MagickExport void *ResizeMagickMemory(void *memory,const size_t size)
{
register void
*block;
if (memory == (void *) NULL)
return(AcquireMagickMemory(size));
#if !defined(UseEmbeddableMagick)
block=realloc(memory,size == 0 ? 1UL : size);
#else
AcquireSemaphoreInfo(&memory_semaphore);
block=ResizeBlock(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
{
if (ExpandHeap(size == 0 ? 1UL : size) == MagickFalse)
{
RelinquishSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
ThrowMagickFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed",strerror(errno));
}
block=ResizeBlock(memory,size == 0 ? 1UL : size);
assert(block != (void *) NULL);
}
RelinquishSemaphoreInfo(memory_semaphore);
#endif
if (block == (void *) NULL)
memory=RelinquishMagickMemory(memory);
return(block);
}
MagickExport void *ResizeMagickMemory(void *memory,const size_t size)
{
register void
*block;
if (memory == (void *) NULL)
return(AcquireMagickMemory(size));
#if !defined(MAGICKCORE_EMBEDDABLE_SUPPORT)
block=memory_methods.resize_memory_handler(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
memory=RelinquishMagickMemory(memory);
#else
AcquireSemaphoreInfo(&memory_semaphore);
block=ResizeBlock(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
{
if (ExpandHeap(size == 0 ? 1UL : size) == MagickFalse)
{
RelinquishSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
}
block=ResizeBlock(memory,size == 0 ? 1UL : size);
assert(block != (void *) NULL);
}
RelinquishSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
#endif
return(block);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ G e t C o d e r I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetCoderInfo searches the coder list for the specified name and if found
% returns attributes for that coder.
%
% The format of the GetCoderInfo method is:
%
% const CoderInfo *GetCoderInfo(const char *name,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o name: The coder name.
%
% o exception: Return any errors or warnings in this structure.
%
%
*/
MagickExport const CoderInfo *GetCoderInfo(const char *name,
ExceptionInfo *exception)
{
register const CoderInfo
*p;
assert(exception != (ExceptionInfo *) NULL);
if ((coder_list == (SplayTreeInfo *) NULL) ||
(instantiate_coder == MagickFalse))
if (InitializeCoderList(exception) == MagickFalse)
return((const CoderInfo *) NULL);
if ((coder_list == (SplayTreeInfo *) NULL) ||
(GetNumberOfNodesInSplayTree(coder_list) == 0))
return((const CoderInfo *) NULL);
if ((name == (const char *) NULL) || (LocaleCompare(name,"*") == 0))
{
ResetSplayTreeIterator(coder_list);
return((const CoderInfo *) GetNextValueInSplayTree(coder_list));
}
/*
Search for requested coder.
*/
AcquireSemaphoreInfo(&coder_semaphore);
ResetSplayTreeIterator(coder_list);
p=(const CoderInfo *) GetNextValueInSplayTree(coder_list);
while (p != (const CoderInfo *) NULL)
{
if (LocaleCompare(name,p->magick) == 0)
break;
p=(const CoderInfo *) GetNextValueInSplayTree(coder_list);
}
RelinquishSemaphoreInfo(coder_semaphore);
return(p);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ G e t M a g i c I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetMagicInfo() searches the magic list for the specified name and if found
% returns attributes for that magic.
%
% The format of the GetMagicInfo method is:
%
% const MagicInfo *GetMagicInfo(const unsigned char *magic,
% const size_t length,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o magic: A binary string generally representing the first few characters
% of the image file or blob.
%
% o length: The length of the binary signature.
%
% o exception: Return any errors or warnings in this structure.
%
*/
MagickExport const MagicInfo *GetMagicInfo(const unsigned char *magic,
const size_t length,ExceptionInfo *exception)
{
register const MagicInfo
*p;
assert(exception != (ExceptionInfo *) NULL);
if ((magic_list == (LinkedListInfo *) NULL) ||
(instantiate_magic == MagickFalse))
if (InitializeMagicList(exception) == MagickFalse)
return((const MagicInfo *) NULL);
if ((magic_list == (LinkedListInfo *) NULL) ||
(IsLinkedListEmpty(magic_list) != MagickFalse))
return((const MagicInfo *) NULL);
if ((magic == (const unsigned char *) NULL) || (length == 0))
return((const MagicInfo *) GetValueFromLinkedList(magic_list,0));
if (length == 0)
return((const MagicInfo *) NULL);
/*
Search for requested magic.
