MagickCore  7.1.0
string.c
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1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % SSSSS TTTTT RRRR IIIII N N GGGG %
7 % SS T R R I NN N G %
8 % SSS T RRRR I N N N G GGG %
9 % SS T R R I N NN G G %
10 % SSSSS T R R IIIII N N GGGG %
11 % %
12 % %
13 % MagickCore String Methods %
14 % %
15 % Software Design %
16 % Cristy %
17 % August 2003 %
18 % %
19 % %
20 % Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
22 % %
23 % You may not use this file except in compliance with the license. You may %
24 % obtain a copy of the license at %
25 % %
26 % https://imagemagick.org/script/license.php %
27 % %
28 % unless required by applicable law or agreed to in writing, software %
29 % distributed under the license is distributed on an "as is" basis, %
30 % without warranties or conditions of any kind, either express or implied. %
31 % See the license for the specific language governing permissions and %
32 % limitations under the license. %
33 % %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 %
36 %
37 */
38 
39 /*
40  Include declarations.
41 */
42 #include "MagickCore/studio.h"
43 #include "MagickCore/blob.h"
45 #include "MagickCore/exception.h"
48 #include "MagickCore/list.h"
49 #include "MagickCore/locale_.h"
50 #include "MagickCore/log.h"
51 #include "MagickCore/memory_.h"
54 #include "MagickCore/property.h"
55 #include "MagickCore/resource_.h"
57 #include "MagickCore/string_.h"
60 
61 /*
62  Define declarations.
63 */
64 #define CharsPerLine 0x14
65 
66 /*
67 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
68 % %
69 % %
70 % %
71 % A c q u i r e S t r i n g %
72 % %
73 % %
74 % %
75 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
76 %
77 % AcquireString() returns an new extended string, containing a clone of the
78 % given string.
79 %
80 % An extended string is the string length, plus an extra MagickPathExtent space
81 % to allow for the string to be actively worked on.
82 %
83 % The returned string shoud be freed using DestoryString().
84 %
85 % The format of the AcquireString method is:
86 %
87 % char *AcquireString(const char *source)
88 %
89 % A description of each parameter follows:
90 %
91 % o source: A character string.
92 %
93 */
94 MagickExport char *AcquireString(const char *source)
95 {
96  char
97  *destination;
98 
99  size_t
100  length;
101 
102  length=0;
103  if (source != (char *) NULL)
104  length+=strlen(source);
105  if (~length < MagickPathExtent)
106  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
107  destination=(char *) AcquireQuantumMemory(length+MagickPathExtent,
108  sizeof(*destination));
109  if (destination == (char *) NULL)
110  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
111  if (source != (char *) NULL)
112  (void) memcpy(destination,source,length*sizeof(*destination));
113  destination[length]='\0';
114  return(destination);
115 }
116 
117 /*
118 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
119 % %
120 % %
121 % %
122 % A c q u i r e S t r i n g I n f o %
123 % %
124 % %
125 % %
126 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
127 %
128 % AcquireStringInfo() allocates the StringInfo structure.
129 %
130 % The format of the AcquireStringInfo method is:
131 %
132 % StringInfo *AcquireStringInfo(const size_t length)
133 %
134 % A description of each parameter follows:
135 %
136 % o length: the string length.
137 %
138 */
139 
141 {
142  StringInfo
143  *string_info;
144 
145  string_info=(StringInfo *) AcquireCriticalMemory(sizeof(*string_info));
146  (void) memset(string_info,0,sizeof(*string_info));
147  string_info->signature=MagickCoreSignature;
148  return(string_info);
149 }
150 
152 {
153  StringInfo
154  *string_info;
155 
156  string_info=AcquireStringInfoContainer();
157  string_info->length=length;
158  if (~string_info->length >= (MagickPathExtent-1))
159  string_info->datum=(unsigned char *) AcquireQuantumMemory(
160  string_info->length+MagickPathExtent,sizeof(*string_info->datum));
161  if (string_info->datum == (unsigned char *) NULL)
162  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
163  (void) memset(string_info->datum,0,(length+MagickPathExtent)*
164  sizeof(*string_info->datum));
165  return(string_info);
166 }
167 
168 /*
169 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
170 % %
171 % %
172 % %
173 % B l o b T o S t r i n g I n f o %
174 % %
175 % %
176 % %
177 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
178 %
179 % BlobToStringInfo() returns the contents of a blob as a StringInfo structure
180 % with MagickPathExtent extra space.
181 %
182 % The format of the BlobToStringInfo method is:
183 %
184 % StringInfo *BlobToStringInfo(const void *blob,const size_t length)
185 %
186 % A description of each parameter follows:
187 %
188 % o blob: the blob.
189 %
190 % o length: the length of the blob.
191 %
192 */
193 MagickExport StringInfo *BlobToStringInfo(const void *blob,const size_t length)
194 {
195  StringInfo
196  *string_info;
197 
198  if (~length < MagickPathExtent)
199  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
200  string_info=AcquireStringInfoContainer();
201  string_info->length=length;
202  string_info->datum=(unsigned char *) AcquireQuantumMemory(length+
203  MagickPathExtent,sizeof(*string_info->datum));
204  if (string_info->datum == (unsigned char *) NULL)
205  {
206  string_info=DestroyStringInfo(string_info);
207  return((StringInfo *) NULL);
208  }
209  if (blob != (const void *) NULL)
210  (void) memcpy(string_info->datum,blob,length);
211  else
212  (void) memset(string_info->datum,0,length*sizeof(*string_info->datum));
213  (void) memset(string_info->datum+length,0,MagickPathExtent*
214  sizeof(*string_info->datum));
215  return(string_info);
216 }
217 
218 /*
219 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
220 % %
221 % %
222 % %
223 % C l o n e S t r i n g %
224 % %
225 % %
226 % %
227 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
228 %
229 % CloneString() replaces or frees the destination string to make it
230 % a clone of the input string plus MagickPathExtent more space so the string
231 % may be worked on.
