magic.c File Reference

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

Include dependency graph for magic.c:

Go to the source code of this file.

Data Structures
struct	_MagicMapInfo
Defines
#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)
MagickPrivate MagickBooleanType	MagicComponentGenesis (void)
static void *	DestroyMagicElement (void *magic_info)
MagickPrivate 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

---

Define Documentation

#define MagicFilename   "magic.xml"

Definition at line 64 of file magic.c.

Referenced by InitializeMagicList().

#define MagickString

(

magic

)

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

Definition at line 65 of file magic.c.

---

Typedef Documentation

typedef struct _MagicMapInfo MagicMapInfo

---

Function Documentation

static void* DestroyMagicElement

(

void *

magic_info

)

[static]

Definition at line 1046 of file magic.c.

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

Referenced by MagicComponentTerminus().

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

Definition at line 248 of file magic.c.

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

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

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

Definition at line 337 of file magic.c.

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

Referenced by ListMagicInfo().

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

Definition at line 432 of file magic.c.

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

MagickExport const char* GetMagicName

(

const MagicInfo *

magic_info

)

Definition at line 497 of file magic.c.

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

Referenced by SetImageInfo().

static MagickBooleanType InitializeMagicList

(

ExceptionInfo *

exception

)

[static]

Definition at line 527 of file magic.c.

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

Referenced by GetMagicInfo().

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

Definition at line 570 of file magic.c.

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

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

Definition at line 663 of file magic.c.

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

Referenced by LoadMagicLists().

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

Definition at line 924 of file magic.c.

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

Referenced by InitializeMagicList().

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

Definition at line 417 of file magic.c.

References LocaleCompare().

Referenced by GetMagicList().

MagickPrivate MagickBooleanType MagicComponentGenesis

(

void

)

Definition at line 1021 of file magic.c.

References AcquireSemaphoreInfo(), magic_semaphore, and MagickTrue.

Referenced by MagickCoreGenesis().

MagickPrivate void MagicComponentTerminus

(

void

)

Definition at line 1067 of file magic.c.

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

Referenced by MagickCoreTerminus().

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

Definition at line 320 of file magic.c.

References LocaleCompare().

Referenced by GetMagicInfoList().

---

Variable Documentation

volatile MagickBooleanType instantiate_magic = MagickFalse [static]

Definition at line 210 of file magic.c.

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

LinkedListInfo* magic_list = (LinkedListInfo *) NULL [static]

Definition at line 204 of file magic.c.

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

SemaphoreInfo* magic_semaphore = (SemaphoreInfo *) NULL [static]

Definition at line 207 of file magic.c.

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

const MagicMapInfo MagicMap[] [static]

Definition at line 89 of file magic.c.

Referenced by LoadMagicLists().