*/
AcquireSemaphoreInfo(&magic_semaphore);
ResetLinkedListIterator(magic_list);
p=(const MagicInfo *) GetNextValueInLinkedList(magic_list);
while (p != (const MagicInfo *) NULL)
{
assert(p->offset >= 0);
if (((size_t) (p->offset+p->length) <= length) &&
(memcmp(magic+p->offset,p->magic,p->length) == 0))
break;
p=(const MagicInfo *) GetNextValueInLinkedList(magic_list);
}
RelinquishSemaphoreInfo(magic_semaphore);
return((const MagicInfo *) p);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I n i t i a l i z e L o c a l e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InitializeLocaleList() initializes the locale list.
%
% The format of the InitializeLocaleList method is:
%
% MagickBooleanType InitializeLocaleList(ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static MagickBooleanType InitializeLocaleList(ExceptionInfo *exception)
{
if ((locale_list == (SplayTreeInfo *) NULL) &&
(instantiate_locale == MagickFalse))
{
AcquireSemaphoreInfo(&locale_semaphore);
if ((locale_list == (SplayTreeInfo *) NULL) &&
(instantiate_locale == MagickFalse))
{
char
*locale;
locale=setlocale(LC_CTYPE,0);
if ((locale == (char *) NULL) || (*locale == '\0'))
locale=getenv("LC_ALL");
if ((locale == (char *) NULL) || (*locale == '\0'))
locale=getenv("LC_MESSAGES");
if ((locale == (char *) NULL) || (*locale == '\0'))
locale=getenv("LC_CTYPE");
if ((locale == (char *) NULL) || (*locale == '\0'))
locale=getenv("LANG");
if ((locale == (char *) NULL) || (*locale == '\0'))
locale="C";
(void) LoadLocaleLists(LocaleFilename,locale,exception);
instantiate_locale=MagickTrue;
}
RelinquishSemaphoreInfo(locale_semaphore);
}
return((MagickBooleanType) (locale_list != (SplayTreeInfo *) NULL));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ G e t L o c a l e I n f o _ %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetLocaleInfo_() searches the locale list for the specified tag and if
% found returns attributes for that element.
%
% The format of the GetLocaleInfo method is:
%
% const LocaleInfo *GetLocaleInfo_(const char *tag,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o tag: The locale tag.
%
% o exception: Return any errors or warnings in this structure.
%
%
*/
MagickExport const LocaleInfo *GetLocaleInfo_(const char *tag,
ExceptionInfo *exception)
{
register const LocaleInfo
*p;
assert(exception != (ExceptionInfo *) NULL);
if ((locale_list == (SplayTreeInfo *) NULL) ||
(instantiate_locale == MagickFalse))
if (InitializeLocaleList(exception) == MagickFalse)
return((const LocaleInfo *) NULL);
if ((locale_list == (SplayTreeInfo *) NULL) ||
(GetNumberOfNodesInSplayTree(locale_list) == 0))
return((const LocaleInfo *) NULL);
if ((tag == (const char *) NULL) || (LocaleCompare(tag,"*") == 0))
{
ResetSplayTreeIterator(locale_list);
return((const LocaleInfo *) GetNextValueInSplayTree(locale_list));
}
/*
Search for named tag.
*/
AcquireSemaphoreInfo(&locale_semaphore);
ResetSplayTreeIterator(locale_list);
p=(const LocaleInfo *) GetNextValueInSplayTree(locale_list);
while (p != (const LocaleInfo *) NULL)
{
if (LocaleCompare(tag,p->tag) == 0)
break;
p=(const LocaleInfo *) GetNextValueInSplayTree(locale_list);
}
RelinquishSemaphoreInfo(locale_semaphore);
return(p);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y E x c e p t i o n I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyExceptionInfo() deallocates memory associated with an exception.
%
% The format of the DestroyExceptionInfo method is:
%
% ExceptionInfo *DestroyExceptionInfo(ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o exception: the exception info.