232 %
233 % If source is a NULL pointer the destination string will be freed and set to
234 % a NULL pointer. A pointer to the stored in the destination is also returned.
235 %
236 % When finished the non-NULL string should be freed using DestoryString()
237 % or using CloneString() with a NULL pointed for the source.
238 %
239 % The format of the CloneString method is:
240 %
241 % char *CloneString(char **destination,const char *source)
242 %
243 % A description of each parameter follows:
244 %
245 % o destination: A pointer to a character string.
246 %
247 % o source: A character string.
248 %
249 */
250 MagickExport char *CloneString(char **destination,const char *source)
251 {
252  size_t
253  length;
254 
255  assert(destination != (char **) NULL);
256  if (source == (const char *) NULL)
257  {
258  if (*destination != (char *) NULL)
259  *destination=DestroyString(*destination);
260  return(*destination);
261  }
262  if (*destination == (char *) NULL)
263  {
264  *destination=AcquireString(source);
265  return(*destination);
266  }
267  length=strlen(source);
268  if (~length < MagickPathExtent)
269  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
270  *destination=(char *) ResizeQuantumMemory(*destination,length+
271  MagickPathExtent,sizeof(**destination));
272  if (*destination == (char *) NULL)
273  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
274  if (length != 0)
275  (void) memcpy(*destination,source,length*sizeof(**destination));
276  (*destination)[length]='\0';
277  return(*destination);
278 }
279 
280 /*
281 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
282 % %
283 % %
284 % %
285 % C l o n e S t r i n g I n f o %
286 % %
287 % %
288 % %
289 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
290 %
291 % CloneStringInfo() clones a copy of the StringInfo structure.
292 %
293 % The format of the CloneStringInfo method is:
294 %
295 % StringInfo *CloneStringInfo(const StringInfo *string_info)
296 %
297 % A description of each parameter follows:
298 %
299 % o string_info: the string info.
300 %
301 */
303 {
304  StringInfo
305  *clone_info;
306 
307  assert(string_info != (StringInfo *) NULL);
308  assert(string_info->signature == MagickCoreSignature);
309  clone_info=AcquireStringInfo(string_info->length);
310  (void) CloneString(&clone_info->path,string_info->path);
311  (void) CloneString(&clone_info->name,string_info->name);
312  if (string_info->length != 0)
313  (void) memcpy(clone_info->datum,string_info->datum,string_info->length+1);
314  return(clone_info);
315 }
316 
317 /*
318 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
319 % %
320 % %
321 % %
322 % C o m p a r e S t r i n g I n f o %
323 % %
324 % %
325 % %
326 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
327 %
328 % CompareStringInfo() compares the two datums target and source. It returns
329 % an integer less than, equal to, or greater than zero if target is found,
330 % respectively, to be less than, to match, or be greater than source.
331 %
332 % The format of the CompareStringInfo method is:
333 %
334 % int CompareStringInfo(const StringInfo *target,const StringInfo *source)
335 %
336 % A description of each parameter follows:
337 %
338 % o target: the target string.
339 %
340 % o source: the source string.
341 %
342 */
343 
345  const StringInfo *source)
346 {
347  int
348  status;
349 
350  assert(target != (StringInfo *) NULL);
351  assert(target->signature == MagickCoreSignature);
352  assert(source != (StringInfo *) NULL);
353  assert(source->signature == MagickCoreSignature);
354  status=memcmp(target->datum,source->datum,MagickMin(target->length,
355  source->length));
356  if (status != 0)
357  return(status);
358  if (target->length == source->length)
359  return(0);
360  return(target->length < source->length ? -1 : 1);
361 }
362 
363 /*
364 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
365 % %
366 % %
367 % %
368 % C o n c a t e n a t e M a g i c k S t r i n g %
369 % %
370 % %
371 % %
372 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
373 %
374 % ConcatenateMagickString() concatenates the source string to the destination
375 % string. The destination buffer is always null-terminated even if the
376 % string must be truncated.
377 %
378 % The format of the ConcatenateMagickString method is:
379 %
380 % size_t ConcatenateMagickString(char *magick_restrict destination,
381 % const char *magick_restrict source,const size_t length)
382 %
383 % A description of each parameter follows:
384 %
385 % o destination: the destination string.
386 %
387 % o source: the source string.
388 %
389 % o length: the length of the destination string.
390 %
391 */
393  const char *magick_restrict source,const size_t length)
394 {
395  char
396  *magick_restrict q;
397 
398  const char
399  *magick_restrict p;
400 
401  size_t
402  i;
403 
404  size_t
405  count;
406 
407  assert(destination != (char *) NULL);
408  assert(source != (const char *) NULL);
409  assert(length >= 1);
410  p=source;
411  q=destination;
412  i=length;
413  while ((i-- != 0) && (*q != '\0'))
414  q++;
415  count=(size_t) (q-destination);
416  i=length-count;
417  if (i == 0)
418  return(count+strlen(p));
419  while (*p != '\0')
420  {
421  if (i != 1)
422  {
423  *q++=(*p);
424  i--;
425  }
426  p++;
427  }
428  *q='\0';
429  return(count+(p-source));
430 }
431 
432 /*
433 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
434 % %
435 % %
436 % %
437 % C o n c a t e n a t e S t r i n g %
438 % %
439 % %
440 % %
441 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
442 %
443 % ConcatenateString() appends a copy of string source, including the
444 % terminating null character, to the end of string destination.
445 %
446 % The format of the ConcatenateString method is:
447 %
448 % MagickBooleanType ConcatenateString(char **magick_restrict destination,
449 % const char *magick_restrict source)
450 %
451 % A description of each parameter follows:
452 %
453 % o destination: A pointer to a character string.
454 %
455 % o source: A character string.
