magic.c File Reference

#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/client.h"
#include "magick/configure.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/hashmap.h"
#include "magick/magic.h"
#include "magick/memory_.h"
#include "magick/semaphore.h"
#include "magick/string_.h"
#include "magick/string-private.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xml-tree.h"

Include dependency graph for magic.c:

Data Structures
struct	_MagicMapInfo

Macros
#define	MagicFilename   "magic.xml"
#define	MagickString(magic)   (const unsigned char *) (magic), sizeof(magic)-1

Typedefs
typedef struct _MagicMapInfo	MagicMapInfo

Functions
static MagickBooleanType	InitializeMagicList (ExceptionInfo *)
static MagickBooleanType	LoadMagicLists (const char *, ExceptionInfo *)
MagickExport const MagicInfo *	GetMagicInfo (const unsigned char *magic, const size_t length, ExceptionInfo *exception)
static int	MagicInfoCompare (const void *x, const void *y)
MagickExport const MagicInfo **	GetMagicInfoList (const char *pattern, size_t *number_aliases, ExceptionInfo *exception)
static int	MagicCompare (const void *x, const void *y)
MagickExport char **	GetMagicList (const char *pattern, size_t *number_aliases, ExceptionInfo *exception)
MagickExport const char *	GetMagicName (const MagicInfo *magic_info)
MagickExport MagickBooleanType	ListMagicInfo (FILE *file, ExceptionInfo *exception)
static MagickBooleanType	LoadMagicList (const char *xml, const char *filename, const size_t depth, ExceptionInfo *exception)
MagickExport MagickBooleanType	MagicComponentGenesis (void)
static void *	DestroyMagicElement (void *magic_info)
MagickExport void	MagicComponentTerminus (void)

Variables
static const MagicMapInfo	MagicMap []
static LinkedListInfo *	magic_list = (LinkedListInfo *) NULL
static SemaphoreInfo *	magic_semaphore = (SemaphoreInfo *) NULL
static volatile MagickBooleanType	instantiate_magic = MagickFalse

Macro Definition Documentation

#define MagicFilename   "magic.xml"

Referenced by InitializeMagicList().

#define MagickString

(

magic

)

(const unsigned char *) (magic), sizeof(magic)-1

Typedef Documentation

typedef struct _MagicMapInfo MagicMapInfo

Function Documentation

static void* DestroyMagicElement ( void *  magic_info )

static

References DestroyString(), _MagicInfo::exempt, _MagicInfo::magic, MagickFalse, _MagicInfo::name, _MagicInfo::path, RelinquishMagickMemory(), and _MagicInfo::target.

Referenced by MagicComponentTerminus().

MagickExport const MagicInfo* GetMagicInfo	(	const unsigned char *	magic,
		const size_t	length,
		ExceptionInfo *	exception
	)

References GetNextValueInLinkedList(), GetValueFromLinkedList(), InitializeMagicList(), InsertValueInLinkedList(), instantiate_magic, IsLinkedListEmpty(), _MagicInfo::length, LockSemaphoreInfo(), _MagicInfo::magic, magic_list, magic_semaphore, MagickFalse, _MagicInfo::offset, RemoveElementByValueFromLinkedList(), ResetLinkedListIterator(), and UnlockSemaphoreInfo().

Referenced by GetMagicInfoList(), GetMagicList(), and SetImageInfo().

MagickExport const MagicInfo** GetMagicInfoList	(	const char *	pattern,
		size_t *	number_aliases,
		ExceptionInfo *	exception
	)

References AcquireQuantumMemory(), GetMagicInfo(), GetMagickModule, GetNextValueInLinkedList(), GetNumberOfElementsInLinkedList(), GlobExpression(), LockSemaphoreInfo(), LogMagickEvent(), magic_list, magic_semaphore, MagicInfoCompare(), MagickFalse, _MagicInfo::name, ResetLinkedListIterator(), _MagicInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

Referenced by ListMagicInfo().

MagickExport char** GetMagicList	(	const char *	pattern,
		size_t *	number_aliases,
		ExceptionInfo *	exception
	)

References AcquireQuantumMemory(), ConstantString(), GetMagicInfo(), GetMagickModule, GetNextValueInLinkedList(), GetNumberOfElementsInLinkedList(), GlobExpression(), LockSemaphoreInfo(), LogMagickEvent(), magic_list, magic_semaphore, MagicCompare(), MagickFalse, _MagicInfo::name, ResetLinkedListIterator(), _MagicInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

MagickExport const char* GetMagicName

(

const MagicInfo *

magic_info

)

References GetMagickModule, LogMagickEvent(), MagickSignature, _MagicInfo::name, _MagicInfo::signature, and TraceEvent.

