_t
2654 *path_wide;
2655
2656 status=(-1);
2657 path_wide=NTCreateWidePath(path);
2658 if (path_wide == (WCHAR *) NULL)
2659 return(status);
2660 handle=CreateFileW(path_wide,FILE_WRITE_ATTRIBUTES,FILE_SHARE_WRITE |
2661 FILE_SHARE_READ,NULL,OPEN_EXISTING,0,NULL);
2662 if (handle != (HANDLE) NULL)
2663 {
2664 FILETIME
2665 creation_time,
2666 last_access_time,
2667 last_write_time;
2668
2669 ULARGE_INTEGER
2670 date_time;
2671
2672 date_time.QuadPart=(ULONGLONG) (attributes->st_ctime*10000000LL)+
2673 116444736000000000LL;
2674 creation_time.dwLowDateTime=date_time.LowPart;
2675 creation_time.dwHighDateTime=date_time.HighPart;
2676 date_time.QuadPart=(ULONGLONG) (attributes->st_atime*10000000LL)+
2677 116444736000000000LL;
2678 last_access_time.dwLowDateTime=date_time.LowPart;
2679 last_access_time.dwHighDateTime=date_time.HighPart;
2680 date_time.QuadPart=(ULONGLONG) (attributes->st_mtime*10000000LL)+
2681 116444736000000000LL;
2682 last_write_time.dwLowDateTime=date_time.LowPart;
2683 last_write_time.dwHighDateTime=date_time.HighPart;
2684 status=SetFileTime(handle,&creation_time,&last_access_time,&last_write_time);
2685 CloseHandle(handle);
2686 status=0;
2687 }
2688 path_wide=(WCHAR *) RelinquishMagickMemory(path_wide);
2689 return(status);
2690}
2691␌
2692/*
2693%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2694% %
2695% %
2696% %
2697% N T S e t S e a r c h P a t h %
2698% %
2699% %
2700% %
2701%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2702%
2703% NTSetSearchPath() sets the current locations that the subsystem should
2704% look at to find dynamically loadable modules.
2705%
2706% The format of the NTSetSearchPath method is:
2707%
2708% int NTSetSearchPath(const char *path)
2709%
2710% A description of each parameter follows:
2711%
2712% o path: Specifies a pointer to string representing the search path
2713% for DLL's that can be dynamically loaded.
2714%
2715*/
2716MagickPrivate int NTSetSearchPath(const char *path)
2717{
2718#if defined(MAGICKCORE_LTDL_DELEGATE)
2719 lt_dlsetsearchpath(path);
2720#else
2721 if (lt_slsearchpath != (char *) NULL)
2722 lt_slsearchpath=DestroyString(lt_slsearchpath);
2723 if (path != (char *) NULL)
2724 lt_slsearchpath=AcquireString(path);
2725#endif
2726 return(0);
2727}
2728␌
2729/*
2730%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2731% %
2732% %
2733% %
2734% N T S t a t W i d e %
2735% %
2736% %
2737% %
2738%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2739%
2740% NTStatWide() gets the file attributes for a specified file.
2741%
2742% The format of the NTStatWide method is:
2743%
2744% int NTStatWide(const char *path,struct stat *attributes)
2745%
2746% A description of each parameter follows:
2747%
2748% o path: the file path.
2749%
2750% o attributes: the file attributes.
2751%
2752*/
2753MagickExport int NTStatWide(const char *path,struct stat *attributes)
2754{
2755 int
2756 status;
2757
2758 wchar_t
2759 *path_wide;
2760
2761 path_wide=NTCreateWidePath(path);
2762 if (path_wide == (WCHAR *) NULL)
2763 return(-1);
2764 status=wstat(path_wide,attributes);
2765 path_wide=(WCHAR *) RelinquishMagickMemory(path_wide);
2766 return(status);
2767}
2768␌
2769/*
2770%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2771% %
2772% %
2773% %
2774% N T S y s t e m C o m m a n d %
2775% %
2776% %
2777% %
2778%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2779%
2780% NTSystemCommand() executes the specified command and waits until it
2781% terminates. The returned value is the exit status of the command.