456 %
457 */
459  char **magick_restrict destination,const char *magick_restrict source)
460 {
461  size_t
462  destination_length,
463  length,
464  source_length;
465 
466  assert(destination != (char **) NULL);
467  if (source == (const char *) NULL)
468  return(MagickTrue);
469  if (*destination == (char *) NULL)
470  {
471  *destination=AcquireString(source);
472  return(MagickTrue);
473  }
474  destination_length=strlen(*destination);
475  source_length=strlen(source);
476  length=destination_length;
477  if (~length < source_length)
478  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
479  length+=source_length;
480  if (~length < MagickPathExtent)
481  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
482  *destination=(char *) ResizeQuantumMemory(*destination,
483  OverAllocateMemory(length+MagickPathExtent),sizeof(**destination));
484  if (*destination == (char *) NULL)
485  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
486  if (source_length != 0)
487  (void) memcpy((*destination)+destination_length,source,source_length);
488  (*destination)[length]='\0';
489  return(MagickTrue);
490 }
491 
492 /*
493 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
494 % %
495 % %
496 % %
497 % C o n c a t e n a t e S t r i n g I n f o %
498 % %
499 % %
500 % %
501 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
502 %
503 % ConcatenateStringInfo() concatenates the source string to the destination
504 % string.
505 %
506 % The format of the ConcatenateStringInfo method is:
507 %
508 % void ConcatenateStringInfo(StringInfo *string_info,
509 % const StringInfo *source)
510 %
511 % A description of each parameter follows:
512 %
513 % o string_info: the string info.
514 %
515 % o source: the source string.
516 %
517 */
519  const StringInfo *source)
520 {
521  size_t
522  length;
523 
524  assert(string_info != (StringInfo *) NULL);
525  assert(string_info->signature == MagickCoreSignature);
526  assert(source != (const StringInfo *) NULL);
527  length=string_info->length;
528  if (~length < source->length)
529  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
530  length+=source->length;
531  if (~length < MagickPathExtent)
532  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
533  if (string_info->datum == (unsigned char *) NULL)
534  string_info->datum=(unsigned char *) AcquireQuantumMemory(length+
535  MagickPathExtent,sizeof(*string_info->datum));
536  else
537  string_info->datum=(unsigned char *) ResizeQuantumMemory(
538  string_info->datum,OverAllocateMemory(length+MagickPathExtent),
539  sizeof(*string_info->datum));
540  if (string_info->datum == (unsigned char *) NULL)
541  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
542  (void) memcpy(string_info->datum+string_info->length,source->datum,source->length);
543  string_info->length=length;
544 }
545 
546 /*
547 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
548 % %
549 % %
550 % %
551 % C o n f i g u r e F i l e T o S t r i n g I n f o %
552 % %
553 % %
554 % %
555 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
556 %
557 % ConfigureFileToStringInfo() returns the contents of a configure file as a
558 % string.
559 %
560 % The format of the ConfigureFileToStringInfo method is:
561 %
562 % StringInfo *ConfigureFileToStringInfo(const char *filename)
563 % ExceptionInfo *exception)
564 %
565 % A description of each parameter follows:
566 %
567 % o filename: the filename.
568 %
569 */
571 {
572  char
573  *string;
574 
575  int
576  file;
577 
579  offset;
580 
581  size_t
582  length;
583 
584  StringInfo
585  *string_info;
586 
587  void
588  *map;
589 
590  assert(filename != (const char *) NULL);
591  file=open_utf8(filename,O_RDONLY | O_BINARY,0);
592  if (file == -1)
593  return((StringInfo *) NULL);
594  offset=(MagickOffsetType) lseek(file,0,SEEK_END);
595  if ((offset < 0) || (offset != (MagickOffsetType) ((ssize_t) offset)))
596  {
597  file=close(file)-1;
598  return((StringInfo *) NULL);
599  }
600  length=(size_t) offset;
601  string=(char *) NULL;
602  if (~length >= (MagickPathExtent-1))
603  string=(char *) AcquireQuantumMemory(length+MagickPathExtent,
604  sizeof(*string));
605  if (string == (char *) NULL)
606  {
607  file=close(file)-1;
608  return((StringInfo *) NULL);
609  }
610  map=MapBlob(file,ReadMode,0,length);
611  if (map != (void *) NULL)
612  {
613  (void) memcpy(string,map,length);
614  (void) UnmapBlob(map,length);
615  }
616  else
617  {
618  size_t
619  i;
620 
621  ssize_t
622  count;
623 
624  (void) lseek(file,0,SEEK_SET);
625  for (i=0; i < length; i+=count)
626  {
627  count=read(file,string+i,(size_t) MagickMin(length-i,(size_t)
629  if (count <= 0)
630  {
631  count=0;
632  if (errno != EINTR)
633  break;
634  }
635  }
636  if (i < length)
637  {
638  file=close(file)-1;
639  string=DestroyString(string);
640  return((StringInfo *) NULL);
641  }
642  }
643  string[length]='\0';
644  file=close(file)-1;
645  string_info=AcquireStringInfoContainer();
646  string_info->path=ConstantString(filename);
647  string_info->length=length;
648  string_info->datum=(unsigned char *) string;
649  return(string_info);
650 }
651 
652 /*
653 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
654 % %
655 % %
656 % %
657 % C o n s t a n t S t r i n g %
658 % %
659 % %
660 % %
661 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
662 %
663 % ConstantString() allocates exactly the needed memory for a string and
664 % copies the source string to that memory location. A NULL string pointer
665 % will allocate an empty string containing just the NUL character.
666 %
667 % When finished the string should be freed using DestoryString()
668 %
669 % The format of the ConstantString method is:
670 %
671 % char *ConstantString(const char *source)
672 %
673 % A description of each parameter follows:
674 %
675 % o source: A character string.
676 %
677 */
678 MagickExport char *ConstantString(const char *source)
679 {
680  char
681  *destination;
682 
683  size_t
684  length;
685 
686  length=0;
687  if (source != (char *) NULL)
688  length+=strlen(source);
689  destination=(char *) NULL;
690  if (~length >= 1UL)
691  destination=(char *) AcquireQuantumMemory(length+1UL,sizeof(*destination));
692  if (destination == (char *) NULL)
693  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
694  if (source != (char *) NULL)
695  (void) memcpy(destination,source,length*sizeof(*destination));
696  destination[length]='\0';
697  return(destination);
698 }
699 
700 /*
701 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
702 % %
703 % %
704 % %
705 % C o p y M a g i c k S t r i n g %
706 % %
707 % %
708 % %
709 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
710 %
711 % CopyMagickString() copies the source string to the destination string, with
712 % out exceeding the given pre-declared length.
