imagemagick/magick/locale.c

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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L OOO CCCC AAA L EEEEE %
% L O O C A A L E %
% L O O C AAAAA L EEE %
% L O O C A A L E %
% LLLLL OOO CCCC A A LLLLL EEEEE %
% %
% %
% MagickCore Image Locale Methods %
% %
% Software Design %
% Cristy %
% July 2003 %
% %
% %
% Copyright 1999-2021 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 %
% %
% https://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 "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/image-private.h"
#include "magick/locale_.h"
#include "magick/log.h"
#include "magick/memory_.h"
#include "magick/nt-base-private.h"
#include "magick/semaphore.h"
#include "magick/splay-tree.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xml-tree.h"
#include "magick/xml-tree-private.h"
/*
Define declarations.
*/
#if (defined(MAGICKCORE_HAVE_NEWLOCALE) || defined(MAGICKCORE_WINDOWS_SUPPORT)) && !defined(__MINGW32__)
# define MAGICKCORE_LOCALE_SUPPORT
#endif
#define LocaleFilename "locale.xml"
#define MaxRecursionDepth 200
/*
Static declarations.
*/
static const char
*LocaleMap =
"<?xml version=\"1.0\"?>"
"<localemap>"
" <locale name=\"C\">"
" <Exception>"
" <Message name=\"\">"
" </Message>"
" </Exception>"
" </locale>"
"</localemap>";
#ifdef __VMS
#define asciimap AsciiMap
#endif
#if !defined(MAGICKCORE_HAVE_STRCASECMP) || !defined(MAGICKCORE_HAVE_STRNCASECMP)
static const unsigned char
AsciiMap[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73,
0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b,
0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83,
0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b,
0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3,
0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xe1, 0xe2, 0xe3, 0xe4, 0xc5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3,
0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
0xfc, 0xfd, 0xfe, 0xff,
};
#endif
static SemaphoreInfo
*locale_semaphore = (SemaphoreInfo *) NULL;
static SplayTreeInfo
*locale_cache = (SplayTreeInfo *) NULL;
#if defined(MAGICKCORE_LOCALE_SUPPORT)
static volatile locale_t
c_locale = (locale_t) NULL;
#endif
/*
Forward declarations.
*/
static MagickBooleanType
IsLocaleTreeInstantiated(ExceptionInfo *),
LoadLocaleCache(SplayTreeInfo *,const char *,const char *,const char *,
const size_t,ExceptionInfo *);
#if defined(MAGICKCORE_LOCALE_SUPPORT)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ A c q u i r e C L o c a l e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireCLocale() allocates the C locale object, or (locale_t) 0 with
% errno set if it cannot be acquired.
%
% The format of the AcquireCLocale method is:
%
% locale_t AcquireCLocale(void)
%
*/
static locale_t AcquireCLocale(void)
{
#if defined(MAGICKCORE_HAVE_NEWLOCALE)
if (c_locale == (locale_t) NULL)
c_locale=newlocale(LC_ALL_MASK,"C",(locale_t) 0);
#elif defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__MINGW32__)
if (c_locale == (locale_t) NULL)
c_locale=_create_locale(LC_ALL,"C");
#endif
return(c_locale);
}
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e L o c a l e S p l a y T r e e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireLocaleSplayTree() caches one or more locale configurations which
% provides a mapping between locale attributes and a locale tag.
%
% The format of the AcquireLocaleSplayTree method is:
%
% SplayTreeInfo *AcquireLocaleSplayTree(const char *filename,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o filename: the font file tag.
%
% o locale: the actual locale.
%
% o exception: return any errors or warnings in this structure.
%
*/
static void *DestroyLocaleNode(void *locale_info)
{
LocaleInfo
*p;
p=(LocaleInfo *) locale_info;
if (p->path != (char *) NULL)
p->path=DestroyString(p->path);
if (p->tag != (char *) NULL)
p->tag=DestroyString(p->tag);
if (p->message != (char *) NULL)
p->message=DestroyString(p->message);
return(RelinquishMagickMemory(p));
}
static SplayTreeInfo *AcquireLocaleSplayTree(const char *filename,
const char *locale,ExceptionInfo *exception)
{
MagickStatusType
status;
SplayTreeInfo
*cache;
cache=NewSplayTree(CompareSplayTreeString,(void *(*)(void *)) NULL,
DestroyLocaleNode);
if (cache == (SplayTreeInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
status=MagickTrue;
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
{
const StringInfo
*option;
LinkedListInfo
*options;
options=GetLocaleOptions(filename,exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
while (option != (const StringInfo *) NULL)
{
status&=LoadLocaleCache(cache,(const char *) GetStringInfoDatum(option),
GetStringInfoPath(option),locale,0,exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
}
options=DestroyLocaleOptions(options);
if (GetNumberOfNodesInSplayTree(cache) == 0)
{
options=GetLocaleOptions("english.xml",exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
while (option != (const StringInfo *) NULL)
{
status&=LoadLocaleCache(cache,(const char *)
GetStringInfoDatum(option),GetStringInfoPath(option),locale,0,
exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
}
options=DestroyLocaleOptions(options);
}
}
#endif
if (GetNumberOfNodesInSplayTree(cache) == 0)
status&=LoadLocaleCache(cache,LocaleMap,"built-in",locale,0,
exception);
return(cache);
}
#if defined(MAGICKCORE_LOCALE_SUPPORT)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y C L o c a l e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyCLocale() releases the resources allocated for a locale object
% returned by a call to the AcquireCLocale() method.
