| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N N TTTTT % |
| % NN N T % |
| % N N N T % |
| % N NN T % |
| % N N T % |
| % % |
| % % |
| % Windows NT Utility Methods for MagickCore % |
| % % |
| % Software Design % |
| % John Cristy % |
| % December 1996 % |
| % % |
| % % |
| % Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % http://www.imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #if defined(MAGICKCORE_WINDOWS_SUPPORT) |
| #include "MagickCore/client.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/locale_.h" |
| #include "MagickCore/log.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/nt-base.h" |
| #include "MagickCore/nt-base-private.h" |
| #include "MagickCore/resource_.h" |
| #include "MagickCore/resource-private.h" |
| #include "MagickCore/timer.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/utility.h" |
| #include "MagickCore/version.h" |
| #if defined(MAGICKCORE_LTDL_DELEGATE) |
| # include "ltdl.h" |
| #endif |
| #include "MagickCore/nt-base-private.h" |
| #if defined(MAGICKCORE_CIPHER_SUPPORT) |
| #include <ntsecapi.h> |
| #include <wincrypt.h> |
| #endif |
| |
| /* |
| Define declarations. |
| */ |
| #if !defined(MAP_FAILED) |
| #define MAP_FAILED ((void *) -1) |
| #endif |
| |
| /* |
| Static declarations. |
| */ |
| #if !defined(MAGICKCORE_LTDL_DELEGATE) |
| static char |
| *lt_slsearchpath = (char *) NULL; |
| #endif |
| |
| static GhostInfo |
| ghost_info; |
| |
| static void |
| *ghost_handle = (void *) NULL; |
| |
| /* |
| External declarations. |
| */ |
| #if !defined(MAGICKCORE_WINDOWS_SUPPORT) |
| extern "C" BOOL WINAPI |
| DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved); |
| #endif |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % D l l M a i n % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % DllMain() is an entry point to the DLL which is called when processes and |
| % threads are initialized and terminated, or upon calls to the Windows |
| % LoadLibrary and FreeLibrary functions. |
| % |
| % The function returns TRUE of it succeeds, or FALSE if initialization fails. |
| % |
| % The format of the DllMain method is: |
| % |
| % BOOL WINAPI DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved) |
| % |
| % A description of each parameter follows: |
| % |
| % o handle: handle to the DLL module |
| % |
| % o reason: reason for calling function: |
| % |
| % DLL_PROCESS_ATTACH - DLL is being loaded into virtual address |
| % space of current process. |
| % DLL_THREAD_ATTACH - Indicates that the current process is |
| % creating a new thread. Called under the |
| % context of the new thread. |
| % DLL_THREAD_DETACH - Indicates that the thread is exiting. |
| % Called under the context of the exiting |
| % thread. |
| % DLL_PROCESS_DETACH - Indicates that the DLL is being unloaded |
| % from the virtual address space of the |
| % current process. |
| % |
| % o lpvReserved: Used for passing additional info during DLL_PROCESS_ATTACH |
| % and DLL_PROCESS_DETACH. |
| % |
| */ |
| #if defined(_DLL) && defined( ProvideDllMain ) |
| BOOL WINAPI DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved) |
| { |
| switch (reason) |
| { |
| case DLL_PROCESS_ATTACH: |
| { |
| char |
| *module_path; |
| |
| ssize_t |
| count; |
| |
| module_path=(char *) AcquireQuantumMemory(MaxTextExtent, |
| sizeof(*module_path)); |
| if (module_path == (char *) NULL) |
| return(FALSE); |
| count=(ssize_t) GetModuleFileName(handle,module_path,MaxTextExtent); |
| if (count != 0) |
| { |
| char |
| *path; |
| |
| for ( ; count > 0; count--) |
| if (module_path[count] == '\\') |
| { |
| module_path[count+1]='\0'; |
| break; |
| } |
| MagickCoreGenesis(module_path,MagickFalse); |
| path=(char *) AcquireQuantumMemory(16UL*MaxTextExtent,sizeof(*path)); |
| if (path == (char *) NULL) |
| { |
| module_path=DestroyString(module_path); |
| return(FALSE); |
| } |
| count=(ssize_t) GetEnvironmentVariable("PATH",path,16*MaxTextExtent); |
| if ((count != 0) && (strstr(path,module_path) == (char *) NULL)) |
| { |
| if ((strlen(module_path)+count+1) < (16*MaxTextExtent-1)) |
| { |
| char |
| *variable; |
| |
| variable=(char *) AcquireQuantumMemory(16UL*MaxTextExtent, |
| sizeof(*variable)); |
| if (variable == (char *) NULL) |
| { |
| path=DestroyString(path); |
| module_path=DestroyString(module_path); |
| return(FALSE); |
| } |
| (void) FormatLocaleString(variable,16*MaxTextExtent, |
| "%s;%s",module_path,path); |
| SetEnvironmentVariable("PATH",variable); |
| variable=DestroyString(variable); |
| } |
| } |
| path=DestroyString(path); |
| } |
| module_path=DestroyString(module_path); |
| break; |
| } |
| case DLL_PROCESS_DETACH: |
| { |
| MagickCoreTerminus(); |
| break; |
| } |
| default: |
| break; |
| } |
| return(TRUE); |
| } |
| #endif |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % E x i t % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % Exit() calls TerminateProcess for Win95. |
| % |
| % The format of the exit method is: |
| % |
| % int Exit(int status) |
| % |
| % A description of each parameter follows: |
| % |
| % o status: an integer value representing the status of the terminating |
| % process. |
| % |
| */ |
| MagickPrivate int Exit(int status) |
| { |
| if (IsWindows95()) |
| TerminateProcess(GetCurrentProcess(),(unsigned int) status); |
| exit(status); |
| return(0); |
| } |
| |
| #if !defined(__MINGW32__) && !defined(__MINGW64__) |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % g e t t i m e o f d a y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % The gettimeofday() method get the time of day. |
| % |
| % The format of the gettimeofday method is: |
| % |
| % int gettimeofday(struct timeval *time_value,struct timezone *time_zone) |
| % |
| % A description of each parameter follows: |
| % |
| % o time_value: the time value. |
| % |
| % o time_zone: the time zone. |
| % |
| */ |
| MagickPrivate int gettimeofday (struct timeval *time_value, |
| struct timezone *time_zone) |
| { |
| #define EpochFiletime MagickLLConstant(116444736000000000) |
| |
| static int |
| is_tz_set; |
| |
| if (time_value != (struct timeval *) NULL) |
| { |
| FILETIME |
| file_time; |
| |
| __int64 |
| time; |
| |
| LARGE_INTEGER |
| date_time; |
| |
| GetSystemTimeAsFileTime(&file_time); |
| date_time.LowPart=file_time.dwLowDateTime; |
| date_time.HighPart=file_time.dwHighDateTime; |
| time=date_time.QuadPart; |
| time-=EpochFiletime; |
| time/=10; |
| time_value->tv_sec=(ssize_t) (time / 1000000); |
| time_value->tv_usec=(ssize_t) (time % 1000000); |
| } |
| if (time_zone != (struct timezone *) NULL) |
| { |
| if (is_tz_set == 0) |
| { |
| _tzset(); |
| is_tz_set++; |
| } |
| time_zone->tz_minuteswest=_timezone/60; |
| time_zone->tz_dsttime=_daylight; |
| } |
| return(0); |