713 %
714 % The destination buffer is always null-terminated even if the string must be
715 % truncated. The return value is the length of the string.
716 %
717 % The format of the CopyMagickString method is:
718 %
719 % size_t CopyMagickString(const char *magick_restrict destination,
720 % char *magick_restrict source,const size_t length)
721 %
722 % A description of each parameter follows:
723 %
724 % o destination: the destination string.
725 %
726 % o source: the source string.
727 %
728 % o length: the length of the destination string.
729 %
730 */
732  const char *magick_restrict source,const size_t length)
733 {
734  char
735  *magick_restrict q;
736 
737  const char
738  *magick_restrict p;
739 
740  size_t
741  n;
742 
743  p=source;
744  q=destination;
745  for (n=length; n > 4; n-=4)
746  {
747  if (((*q++)=(*p++)) == '\0')
748  return((size_t) (p-source-1));
749  if (((*q++)=(*p++)) == '\0')
750  return((size_t) (p-source-1));
751  if (((*q++)=(*p++)) == '\0')
752  return((size_t) (p-source-1));
753  if (((*q++)=(*p++)) == '\0')
754  return((size_t) (p-source-1));
755  }
756  if (length != 0)
757  {
758  while (--n != 0)
759  if (((*q++)=(*p++)) == '\0')
760  return((size_t) (p-source-1));
761  *q='\0';
762  }
763  return((size_t) (p-source));
764 }
765 
766 /*
767 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
768 % %
769 % %
770 % %
771 % D e s t r o y S t r i n g %
772 % %
773 % %
774 % %
775 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
776 %
777 % DestroyString() destroys memory associated with a string.
778 %
779 % The format of the DestroyString method is:
780 %
781 % char *DestroyString(char *string)
782 %
783 % A description of each parameter follows:
784 %
785 % o string: the string.
786 %
787 */
788 MagickExport char *DestroyString(char *string)
789 {
790  return((char *) RelinquishMagickMemory(string));
791 }
792 
793 /*
794 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
795 % %
796 % %
797 % %
798 % D e s t r o y S t r i n g I n f o %
799 % %
800 % %
801 % %
802 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
803 %
804 % DestroyStringInfo() destroys memory associated with the StringInfo structure.
805 %
806 % The format of the DestroyStringInfo method is:
807 %
808 % StringInfo *DestroyStringInfo(StringInfo *string_info)
809 %
810 % A description of each parameter follows:
811 %
812 % o string_info: the string info.
813 %
814 */
816 {
817  assert(string_info != (StringInfo *) NULL);
818  assert(string_info->signature == MagickCoreSignature);
819  if (string_info->datum != (unsigned char *) NULL)
820  string_info->datum=(unsigned char *) RelinquishMagickMemory(
821  string_info->datum);
822  if (string_info->name != (char *) NULL)
823  string_info->name=DestroyString(string_info->name);
824  if (string_info->path != (char *) NULL)
825  string_info->path=DestroyString(string_info->path);
826  string_info->signature=(~MagickCoreSignature);
827  string_info=(StringInfo *) RelinquishMagickMemory(string_info);
828  return(string_info);
829 }
830 
831 /*
832 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
833 % %
834 % %
835 % %
836 % D e s t r o y S t r i n g L i s t %
837 % %
838 % %
839 % %
840 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
841 %
842 % DestroyStringList() zeros memory associated with a string list.
843 %
844 % The format of the DestroyStringList method is:
845 %
846 % char **DestroyStringList(char **list)
847 %
848 % A description of each parameter follows:
849 %
850 % o list: the string list.
851 %
852 */
853 MagickExport char **DestroyStringList(char **list)
854 {
855  ssize_t
856  i;
857 
858  assert(list != (char **) NULL);
859  for (i=0; list[i] != (char *) NULL; i++)
860  list[i]=DestroyString(list[i]);
861  list=(char **) RelinquishMagickMemory(list);
862  return(list);
863 }
864 
865 /*
866 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
867 % %
868 % %
869 % %
870 % E s c a p e S t r i n g %
871 % %
872 % %
873 % %
874 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
875 %
876 % EscapeString() allocates memory for a backslash-escaped version of a
877 % source text string, copies the escaped version of the text to that
878 % memory location while adding backslash characters, and returns the
879 % escaped string.
880 %
881 % The format of the EscapeString method is:
882 %
883 % char *EscapeString(const char *source,const char escape)
884 %
885 % A description of each parameter follows:
886 %
887 % o allocate_string: Method EscapeString returns the escaped string.
888 %
889 % o source: A character string.
890 %
891 % o escape: the quoted string termination character to escape (e.g. '"').
892 %
893 */
894 MagickExport char *EscapeString(const char *source,const char escape)
895 {
896  char
897  *destination;
898 
899  char
900  *q;
901 
902  const char
903  *p;
904 
905  size_t
906  length;
907 
908  assert(source != (const char *) NULL);
909  length=0;
910  for (p=source; *p != '\0'; p++)
911  {
912  if ((*p == '\\') || (*p == escape))
913  {
914  if (~length < 1)
915  ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString");
916  length++;
917  }
918  length++;
919  }
920  destination=(char *) NULL;
921  if (~length >= (MagickPathExtent-1))
922  destination=(char *) AcquireQuantumMemory(length+MagickPathExtent,
923  sizeof(*destination));
924  if (destination == (char *) NULL)
925  ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString");
926  *destination='\0';
927  q=destination;
928  for (p=source; *p != '\0'; p++)
929  {
930  if ((*p == '\\') || (*p == escape))
931  *q++='\\';
932  *q++=(*p);
933  }
934  *q='\0';
935  return(destination);
936 }
937 
938 /*
939 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
940 % %
941 % %
942 % %
943 % F i l e T o S t r i n g %
944 % %
945 % %
946 % %
947 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
948 %
949 % FileToString() returns the contents of a file as a string.