%
% The format of the DestroyCLocale method is:
%
% void DestroyCLocale(void)
%
*/
static void DestroyCLocale(void)
{
if (c_locale != (locale_t) NULL)
freelocale(c_locale);
c_locale=(locale_t) NULL;
}
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y L o c a l e O p t i o n s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyLocaleOptions() releases memory associated with an locale
% messages.
%
% The format of the DestroyProfiles method is:
%
% LinkedListInfo *DestroyLocaleOptions(Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
static void *DestroyOptions(void *message)
{
return(DestroyStringInfo((StringInfo *) message));
}
MagickExport LinkedListInfo *DestroyLocaleOptions(LinkedListInfo *messages)
{
assert(messages != (LinkedListInfo *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
return(DestroyLinkedList(messages,DestroyOptions));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ F o r m a t L o c a l e F i l e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% FormatLocaleFile() prints formatted output of a variable argument list to a
% file in the "C" locale.
%
% The format of the FormatLocaleFile method is:
%
% ssize_t FormatLocaleFile(FILE *file,const char *format,...)
%
% A description of each parameter follows.
%
% o file: the file.
%
% o format: A file describing the format to use to write the remaining
% arguments.
%
*/
MagickExport ssize_t FormatLocaleFileList(FILE *file,
const char *magick_restrict format,va_list operands)
{
ssize_t
n;
#if defined(MAGICKCORE_LOCALE_SUPPORT) && defined(MAGICKCORE_HAVE_VFPRINTF_L)
{
locale_t
locale;
locale=AcquireCLocale();
if (locale == (locale_t) NULL)
n=(ssize_t) vfprintf(file,format,operands);
else
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
n=(ssize_t) vfprintf_l(file,format,locale,operands);
#else
n=(ssize_t) vfprintf_l(file,locale,format,operands);
#endif
}
#else
#if defined(MAGICKCORE_LOCALE_SUPPORT) && defined(MAGICKCORE_HAVE_USELOCALE)
{
locale_t
locale,
previous_locale;
locale=AcquireCLocale();
if (locale == (locale_t) NULL)
n=(ssize_t) vfprintf(file,format,operands);
else
{
previous_locale=uselocale(locale);
n=(ssize_t) vfprintf(file,format,operands);
uselocale(previous_locale);
}
}
#else
n=(ssize_t) vfprintf(file,format,operands);
#endif
#endif
return(n);
}
MagickExport ssize_t FormatLocaleFile(FILE *file,
const char *magick_restrict format,...)
{
ssize_t
n;
va_list
operands;
va_start(operands,format);
n=FormatLocaleFileList(file,format,operands);
va_end(operands);
return(n);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ F o r m a t L o c a l e S t r i n g %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% FormatLocaleString() prints formatted output of a variable argument list to
% a string buffer in the "C" locale.
%
% The format of the FormatLocaleString method is:
%
% ssize_t FormatLocaleString(char *string,const size_t length,
% const char *format,...)
%
% A description of each parameter follows.
%
% o string: FormatLocaleString() returns the formatted string in this
% character buffer.
%
% o length: the maximum length of the string.
%
% o format: A string describing the format to use to write the remaining
% arguments.