| } |
| #endif |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % I s W i n d o w s 9 5 % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % IsWindows95() returns true if the system is Windows 95. |
| % |
| % The format of the IsWindows95 method is: |
| % |
| % int IsWindows95() |
| % |
| */ |
| MagickPrivate int IsWindows95() |
| { |
| OSVERSIONINFO |
| version_info; |
| |
| version_info.dwOSVersionInfoSize=sizeof(version_info); |
| if (GetVersionEx(&version_info) && |
| (version_info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)) |
| return(1); |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T A r g v T o U T F 8 % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTArgvToUTF8() converts the wide command line arguments to UTF-8 to ensure |
| % compatibility with Linux. |
| % |
| % The format of the NTArgvToUTF8 method is: |
| % |
| % char **NTArgvToUTF8(const int argc,wchar_t **argv) |
| % |
| % A description of each parameter follows: |
| % |
| % o argc: the number of command line arguments. |
| % |
| % o argv: the wide-character command line arguments. |
| % |
| */ |
| MagickPrivate char **NTArgvToUTF8(const int argc,wchar_t **argv) |
| { |
| char |
| **utf8; |
| |
| ssize_t |
| i; |
| |
| utf8=(char **) AcquireQuantumMemory(argc,sizeof(*utf8)); |
| if (utf8 == (char **) NULL) |
| ThrowFatalException(ResourceLimitFatalError,"UnableToConvertStringToARGV"); |
| for (i=0; i < (ssize_t) argc; i++) |
| { |
| ssize_t |
| count; |
| |
| count=WideCharToMultiByte(CP_UTF8,0,argv[i],-1,NULL,0,NULL,NULL); |
| if (count < 0) |
| count=0; |
| utf8[i]=(char *) AcquireQuantumMemory(count+1,sizeof(**utf8)); |
| if (utf8[i] == (char *) NULL) |
| { |
| for (i--; i >= 0; i--) |
| utf8[i]=DestroyString(utf8[i]); |
| utf8=(char **) RelinquishMagickMemory(utf8); |
| ThrowFatalException(ResourceLimitFatalError, |
| "UnableToConvertStringToARGV"); |
| } |
| count=WideCharToMultiByte(CP_UTF8,0,argv[i],-1,utf8[i],count,NULL,NULL); |
| utf8[i][count]=0; |
| } |
| return(utf8); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T C l o s e D i r e c t o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTCloseDirectory() closes the named directory stream and frees the DIR |
| % structure. |
| % |
| % The format of the NTCloseDirectory method is: |
| % |
| % int NTCloseDirectory(DIR *entry) |
| % |
| % A description of each parameter follows: |
| % |
| % o entry: Specifies a pointer to a DIR structure. |
| % |
| */ |
| MagickPrivate int NTCloseDirectory(DIR *entry) |
| { |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| assert(entry != (DIR *) NULL); |
| FindClose(entry->hSearch); |
| entry=(DIR *) RelinquishMagickMemory(entry); |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T C l o s e L i b r a r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTCloseLibrary() unloads the module associated with the passed handle. |
| % |
| % The format of the NTCloseLibrary method is: |
| % |
| % void NTCloseLibrary(void *handle) |
| % |
| % A description of each parameter follows: |
| % |
| % o handle: Specifies a handle to a previously loaded dynamic module. |
| % |
| */ |
| MagickPrivate int NTCloseLibrary(void *handle) |
| { |
| if (IsWindows95()) |
| return(FreeLibrary((HINSTANCE) handle)); |
| return(!(FreeLibrary((HINSTANCE) handle))); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T C o n t r o l H a n d l e r % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTControlHandler() registers a control handler that is activated when, for |
| % example, a ctrl-c is received. |
| % |
| % The format of the NTControlHandler method is: |
| % |
| % int NTControlHandler(void) |
| % |
| */ |
| |
| static BOOL ControlHandler(DWORD type) |
| { |
| (void) type; |
| AsynchronousResourceComponentTerminus(); |
| return(FALSE); |
| } |
| |
| MagickPrivate int NTControlHandler(void) |
| { |
| return(SetConsoleCtrlHandler((PHANDLER_ROUTINE) ControlHandler,TRUE)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T E l a p s e d T i m e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTElapsedTime() returns the elapsed time (in seconds) since the last call to |
| % StartTimer(). |
| % |
| % The format of the ElapsedTime method is: |
| % |
| % double NTElapsedTime(void) |
| % |
| */ |
| MagickPrivate double NTElapsedTime(void) |
| { |
| union |
| { |
| FILETIME |
| filetime; |
| |
| __int64 |
| filetime64; |
| } elapsed_time; |
| |
| SYSTEMTIME |
| system_time; |
| |
| GetSystemTime(&system_time); |
| SystemTimeToFileTime(&system_time,&elapsed_time.filetime); |
| return((double) 1.0e-7*elapsed_time.filetime64); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| + N T E r r o r H a n d l e r % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTErrorHandler() displays an error reason and then terminates the program. |
| % |
| % The format of the NTErrorHandler method is: |
| % |
| % void NTErrorHandler(const ExceptionType severity,const char *reason, |
| % const char *description) |
| % |
| % A description of each parameter follows: |
| % |
| % o severity: Specifies the numeric error category. |
| % |
| % o reason: Specifies the reason to display before terminating the |
| % program. |
| % |
| % o description: Specifies any description to the reason. |
| % |
| */ |
| MagickPrivate void NTErrorHandler(const ExceptionType severity, |
| const char *reason,const char *description) |
| { |
| char |
| buffer[3*MaxTextExtent], |
| *message; |
| |
| (void) severity; |
| if (reason == (char *) NULL) |
| { |
| MagickCoreTerminus(); |
| exit(0); |
| } |
| message=GetExceptionMessage(errno); |
| if ((description != (char *) NULL) && errno) |
| (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s) [%s].\n", |
| GetClientName(),reason,description,message); |
| else |
| if (description != (char *) NULL) |
| (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s).\n", |
| GetClientName(),reason,description); |
| else |
| if (errno != 0) |
| (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s [%s].\n", |
| GetClientName(),reason,message); |
| else |
| (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s.\n", |
| GetClientName(),reason); |
| message=DestroyString(message); |
| (void) MessageBox(NULL,buffer,"ImageMagick Exception",MB_OK | MB_TASKMODAL | |
| MB_SETFOREGROUND | MB_ICONEXCLAMATION); |
| MagickCoreTerminus(); |
| exit(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T E x i t L i b r a r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTExitLibrary() exits the dynamic module loading subsystem. |
| % |
| % The format of the NTExitLibrary method is: |
| % |
| % int NTExitLibrary(void) |
| % |
| */ |
| MagickPrivate int NTExitLibrary(void) |