950 %
951 % The format of the FileToString method is:
952 %
953 % char *FileToString(const char *filename,const size_t extent,
954 % ExceptionInfo *exception)
955 %
956 % A description of each parameter follows:
957 %
958 % o filename: the filename.
959 %
960 % o extent: Maximum length of the string.
961 %
962 % o exception: return any errors or warnings in this structure.
963 %
964 */
965 MagickExport char *FileToString(const char *filename,const size_t extent,
967 {
968  size_t
969  length;
970 
971  assert(filename != (const char *) NULL);
972  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
973  assert(exception != (ExceptionInfo *) NULL);
974  return((char *) FileToBlob(filename,extent,&length,exception));
975 }
976 
977 /*
978 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
979 % %
980 % %
981 % %
982 % F i l e T o S t r i n g I n f o %
983 % %
984 % %
985 % %
986 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
987 %
988 % FileToStringInfo() returns the contents of a file as a string.
989 %
990 % The format of the FileToStringInfo method is:
991 %
992 % StringInfo *FileToStringInfo(const char *filename,const size_t extent,
993 % ExceptionInfo *exception)
994 %
995 % A description of each parameter follows:
996 %
997 % o filename: the filename.
998 %
999 % o extent: Maximum length of the string.
1000 %
1001 % o exception: return any errors or warnings in this structure.
1002 %
1003 */
1005  const size_t extent,ExceptionInfo *exception)
1006 {
1007  StringInfo
1008  *string_info;
1009 
1010  assert(filename != (const char *) NULL);
1011  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
1012  assert(exception != (ExceptionInfo *) NULL);
1013  string_info=AcquireStringInfoContainer();
1014  string_info->path=ConstantString(filename);
1015  string_info->datum=(unsigned char *) FileToBlob(filename,extent,
1016  &string_info->length,exception);
1017  if (string_info->datum == (unsigned char *) NULL)
1018  {
1019  string_info=DestroyStringInfo(string_info);
1020  return((StringInfo *) NULL);
1021  }
1022  return(string_info);
1023 }
1024 
1025 /*
1026 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1027 % %
1028 % %
1029 % %
1030 % F o r m a t M a g i c k S i z e %
1031 % %
1032 % %
1033 % %
1034 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1035 %
1036 % FormatMagickSize() converts a size to a human readable format, for example,
1037 % 14k, 234m, 2.7g, or 3.0t. Scaling is done by repetitively dividing by
1038 % 1000.
1039 %
1040 % The format of the FormatMagickSize method is:
1041 %
1042 % ssize_t FormatMagickSize(const MagickSizeType size,const char *suffix,
1043 % const size_t length,char *format)
1044 %
1045 % A description of each parameter follows:
1046 %
1047 % o size: convert this size to a human readable format.
1048 %
1049 % o bi: use power of two rather than power of ten.
1050 %
1051 % o suffix: append suffix, typically B or P.
1052 %
1053 % o length: the maximum length of the string.
1054 %
1055 % o format: human readable format.
1056 %
1057 */
1059  const MagickBooleanType bi,const char *suffix,const size_t length,
1060  char *format)
1061 {
1062  char
1063  p[MagickPathExtent],
1064  q[MagickPathExtent];
1065 
1066  const char
1067  **units;
1068 
1069  double
1070  bytes,
1071  extent;
1072 
1073  ssize_t
1074  i;
1075 
1076  ssize_t
1077  count;
1078 
1079  static const char
1080  *bi_units[] =
1081  {
1082  "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi", (char *) NULL
1083  },
1084  *traditional_units[] =
1085  {
1086  "", "K", "M", "G", "T", "P", "E", "Z", "Y", (char *) NULL
1087  };
1088 
1089  bytes=1000.0;
1090  units=traditional_units;
1091  if (bi != MagickFalse)
1092  {
1093  bytes=1024.0;
1094  units=bi_units;
1095  }
1096  extent=(double) size;
1098  extent);
1099  (void) FormatLocaleString(q,MagickPathExtent,"%.20g",extent);
1100  if (strtod(p,(char **) NULL) == strtod(q,(char **) NULL))
1101  {
1102  if (suffix == (const char *) NULL)
1103  count=FormatLocaleString(format,length,"%.20g%s",extent,units[0]);
1104  else
1105  count=FormatLocaleString(format,length,"%.20g%s%s",extent,units[0],
1106  suffix);
1107  return(count);
1108  }
1109  for (i=0; (extent >= bytes) && (units[i+1] != (const char *) NULL); i++)
1110  extent/=bytes;
1111  if (suffix == (const char *) NULL)
1112  count=FormatLocaleString(format,length,"%.*g%s",GetMagickPrecision(),
1113  extent,units[i]);
1114  else
1115  count=FormatLocaleString(format,length,"%.*g%s%s",GetMagickPrecision(),
1116  extent,units[i],suffix);
1117  return(count);
1118 }
1119 
1120 /*
1121 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1122 % %
1123 % %
1124 % %
1125 % G e t E n v i r o n m e n t V a l u e %
1126 % %
1127 % %
1128 % %
1129 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1130 %
1131 % GetEnvironmentValue() returns the environment string that matches the
1132 % specified name.
1133 %
1134 % The format of the GetEnvironmentValue method is:
1135 %
1136 % char *GetEnvironmentValue(const char *name)
1137 %
1138 % A description of each parameter follows:
1139 %
1140 % o name: the environment name.
1141 %
1142 */
1143 MagickExport char *GetEnvironmentValue(const char *name)
1144 {
1145  const char
1146  *environment;
1147 
1148  environment=getenv(name);
1149  if (environment == (const char *) NULL)
1150  return((char *) NULL);
1151  return(ConstantString(environment));
1152 }
1153 
1154 /*
1155 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1156 % %
1157 % %
1158 % %
1159 % G e t S t r i n g I n f o D a t u m %
1160 % %
1161 % %
1162 % %
1163 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1164 %
1165 % GetStringInfoDatum() returns the datum associated with the string.