%
*/
MagickExport ExceptionInfo *DestroyExceptionInfo(ExceptionInfo *exception)
{
MagickBooleanType
relinquish;
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
if (exception->semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&exception->semaphore);
LockSemaphoreInfo(exception->semaphore);
exception->severity=UndefinedException;
if (exception->relinquish != MagickFalse)
{
exception->signature=(~MagickCoreSignature);
if (exception->exceptions != (void *) NULL)
exception->exceptions=(void *) DestroyLinkedList((LinkedListInfo *)
exception->exceptions,DestroyExceptionElement);
}
else if (exception->exceptions != (void *) NULL)
ClearLinkedList((LinkedListInfo *) exception->exceptions,
DestroyExceptionElement);
relinquish=exception->relinquish;
UnlockSemaphoreInfo(exception->semaphore);
if (relinquish != MagickFalse)
{
RelinquishSemaphoreInfo(&exception->semaphore);
exception=(ExceptionInfo *) RelinquishMagickMemory(exception);
}
return(exception);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L i s t M a g i c k R e s o u r c e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ListMagickResourceInfo() lists the resource info to a file.
%
% The format of the ListMagickResourceInfo method is:
%
% MagickBooleanType ListMagickResourceInfo(FILE *file,
% ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o file: An pointer to a FILE.
%
% o exception: Return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType ListMagickResourceInfo(FILE *file,
ExceptionInfo *magick_unused(exception))
{
char
area_limit[MaxTextExtent],
disk_limit[MaxTextExtent],
map_limit[MaxTextExtent],
memory_limit[MaxTextExtent];
if (file == (const FILE *) NULL)
file=stdout;
AcquireSemaphoreInfo(&resource_semaphore);
(void) FormatMagickSize(MegabytesToBytes(resource_info.area_limit),
area_limit);
(void) FormatMagickSize(GigabytesToBytes(resource_info.disk_limit),
disk_limit);
(void) FormatMagickSize(MegabytesToBytes(resource_info.map_limit),map_limit);
(void) FormatMagickSize(MegabytesToBytes(resource_info.memory_limit),
memory_limit);
(void) fprintf(file,"File Area Memory Map Disk\n");
(void) fprintf(file,"------------------------------------------------\n");
(void) fprintf(file,"%4lu %9s %9s %9s %9s\n",resource_info.file_limit,
area_limit,memory_limit,map_limit,disk_limit);
(void) fflush(file);
RelinquishSemaphoreInfo(resource_semaphore);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y L i n k e d L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyLinkedList() frees the linked-list and all associated resources.
%
% The format of the DestroyLinkedList method is:
%
% LinkedListInfo *DestroyLinkedList(LinkedListInfo *list_info,
% void *(*relinquish_value)(void *))
%
% A description of each parameter follows:
%
% o list_info: the linked-list info.
%
% o relinquish_value: the value deallocation method; typically
% RelinquishMagickMemory().
%
*/
MagickExport LinkedListInfo *DestroyLinkedList(LinkedListInfo *list_info,
void *(*relinquish_value)(void *))
{
ElementInfo
*entry;
register ElementInfo
*next;
assert(list_info != (LinkedListInfo *) NULL);
assert(list_info->signature == MagickCoreSignature);
LockSemaphoreInfo(list_info->semaphore);
for (next=list_info->head; next != (ElementInfo *) NULL; )
{
if (relinquish_value != (void *(*)(void *)) NULL)
next->value=relinquish_value(next->value);
entry=next;
next=next->next;
entry=(ElementInfo *) RelinquishMagickMemory(entry);
}
list_info->signature=(~MagickCoreSignature);
UnlockSemaphoreInfo(list_info->semaphore);
RelinquishSemaphoreInfo(&list_info->semaphore);
list_info=(LinkedListInfo *) RelinquishMagickMemory(list_info);
return(list_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y M a g i c k R e s o u r c e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyMagickResources() destroys the resource environment.
%
% The format of the DestroyMagickResources() method is:
%
% DestroyMagickResources(void)
%
*/
MagickExport void DestroyMagickResources(void)
{
AcquireSemaphoreInfo(&resource_semaphore);
if (temporary_resources != (SplayTreeInfo *) NULL)
temporary_resources=DestroySplayTree(temporary_resources);
RelinquishSemaphoreInfo(resource_semaphore);
resource_semaphore=DestroySemaphoreInfo(resource_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y L o c a l e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyLocaleList() deallocates memory associated with the locale list.