| { |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G a t h e r R a n d o m D a t a % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGatherRandomData() gathers random data and returns it. |
| % |
| % The format of the GatherRandomData method is: |
| % |
| % MagickBooleanType NTGatherRandomData(const size_t length, |
| % unsigned char *random) |
| % |
| % A description of each parameter follows: |
| % |
| % length: the length of random data buffer |
| % |
| % random: the random data is returned here. |
| % |
| */ |
| MagickPrivate MagickBooleanType NTGatherRandomData(const size_t length, |
| unsigned char *random) |
| { |
| #if defined(MAGICKCORE_CIPHER_SUPPORT) && defined(_MSC_VER) && (_MSC_VER > 1200) |
| HCRYPTPROV |
| handle; |
| |
| int |
| status; |
| |
| handle=(HCRYPTPROV) NULL; |
| status=CryptAcquireContext(&handle,NULL,MS_DEF_PROV,PROV_RSA_FULL, |
| (CRYPT_VERIFYCONTEXT | CRYPT_MACHINE_KEYSET)); |
| if (status == 0) |
| status=CryptAcquireContext(&handle,NULL,MS_DEF_PROV,PROV_RSA_FULL, |
| (CRYPT_VERIFYCONTEXT | CRYPT_MACHINE_KEYSET | CRYPT_NEWKEYSET)); |
| if (status == 0) |
| return(MagickFalse); |
| status=CryptGenRandom(handle,(DWORD) length,random); |
| if (status == 0) |
| { |
| status=CryptReleaseContext(handle,0); |
| return(MagickFalse); |
| } |
| status=CryptReleaseContext(handle,0); |
| if (status == 0) |
| return(MagickFalse); |
| #else |
| (void) random; |
| (void) length; |
| #endif |
| return(MagickTrue); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G e t E x e c u t i o n P a t h % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGetExecutionPath() returns the execution path of a program. |
| % |
| % The format of the GetExecutionPath method is: |
| % |
| % MagickBooleanType NTGetExecutionPath(char *path,const size_t extent) |
| % |
| % A description of each parameter follows: |
| % |
| % o path: the pathname of the executable that started the process. |
| % |
| % o extent: the maximum extent of the path. |
| % |
| */ |
| MagickPrivate MagickBooleanType NTGetExecutionPath(char *path, |
| const size_t extent) |
| { |
| GetModuleFileName(0,path,(DWORD) extent); |
| return(MagickTrue); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G e t L a s t E r r o r % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGetLastError() returns the last error that occurred. |
| % |
| % The format of the NTGetLastError method is: |
| % |
| % char *NTGetLastError(void) |
| % |
| */ |
| char *NTGetLastError(void) |
| { |
| char |
| *reason; |
| |
| int |
| status; |
| |
| LPVOID |
| buffer; |
| |
| status=FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | |
| FORMAT_MESSAGE_FROM_SYSTEM,NULL,GetLastError(), |
| MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR) &buffer,0,NULL); |
| if (!status) |
| reason=AcquireString("An unknown error occurred"); |
| else |
| { |
| reason=AcquireString((const char *) buffer); |
| LocalFree(buffer); |
| } |
| return(reason); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G e t L i b r a r y E r r o r % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % Lt_dlerror() returns a pointer to a string describing the last error |
| % associated with a lt_dl method. Note that this function is not thread |
| % safe so it should only be used under the protection of a lock. |
| % |
| % The format of the NTGetLibraryError method is: |
| % |
| % const char *NTGetLibraryError(void) |
| % |
| */ |
| MagickPrivate const char *NTGetLibraryError(void) |
| { |
| static char |
| last_error[MaxTextExtent]; |
| |
| char |
| *error; |
| |
| *last_error='\0'; |
| error=NTGetLastError(); |
| if (error) |
| (void) CopyMagickString(last_error,error,MaxTextExtent); |
| error=DestroyString(error); |
| return(last_error); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G e t L i b r a r y S y m b o l % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGetLibrarySymbol() retrieve the procedure address of the method |
| % specified by the passed character string. |
| % |
| % The format of the NTGetLibrarySymbol method is: |
| % |
| % void *NTGetLibrarySymbol(void *handle,const char *name) |
| % |
| % A description of each parameter follows: |
| % |
| % o handle: Specifies a handle to the previously loaded dynamic module. |
| % |
| % o name: Specifies the procedure entry point to be returned. |
| % |
| */ |
| void *NTGetLibrarySymbol(void *handle,const char *name) |
| { |
| LPFNDLLFUNC1 |
| lpfnDllFunc1; |
| |
| lpfnDllFunc1=(LPFNDLLFUNC1) GetProcAddress((HINSTANCE) handle,name); |
| if (!lpfnDllFunc1) |
| return((void *) NULL); |
| return((void *) lpfnDllFunc1); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G e t M o d u l e P a t h % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGetModulePath() returns the path of the specified module. |
| % |
| % The format of the GetModulePath method is: |
| % |
| % MagickBooleanType NTGetModulePath(const char *module,char *path) |
| % |
| % A description of each parameter follows: |
| % |
| % modith: the module name. |
| % |
| % path: the module path is returned here. |
| % |
| */ |
| MagickPrivate MagickBooleanType NTGetModulePath(const char *module,char *path) |
| { |
| char |
| module_path[MaxTextExtent]; |
| |
| HMODULE |
| handle; |
| |
| ssize_t |
| length; |
| |
| *path='\0'; |
| handle=GetModuleHandle(module); |
| if (handle == (HMODULE) NULL) |
| return(MagickFalse); |
| length=GetModuleFileName(handle,module_path,MaxTextExtent); |
| if (length != 0) |
| GetPathComponent(module_path,HeadPath,path); |
| return(MagickTrue); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G h o s t s c r i p t D L L % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGhostscriptDLL() returns the path to the most recent Ghostscript version |
| % DLL. The method returns TRUE on success otherwise FALSE. |
| % |
| % The format of the NTGhostscriptDLL method is: |
| % |
| % int NTGhostscriptDLL(char *path,int length) |
| % |
| % A description of each parameter follows: |
| % |
| % o path: return the Ghostscript DLL path here. |
| % |
| % o length: the buffer length. |
| % |
| */ |
| |
| static int NTGetRegistryValue(HKEY root,const char *key,DWORD flags,const char *name, |
| char *value,int *length) |
| { |
| BYTE |
| byte, |
| *p; |
| |
| DWORD |
| extent, |
| type; |
| |
| HKEY |
| hkey; |
| |
| LONG |
| status; |
| |
| /* |
| Get a registry value: key = root\\key, named value = name. |
| */ |
| if (RegOpenKeyExA(root,key,0,KEY_READ | flags,&hkey) != ERROR_SUCCESS) |
| return(1); /* no match */ |
| p=(BYTE *) value; |
| type=REG_SZ; |
| extent=(*length); |
| if (p == (BYTE *) NULL) |
| p=(&byte); /* ERROR_MORE_DATA only if value is NULL */ |
| status=RegQueryValueExA(hkey,(char *) name,0,&type,p,&extent); |
| RegCloseKey(hkey); |
| if (status == ERROR_SUCCESS) |
| { |
| *length=extent; |
| return(0); /* return the match */ |