2782%
2783% The format of the NTSystemCommand method is:
2784%
2785% int NTSystemCommand(MagickFalse,const char *command)
2786%
2787% A description of each parameter follows:
2788%
2789% o command: This string is the command to execute.
2790%
2791% o output: an optional buffer to store the output from stderr/stdout.
2792%
2793*/
2794MagickPrivate int NTSystemCommand(const char *command,char *output)
2795{
2796#define CleanupOutputHandles \
2797 if (read_output != (HANDLE) NULL) \
2798 { \
2799 CloseHandle(read_output); \
2800 read_output=(HANDLE) NULL; \
2801 CloseHandle(write_output); \
2802 write_output=(HANDLE) NULL; \
2803 }
2804
2805#define CopyLastError \
2806 last_error=GetLastError(); \
2807 if (output != (char *) NULL) \
2808 { \
2809 error=NTGetLastErrorMessage(last_error); \
2810 if (error != (char *) NULL) \
2811 { \
2812 CopyMagickString(output,error,MaxTextExtent); \
2813 error=DestroyString(error); \
2814 } \
2815 }
2816
2817 char
2818 *error,
2819 local_command[MaxTextExtent];
2820
2821 DWORD
2822 child_status,
2823 last_error;
2824
2825 int
2826 status;
2827
2828 MagickBooleanType
2829 asynchronous;
2830
2831 HANDLE
2832 read_output,
2833 write_output;
2834
2835 PROCESS_INFORMATION
2836 process_info;
2837
2838 size_t
2839 output_offset;
2840
2841 STARTUPINFO
2842 startup_info;
2843
2844 if (command == (char *) NULL)
2845 return(-1);
2846 read_output=(HANDLE) NULL;
2847 write_output=(HANDLE) NULL;
2848 GetStartupInfo(&startup_info);
2849 startup_info.dwFlags=STARTF_USESHOWWINDOW;
2850 startup_info.wShowWindow=SW_SHOWMINNOACTIVE;
2851 (void) CopyMagickString(local_command,command,MaxTextExtent);
2852 asynchronous=command[strlen(command)-1] == '&' ? MagickTrue : MagickFalse;
2853 if (asynchronous != MagickFalse)
2854 {
2855 local_command[strlen(command)-1]='\0';
2856 startup_info.wShowWindow=SW_SHOWDEFAULT;
2857 }
2858 else
2859 {
2860 if (command[strlen(command)-1] == '|')
2861 local_command[strlen(command)-1]='\0';
2862 else
2863 startup_info.wShowWindow=SW_HIDE;
2864 read_output=(HANDLE) NULL;
2865 if (output != (char *) NULL)
2866 {
2867 if (CreatePipe(&read_output,&write_output,NULL,0))
2868 {
2869 if (SetHandleInformation(write_output,HANDLE_FLAG_INHERIT,
2870 HANDLE_FLAG_INHERIT))
2871 {
2872 startup_info.dwFlags|=STARTF_USESTDHANDLES;
2873 startup_info.hStdOutput=write_output;
2874 startup_info.hStdError=write_output;
2875 }
2876 else
2877 CleanupOutputHandles;
2878 }
2879 else
2880 read_output=(HANDLE) NULL;
2881 }
2882 }
2883 status=CreateProcess((LPCTSTR) NULL,local_command,(LPSECURITY_ATTRIBUTES)
2884 NULL,(LPSECURITY_ATTRIBUTES) NULL,(BOOL) TRUE,(DWORD)
2885 NORMAL_PRIORITY_CLASS,(LPVOID) NULL,(LPCSTR) NULL,&startup_info,
2886 &process_info);
2887 if (status == 0)
2888 {
2889 CopyLastError;
2890 CleanupOutputHandles;
2891 return(last_error == ERROR_FILE_NOT_FOUND ? 127 : -1);
2892 }
2893 if (output != (char *) NULL)
2894 *output='\0';
2895 if (asynchronous != MagickFalse)
2896 return(status == 0);