%
% The format of the DestroyLocaleList method is:
%
% DestroyLocaleList(void)
%
%
*/
MagickExport void DestroyLocaleList(void)
{
AcquireSemaphoreInfo(&locale_semaphore);
if (locale_list != (SplayTreeInfo *) NULL)
locale_list=DestroySplayTree(locale_list);
instantiate_locale=MagickFalse;
RelinquishSemaphoreInfo(locale_semaphore);
locale_semaphore=DestroySemaphoreInfo(locale_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y C o d e r L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyCoderList() deallocates memory associated with the font list.
%
% The format of the DestroyCoderList method is:
%
% DestroyCoderList(void)
%
%
*/
MagickExport void DestroyCoderList(void)
{
AcquireSemaphoreInfo(&coder_semaphore);
if (coder_list != (SplayTreeInfo *) NULL)
coder_list=DestroySplayTree(coder_list);
instantiate_coder=MagickFalse;
RelinquishSemaphoreInfo(coder_semaphore);
coder_semaphore=DestroySemaphoreInfo(coder_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y T y p e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyTypeList() deallocates memory associated with the font list.
%
% The format of the DestroyTypeList method is:
%
% DestroyTypeList(void)
%
*/
MagickExport void DestroyTypeList(void)
{
AcquireSemaphoreInfo(&type_semaphore);
if (type_list != (SplayTreeInfo *) NULL)
type_list=DestroySplayTree(type_list);
instantiate_type=MagickFalse;
RelinquishSemaphoreInfo(type_semaphore);
type_semaphore=DestroySemaphoreInfo(type_semaphore);
}
MagickExport void DestroyMagicList(void)
{
AcquireSemaphoreInfo(&magic_semaphore);
if (magic_list != (LinkedListInfo *) NULL)
magic_list=DestroyLinkedList(magic_list,DestroyMagicElement);
instantiate_magic=MagickFalse;
RelinquishSemaphoreInfo(magic_semaphore);
magic_semaphore=DestroySemaphoreInfo(magic_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ T y p e C o m p o n e n t T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% TypeComponentTerminus() destroy type component.
%
% The format of the TypeComponentTerminus method is:
%
% void TypeComponentTerminus(void)
%
*/
MagickPrivate void TypeComponentTerminus(void)
{
if (type_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&type_semaphore);
LockSemaphoreInfo(type_semaphore);
if (type_cache != (SplayTreeInfo *) NULL)
type_cache=DestroySplayTree(type_cache);
UnlockSemaphoreInfo(type_semaphore);
RelinquishSemaphoreInfo(&type_semaphore);
}
MagickPrivate void MimeComponentTerminus(void)
{
if (mime_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&mime_semaphore);
LockSemaphoreInfo(mime_semaphore);
if (mime_cache != (LinkedListInfo *) NULL)
mime_cache=DestroyLinkedList(mime_cache,DestroyMimeElement);
UnlockSemaphoreInfo(mime_semaphore);
RelinquishSemaphoreInfo(&mime_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e M a g i c k M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireMagickMemory() returns a pointer to a block of memory at least size
% bytes suitably aligned for any use.
%
% The format of the AcquireMagickMemory method is:
%
% void *AcquireMagickMemory(const size_t size)
%
% A description of each parameter follows:
%
% o size: the size of the memory in bytes to allocate.
%
*/
MagickExport void *AcquireMagickMemory(const size_t size)
{
register void
*memory;
#if !defined(MAGICKCORE_EMBEDDABLE_SUPPORT)
memory=memory_methods.acquire_memory_handler(size == 0 ? 1UL : size);
#else
if (free_segments == (DataSegmentInfo *) NULL)
{
AcquireSemaphoreInfo(&memory_semaphore);
if (free_segments == (DataSegmentInfo *) NULL)
{
register long
i;
assert(2*sizeof(size_t) > (size_t) (~SizeMask));
(void) ResetMagickMemory(&memory_info,0,sizeof(memory_info));
memory_info.allocation=SegmentSize;
memory_info.blocks[MaxBlocks]=(void *) (-1);
for (i=0; i < MaxSegments; i++)
{
if (i != 0)
memory_info.segment_pool[i].previous=
(&memory_info.segment_pool[i-1]);
if (i != (MaxSegments-1))
memory_info.segment_pool[i].next=(&memory_info.segment_pool[i+1]);
}
free_segments=(&memory_info.segment_pool[0]);
}
RelinquishSemaphoreInfo(memory_semaphore);
}
AcquireSemaphoreInfo(&memory_semaphore);
memory=AcquireBlock(size == 0 ? 1UL : size);
if (memory == (void *) NULL)
{
if (ExpandHeap(size == 0 ? 1UL : size) != MagickFalse)
memory=AcquireBlock(size == 0 ? 1UL : size);
}
RelinquishSemaphoreInfo(memory_semaphore);
#endif
return(memory);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ C o d e r C o m p o n e n t T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CoderComponentTerminus() destroys the coder component.