%
*/
MagickExport ssize_t FormatLocaleStringList(char *magick_restrict string,
const size_t length,const char *magick_restrict format,va_list operands)
{
ssize_t
n;
#if defined(MAGICKCORE_LOCALE_SUPPORT) && defined(MAGICKCORE_HAVE_VSNPRINTF_L)
{
locale_t
locale;
locale=AcquireCLocale();
if (locale == (locale_t) NULL)
n=(ssize_t) vsnprintf(string,length,format,operands);
else
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
n=(ssize_t) vsnprintf_l(string,length,format,locale,operands);
#else
n=(ssize_t) vsnprintf_l(string,length,locale,format,operands);
#endif
}
#elif defined(MAGICKCORE_HAVE_VSNPRINTF)
#if defined(MAGICKCORE_LOCALE_SUPPORT) && defined(MAGICKCORE_HAVE_USELOCALE)
{
locale_t
locale,
previous_locale;
locale=AcquireCLocale();
if (locale == (locale_t) NULL)
n=(ssize_t) vsnprintf(string,length,format,operands);
else
{
previous_locale=uselocale(locale);
n=(ssize_t) vsnprintf(string,length,format,operands);
uselocale(previous_locale);
}
}
#else
n=(ssize_t) vsnprintf(string,length,format,operands);
#endif
#else
n=(ssize_t) vsprintf(string,format,operands);
#endif
if (n < 0)
string[length-1]='\0';
return(n);
}
MagickExport ssize_t FormatLocaleString(char *magick_restrict string,
const size_t length,const char *magick_restrict format,...)
{
ssize_t
n;
va_list
operands;
va_start(operands,format);
n=FormatLocaleStringList(string,length,format,operands);
va_end(operands);
return(n);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ 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)
{
const LocaleInfo
*locale_info;
assert(exception != (ExceptionInfo *) NULL);
if (IsLocaleTreeInstantiated(exception) == MagickFalse)
return((const LocaleInfo *) NULL);
LockSemaphoreInfo(locale_semaphore);
if ((tag == (const char *) NULL) || (LocaleCompare(tag,"*") == 0))
{
ResetSplayTreeIterator(locale_cache);
locale_info=(const LocaleInfo *) GetNextValueInSplayTree(locale_cache);
UnlockSemaphoreInfo(locale_semaphore);
return(locale_info);
}
locale_info=(const LocaleInfo *) GetValueFromSplayTree(locale_cache,tag);
UnlockSemaphoreInfo(locale_semaphore);
return(locale_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t L o c a l e I n f o L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetLocaleInfoList() returns any locale messages that match the
% specified pattern.
%
% The format of the GetLocaleInfoList function is:
%
% const LocaleInfo **GetLocaleInfoList(const char *pattern,
% size_t *number_messages,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_messages: This integer returns the number of locale messages in
% the list.
%
% o exception: return any errors or warnings in this structure.
%
*/
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int LocaleInfoCompare(const void *x,const void *y)
{
const LocaleInfo
**p,
**q;
p=(const LocaleInfo **) x,
q=(const LocaleInfo **) y;
if (LocaleCompare((*p)->path,(*q)->path) == 0)
return(LocaleCompare((*p)->tag,(*q)->tag));
return(LocaleCompare((*p)->path,(*q)->path));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
MagickExport const LocaleInfo **GetLocaleInfoList(const char *pattern,
size_t *number_messages,ExceptionInfo *exception)
{
const LocaleInfo
**messages;
const LocaleInfo
*p;
ssize_t
i;
/*
Allocate locale list.
*/
assert(pattern != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
assert(number_messages != (size_t *) NULL);
*number_messages=0;
p=GetLocaleInfo_("*",exception);
if (p == (const LocaleInfo *) NULL)
return((const LocaleInfo **) NULL);
messages=(const LocaleInfo **) AcquireQuantumMemory((size_t)
GetNumberOfNodesInSplayTree(locale_cache)+1UL,sizeof(*messages));
if (messages == (const LocaleInfo **) NULL)
return((const LocaleInfo **) NULL);
/*
Generate locale list.
*/
LockSemaphoreInfo(locale_semaphore);
ResetSplayTreeIterator(locale_cache);
p=(const LocaleInfo *) GetNextValueInSplayTree(locale_cache);
for (i=0; p != (const LocaleInfo *) NULL; )
{
if ((p->stealth == MagickFalse) &&
(GlobExpression(p->tag,pattern,MagickTrue) != MagickFalse))
messages[i++]=p;
p=(const LocaleInfo *) GetNextValueInSplayTree(locale_cache);
}
UnlockSemaphoreInfo(locale_semaphore);
qsort((void *) messages,(size_t) i,sizeof(*messages),LocaleInfoCompare);
messages[i]=(LocaleInfo *) NULL;
*number_messages=(size_t) i;
return(messages);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t L o c a l e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetLocaleList() returns any locale messages that match the specified
% pattern.
%
% The format of the GetLocaleList function is:
%
% char **GetLocaleList(const char *pattern,size_t *number_messages,
% Exceptioninfo *exception)
%
% A description of each parameter follows:
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_messages: This integer returns the number of messages in the
% list.
%
% o exception: return any errors or warnings in this structure.