2897 output_offset=0;
2898 status=STATUS_TIMEOUT;
2899 while (status == STATUS_TIMEOUT)
2900 {
2901 DWORD
2902 size;
2903
2904 status=WaitForSingleObject(process_info.hProcess,1000);
2905 size=0;
2906 if (read_output != (HANDLE) NULL)
2907 if (!PeekNamedPipe(read_output,NULL,0,NULL,&size,NULL))
2908 break;
2909 while (size > 0)
2910 {
2911 char
2912 buffer[MagickPathExtent];
2913
2914 DWORD
2915 bytes_read;
2916
2917 if (ReadFile(read_output,buffer,MagickPathExtent-1,&bytes_read,NULL))
2918 {
2919 size_t
2920 count;
2921
2922 count=MagickMin(MagickPathExtent-output_offset,
2923 (size_t) bytes_read+1);
2924 if (count > 0)
2925 {
2926 CopyMagickString(output+output_offset,buffer,count);
2927 output_offset+=count-1;
2928 }
2929 }
2930 if (!PeekNamedPipe(read_output,NULL,0,NULL,&size,NULL))
2931 break;
2932 }
2933 }
2934 if (status != WAIT_OBJECT_0)
2935 {
2936 CopyLastError;
2937 CleanupOutputHandles;
2938 return(status);
2939 }
2940 status=GetExitCodeProcess(process_info.hProcess,&child_status);
2941 if (status == 0)
2942 {
2943 CopyLastError;
2944 CleanupOutputHandles;
2945 return(-1);
2946 }
2947 CloseHandle(process_info.hProcess);
2948 CloseHandle(process_info.hThread);
2949 CleanupOutputHandles;
2950 return((int) child_status);
2951}
2952␌
2953/*
2954%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2955% %
2956% %
2957% %
2958% N T S y s t e m C o n i f i g u r a t i o n %
2959% %
2960% %
2961% %
2962%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2963%
2964% NTSystemConfiguration() provides a way for the application to determine
2965% values for system limits or options at runtime.
2966%
2967% The format of the exit method is:
2968%
2969% ssize_t NTSystemConfiguration(int name)
2970%
2971% A description of each parameter follows:
2972%
2973% o name: _SC_PAGE_SIZE or _SC_PHYS_PAGES.
2974%
2975*/
2976MagickPrivate ssize_t NTSystemConfiguration(int name)
2977{
2978 switch (name)
2979 {
2980 case _SC_PAGE_SIZE:
2981 {
2982 SYSTEM_INFO
2983 system_info;
2984
2985 GetSystemInfo(&system_info);
2986 return(system_info.dwPageSize);
2987 }
2988 case _SC_PHYS_PAGES:
2989 {
2990 MEMORYSTATUSEX
2991 status;
2992
2993 SYSTEM_INFO
2994 system_info;
2995
2996 status.dwLength=sizeof(status);
2997 if (GlobalMemoryStatusEx(&status) == 0)
2998 return(0L);
2999 GetSystemInfo(&system_info);
3000 return((ssize_t) status.ullTotalPhys/system_info.dwPageSize);
3001 }
3002 case _SC_OPEN_MAX:
3003 return(2048);
3004 default:
3005 break;
3006 }
3007 return(-1);
3008}
3009␌
3010/*
3011%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3012% %
3013% %
3014% %
3015% N T T r u n c a t e F i l e %
3016% %
3017% %
3018% %
3019%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3020%
3021% NTTruncateFile() truncates a file to a specified length.
3022%
3023% The format of the NTTruncateFile method is:
3024%
3025% int NTTruncateFile(int file,off_t length)
3026%
3027% A description of each parameter follows:
3028%
3029% o file: the file.