%
% The format of the CoderComponentTerminus method is:
%
% CoderComponentTerminus(void)
%
*/
MagickPrivate void CoderComponentTerminus(void)
{
if (coder_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&coder_semaphore);
LockSemaphoreInfo(coder_semaphore);
if (coder_cache != (SplayTreeInfo *) NULL)
coder_cache=DestroySplayTree(coder_cache);
UnlockSemaphoreInfo(coder_semaphore);
RelinquishSemaphoreInfo(&coder_semaphore);
}
MagickPrivate void PolicyComponentTerminus(void)
{
if (policy_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&policy_semaphore);
LockSemaphoreInfo(policy_semaphore);
if (policy_cache != (LinkedListInfo *) NULL)
policy_cache=DestroyLinkedList(policy_cache,DestroyPolicyElement);
UnlockSemaphoreInfo(policy_semaphore);
RelinquishSemaphoreInfo(&policy_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e l i n q u i s h M a g i c k R e s o u r c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishMagickResource() relinquishes resources of the specified type.
%
% The format of the RelinquishMagickResource() method is:
%
% void RelinquishMagickResource(const ResourceType type,
% const MagickSizeType size)
%
% A description of each parameter follows:
%
% o type: The type of resource.
%
% o size: The size of the resource.
%
%
*/
MagickExport void RelinquishMagickResource(const ResourceType type,
const MagickSizeType size)
{
char
resource_current[MaxTextExtent],
resource_limit[MaxTextExtent],
resource_request[MaxTextExtent];
FormatSize(size,resource_request);
AcquireSemaphoreInfo(&resource_semaphore);
switch (type)
{
case AreaResource:
{
resource_info.area=size;
FormatSize((MagickSizeType) resource_info.area,resource_current);
FormatSize(MegabytesToBytes(resource_info.area_limit),resource_limit);
break;
}
case MemoryResource:
{
resource_info.memory-=size;
FormatSize((MagickSizeType) resource_info.memory,resource_current);
FormatSize(MegabytesToBytes(resource_info.memory_limit),resource_limit);
break;
}
case MapResource:
{
resource_info.map-=size;
FormatSize((MagickSizeType) resource_info.map,resource_current);
FormatSize(MegabytesToBytes(resource_info.map_limit),resource_limit);
break;
}
case DiskResource:
{
resource_info.disk-=size;
FormatSize((MagickSizeType) resource_info.disk,resource_current);
FormatSize(GigabytesToBytes(resource_info.disk_limit),resource_limit);
break;
}
case FileResource:
{
resource_info.file-=size;
FormatSize((MagickSizeType) resource_info.file,resource_current);
FormatSize((MagickSizeType) resource_info.file_limit,resource_limit);
break;
}
default:
break;
}
RelinquishSemaphoreInfo(resource_semaphore);
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s: %s/%s/%s",
MagickOptionToMnemonic(MagickResourceOptions,(long) type),resource_request,
resource_current,resource_limit);
}
WizardExport void ConfigureComponentTerminus(void)
{
if (configure_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&configure_semaphore);
LockSemaphoreInfo(configure_semaphore);
if (configure_cache != (LinkedListInfo *) NULL)
configure_cache=DestroyLinkedList(configure_cache,DestroyConfigureElement);
configure_cache=(LinkedListInfo *) NULL;
UnlockSemaphoreInfo(configure_semaphore);
RelinquishSemaphoreInfo(&configure_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y Q u a n t u m I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyQuantumInfo() deallocates memory associated with the QuantumInfo
% structure.