| } |
| if (status == ERROR_MORE_DATA) |
| { |
| *length=extent; |
| return(-1); /* buffer not large enough */ |
| } |
| return(1); /* not found */ |
| } |
| |
| static int NTLocateGhostscript(DWORD flags,const char **product_family,int *major_version, |
| int *minor_version) |
| { |
| int |
| i; |
| |
| MagickBooleanType |
| status; |
| |
| static const char |
| *products[4] = |
| { |
| "GPL Ghostscript", |
| "GNU Ghostscript", |
| "AFPL Ghostscript", |
| "Aladdin Ghostscript" |
| }; |
| |
| /* |
| Find the most recent version of Ghostscript. |
| */ |
| status=FALSE; |
| *product_family=NULL; |
| *major_version=5; |
| *minor_version=49; /* min version of Ghostscript is 5.50 */ |
| for (i=0; i < (ssize_t) (sizeof(products)/sizeof(products[0])); i++) |
| { |
| char |
| key[MaxTextExtent]; |
| |
| HKEY |
| hkey, |
| root; |
| |
| REGSAM |
| mode; |
| |
| (void) FormatLocaleString(key,MaxTextExtent,"SOFTWARE\\%s",products[i]); |
| root=HKEY_LOCAL_MACHINE; |
| mode=KEY_READ | flags; |
| if (RegOpenKeyExA(root,key,0,mode,&hkey) == ERROR_SUCCESS) |
| { |
| DWORD |
| extent; |
| |
| int |
| j; |
| |
| /* |
| Now enumerate the keys. |
| */ |
| extent=sizeof(key)/sizeof(char); |
| for (j=0; RegEnumKeyA(hkey,j,key,extent) == ERROR_SUCCESS; j++) |
| { |
| int |
| major, |
| minor; |
| |
| major=0; |
| minor=0; |
| if (sscanf(key,"%d.%d",&major,&minor) != 2) |
| continue; |
| if ((major > *major_version) || ((major == *major_version) && |
| (minor > *minor_version))) |
| { |
| *product_family=products[i]; |
| *major_version=major; |
| *minor_version=minor; |
| status=TRUE; |
| } |
| } |
| (void) RegCloseKey(hkey); |
| } |
| } |
| if (status == FALSE) |
| { |
| *major_version=0; |
| *minor_version=0; |
| } |
| (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"Ghostscript (%s) " |
| "version %d.%02d",*product_family,*major_version,*minor_version); |
| return(status); |
| } |
| |
| static BOOL NTIs64BitPlatform() |
| { |
| #if defined(_WIN64) || !defined(KEY_WOW64_32KEY) |
| return(TRUE); |
| #else |
| BOOL is64=FALSE; |
| return(IsWow64Process(GetCurrentProcess(), &is64) && is64); |
| #endif |
| } |
| |
| static int NTGhostscriptGetString(const char *name,BOOL *is_64_bit,char *value, |
| const size_t length) |
| { |
| char |
| key[MaxTextExtent]; |
| |
| int |
| i, |
| extent; |
| |
| static const char |
| *product_family = (const char *) NULL; |
| |
| static BOOL |
| is_64_bit_version = FALSE; |
| |
| static int |
| flags=0, |
| major_version=0, |
| minor_version=0; |
| |
| struct |
| { |
| const HKEY |
| hkey; |
| |
| const char |
| *name; |
| } |
| hkeys[2] = |
| { |
| { HKEY_CURRENT_USER, "HKEY_CURRENT_USER" }, |
| { HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE" } |
| }; |
| |
| /* |
| Get a string from the installed Ghostscript. |
| */ |
| if (is_64_bit!=NULL) |
| *is_64_bit=FALSE; |
| *value='\0'; |
| if (product_family == NULL) |
| { |
| flags=0; |
| #if defined(KEY_WOW64_32KEY) |
| flags=NTIs64BitPlatform() ? KEY_WOW64_64KEY : 0; |
| #endif |
| (void) NTLocateGhostscript(flags,&product_family,&major_version, |
| &minor_version); |
| if (product_family == NULL) |
| { |
| if (flags!=0) |
| { |
| /* |
| We are running on a 64 bit platform - check for a 32 bit Ghostscript. |
| */ |
| flags=0; |
| #if defined(KEY_WOW64_32KEY) |
| flags=KEY_WOW64_32KEY; |
| #endif |
| (void) NTLocateGhostscript(flags,&product_family,&major_version, |
| &minor_version); |
| } |
| } |
| else |
| is_64_bit_version=NTIs64BitPlatform(); |
| } |
| if (is_64_bit!=NULL) |
| *is_64_bit=is_64_bit_version; |
| if (product_family == NULL) |
| return(FALSE); |
| (void) FormatLocaleString(key,MaxTextExtent,"SOFTWARE\\%s\\%d.%02d", |
| product_family,major_version,minor_version); |
| for (i=0; i < (ssize_t) (sizeof(hkeys)/sizeof(hkeys[0])); i++) |
| { |
| extent=(int) length; |
| if (NTGetRegistryValue(hkeys[i].hkey,key,flags,name,value,&extent) == 0) |
| { |
| (void) LogMagickEvent(ConfigureEvent,GetMagickModule(), |
| "registry: \"%s\\%s\\%s\"=\"%s\"",hkeys[i].name,key,name,value); |
| return(TRUE); |
| } |
| (void) LogMagickEvent(ConfigureEvent,GetMagickModule(), |
| "registry: \"%s\\%s\\%s\" (failed)",hkeys[i].name,key,name); |
| } |
| return(FALSE); |
| } |
| |
| MagickPrivate int NTGhostscriptDLL(char *path,int length) |
| { |
| static char |
| dll[MaxTextExtent] = { "" }; |
| |
| static BOOL |
| is_64_bit_version; |
| |
| *path='\0'; |
| if ((*dll == '\0') && |
| (NTGhostscriptGetString("GS_DLL",&is_64_bit_version,dll,sizeof(dll)) == FALSE)) |
| return(FALSE); |
| |
| #if defined(_WIN64) |
| if (!is_64_bit_version) |
| return(FALSE); |
| #else |
| if (is_64_bit_version) |
| return(FALSE); |
| #endif |
| (void) CopyMagickString(path,dll,length); |
| return(TRUE); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G h o s t s c r i p t D L L V e c t o r s % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGhostscriptDLLVectors() returns a GhostInfo structure that includes |
| % function vectors to invoke Ghostscript DLL functions. A null pointer is |
| % returned if there is an error when loading the DLL or retrieving the |
| % function vectors. |
| % |
| % The format of the NTGhostscriptDLLVectors method is: |
| % |
| % const GhostInfo *NTGhostscriptDLLVectors(void) |
| % |
| */ |
| MagickPrivate const GhostInfo *NTGhostscriptDLLVectors(void) |
| { |
| if (NTGhostscriptLoadDLL() == FALSE) |
| return((GhostInfo *) NULL); |
| return(&ghost_info); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G h o s t s c r i p t E X E % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGhostscriptEXE() obtains the path to the latest Ghostscript executable. |
| % The method returns FALSE if a full path value is not obtained and returns |
| % a default path of gswin32c.exe. |
| % |
| % The format of the NTGhostscriptEXE method is: |
| % |
| % int NTGhostscriptEXE(char *path,int length) |
| % |
| % A description of each parameter follows: |
| % |
| % o path: return the Ghostscript executable path here. |
| % |
| % o length: length of buffer. |
| % |
| */ |
| MagickPrivate int NTGhostscriptEXE(char *path,int length) |
| { |
| register char |
| *p; |
| |
| static char |
| program[MaxTextExtent] = { "" }; |
| |
| static BOOL |
| is_64_bit_version = FALSE; |
| |
| (void) CopyMagickString(path,"gswin32c.exe",length); |
| if ((*program == '\0') && |
| (NTGhostscriptGetString("GS_DLL",&is_64_bit_version,program,sizeof(program)) == FALSE)) |
| return(FALSE); |
| p=strrchr(program,'\\'); |
| if (p != (char *) NULL) |
| { |
| p++; |
| *p='\0'; |
| (void) ConcatenateMagickString(program,is_64_bit_version ? "gswin64c.exe" : "gswin32c.exe",sizeof(program)); |
| } |
| (void) CopyMagickString(path,program,length); |