3030%
3031% o length: the file length.
3032%
3033*/
3034MagickPrivate int NTTruncateFile(int file,off_t length)
3035{
3036 DWORD
3037 file_pointer;
3038
3039 HANDLE
3040 file_handle;
3041
3042 long
3043 high,
3044 low;
3045
3046 file_handle=(HANDLE) _get_osfhandle(file);
3047 if (file_handle == INVALID_HANDLE_VALUE)
3048 return(-1);
3049 low=(long) (length & 0xffffffffUL);
3050 high=(long) ((((MagickOffsetType) length) >> 32) & 0xffffffffUL);
3051 file_pointer=SetFilePointer(file_handle,low,&high,FILE_BEGIN);
3052 if ((file_pointer == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
3053 return(-1);
3054 if (SetEndOfFile(file_handle) == 0)
3055 return(-1);
3056 return(0);
3057}
3058␌
3059/*
3060%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3061% %
3062% %
3063% %
3064+ N T U n m a p M e m o r y %
3065% %
3066% %
3067% %
3068%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3069%
3070% NTUnmapMemory() emulates the Unix munmap method.
3071%
3072% The format of the NTUnmapMemory method is:
3073%
3074% int NTUnmapMemory(void *map,size_t length)
3075%
3076% A description of each parameter follows:
3077%
3078% o map: the address of the binary large object.
3079%
3080% o length: the length of the binary large object.
3081%
3082*/
3083MagickPrivate int NTUnmapMemory(void *map,size_t length)
3084{
3085 (void) length;
3086 if (UnmapViewOfFile(map) == 0)
3087 return(-1);
3088 return(0);
3089}
3090␌
3091/*
3092%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3093% %
3094% %
3095% %
3096% N T U s e r T i m e %
3097% %
3098% %
3099% %
3100%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3101%
3102% NTUserTime() returns the total time the process has been scheduled (e.g.
3103% seconds) since the last call to StartTimer().
3104%
3105% The format of the UserTime method is:
3106%
3107% double NTUserTime(void)
3108%
3109*/
3110MagickPrivate double NTUserTime(void)
3111{
3112 DWORD
3113 status;
3114
3115 FILETIME
3116 create_time,
3117 exit_time;
3118
3119 OSVERSIONINFO
3120 OsVersionInfo;
3121
3122 union
3123 {
3124 FILETIME
3125 filetime;
3126
3127 __int64
3128 filetime64;
3129 } kernel_time;
3130
3131 union
3132 {
3133 FILETIME
3134 filetime;
3135
3136 __int64
3137 filetime64;
3138 } user_time;
3139
3140 OsVersionInfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
3141 GetVersionEx(&OsVersionInfo);
3142 if (OsVersionInfo.dwPlatformId != VER_PLATFORM_WIN32_NT)
3143 return(NTElapsedTime());
3144 status=GetProcessTimes(GetCurrentProcess(),&create_time,&exit_time,
3145 &kernel_time.filetime,&user_time.filetime);
3146 if (status != TRUE)
3147 return(0.0);
3148 return((double) 1.0e-7*(kernel_time.filetime64+user_time.filetime64));
3149}
3150␌
3151/*
3152%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3153% %
3154% %
3155% %
3156% N T W a r n i n g H a n d l e r %
3157% %
3158% %
3159% %
3160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3161%
3162% NTWarningHandler() displays a warning reason.
3163%
3164% The format of the NTWarningHandler method is:
3165%
3166% void NTWarningHandler(const ExceptionType severity,const char *reason,
3167% const char *description)
3168%
3169% A description of each parameter follows:
3170%
3171% o severity: Specifies the numeric warning category.
3172%
3173% o reason: Specifies the reason to display before terminating the
3174% program.
3175%
3176% o description: Specifies any description to the reason.