%
*/
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int LocaleTagCompare(const void *x,const void *y)
{
char
**p,
**q;
p=(char **) x;
q=(char **) y;
return(LocaleCompare(*p,*q));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
MagickExport char **GetLocaleList(const char *pattern,
size_t *number_messages,ExceptionInfo *exception)
{
char
**messages;
const LocaleInfo
*p;
ssize_t
i;
/*
Allocate locale list.
*/
assert(pattern != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
assert(number_messages != (size_t *) NULL);
*number_messages=0;
p=GetLocaleInfo_("*",exception);
if (p == (const LocaleInfo *) NULL)
return((char **) NULL);
messages=(char **) AcquireQuantumMemory((size_t)
GetNumberOfNodesInSplayTree(locale_cache)+1UL,sizeof(*messages));
if (messages == (char **) NULL)
return((char **) NULL);
LockSemaphoreInfo(locale_semaphore);
p=(const LocaleInfo *) GetNextValueInSplayTree(locale_cache);
for (i=0; p != (const LocaleInfo *) NULL; )
{
if ((p->stealth == MagickFalse) &&
(GlobExpression(p->tag,pattern,MagickTrue) != MagickFalse))
messages[i++]=ConstantString(p->tag);
p=(const LocaleInfo *) GetNextValueInSplayTree(locale_cache);
}
UnlockSemaphoreInfo(locale_semaphore);
qsort((void *) messages,(size_t) i,sizeof(*messages),LocaleTagCompare);
messages[i]=(char *) NULL;
*number_messages=(size_t) i;
return(messages);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t L o c a l e M e s s a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetLocaleMessage() returns a message in the current locale that matches the
% supplied tag.
%
% The format of the GetLocaleMessage method is:
%
% const char *GetLocaleMessage(const char *tag)
%
% A description of each parameter follows:
%
% o tag: Return a message that matches this tag in the current locale.
%
*/
MagickExport const char *GetLocaleMessage(const char *tag)
{
char
name[MaxTextExtent];
const LocaleInfo
*locale_info;
ExceptionInfo
*exception;
if ((tag == (const char *) NULL) || (*tag == '\0'))
return(tag);
exception=AcquireExceptionInfo();
(void) FormatLocaleString(name,MaxTextExtent,"%s/",tag);
locale_info=GetLocaleInfo_(name,exception);
exception=DestroyExceptionInfo(exception);
if (locale_info != (const LocaleInfo *) NULL)
return(locale_info->message);
return(tag);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t L o c a l e O p t i o n s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetLocaleOptions() returns any Magick configuration messages associated
% with the specified filename.
%
% The format of the GetLocaleOptions method is:
%
% LinkedListInfo *GetLocaleOptions(const char *filename,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o filename: the locale file tag.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport LinkedListInfo *GetLocaleOptions(const char *filename,
ExceptionInfo *exception)
{
char
path[MaxTextExtent];
const char
*element;
LinkedListInfo
*messages,
*paths;
StringInfo
*xml;
assert(filename != (const char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
assert(exception != (ExceptionInfo *) NULL);
(void) CopyMagickString(path,filename,MaxTextExtent);
/*
Load XML from configuration files to linked-list.
*/
messages=NewLinkedList(0);
paths=GetConfigurePaths(filename,exception);
if (paths != (LinkedListInfo *) NULL)
{
ResetLinkedListIterator(paths);
element=(const char *) GetNextValueInLinkedList(paths);
while (element != (const char *) NULL)
{
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",element,filename);
(void) LogMagickEvent(LocaleEvent,GetMagickModule(),
"Searching for locale file: \"%s\"",path);
xml=ConfigureFileToStringInfo(path);
if (xml != (StringInfo *) NULL)
(void) AppendValueToLinkedList(messages,xml);
element=(const char *) GetNextValueInLinkedList(paths);
}
paths=DestroyLinkedList(paths,RelinquishMagickMemory);
}
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
{
char
*blob;
blob=(char *) NTResourceToBlob(filename);
if (blob != (char *) NULL)
{
xml=AcquireStringInfo(0);
SetStringInfoLength(xml,strlen(blob)+1);
SetStringInfoDatum(xml,(const unsigned char *) blob);
blob=(char *) RelinquishMagickMemory(blob);
SetStringInfoPath(xml,filename);
(void) AppendValueToLinkedList(messages,xml);
}
}
#endif
ResetLinkedListIterator(messages);
return(messages);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t L o c a l e V a l u e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetLocaleValue() returns the message associated with the locale info.
%
% The format of the GetLocaleValue method is:
%
% const char *GetLocaleValue(const LocaleInfo *locale_info)
%
% A description of each parameter follows:
%
% o locale_info: The locale info.
%
*/
MagickExport const char *GetLocaleValue(const LocaleInfo *locale_info)
{
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(locale_info != (LocaleInfo *) NULL);
assert(locale_info->signature == MagickCoreSignature);
return(locale_info->message);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I s L o c a l e T r e e I n s t a n t i a t e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% IsLocaleTreeInstantiated() determines if the locale tree is instantiated.