| return(TRUE); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G h o s t s c r i p t F o n t s % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGhostscriptFonts() obtains the path to the Ghostscript fonts. The method |
| % returns FALSE if it cannot determine the font path. |
| % |
| % The format of the NTGhostscriptFonts method is: |
| % |
| % int NTGhostscriptFonts(char *path, int length) |
| % |
| % A description of each parameter follows: |
| % |
| % o path: return the font path here. |
| % |
| % o length: length of the path buffer. |
| % |
| */ |
| MagickPrivate int NTGhostscriptFonts(char *path,int length) |
| { |
| char |
| buffer[MaxTextExtent], |
| filename[MaxTextExtent]; |
| |
| register char |
| *p, |
| *q; |
| |
| *path='\0'; |
| if (NTGhostscriptGetString("GS_LIB",NULL,buffer,MaxTextExtent) == FALSE) |
| return(FALSE); |
| for (p=buffer-1; p != (char *) NULL; p=strchr(p+1,DirectoryListSeparator)) |
| { |
| (void) CopyMagickString(path,p+1,length+1); |
| q=strchr(path,DirectoryListSeparator); |
| if (q != (char *) NULL) |
| *q='\0'; |
| (void) FormatLocaleString(filename,MaxTextExtent,"%s%sfonts.dir",path, |
| DirectorySeparator); |
| if (IsPathAccessible(filename) != MagickFalse) |
| return(TRUE); |
| } |
| return(FALSE); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G h o s t s c r i p t L o a d D L L % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGhostscriptLoadDLL() attempts to load the Ghostscript DLL and returns |
| % TRUE if it succeeds. |
| % |
| % The format of the NTGhostscriptLoadDLL method is: |
| % |
| % int NTGhostscriptLoadDLL(void) |
| % |
| */ |
| MagickPrivate int NTGhostscriptLoadDLL(void) |
| { |
| char |
| path[MaxTextExtent]; |
| |
| if (ghost_handle != (void *) NULL) |
| return(TRUE); |
| if (NTGhostscriptDLL(path,sizeof(path)) == FALSE) |
| return(FALSE); |
| ghost_handle=lt_dlopen(path); |
| if (ghost_handle == (void *) NULL) |
| return(FALSE); |
| (void) ResetMagickMemory((void *) &ghost_info,0,sizeof(GhostInfo)); |
| ghost_info.exit=(int (MagickDLLCall *)(gs_main_instance*)) |
| lt_dlsym(ghost_handle,"gsapi_exit"); |
| ghost_info.init_with_args=(int (MagickDLLCall *)(gs_main_instance *,int, |
| char **)) (lt_dlsym(ghost_handle,"gsapi_init_with_args")); |
| ghost_info.new_instance=(int (MagickDLLCall *)(gs_main_instance **,void *)) ( |
| lt_dlsym(ghost_handle,"gsapi_new_instance")); |
| ghost_info.run_string=(int (MagickDLLCall *)(gs_main_instance *,const char *, |
| int,int *)) (lt_dlsym(ghost_handle,"gsapi_run_string")); |
| ghost_info.delete_instance=(void (MagickDLLCall *) (gs_main_instance *)) ( |
| lt_dlsym(ghost_handle,"gsapi_delete_instance")); |
| if ((ghost_info.exit == NULL) || (ghost_info.init_with_args == NULL) || |
| (ghost_info.new_instance == NULL) || (ghost_info.run_string == NULL) || |
| (ghost_info.delete_instance == NULL)) |
| return(FALSE); |
| return(TRUE); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T G h o s t s c r i p t U n L o a d D L L % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTGhostscriptUnLoadDLL() unloads the Ghostscript DLL and returns TRUE if |
| % it succeeds. |
| % |
| % The format of the NTGhostscriptUnLoadDLL method is: |
| % |
| % int NTGhostscriptUnLoadDLL(void) |
| % |
| */ |
| MagickPrivate int NTGhostscriptUnLoadDLL(void) |
| { |
| int |
| status; |
| |
| if (ghost_handle == (void *) NULL) |
| return(FALSE); |
| status=lt_dlclose(ghost_handle); |
| ghost_handle=(void *) NULL; |
| (void) ResetMagickMemory((void *) &ghost_info,0,sizeof(GhostInfo)); |
| return(status); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T I n i t i a l i z e L i b r a r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTInitializeLibrary() initializes the dynamic module loading subsystem. |
| % |
| % The format of the NTInitializeLibrary method is: |
| % |
| % int NTInitializeLibrary(void) |
| % |
| */ |
| MagickPrivate int NTInitializeLibrary(void) |
| { |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| + N T M a p M e m o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % Mmap() emulates the Unix method of the same name. |
| % |
| % The format of the NTMapMemory method is: |
| % |
| % MagickPrivate void *NTMapMemory(char *address,size_t length,int protection, |
| % int access,int file,MagickOffsetType offset) |
| % |
| */ |
| MagickPrivate void *NTMapMemory(char *address,size_t length,int protection, |
| int flags,int file,MagickOffsetType offset) |
| { |
| DWORD |
| access_mode, |
| high_length, |
| high_offset, |
| low_length, |
| low_offset, |
| protection_mode; |
| |
| HANDLE |
| file_handle, |
| map_handle; |
| |
| void |
| *map; |
| |
| (void) address; |
| access_mode=0; |
| file_handle=INVALID_HANDLE_VALUE; |
| low_length=(DWORD) (length & 0xFFFFFFFFUL); |
| high_length=(DWORD) ((((MagickOffsetType) length) >> 32) & 0xFFFFFFFFUL); |
| map_handle=INVALID_HANDLE_VALUE; |
| map=(void *) NULL; |
| low_offset=(DWORD) (offset & 0xFFFFFFFFUL); |
| high_offset=(DWORD) ((offset >> 32) & 0xFFFFFFFFUL); |
| protection_mode=0; |
| if (protection & PROT_WRITE) |
| { |
| access_mode=FILE_MAP_WRITE; |
| if (!(flags & MAP_PRIVATE)) |
| protection_mode=PAGE_READWRITE; |
| else |
| { |
| access_mode=FILE_MAP_COPY; |
| protection_mode=PAGE_WRITECOPY; |
| } |
| } |
| else |
| if (protection & PROT_READ) |
| { |
| access_mode=FILE_MAP_READ; |
| protection_mode=PAGE_READONLY; |
| } |
| if ((file == -1) && (flags & MAP_ANONYMOUS)) |
| file_handle=INVALID_HANDLE_VALUE; |
| else |
| file_handle=(HANDLE) _get_osfhandle(file); |
| map_handle=CreateFileMapping(file_handle,0,protection_mode,high_length, |
| low_length,0); |
| if (map_handle) |
| { |
| map=(void *) MapViewOfFile(map_handle,access_mode,high_offset,low_offset, |
| length); |
| CloseHandle(map_handle); |
| } |
| if (map == (void *) NULL) |
| return((void *) MAP_FAILED); |
| return((void *) ((char *) map)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T O p e n D i r e c t o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTOpenDirectory() opens the directory named by filename and associates a |
| % directory stream with it. |
| % |
| % The format of the NTOpenDirectory method is: |
| % |
| % DIR *NTOpenDirectory(const char *path) |
| % |
| % A description of each parameter follows: |
| % |
| % o entry: Specifies a pointer to a DIR structure. |
| % |
| */ |
| MagickPrivate DIR *NTOpenDirectory(const char *path) |
| { |
| char |
| file_specification[MaxTextExtent]; |
| |
| DIR |
| *entry; |
| |
| size_t |
| length; |
| |
| assert(path != (const char *) NULL); |
| length=CopyMagickString(file_specification,path,MaxTextExtent); |
| if (length >= (MaxTextExtent-1)) |
| return((DIR *) NULL); |
| length=ConcatenateMagickString(file_specification,DirectorySeparator, |
| MaxTextExtent); |
| if (length >= (MaxTextExtent-1)) |
| return((DIR *) NULL); |