1166 %
1167 % The format of the GetStringInfoDatum method is:
1168 %
1169 % unsigned char *GetStringInfoDatum(const StringInfo *string_info)
1170 %
1171 % A description of each parameter follows:
1172 %
1173 % o string_info: the string info.
1174 %
1175 */
1176 MagickExport unsigned char *GetStringInfoDatum(const StringInfo *string_info)
1177 {
1178  assert(string_info != (StringInfo *) NULL);
1179  assert(string_info->signature == MagickCoreSignature);
1180  return(string_info->datum);
1181 }
1182 
1183 /*
1184 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1185 % %
1186 % %
1187 % %
1188 % G e t S t r i n g I n f o L e n g t h %
1189 % %
1190 % %
1191 % %
1192 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1193 %
1194 % GetStringInfoLength() returns the string length.
1195 %
1196 % The format of the GetStringInfoLength method is:
1197 %
1198 % size_t GetStringInfoLength(const StringInfo *string_info)
1199 %
1200 % A description of each parameter follows:
1201 %
1202 % o string_info: the string info.
1203 %
1204 */
1205 MagickExport size_t GetStringInfoLength(const StringInfo *string_info)
1206 {
1207  assert(string_info != (StringInfo *) NULL);
1208  assert(string_info->signature == MagickCoreSignature);
1209  return(string_info->length);
1210 }
1211 
1212 /*
1213 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1214 % %
1215 % %
1216 % %
1217 % G e t S t r i n g I n f o N a m e %
1218 % %
1219 % %
1220 % %
1221 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1222 %
1223 % GetStringInfoName() returns the name associated with the string.
1224 %
1225 % The format of the GetStringInfoName method is:
1226 %
1227 % const char *GetStringInfoName(const StringInfo *string_info)
1228 %
1229 % A description of each parameter follows:
1230 %
1231 % o string_info: the string info.
1232 %
1233 */
1234 MagickExport const char *GetStringInfoName(const StringInfo *string_info)
1235 {
1236  assert(string_info != (StringInfo *) NULL);
1237  assert(string_info->signature == MagickCoreSignature);
1238  return(string_info->name);
1239 }
1240 
1241 /*
1242 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1243 % %
1244 % %
1245 % %
1246 % G e t S t r i n g I n f o P a t h %
1247 % %
1248 % %
1249 % %
1250 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1251 %
1252 % GetStringInfoPath() returns the path associated with the string.
1253 %
1254 % The format of the GetStringInfoPath method is:
1255 %
1256 % const char *GetStringInfoPath(const StringInfo *string_info)
1257 %
1258 % A description of each parameter follows:
1259 %
1260 % o string_info: the string info.
1261 %
1262 */
1263 MagickExport const char *GetStringInfoPath(const StringInfo *string_info)
1264 {
1265  assert(string_info != (StringInfo *) NULL);
1266  assert(string_info->signature == MagickCoreSignature);
1267  return(string_info->path);
1268 }
1269 
1270 /*
1271 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1272 % %
1273 % %
1274 % %
1275 + I n t e r p r e t S i P r e f i x V a l u e %
1276 % %
1277 % %
1278 % %
1279 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1280 %
1281 % InterpretSiPrefixValue() converts the initial portion of the string to a
1282 % double representation. It also recognizes SI prefixes (e.g. B, KB, MiB,
1283 % etc.).
1284 %
1285 % The format of the InterpretSiPrefixValue method is:
1286 %
1287 % double InterpretSiPrefixValue(const char *value,char **sentinal)
1288 %
1289 % A description of each parameter follows:
1290 %
1291 % o value: the string value.
1292 %
1293 % o sentinal: if sentinal is not NULL, return a pointer to the character
1294 % after the last character used in the conversion.
1295 %
1296 */
1298  char **magick_restrict sentinal)
1299 {
1300  char
1301  *q;
1302 
1303  double
1304  value;
1305 
1306  value=InterpretLocaleValue(string,&q);
1307  if (q != string)
1308  {
1309  if ((*q >= 'E') && (*q <= 'z'))
1310  {
1311  double
1312  e;
1313 
1314  switch ((int) ((unsigned char) *q))
1315  {
1316  case 'y': e=(-24.0); break;
1317  case 'z': e=(-21.0); break;
1318  case 'a': e=(-18.0); break;
1319  case 'f': e=(-15.0); break;
1320  case 'p': e=(-12.0); break;
1321  case 'n': e=(-9.0); break;
1322  case 'u': e=(-6.0); break;
1323  case 'm': e=(-3.0); break;
1324  case 'c': e=(-2.0); break;
1325  case 'd': e=(-1.0); break;
1326  case 'h': e=2.0; break;
1327  case 'k': e=3.0; break;
1328  case 'K': e=3.0; break;
1329  case 'M': e=6.0; break;
1330  case 'G': e=9.0; break;
1331  case 'T': e=12.0; break;
1332  case 'P': e=15.0; break;
1333  case 'E': e=18.0; break;
1334  case 'Z': e=21.0; break;
1335  case 'Y': e=24.0; break;
1336  default: e=0.0; break;
1337  }
1338  if (e >= MagickEpsilon)
1339  {
1340  if (q[1] == 'i')
1341  {
1342  value*=pow(2.0,e/0.3);
1343  q+=2;
1344  }
1345  else
1346  {
1347  value*=pow(10.0,e);
1348  q++;
1349  }
1350  }
1351  }
1352  if ((*q == 'B') || (*q == 'P'))
1353  q++;
1354  }
1355  if (sentinal != (char **) NULL)
1356  *sentinal=q;
1357  return(value);
1358 }
1359 
1360 /*
1361 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1362 % %
1363 % %
1364 % %
1365 % I s S t r i n g T r u e %
1366 % %
1367 % %
1368 % %
1369 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1370 %
1371 % IsStringTrue() returns MagickTrue if the value is "true", "on", "yes" or
1372 % "1". Any other string or undefined returns MagickFalse.