% If not, it instantiates the tree and returns it.
%
% The format of the IsLocaleInstantiated method is:
%
% MagickBooleanType IsLocaleTreeInstantiated(ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType IsLocaleTreeInstantiated(ExceptionInfo *exception)
{
if (locale_cache == (SplayTreeInfo *) NULL)
{
if (locale_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&locale_semaphore);
LockSemaphoreInfo(locale_semaphore);
if (locale_cache == (SplayTreeInfo *) NULL)
{
char
*locale;
const char
*p;
locale=(char *) NULL;
p=setlocale(LC_CTYPE,(const char *) NULL);
if (p != (const char *) NULL)
locale=ConstantString(p);
if (locale == (char *) NULL)
locale=GetEnvironmentValue("LC_ALL");
if (locale == (char *) NULL)
locale=GetEnvironmentValue("LC_MESSAGES");
if (locale == (char *) NULL)
locale=GetEnvironmentValue("LC_CTYPE");
if (locale == (char *) NULL)
locale=GetEnvironmentValue("LANG");
if (locale == (char *) NULL)
locale=ConstantString("C");
locale_cache=AcquireLocaleSplayTree(LocaleFilename,locale,exception);
locale=DestroyString(locale);
}
UnlockSemaphoreInfo(locale_semaphore);
}
return(locale_cache != (SplayTreeInfo *) NULL ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I n t e r p r e t L o c a l e V a l u e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InterpretLocaleValue() interprets the string as a floating point number in
% the "C" locale and returns its value as a double. If sentinal is not a null
% pointer, the method also sets the value pointed by sentinal to point to the
% first character after the number.
%
% The format of the InterpretLocaleValue method is:
%
% double InterpretLocaleValue(const char *value,char **sentinal)
%
% A description of each parameter follows:
%
% o value: the string value.
%
% o sentinal: if sentinal is not NULL, a pointer to the character after the
% last character used in the conversion is stored in the location
% referenced by sentinal.
%
*/
MagickExport double InterpretLocaleValue(const char *magick_restrict string,
char **magick_restrict sentinal)
{
char
*q;
double
value;
if ((*string == '0') && ((string[1] | 0x20)=='x'))
value=(double) strtoul(string,&q,16);
else
{
#if defined(MAGICKCORE_LOCALE_SUPPORT) && defined(MAGICKCORE_HAVE_STRTOD_L)
locale_t
locale;
locale=AcquireCLocale();
if (locale == (locale_t) NULL)
value=strtod(string,&q);
else
value=strtod_l(string,&q,locale);
#else
value=strtod(string,&q);
#endif
}
if (sentinal != (char **) NULL)
*sentinal=q;
return(value);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L i s t L o c a l e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ListLocaleInfo() lists the locale info to a file.
%
% The format of the ListLocaleInfo method is:
%
% MagickBooleanType ListLocaleInfo(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 ListLocaleInfo(FILE *file,
ExceptionInfo *exception)
{
const char
*path;
const LocaleInfo
**locale_info;
ssize_t
i;
size_t
number_messages;
if (file == (const FILE *) NULL)
file=stdout;
number_messages=0;
locale_info=GetLocaleInfoList("*",&number_messages,exception);
if (locale_info == (const LocaleInfo **) NULL)
return(MagickFalse);
path=(const char *) NULL;
for (i=0; i < (ssize_t) number_messages; i++)
{
if (locale_info[i]->stealth != MagickFalse)
continue;
if ((path == (const char *) NULL) ||
(LocaleCompare(path,locale_info[i]->path) != 0))
{
if (locale_info[i]->path != (char *) NULL)
(void) FormatLocaleFile(file,"\nPath: %s\n\n",locale_info[i]->path);
(void) FormatLocaleFile(file,"Tag/Message\n");
(void) FormatLocaleFile(file,
"-------------------------------------------------"
"------------------------------\n");
}
path=locale_info[i]->path;
(void) FormatLocaleFile(file,"%s\n",locale_info[i]->tag);
if (locale_info[i]->message != (char *) NULL)
(void) FormatLocaleFile(file," %s",locale_info[i]->message);
(void) FormatLocaleFile(file,"\n");
}
(void) fflush(file);
locale_info=(const LocaleInfo **)
RelinquishMagickMemory((void *) locale_info);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ L o a d L o c a l e C a c h e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LoadLocaleCache() loads the locale configurations which provides a mapping
% between locale attributes and a locale name.
%
% The format of the LoadLocaleCache method is:
%
% MagickBooleanType LoadLocaleCache(SplayTreeInfo *cache,const char *xml,
% const char *filename,const size_t depth,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o xml: The locale list in XML format.