| entry=(DIR *) AcquireMagickMemory(sizeof(DIR)); |
| if (entry != (DIR *) NULL) |
| { |
| entry->firsttime=TRUE; |
| entry->hSearch=FindFirstFile(file_specification,&entry->Win32FindData); |
| } |
| if (entry->hSearch == INVALID_HANDLE_VALUE) |
| { |
| length=ConcatenateMagickString(file_specification,"\\*.*",MaxTextExtent); |
| if (length >= (MaxTextExtent-1)) |
| { |
| entry=(DIR *) RelinquishMagickMemory(entry); |
| return((DIR *) NULL); |
| } |
| entry->hSearch=FindFirstFile(file_specification,&entry->Win32FindData); |
| if (entry->hSearch == INVALID_HANDLE_VALUE) |
| { |
| entry=(DIR *) RelinquishMagickMemory(entry); |
| return((DIR *) NULL); |
| } |
| } |
| return(entry); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T O p e n L i b r a r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTOpenLibrary() loads a dynamic module into memory and returns a handle that |
| % can be used to access the various procedures in the module. |
| % |
| % The format of the NTOpenLibrary method is: |
| % |
| % void *NTOpenLibrary(const char *filename) |
| % |
| % A description of each parameter follows: |
| % |
| % o path: Specifies a pointer to string representing dynamic module that |
| % is to be loaded. |
| % |
| */ |
| |
| static const char *GetSearchPath( void ) |
| { |
| #if defined(MAGICKCORE_LTDL_DELEGATE) |
| return(lt_dlgetsearchpath()); |
| #else |
| return(lt_slsearchpath); |
| #endif |
| } |
| |
| MagickPrivate void *NTOpenLibrary(const char *filename) |
| { |
| #define MaxPathElements 31 |
| |
| char |
| buffer[MaxTextExtent]; |
| |
| int |
| index; |
| |
| register const char |
| *p, |
| *q; |
| |
| register int |
| i; |
| |
| UINT |
| mode; |
| |
| void |
| *handle; |
| |
| mode=SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX); |
| handle=(void *) LoadLibraryEx(filename,NULL,LOAD_WITH_ALTERED_SEARCH_PATH); |
| if ((handle != (void *) NULL) || (GetSearchPath() == (char *) NULL)) |
| { |
| SetErrorMode(mode); |
| return(handle); |
| } |
| p=(char *) GetSearchPath(); |
| index=0; |
| while (index < MaxPathElements) |
| { |
| q=strchr(p,DirectoryListSeparator); |
| if (q == (char *) NULL) |
| { |
| (void) CopyMagickString(buffer,p,MaxTextExtent); |
| (void) ConcatenateMagickString(buffer,"\\",MaxTextExtent); |
| (void) ConcatenateMagickString(buffer,filename,MaxTextExtent); |
| handle=(void *) LoadLibraryEx(buffer,NULL, |
| LOAD_WITH_ALTERED_SEARCH_PATH); |
| break; |
| } |
| i=q-p; |
| (void) CopyMagickString(buffer,p,i+1); |
| (void) ConcatenateMagickString(buffer,"\\",MaxTextExtent); |
| (void) ConcatenateMagickString(buffer,filename,MaxTextExtent); |
| handle=(void *) LoadLibraryEx(buffer,NULL,LOAD_WITH_ALTERED_SEARCH_PATH); |
| if (handle != (void *) NULL) |
| break; |
| p=q+1; |
| } |
| SetErrorMode(mode); |
| return(handle); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T R e a d D i r e c t o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTReadDirectory() returns a pointer to a structure representing the |
| % directory entry at the current position in the directory stream to which |
| % entry refers. |
| % |
| % The format of the NTReadDirectory |
| % |
| % NTReadDirectory(entry) |
| % |
| % A description of each parameter follows: |
| % |
| % o entry: Specifies a pointer to a DIR structure. |
| % |
| */ |
| MagickPrivate struct dirent *NTReadDirectory(DIR *entry) |
| { |
| int |
| status; |
| |
| size_t |
| length; |
| |
| if (entry == (DIR *) NULL) |
| return((struct dirent *) NULL); |
| if (!entry->firsttime) |
| { |
| status=FindNextFile(entry->hSearch,&entry->Win32FindData); |
| if (status == 0) |
| return((struct dirent *) NULL); |
| } |
| length=CopyMagickString(entry->file_info.d_name, |
| entry->Win32FindData.cFileName,sizeof(entry->file_info.d_name)); |
| if (length >= sizeof(entry->file_info.d_name)) |
| return((struct dirent *) NULL); |
| entry->firsttime=FALSE; |
| entry->file_info.d_namlen=(int) strlen(entry->file_info.d_name); |
| return(&entry->file_info); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T R e g i s t r y K e y L o o k u p % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTRegistryKeyLookup() returns ImageMagick installation path settings |
| % stored in the Windows Registry. Path settings are specific to the |
| % installed ImageMagick version so that multiple Image Magick installations |
| % may coexist. |
| % |
| % Values are stored in the registry under a base path path similar to |
| % "HKEY_LOCAL_MACHINE/SOFTWARE\ImageMagick\6.7.4\Q:16" or |
| % "HKEY_CURRENT_USER/SOFTWARE\ImageMagick\6.7.4\Q:16". The provided subkey |
| % is appended to this base path to form the full key. |
| % |
| % The format of the NTRegistryKeyLookup method is: |
| % |
| % unsigned char *NTRegistryKeyLookup(const char *subkey) |
| % |
| % A description of each parameter follows: |
| % |
| % o subkey: Specifies a string that identifies the registry object. |
| % Currently supported sub-keys include: "BinPath", "ConfigurePath", |
| % "LibPath", "CoderModulesPath", "FilterModulesPath", "SharePath". |
| % |
| */ |
| MagickPrivate unsigned char *NTRegistryKeyLookup(const char *subkey) |
| { |
| char |
| package_key[MaxTextExtent]; |
| |
| DWORD |
| size, |
| type; |
| |
| HKEY |
| registry_key; |
| |
| LONG |
| status; |
| |
| unsigned char |
| *value; |
| |
| /* |
| Look-up base key. |
| */ |
| (void) FormatLocaleString(package_key,MaxTextExtent,"SOFTWARE\\%s\\%s\\Q:%d", |
| MagickPackageName,MagickLibVersionText,MAGICKCORE_QUANTUM_DEPTH); |
| (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"%s",package_key); |
| registry_key=(HKEY) INVALID_HANDLE_VALUE; |
| status=RegOpenKeyExA(HKEY_LOCAL_MACHINE,package_key,0,KEY_READ,®istry_key); |
| if (status != ERROR_SUCCESS) |
| status=RegOpenKeyExA(HKEY_CURRENT_USER,package_key,0,KEY_READ, |
| ®istry_key); |
| if (status != ERROR_SUCCESS) |
| { |
| registry_key=(HKEY) INVALID_HANDLE_VALUE; |
| return((unsigned char *) NULL); |
| } |
| /* |
| Look-up sub key. |
| */ |
| size=32; |
| value=(unsigned char *) AcquireQuantumMemory(size,sizeof(*value)); |
| if (value == (unsigned char *) NULL) |
| { |
| RegCloseKey(registry_key); |
| return((unsigned char *) NULL); |
| } |
| (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"%s",subkey); |
| status=RegQueryValueExA(registry_key,subkey,0,&type,value,&size); |
| if ((status == ERROR_MORE_DATA) && (type == REG_SZ)) |
| { |
| value=(unsigned char *) ResizeQuantumMemory(value,size,sizeof(*value)); |
| if (value == (BYTE *) NULL) |
| { |
| RegCloseKey(registry_key); |
| return((unsigned char *) NULL); |
| } |
| status=RegQueryValueExA(registry_key,subkey,0,&type,value,&size); |
| } |
| RegCloseKey(registry_key); |
| if ((type != REG_SZ) || (status != ERROR_SUCCESS)) |