1373 %
1374 % Typically this is used to look at strings (options or artifacts) which
1375 % has a default value of "false", when not defined.
1376 %
1377 % The format of the IsStringTrue method is:
1378 %
1379 % MagickBooleanType IsStringTrue(const char *value)
1380 %
1381 % A description of each parameter follows:
1382 %
1383 % o value: Specifies a pointer to a character array.
1384 %
1385 */
1387 {
1388  if (value == (const char *) NULL)
1389  return(MagickFalse);
1390  if (LocaleCompare(value,"true") == 0)
1391  return(MagickTrue);
1392  if (LocaleCompare(value,"on") == 0)
1393  return(MagickTrue);
1394  if (LocaleCompare(value,"yes") == 0)
1395  return(MagickTrue);
1396  if (LocaleCompare(value,"1") == 0)
1397  return(MagickTrue);
1398  return(MagickFalse);
1399 }
1400 
1401 /*
1402 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1403 % %
1404 % %
1405 % %
1406 % I s S t r i n g F a l s e %
1407 % %
1408 % %
1409 % %
1410 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1411 %
1412 % IsStringFalse() returns MagickTrue if the value is "false", "off", "no" or
1413 % "0". Any other string or undefined returns MagickFalse.
1414 %
1415 % Typically this is used to look at strings (options or artifacts) which
1416 % has a default value of "true", when it has not been defined.
1417 %
1418 % The format of the IsStringFalse method is:
1419 %
1420 % MagickBooleanType IsStringFalse(const char *value)
1421 %
1422 % A description of each parameter follows:
1423 %
1424 % o value: Specifies a pointer to a character array.
1425 %
1426 */
1428 {
1429  if (value == (const char *) NULL)
1430  return(MagickFalse);
1431  if (LocaleCompare(value,"false") == 0)
1432  return(MagickTrue);
1433  if (LocaleCompare(value,"off") == 0)
1434  return(MagickTrue);
1435  if (LocaleCompare(value,"no") == 0)
1436  return(MagickTrue);
1437  if (LocaleCompare(value,"0") == 0)
1438  return(MagickTrue);
1439  return(MagickFalse);
1440 }
1441 
1442 /*
1443 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1444 % %
1445 % %
1446 % %
1447 % P r i n t S t r i n g I n f o %
1448 % %
1449 % %
1450 % %
1451 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1452 %
1453 % PrintStringInfo() prints the string.
1454 %
1455 % The format of the PrintStringInfo method is:
1456 %
1457 % void PrintStringInfo(FILE *file,const char *id,
1458 % const StringInfo *string_info)
1459 %
1460 % A description of each parameter follows:
1461 %
1462 % o file: the file, typically stdout.
1463 %
1464 % o id: the string id.
1465 %
1466 % o string_info: the string info.
1467 %
1468 */
1469 MagickExport void PrintStringInfo(FILE *file,const char *id,
1470  const StringInfo *string_info)
1471 {
1472  const char
1473  *p;
1474 
1475  size_t
1476  i,
1477  j;
1478 
1479  assert(id != (const char *) NULL);
1480  assert(string_info != (StringInfo *) NULL);
1481  assert(string_info->signature == MagickCoreSignature);
1482  p=(char *) string_info->datum;
1483  for (i=0; i < string_info->length; i++)
1484  {
1485  if (((int) ((unsigned char) *p) < 32) &&
1486  (isspace((int) ((unsigned char) *p)) == 0))
1487  break;
1488  p++;
1489  }
1490  (void) FormatLocaleFile(file,"%s(%.20g):\n",id,(double) string_info->length);
1491  if (i == string_info->length)
1492  {
1493  for (i=0; i < string_info->length; i++)
1494  (void) fputc(string_info->datum[i],file);
1495  (void) fputc('\n',file);
1496  return;
1497  }
1498  /*
1499  Convert string to a HEX list.
1500  */
1501  p=(char *) string_info->datum;
1502  for (i=0; i < string_info->length; i+=CharsPerLine)
1503  {
1504  (void) FormatLocaleFile(file,"0x%08lx: ",(unsigned long) (CharsPerLine*i));
1505  for (j=1; j <= MagickMin(string_info->length-i,CharsPerLine); j++)
1506  {
1507  (void) FormatLocaleFile(file,"%02lx",(unsigned long) (*(p+j)) & 0xff);
1508  if ((j % 0x04) == 0)
1509  (void) fputc(' ',file);
1510  }
1511  for ( ; j <= CharsPerLine; j++)
1512  {
1513  (void) fputc(' ',file);
1514  (void) fputc(' ',file);
1515  if ((j % 0x04) == 0)
1516  (void) fputc(' ',file);
1517  }
1518  (void) fputc(' ',file);
1519  for (j=1; j <= MagickMin(string_info->length-i,CharsPerLine); j++)
1520  {
1521  if (isprint((int) ((unsigned char) *p)) != 0)
1522  (void) fputc(*p,file);
1523  else
1524  (void) fputc('-',file);
1525  p++;
1526  }
1527  (void) fputc('\n',file);
1528  }
1529 }
1530 
1531 /*
1532 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1533 % %
1534 % %
1535 % %
1536 % R e s e t S t r i n g I n f o %
1537 % %
1538 % %
1539 % %
1540 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1541 %
1542 % ResetStringInfo() reset the string to all null bytes.
1543 %
1544 % The format of the ResetStringInfo method is:
1545 %
1546 % void ResetStringInfo(StringInfo *string_info)
1547 %
1548 % A description of each parameter follows:
1549 %
1550 % o string_info: the string info.
1551 %
1552 */
1554 {
1555  assert(string_info != (StringInfo *) NULL);
1556  assert(string_info->signature == MagickCoreSignature);
1557  (void) memset(string_info->datum,0,string_info->length);
1558 }
1559 
1560 /*
1561 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1562 % %
1563 % %
1564 % %
1565 % S a n t i z e S t r i n g %
1566 % %
1567 % %
1568 % %
1569 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1570 %
1571 % SanitizeString() returns a new string with all characters removed except
1572 % letters, digits and !#$%&'*+-=?^_`{|}~@.[].