%
% The format of the DestroyQuantumInfo method is:
%
% QuantumInfo *DestroyQuantumInfo(QuantumInfo *quantum_info)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
*/
MagickExport QuantumInfo *DestroyQuantumInfo(QuantumInfo *quantum_info)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickCoreSignature);
if (quantum_info->pixels != (unsigned char **) NULL)
DestroyQuantumPixels(quantum_info);
if (quantum_info->semaphore != (SemaphoreInfo *) NULL)
RelinquishSemaphoreInfo(&quantum_info->semaphore);
quantum_info->signature=(~MagickCoreSignature);
quantum_info=(QuantumInfo *) RelinquishMagickMemory(quantum_info);
return(quantum_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t r y C o m p o n e n t T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegistryComponentTerminus() destroys the registry component.
%
% The format of the DestroyDefines method is:
%
% void RegistryComponentTerminus(void)
%
*/
MagickPrivate void RegistryComponentTerminus(void)
{
if (registry_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(®istry_semaphore);
LockSemaphoreInfo(registry_semaphore);
if (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
if (registry != (void *) NULL)
registry=DestroySplayTree(registry);
UnlockSemaphoreInfo(registry_semaphore);
RelinquishSemaphoreInfo(®istry_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ R e s o u r c e C o m p o n e n t T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ResourceComponentTerminus() destroys the resource component.
%
% The format of the ResourceComponentTerminus() method is:
%
% ResourceComponentTerminus(void)
%
*/
MagickPrivate void ResourceComponentTerminus(void)
{
if (resource_semaphore == (SemaphoreInfo *) NULL)
resource_semaphore=AcquireSemaphoreInfo();
LockSemaphoreInfo(resource_semaphore);
if (temporary_resources != (SplayTreeInfo *) NULL)
temporary_resources=DestroySplayTree(temporary_resources);
if (random_info != (RandomInfo *) NULL)
random_info=DestroyRandomInfo(random_info);
UnlockSemaphoreInfo(resource_semaphore);
RelinquishSemaphoreInfo(&resource_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I n i t i a l i z e C o d e r L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InitializeCoderList() initializes the coder list.
%
% The format of the InitializeCoderList method is:
%
% MagickBooleanType InitializeCoderList(ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static MagickBooleanType InitializeCoderList(ExceptionInfo *exception)
{
if ((coder_list == (SplayTreeInfo *) NULL) &&
(instantiate_coder == MagickFalse))
{
AcquireSemaphoreInfo(&coder_semaphore);
if ((coder_list == (SplayTreeInfo *) NULL) &&
(instantiate_coder == MagickFalse))
{
(void) LoadCoderLists(MagickCoderFilename,exception);
instantiate_coder=MagickTrue;
}
RelinquishSemaphoreInfo(coder_semaphore);
}
return(coder_list != (SplayTreeInfo *) NULL ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I n i t i a l i z e M a g i c L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InitializeMagicList() initializes the magic list.
%
% The format of the InitializeMagicList method is:
%
% MagickBooleanType InitializeMagicList(ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static MagickBooleanType InitializeMagicList(ExceptionInfo *exception)
{
if ((magic_list == (LinkedListInfo *) NULL) &&
(instantiate_magic == MagickFalse))
{
AcquireSemaphoreInfo(&magic_semaphore);
if ((magic_list == (LinkedListInfo *) NULL) &&
(instantiate_magic == MagickFalse))
{
(void) LoadMagicLists(MagicFilename,exception);
instantiate_magic=MagickTrue;
}
RelinquishSemaphoreInfo(magic_semaphore);
}
return(magic_list != (LinkedListInfo *) NULL ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e l i n q u i s h M a g i c k M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishMagickMemory() frees memory acquired with AcquireMagickMemory()
% or AcquireQuantumMemory() for reuse.
%
% The format of the RelinquishMagickMemory method is:
%
% void *RelinquishMagickMemory(void *memory)
%
% A description of each parameter follows:
%
% o memory: A pointer to a block of memory to free for reuse.
%
*/
MagickExport void *RelinquishMagickMemory(void *memory)
{
if (memory == (void *) NULL)
return((void *) NULL);
#if !defined(MAGICKCORE_EMBEDDABLE_SUPPORT)
memory_methods.destroy_memory_handler(memory);
#else
assert((SizeOfBlock(memory) % (4*sizeof(size_t))) == 0);
assert((*BlockHeader(NextBlock(memory)) & PreviousBlockBit) != 0);
AcquireSemaphoreInfo(&memory_semaphore);
if ((*BlockHeader(memory) & PreviousBlockBit) == 0)
{
void
*previous;
/*
Coalesce with previous adjacent block.