| value=(unsigned char *) RelinquishMagickMemory(value); |
| return((unsigned char *) value); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T R e p o r t E v e n t % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTReportEvent() reports an event. |
| % |
| % The format of the NTReportEvent method is: |
| % |
| % MagickBooleanType NTReportEvent(const char *event, |
| % const MagickBooleanType error) |
| % |
| % A description of each parameter follows: |
| % |
| % o event: the event. |
| % |
| % o error: MagickTrue the event is an error. |
| % |
| */ |
| MagickPrivate MagickBooleanType NTReportEvent(const char *event, |
| const MagickBooleanType error) |
| { |
| const char |
| *events[1]; |
| |
| HANDLE |
| handle; |
| |
| WORD |
| type; |
| |
| handle=RegisterEventSource(NULL,MAGICKCORE_PACKAGE_NAME); |
| if (handle == NULL) |
| return(MagickFalse); |
| events[0]=event; |
| type=error ? EVENTLOG_ERROR_TYPE : EVENTLOG_WARNING_TYPE; |
| ReportEvent(handle,type,0,0,NULL,1,0,events,NULL); |
| DeregisterEventSource(handle); |
| return(MagickTrue); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T R e s o u r c e T o B l o b % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTResourceToBlob() returns a blob containing the contents of the resource |
| % in the current executable specified by the id parameter. This currently |
| % used to retrieve MGK files tha have been embedded into the various command |
| % line utilities. |
| % |
| % The format of the NTResourceToBlob method is: |
| % |
| % unsigned char *NTResourceToBlob(const char *id) |
| % |
| % A description of each parameter follows: |
| % |
| % o id: Specifies a string that identifies the resource. |
| % |
| */ |
| MagickPrivate unsigned char *NTResourceToBlob(const char *id) |
| { |
| char |
| path[MaxTextExtent]; |
| |
| DWORD |
| length; |
| |
| HGLOBAL |
| global; |
| |
| HMODULE |
| handle; |
| |
| HRSRC |
| resource; |
| |
| unsigned char |
| *blob, |
| *value; |
| |
| assert(id != (const char *) NULL); |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",id); |
| (void) FormatLocaleString(path,MaxTextExtent,"%s%s%s",GetClientPath(), |
| DirectorySeparator,GetClientName()); |
| if (IsPathAccessible(path) != MagickFalse) |
| handle=GetModuleHandle(path); |
| else |
| handle=GetModuleHandle(0); |
| if (!handle) |
| return((unsigned char *) NULL); |
| resource=FindResource(handle,id,"IMAGEMAGICK"); |
| if (!resource) |
| return((unsigned char *) NULL); |
| global=LoadResource(handle,resource); |
| if (!global) |
| return((unsigned char *) NULL); |
| length=SizeofResource(handle,resource); |
| value=(unsigned char *) LockResource(global); |
| if (!value) |
| { |
| FreeResource(global); |
| return((unsigned char *) NULL); |
| } |
| blob=(unsigned char *) AcquireQuantumMemory(length+MaxTextExtent, |
| sizeof(*blob)); |
| if (blob != (unsigned char *) NULL) |
| { |
| (void) CopyMagickMemory(blob,value,length); |
| blob[length]='\0'; |
| } |
| UnlockResource(global); |
| FreeResource(global); |
| return(blob); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T S e e k D i r e c t o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTSeekDirectory() sets the position of the next NTReadDirectory() operation |
| % on the directory stream. |
| % |
| % The format of the NTSeekDirectory method is: |
| % |
| % void NTSeekDirectory(DIR *entry,ssize_t position) |
| % |
| % A description of each parameter follows: |
| % |
| % o entry: Specifies a pointer to a DIR structure. |
| % |
| % o position: specifies the position associated with the directory |
| % stream. |
| % |
| */ |
| MagickPrivate void NTSeekDirectory(DIR *entry,ssize_t position) |
| { |
| (void) position; |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| assert(entry != (DIR *) NULL); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T S e t S e a r c h P a t h % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTSetSearchPath() sets the current locations that the subsystem should |
| % look at to find dynamically loadable modules. |
| % |
| % The format of the NTSetSearchPath method is: |
| % |
| % int NTSetSearchPath(const char *path) |
| % |
| % A description of each parameter follows: |
| % |
| % o path: Specifies a pointer to string representing the search path |
| % for DLL's that can be dynamically loaded. |
| % |
| */ |
| MagickPrivate int NTSetSearchPath(const char *path) |
| { |
| #if defined(MAGICKCORE_LTDL_DELEGATE) |
| lt_dlsetsearchpath(path); |
| #else |
| if (lt_slsearchpath != (char *) NULL) |
| lt_slsearchpath=DestroyString(lt_slsearchpath); |
| if (path != (char *) NULL) |
| lt_slsearchpath=AcquireString(path); |
| #endif |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| + N T S y n c M e m o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTSyncMemory() emulates the Unix method of the same name. |
| % |
| % The format of the NTSyncMemory method is: |
| % |
| % int NTSyncMemory(void *address,size_t length,int flags) |
| % |
| % A description of each parameter follows: |
| % |
| % o address: the address of the binary large object. |
| % |
| % o length: the length of the binary large object. |
| % |
| % o flags: Option flags (ignored for Windows). |
| % |
| */ |
| MagickPrivate int NTSyncMemory(void *address,size_t length,int flags) |
| { |
| (void) flags; |
| if (FlushViewOfFile(address,length) == MagickFalse) |
| return(-1); |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T S y s t e m C o m m a n d % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTSystemCommand() executes the specified command and waits until it |
| % terminates. The returned value is the exit status of the command. |
| % |
| % The format of the NTSystemCommand method is: |
| % |
| % int NTSystemCommand(MagickFalse,const char *command) |
| % |
| % A description of each parameter follows: |
| % |
| % o command: This string is the command to execute. |
| % |
| */ |
| MagickPrivate int NTSystemCommand(const char *command) |
| { |
| char |
| local_command[MaxTextExtent]; |
| |
| DWORD |
| child_status; |
| |
| int |
| status; |
| |
| MagickBooleanType |
| background_process; |
| |
| PROCESS_INFORMATION |
| process_info; |
| |
| STARTUPINFO |
| startup_info; |
| |
| if (command == (char *) NULL) |
| return(-1); |
| GetStartupInfo(&startup_info); |
| startup_info.dwFlags=STARTF_USESHOWWINDOW; |
| startup_info.wShowWindow=SW_SHOWMINNOACTIVE; |
| (void) CopyMagickString(local_command,command,MaxTextExtent); |
| background_process=command[strlen(command)-1] == '&' ? MagickTrue : |
| MagickFalse; |
| if (background_process != MagickFalse) |
| local_command[strlen(command)-1]='\0'; |
| if (command[strlen(command)-1] == '|') |
| local_command[strlen(command)-1]='\0'; |
| else |
| startup_info.wShowWindow=SW_SHOWDEFAULT; |