%
% o filename: The locale list filename.
%
% o depth: depth of <include /> statements.
%
% o exception: return any errors or warnings in this structure.
%
*/
static void ChopLocaleComponents(char *path,const size_t components)
{
char
*p;
ssize_t
count;
if (*path == '\0')
return;
p=path+strlen(path)-1;
if (*p == '/')
*p='\0';
for (count=0; (count < (ssize_t) components) && (p > path); p--)
if (*p == '/')
{
*p='\0';
count++;
}
if (count < (ssize_t) components)
*path='\0';
}
static void LocaleFatalErrorHandler(
const ExceptionType magick_unused(severity),
const char *reason,const char *description)
{
magick_unreferenced(severity);
if (reason == (char *) NULL)
return;
(void) FormatLocaleFile(stderr,"%s: %s",GetClientName(),reason);
if (description != (char *) NULL)
(void) FormatLocaleFile(stderr," (%s)",description);
(void) FormatLocaleFile(stderr,".\n");
(void) fflush(stderr);
exit(1);
}
static MagickBooleanType LoadLocaleCache(SplayTreeInfo *cache,const char *xml,
const char *filename,const char *locale,const size_t depth,
ExceptionInfo *exception)
{
char
keyword[MaxTextExtent],
message[MaxTextExtent],
tag[MaxTextExtent],
*token;
const char
*q;
FatalErrorHandler
fatal_handler;
LocaleInfo
*locale_info;
MagickStatusType
status;
char
*p;
size_t
extent;
/*
Read the locale configure file.
*/
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
"Loading locale configure file \"%s\" ...",filename);
if (xml == (const char *) NULL)
return(MagickFalse);
status=MagickTrue;
locale_info=(LocaleInfo *) NULL;
*tag='\0';
*message='\0';
*keyword='\0';
fatal_handler=SetFatalErrorHandler(LocaleFatalErrorHandler);
token=AcquireString(xml);
extent=strlen(token)+MaxTextExtent;
for (q=(char *) xml; *q != '\0'; )
{
/*
Interpret XML.
*/
(void) GetNextToken(q,&q,extent,token);
if (*token == '\0')
break;
(void) CopyMagickString(keyword,token,MaxTextExtent);
if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0)
{
/*
Doctype element.
*/
while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0'))
{
(void) GetNextToken(q,&q,extent,token);
while (isspace((int) ((unsigned char) *q)) != 0)
q++;
}
continue;
}
if (LocaleNCompare(keyword,"<!--",4) == 0)
{
/*
Comment element.
*/
while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0'))
{
(void) GetNextToken(q,&q,extent,token);
while (isspace((int) ((unsigned char) *q)) != 0)
q++;
}
continue;
}
if (LocaleCompare(keyword,"<include") == 0)
{
/*
Include element.
*/
while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0'))
{
(void) CopyMagickString(keyword,token,MaxTextExtent);
(void) GetNextToken(q,&q,extent,token);
if (*token != '=')
continue;
(void) GetNextToken(q,&q,extent,token);
if (LocaleCompare(keyword,"locale") == 0)
{
if (LocaleCompare(locale,token) != 0)
break;
continue;
}
if (LocaleCompare(keyword,"file") == 0)
{
if (depth > MagickMaxRecursionDepth)
(void) ThrowMagickException(exception,GetMagickModule(),
ConfigureError,"IncludeElementNestedTooDeeply","`%s'",token);
else
{
char
path[MaxTextExtent],
*xml;
*path='\0';
GetPathComponent(filename,HeadPath,path);
if (*path != '\0')
(void) ConcatenateMagickString(path,DirectorySeparator,
MaxTextExtent);
if (*token == *DirectorySeparator)
(void) CopyMagickString(path,token,MaxTextExtent);
else
(void) ConcatenateMagickString(path,token,MaxTextExtent);
xml=FileToXML(path,~0UL);
if (xml != (char *) NULL)
{
status&=LoadLocaleCache(cache,xml,path,locale,
depth+1,exception);
xml=(char *) RelinquishMagickMemory(xml);
}
}
}
}
continue;
}
if (LocaleCompare(keyword,"<locale") == 0)
{
/*
Locale element.
*/
while ((*token != '>') && (*q != '\0'))
{
(void) CopyMagickString(keyword,token,MaxTextExtent);
(void) GetNextToken(q,&q,extent,token);
if (*token != '=')
continue;
(void) GetNextToken(q,&q,extent,token);
}
continue;
}
if (LocaleCompare(keyword,"</locale>") == 0)
{
ChopLocaleComponents(tag,1);
(void) ConcatenateMagickString(tag,"/",MaxTextExtent);
continue;
}
if (LocaleCompare(keyword,"<localemap>") == 0)
continue;
if (LocaleCompare(keyword,"</localemap>") == 0)
continue;
if (LocaleCompare(keyword,"<message") == 0)
{
/*
Message element.