Referenced by SetImageInfo().

static MagickBooleanType InitializeMagicList ( ExceptionInfo *  exception )

static

References AcquireSemaphoreInfo(), instantiate_magic, LoadMagicLists(), LockSemaphoreInfo(), magic_list, magic_semaphore, MagicFilename, MagickFalse, MagickTrue, and UnlockSemaphoreInfo().

Referenced by GetMagicInfo().

MagickExport MagickBooleanType ListMagicInfo	(	FILE *	file,
		ExceptionInfo *	exception
	)

References FormatLocaleFile(), GetMagicInfoList(), LocaleCompare(), MagickFalse, MagickTrue, _MagicInfo::offset, _MagicInfo::path, RelinquishMagickMemory(), and _MagicInfo::target.

static MagickBooleanType LoadMagicList ( const char *  xml, const char *  filename, const size_t  depth, ExceptionInfo *  exception  )

static

References AcquireMagickMemory(), AcquireString(), AppendValueToLinkedList(), ConcatenateMagickString(), ConfigureError, ConfigureEvent, ConstantString(), CopyMagickString(), DirectorySeparator, _MagicInfo::exempt, FileToString(), GetMagickModule, GetMagickToken(), GetPathComponent(), HeadPath, IsMagickTrue(), _MagicInfo::length, LocaleCompare(), LocaleNCompare(), LogMagickEvent(), _MagicInfo::magic, magic_list, MagickFalse, MagickSignature, MagickTrue, MaxTextExtent, _MagicInfo::name, NewLinkedList(), _MagicInfo::offset, _MagicInfo::path, RelinquishMagickMemory(), ResetMagickMemory(), ResourceLimitError, ResourceLimitFatalError, _MagicInfo::signature, _MagicInfo::stealth, StringToLong(), _MagicInfo::target, ThrowFatalException, ThrowFileException, and ThrowMagickException().

Referenced by LoadMagicLists().

static MagickBooleanType LoadMagicLists	(	const char *	filename,
		ExceptionInfo *	exception
	)

References AcquireMagickMemory(), AppendValueToLinkedList(), CopyMagickString(), DestroyConfigureOptions(), _MagicInfo::exempt, GetConfigureOptions(), GetMagickModule, GetNextValueInLinkedList(), GetStringInfoDatum(), GetStringInfoPath(), _MagicInfo::length, _MagicMapInfo::length, LoadMagicList(), _MagicInfo::magic, _MagicMapInfo::magic, magic_list, MagickFalse, MagickSignature, MagickTrue, MagicMap, MaxTextExtent, _MagicInfo::name, _MagicMapInfo::name, NewLinkedList(), _MagicInfo::offset, _MagicMapInfo::offset, _MagicInfo::path, ResetMagickMemory(), ResourceLimitError, _MagicInfo::signature, _MagicInfo::target, ThrowFileException, and ThrowMagickException().

Referenced by InitializeMagicList().

static int MagicCompare ( const void *  x, const void *  y  )

static

References LocaleCompare().

Referenced by GetMagicList().

MagickExport MagickBooleanType MagicComponentGenesis

(

void

)

References AcquireSemaphoreInfo(), magic_semaphore, and MagickTrue.

Referenced by MagickCoreGenesis().

MagickExport void MagicComponentTerminus

(

void

)

References AcquireSemaphoreInfo(), DestroyLinkedList(), DestroyMagicElement(), DestroySemaphoreInfo(), instantiate_magic, LockSemaphoreInfo(), magic_list, magic_semaphore, MagickFalse, and UnlockSemaphoreInfo().

Referenced by MagickCoreTerminus().

static int MagicInfoCompare ( const void *  x, const void *  y  )

static

References LocaleCompare().

Referenced by GetMagicInfoList().

Variable Documentation

volatile MagickBooleanType instantiate_magic = MagickFalse

static

Referenced by GetMagicInfo(), InitializeMagicList(), and MagicComponentTerminus().

LinkedListInfo* magic_list = (LinkedListInfo *) NULL

static

Referenced by GetMagicInfo(), GetMagicInfoList(), GetMagicList(), InitializeMagicList(), LoadMagicList(), LoadMagicLists(), and MagicComponentTerminus().

SemaphoreInfo* magic_semaphore = (SemaphoreInfo *) NULL

static

Referenced by GetMagicInfo(), GetMagicInfoList(), GetMagicList(), InitializeMagicList(), MagicComponentGenesis(), and MagicComponentTerminus().

const MagicMapInfo MagicMap[]

static

Referenced by LoadMagicLists().