| status=CreateProcess((LPCTSTR) NULL,local_command,(LPSECURITY_ATTRIBUTES) |
| NULL,(LPSECURITY_ATTRIBUTES) NULL,(BOOL) FALSE,(DWORD) |
| NORMAL_PRIORITY_CLASS,(LPVOID) NULL,(LPCSTR) NULL,&startup_info, |
| &process_info); |
| if (status == 0) |
| return(-1); |
| if (background_process != MagickFalse) |
| return(status == 0); |
| status=WaitForSingleObject(process_info.hProcess,INFINITE); |
| if (status != WAIT_OBJECT_0) |
| return(status); |
| status=GetExitCodeProcess(process_info.hProcess,&child_status); |
| if (status == 0) |
| return(-1); |
| CloseHandle(process_info.hProcess); |
| CloseHandle(process_info.hThread); |
| return((int) child_status); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T S y s t e m C o n i f i g u r a t i o n % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTSystemConfiguration() provides a way for the application to determine |
| % values for system limits or options at runtime. |
| % |
| % The format of the exit method is: |
| % |
| % ssize_t NTSystemConfiguration(int name) |
| % |
| % A description of each parameter follows: |
| % |
| % o name: _SC_PAGE_SIZE or _SC_PHYS_PAGES. |
| % |
| */ |
| MagickPrivate ssize_t NTSystemConfiguration(int name) |
| { |
| switch (name) |
| { |
| case _SC_PAGESIZE: |
| { |
| SYSTEM_INFO |
| system_info; |
| |
| GetSystemInfo(&system_info); |
| return(system_info.dwPageSize); |
| } |
| case _SC_PHYS_PAGES: |
| { |
| HMODULE |
| handle; |
| |
| LPFNDLLFUNC2 |
| module; |
| |
| NTMEMORYSTATUSEX |
| status; |
| |
| SYSTEM_INFO |
| system_info; |
| |
| handle=GetModuleHandle("kernel32.dll"); |
| if (handle == (HMODULE) NULL) |
| return(0L); |
| GetSystemInfo(&system_info); |
| module=(LPFNDLLFUNC2) NTGetLibrarySymbol(handle,"GlobalMemoryStatusEx"); |
| if (module == (LPFNDLLFUNC2) NULL) |
| { |
| MEMORYSTATUS |
| status; |
| |
| GlobalMemoryStatus(&status); |
| return((ssize_t) status.dwTotalPhys/system_info.dwPageSize); |
| } |
| status.dwLength=sizeof(status); |
| if (module(&status) == 0) |
| return(0L); |
| return((ssize_t) status.ullTotalPhys/system_info.dwPageSize); |
| } |
| case _SC_OPEN_MAX: |
| return(2048); |
| default: |
| break; |
| } |
| return(-1); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T T e l l D i r e c t o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTTellDirectory() returns the current location associated with the named |
| % directory stream. |
| % |
| % The format of the NTTellDirectory method is: |
| % |
| % ssize_t NTTellDirectory(DIR *entry) |
| % |
| % A description of each parameter follows: |
| % |
| % o entry: Specifies a pointer to a DIR structure. |
| % |
| */ |
| MagickPrivate ssize_t NTTellDirectory(DIR *entry) |
| { |
| assert(entry != (DIR *) NULL); |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T T r u n c a t e F i l e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTTruncateFile() truncates a file to a specified length. |
| % |
| % The format of the NTTruncateFile method is: |
| % |
| % int NTTruncateFile(int file,off_t length) |
| % |
| % A description of each parameter follows: |
| % |
| % o file: the file. |
| % |
| % o length: the file length. |
| % |
| */ |
| MagickPrivate int NTTruncateFile(int file,off_t length) |
| { |
| DWORD |
| file_pointer; |
| |
| long |
| file_handle, |
| high, |
| low; |
| |
| file_handle=_get_osfhandle(file); |
| if (file_handle == -1L) |
| return(-1); |
| low=(long) (length & 0xffffffffUL); |
| high=(long) ((((MagickOffsetType) length) >> 32) & 0xffffffffUL); |
| file_pointer=SetFilePointer((HANDLE) file_handle,low,&high,FILE_BEGIN); |
| if ((file_pointer == 0xFFFFFFFF) && (GetLastError() != NO_ERROR)) |
| return(-1); |
| if (SetEndOfFile((HANDLE) file_handle) == 0) |
| return(-1); |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| + N T U n m a p M e m o r y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTUnmapMemory() emulates the Unix munmap method. |
| % |
| % The format of the NTUnmapMemory method is: |
| % |
| % int NTUnmapMemory(void *map,size_t length) |
| % |
| % A description of each parameter follows: |
| % |
| % o map: the address of the binary large object. |
| % |
| % o length: the length of the binary large object. |
| % |
| */ |
| MagickPrivate int NTUnmapMemory(void *map,size_t length) |
| { |
| (void) length; |
| if (UnmapViewOfFile(map) == 0) |
| return(-1); |
| return(0); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T U s e r T i m e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTUserTime() returns the total time the process has been scheduled (e.g. |
| % seconds) since the last call to StartTimer(). |
| % |
| % The format of the UserTime method is: |
| % |
| % double NTUserTime(void) |
| % |
| */ |
| MagickPrivate double NTUserTime(void) |
| { |
| DWORD |
| status; |
| |
| FILETIME |
| create_time, |
| exit_time; |
| |
| OSVERSIONINFO |
| OsVersionInfo; |
| |
| union |
| { |
| FILETIME |
| filetime; |
| |
| __int64 |
| filetime64; |
| } kernel_time; |
| |
| union |
| { |
| FILETIME |
| filetime; |
| |
| __int64 |
| filetime64; |
| } user_time; |
| |
| OsVersionInfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); |
| GetVersionEx(&OsVersionInfo); |
| if (OsVersionInfo.dwPlatformId != VER_PLATFORM_WIN32_NT) |
| return(NTElapsedTime()); |
| status=GetProcessTimes(GetCurrentProcess(),&create_time,&exit_time, |
| &kernel_time.filetime,&user_time.filetime); |
| if (status != TRUE) |
| return(0.0); |
| return((double) 1.0e-7*(kernel_time.filetime64+user_time.filetime64)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % N T W a r n i n g H a n d l e r % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % NTWarningHandler() displays a warning reason. |
| % |
| % The format of the NTWarningHandler method is: |
| % |
| % void NTWarningHandler(const ExceptionType severity,const char *reason, |
| % const char *description) |
| % |
| % A description of each parameter follows: |
| % |
| % o severity: Specifies the numeric warning category. |
| % |
| % o reason: Specifies the reason to display before terminating the |
| % program. |
| % |
| % o description: Specifies any description to the reason. |
| % |
| */ |
| MagickPrivate void NTWarningHandler(const ExceptionType severity, |
| const char *reason,const char *description) |
| { |
| char |
| buffer[2*MaxTextExtent]; |
| |
| (void) severity; |
| if (reason == (char *) NULL) |
| return; |
| if (description == (char *) NULL) |
| (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s.\n",GetClientName(), |
| reason); |
| else |
| (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s).\n", |
| GetClientName(),reason,description); |
| (void) MessageBox(NULL,buffer,"ImageMagick Warning",MB_OK | MB_TASKMODAL | |
| MB_SETFOREGROUND | MB_ICONINFORMATION); |
| } |
| #endif |