*/
previous=PreviousBlock(memory);
RemoveFreeBlock(previous,AllocationPolicy(SizeOfBlock(previous)));
*BlockHeader(previous)=(SizeOfBlock(previous)+SizeOfBlock(memory)) |
(*BlockHeader(previous) & ~SizeMask);
memory=previous;
}
if ((*BlockHeader(NextBlock(NextBlock(memory))) & PreviousBlockBit) == 0)
{
void
*next;
/*
Coalesce with next adjacent block.
*/
next=NextBlock(memory);
RemoveFreeBlock(next,AllocationPolicy(SizeOfBlock(next)));
*BlockHeader(memory)=(SizeOfBlock(memory)+SizeOfBlock(next)) |
(*BlockHeader(memory) & ~SizeMask);
}
*BlockFooter(memory,SizeOfBlock(memory))=SizeOfBlock(memory);
*BlockHeader(NextBlock(memory))&=(~PreviousBlockBit);
InsertFreeBlock(memory,AllocationPolicy(SizeOfBlock(memory)));
RelinquishSemaphoreInfo(memory_semaphore);
#endif
return((void *) NULL);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y M a g i c k M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyMagickMemory() deallocates memory associated with the memory manager.
%
% The format of the DestroyMagickMemory method is:
%
% DestroyMagickMemory(void)
%
*/
MagickExport void DestroyMagickMemory(void)
{
#if defined(MAGICKCORE_EMBEDDABLE_SUPPORT)
register long
i;
AcquireSemaphoreInfo(&memory_semaphore);
RelinquishSemaphoreInfo(memory_semaphore);
for (i=0; i < (long) memory_info.number_segments; i++)
if (memory_info.segments[i]->mapped == MagickFalse)
free(memory_info.segments[i]->allocation);
else
(void) UnmapBlob(memory_info.segments[i]->allocation,
memory_info.segments[i]->length);
free_segments=(DataSegmentInfo *) NULL;
(void) ResetMagickMemory(&memory_info,0,sizeof(memory_info));
memory_semaphore=DestroySemaphoreInfo(memory_semaphore);
#endif
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t M a g i c k R e s o u r c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetMagickResource() returns the the specified resource in megabytes.
%
% The format of the GetMagickResource() method is:
%
% unsigned long GetMagickResource(const ResourceType type)
%
% A description of each parameter follows:
%
% o type: The type of resource.
%
*/
MagickExport unsigned long GetMagickResource(const ResourceType type)
{
unsigned long
resource;
resource=0;
AcquireSemaphoreInfo(&resource_semaphore);
switch (type)
{
case AreaResource:
{
resource=BytesToMegabytes(resource_info.area);
break;
}
case MemoryResource:
{
resource=BytesToMegabytes(resource_info.memory);
break;
}
case MapResource:
{
resource=BytesToMegabytes(resource_info.map);
break;
}
case DiskResource:
{
resource=BytesToGigabytes(resource_info.disk);
break;
}
case FileResource:
{
resource=(unsigned long) resource_info.file;
break;
}
default:
break;
}
RelinquishSemaphoreInfo(resource_semaphore);
return(resource);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t M a g i c k R e s o u r c e L i m i t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetMagickResource() returns the the specified resource limit.
%
% The format of the GetMagickResourceLimit() method is:
%
% unsigned long GetMagickResourceLimit(const ResourceType type)
%
% A description of each parameter follows:
%
% o type: the type of resource.
%
*/
MagickExport MagickSizeType GetMagickResourceLimit(const ResourceType type)
{
MagickSizeType
resource;
resource=0;
AcquireSemaphoreInfo(&resource_semaphore);
switch (type)
{
case AreaResource:
{
resource=resource_info.area_limit;
break;
}
case MemoryResource:
{
resource=resource_info.memory_limit;
break;
}
case MapResource:
{
resource=resource_info.map_limit;
break;
}
case DiskResource:
{
resource=resource_info.disk_limit;
break;
}
case FileResource:
{
resource=resource_info.file_limit;
break;
}
default:
break;
}
RelinquishSemaphoreInfo(resource_semaphore);
return(resource);
}