*/
while ((*token != '>') && (*q != '\0'))
{
(void) CopyMagickString(keyword,token,MaxTextExtent);
(void) GetNextToken(q,&q,extent,token);
if (*token != '=')
continue;
(void) GetNextToken(q,&q,extent,token);
if (LocaleCompare(keyword,"name") == 0)
{
(void) ConcatenateMagickString(tag,token,MaxTextExtent);
(void) ConcatenateMagickString(tag,"/",MaxTextExtent);
}
}
for (p=(char *) q; (*q != '<') && (*q != '\0'); q++) ;
while (isspace((int) ((unsigned char) *p)) != 0)
p++;
q--;
while ((isspace((int) ((unsigned char) *q)) != 0) && (q > p))
q--;
(void) CopyMagickString(message,p,MagickMin((size_t) (q-p+2),
MaxTextExtent));
locale_info=(LocaleInfo *) AcquireMagickMemory(sizeof(*locale_info));
if (locale_info == (LocaleInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) memset(locale_info,0,sizeof(*locale_info));
locale_info->path=ConstantString(filename);
locale_info->tag=ConstantString(tag);
locale_info->message=ConstantString(message);
locale_info->signature=MagickCoreSignature;
status=AddValueToSplayTree(cache,locale_info->tag,locale_info);
if (status == MagickFalse)
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
locale_info->tag);
(void) ConcatenateMagickString(tag,message,MaxTextExtent);
(void) ConcatenateMagickString(tag,"\n",MaxTextExtent);
q++;
continue;
}
if (LocaleCompare(keyword,"</message>") == 0)
{
ChopLocaleComponents(tag,2);
(void) ConcatenateMagickString(tag,"/",MaxTextExtent);
continue;
}
if (*keyword == '<')
{
/*
Subpath element.
*/
if (*(keyword+1) == '?')
continue;
if (*(keyword+1) == '/')
{
ChopLocaleComponents(tag,1);
if (*tag != '\0')
(void) ConcatenateMagickString(tag,"/",MaxTextExtent);
continue;
}
token[strlen(token)-1]='\0';
(void) CopyMagickString(token,token+1,MaxTextExtent);
(void) ConcatenateMagickString(tag,token,MaxTextExtent);
(void) ConcatenateMagickString(tag,"/",MaxTextExtent);
continue;
}
(void) GetNextToken(q,(const char **) NULL,extent,token);
if (*token != '=')
continue;
}
token=(char *) RelinquishMagickMemory(token);
(void) SetFatalErrorHandler(fatal_handler);
return(status != 0 ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o c a l e C o m p a r e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleCompare() performs a case-insensitive comparison of two strings
% byte-by-byte, according to the ordering of the current locale encoding.
% LocaleCompare returns an integer greater than, equal to, or less than 0,
% if the string pointed to by p is greater than, equal to, or less than the
% string pointed to by q respectively. The sign of a non-zero return value
% is determined by the sign of the difference between the values of the first
% pair of bytes that differ in the strings being compared.
%
% The format of the LocaleCompare method is:
%
% int LocaleCompare(const char *p,const char *q)
%
% A description of each parameter follows:
%
% o p: A pointer to a character string.
%
% o q: A pointer to a character string to compare to p.
%
*/
MagickExport int LocaleCompare(const char *p,const char *q)
{
if (p == (char *) NULL)
{
if (q == (char *) NULL)
return(0);
return(-1);
}
if (q == (char *) NULL)
return(1);
#if defined(MAGICKCORE_HAVE_STRCASECMP)
return(strcasecmp(p,q));
#else
{
int
c,
d;
for ( ; ; )
{
c=(int) *((unsigned char *) p);
d=(int) *((unsigned char *) q);
if ((c == 0) || (AsciiMap[c] != AsciiMap[d]))
break;
p++;
q++;
}
return(AsciiMap[c]-(int) AsciiMap[d]);
}
#endif
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o c a l e L o w e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleLower() transforms all of the characters in the supplied
% null-terminated string, changing all uppercase letters to lowercase.
%
% The format of the LocaleLower method is:
%
% void LocaleLower(char *string)
%
% A description of each parameter follows:
%
% o string: A pointer to the string to convert to lower-case Locale.
%
*/
MagickExport void LocaleLower(char *string)
{
char
*q;
assert(string != (char *) NULL);
for (q=string; *q != '\0'; q++)
*q=(char) LocaleLowercase((int) *q);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o c a l e L o w e r c a s e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleLowercase() convert to uppercase.