3177%
3178*/
3179MagickPrivate void NTWarningHandler(const ExceptionType severity,
3180 const char *reason,const char *description)
3181{
3182 char
3183 buffer[2*MaxTextExtent];
3184
3185 (void) severity;
3186 if (reason == (char *) NULL)
3187 return;
3188 if (description == (char *) NULL)
3189 (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s.\n",GetClientName(),
3190 reason);
3191 else
3192 (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s).\n",
3193 GetClientName(),reason,description);
3194 (void) MessageBox(NULL,buffer,"ImageMagick Warning",MB_OK | MB_TASKMODAL |
3195 MB_SETFOREGROUND | MB_ICONINFORMATION);
3196}
3197␌
3198/*
3199%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3200% %
3201% %
3202% %
3203% N T W i n d o w s G e n e s i s %
3204% %
3205% %
3206% %
3207%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3208%
3209% NTWindowsGenesis() initializes the MagickCore Windows environment.
3210%
3211% The format of the NTWindowsGenesis method is:
3212%
3213% void NTWindowsGenesis(void)
3214%
3215*/
3216MagickPrivate void NTWindowsGenesis(void)
3217{
3218 char
3219 *mode;
3220
3221 mode=GetEnvironmentValue("MAGICK_ERRORMODE");
3222 if (mode != (char *) NULL)
3223 {
3224 (void) SetErrorMode(StringToInteger(mode));
3225 mode=DestroyString(mode);
3226 }
3227#if defined(_DEBUG) && !defined(__MINGW32__)
3228 if (IsEventLogging() != MagickFalse)
3229 {
3230 int
3231 debug;
3232
3233 debug=_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
3234 //debug |= _CRTDBG_CHECK_ALWAYS_DF;
3235 debug |= _CRTDBG_DELAY_FREE_MEM_DF;
3236 debug |= _CRTDBG_LEAK_CHECK_DF;
3237 (void) _CrtSetDbgFlag(debug);
3238
3239 //_ASSERTE(_CrtCheckMemory());
3240
3241 //_CrtSetBreakAlloc(42);
3242 }
3243#endif
3244#if defined(MAGICKCORE_INSTALLED_SUPPORT)
3245 {
3246 unsigned char
3247 *path;
3248
3249 path=NTRegistryKeyLookup("LibPath");
3250 if (path != (unsigned char *) NULL)
3251 {
3252 wchar_t
3253 *lib_path;
3254
3255 lib_path=NTCreateWidePath((const char *) path);
3256 if (lib_path != (wchar_t *) NULL)
3257 {
3258 SetDllDirectoryW(lib_path);
3259 lib_path=(wchar_t *) RelinquishMagickMemory(lib_path);
3260 }
3261 path=(unsigned char *) RelinquishMagickMemory(path);
3262 }
3263 }
3264#endif
3265}
3266␌
3267/*
3268%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3269% %
3270% %
3271% %
3272% N T W i n d o w s T e r m i n u s %
3273% %
3274% %
3275% %
3276%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3277%
3278% NTWindowsTerminus() terminates the MagickCore Windows environment.
3279%
3280% The format of the NTWindowsTerminus method is:
3281%
3282% void NTWindowsTerminus(void)
3283%
3284*/
3285MagickPrivate void NTWindowsTerminus(void)
3286{
3287 NTGhostscriptUnLoadDLL();
3288 if (winsock_semaphore == (SemaphoreInfo *) NULL)
3289 ActivateSemaphoreInfo(&winsock_semaphore);
3290 LockSemaphoreInfo(winsock_semaphore);
3291 if (wsaData != (WSADATA *) NULL)
3292 {
3293 WSACleanup();
3294 wsaData=(WSADATA *) RelinquishMagickMemory((void *) wsaData);
3295 }
3296 UnlockSemaphoreInfo(winsock_semaphore);
3297 DestroySemaphoreInfo(&winsock_semaphore);
3298}
3299#endif
dirent
Definition mac.h:54