%
% The format of the LocaleLowercase method is:
%
% void LocaleLowercase(const int c)
%
% A description of each parameter follows:
%
% o If c is a uppercase letter, return its lowercase equivalent.
%
*/
MagickExport int LocaleLowercase(const int c)
{
if ((c == EOF) || (c != (unsigned char) c))
return(c);
#if defined(MAGICKCORE_LOCALE_SUPPORT)
if (c_locale != (locale_t) NULL)
return(tolower_l((int) ((unsigned char) c),c_locale));
#endif
return(tolower((int) ((unsigned char) c)));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o c a l e N C o m p a r e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleNCompare() performs a case-insensitive comparison of two strings
% byte-by-byte, according to the ordering of the current locale encoding.
%
% LocaleNCompare returns an integer greater than, equal to, or less than 0,
% if the string pointed to by p is greater than, equal to, or less than the
% string pointed to by q respectively. The sign of a non-zero return value
% is determined by the sign of the difference between the values of the first
% pair of bytes that differ in the strings being compared.
%
% The LocaleNCompare method makes the same comparison as LocaleCompare but
% looks at a maximum of n bytes. Bytes following a null byte are not
% compared.
%
% The format of the LocaleNCompare method is:
%
% int LocaleNCompare(const char *p,const char *q,const size_t n)
%
% A description of each parameter follows:
%
% o p: A pointer to a character string.
%
% o q: A pointer to a character string to compare to p.
%
% o length: the number of characters to compare in strings p and q.
%
*/
MagickExport int LocaleNCompare(const char *p,const char *q,const size_t length)
{
if (p == (char *) NULL)
{
if (q == (char *) NULL)
return(0);
return(-1);
}
if (q == (char *) NULL)
return(1);
#if defined(MAGICKCORE_HAVE_STRNCASECMP)
return(strncasecmp(p,q,length));
#else
{
int
c,
d;
size_t
i;
for (i=length; i != 0; i--)
{
c=(int) *((unsigned char *) p);
d=(int) *((unsigned char *) q);
if (AsciiMap[c] != AsciiMap[d])
return(AsciiMap[c]-(int) AsciiMap[d]);
if (c == 0)
return(0);
p++;
q++;
}
return(0);
}
#endif
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o c a l e U p p e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleUpper() transforms all of the characters in the supplied
% null-terminated string, changing all lowercase letters to uppercase.
%
% The format of the LocaleUpper method is:
%
% void LocaleUpper(char *string)
%
% A description of each parameter follows:
%
% o string: A pointer to the string to convert to upper-case Locale.
%
*/
MagickExport void LocaleUpper(char *string)
{
char
*q;
assert(string != (char *) NULL);
for (q=string; *q != '\0'; q++)
*q=(char) LocaleUppercase((int) *q);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o c a l e U p p e r c a s e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleUppercase() convert to uppercase.
%
% The format of the LocaleUppercase method is:
%
% void LocaleUppercase(const int c)
%
% A description of each parameter follows:
%
% o If c is a lowercase letter, return its uppercase equivalent.
%
*/
MagickExport int LocaleUppercase(const int c)
{
if (c == EOF)
return(c);
#if defined(MAGICKCORE_LOCALE_SUPPORT)
if (c_locale != (locale_t) NULL)
return(toupper_l((int) ((unsigned char) c),c_locale));
#endif
return(toupper((int) ((unsigned char) c)));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ L o c a l e C o m p o n e n t G e n e s i s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleComponentGenesis() instantiates the locale component.
%
% The format of the LocaleComponentGenesis method is:
%
% MagickBooleanType LocaleComponentGenesis(void)
%
*/
MagickExport MagickBooleanType LocaleComponentGenesis(void)
{
if (locale_semaphore == (SemaphoreInfo *) NULL)
locale_semaphore=AllocateSemaphoreInfo();
#if defined(MAGICKCORE_LOCALE_SUPPORT)
(void) AcquireCLocale();
#endif
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ L o c a l e C o m p o n e n t T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LocaleComponentTerminus() destroys the locale component.
%
% The format of the LocaleComponentTerminus method is:
%
% LocaleComponentTerminus(void)
%
*/
MagickExport void LocaleComponentTerminus(void)
{
if (locale_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&locale_semaphore);
LockSemaphoreInfo(locale_semaphore);
if (locale_cache != (SplayTreeInfo *) NULL)
locale_cache=DestroySplayTree(locale_cache);
#if defined(MAGICKCORE_LOCALE_SUPPORT)
DestroyCLocale();
#endif
UnlockSemaphoreInfo(locale_semaphore);
DestroySemaphoreInfo(&locale_semaphore);
}