1573 %
1574 % Free the sanitized string with DestroyString().
1575 %
1576 % The format of the SanitizeString method is:
1577 %
1578 % char *SanitizeString(const char *source)
1579 %
1580 % A description of each parameter follows:
1581 %
1582 % o source: A character string.
1583 %
1584 */
1585 MagickExport char *SanitizeString(const char *source)
1586 {
1587  char
1588  *sanitize_source;
1589 
1590  const char
1591  *q;
1592 
1593  char
1594  *p;
1595 
1596  static char
1597  allowlist[] =
1598  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 "
1599  "$-_.+!*'(),{}|\\^~[]`\"><#%;/?:@&=";
1600 
1601  sanitize_source=AcquireString(source);
1602  p=sanitize_source;
1603  q=sanitize_source+strlen(sanitize_source);
1604  for (p+=strspn(p,allowlist); p != q; p+=strspn(p,allowlist))
1605  *p='_';
1606  return(sanitize_source);
1607 }
1608 
1609 /*
1610 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1611 % %
1612 % %
1613 % %
1614 % S e t S t r i n g I n f o %
1615 % %
1616 % %
1617 % %
1618 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1619 %
1620 % SetStringInfo() copies the source string to the destination string.
1621 %
1622 % The format of the SetStringInfo method is:
1623 %
1624 % void SetStringInfo(StringInfo *string_info,const StringInfo *source)
1625 %
1626 % A description of each parameter follows:
1627 %
1628 % o string_info: the string info.
1629 %
1630 % o source: the source string.
1631 %
1632 */
1634  const StringInfo *source)
1635 {
1636  assert(string_info != (StringInfo *) NULL);
1637  assert(string_info->signature == MagickCoreSignature);
1638  assert(source != (StringInfo *) NULL);
1639  assert(source->signature == MagickCoreSignature);
1640  if (string_info->length == 0)
1641  return;
1642  (void) memset(string_info->datum,0,string_info->length);
1643  (void) memcpy(string_info->datum,source->datum,MagickMin(string_info->length,
1644  source->length));
1645 }
1646 
1647 /*
1648 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1649 % %
1650 % %
1651 % %
1652 % S e t S t r i n g I n f o D a t u m %
1653 % %
1654 % %
1655 % %
1656 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1657 %
1658 % SetStringInfoDatum() copies bytes from the source string for the length of
1659 % the destination string.
1660 %
1661 % The format of the SetStringInfoDatum method is:
1662 %
1663 % void SetStringInfoDatum(StringInfo *string_info,
1664 % const unsigned char *source)
1665 %
1666 % A description of each parameter follows:
1667 %
1668 % o string_info: the string info.
1669 %
1670 % o source: the source string.
1671 %
1672 */
1674  const unsigned char *source)
1675 {
1676  assert(string_info != (StringInfo *) NULL);
1677  assert(string_info->signature == MagickCoreSignature);
1678  if (string_info->length != 0)
1679  (void) memcpy(string_info->datum,source,string_info->length);
1680 }
1681 
1682 /*
1683 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1684 % %
1685 % %
1686 % %
1687 % S e t S t r i n g I n f o L e n g t h %
1688 % %
1689 % %
1690 % %
1691 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1692 %
1693 % SetStringInfoLength() set the string length to the specified value.
1694 %
1695 % The format of the SetStringInfoLength method is:
1696 %
1697 % void SetStringInfoLength(StringInfo *string_info,const size_t length)
1698 %
1699 % A description of each parameter follows:
1700 %
1701 % o string_info: the string info.
1702 %
1703 % o length: the string length.
1704 %
1705 */
1707  const size_t length)
1708 {
1709  assert(string_info != (StringInfo *) NULL);
1710  assert(string_info->signature == MagickCoreSignature);
1711  if (string_info->length == length)
1712  return;
1713  if (~length < MagickPathExtent)
1714  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
1715  string_info->length=length;
1716  if (string_info->datum == (unsigned char *) NULL)
1717  string_info->datum=(unsigned char *) AcquireQuantumMemory(length+
1718  MagickPathExtent,sizeof(*string_info->datum));
1719  else
1720  string_info->datum=(unsigned char *) ResizeQuantumMemory(string_info->datum,
1721  length+MagickPathExtent,sizeof(*string_info->datum));
1722  if (string_info->datum == (unsigned char *) NULL)
1723  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
1724 }
1725 
1726 /*
1727 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1728 % %
1729 % %
1730 % %
1731 % S e t S t r i n g I n f o N a m e %
1732 % %
1733 % %
1734 % %
1735 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1736 %
1737 % SetStringInfoName() sets the name associated with the string.
1738 %
1739 % The format of the SetStringInfoName method is:
1740 %
1741 % void SetStringInfoName(StringInfo *string_info,const char *name)
1742 %
1743 % A description of each parameter follows:
1744 %
1745 % o string_info: the string info.
1746 %
1747 % o name: the name.
1748 %
1749 */
1750 MagickExport void SetStringInfoName(StringInfo *string_info,const char *name)
1751 {
1752  assert(string_info != (StringInfo *) NULL);
1753  assert(string_info->signature == MagickCoreSignature);
1754  assert(name != (const char *) NULL);
1755  string_info->name=ConstantString(name);
1756 }
1757 
1758 /*
1759 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1760 % %
1761 % %
1762 % %
1763 % S e t S t r i n g I n f o P a t h %
1764 % %
1765 % %
1766 % %
1767 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1768 %
1769 % SetStringInfoPath() sets the path associated with the string.
1770 %
1771 % The format of the SetStringInfoPath method is:
1772 %
1773 % void SetStringInfoPath(StringInfo *string_info,const char *path)
1774 %
1775 % A description of each parameter follows:
1776 %
1777 % o string_info: the string info.
1778 %
1779 % o path: the path.
1780 %
1781 */
1782 MagickExport void SetStringInfoPath(StringInfo *string_info,const char *path)
1783 {
1784  assert(string_info != (StringInfo *) NULL);
1785  assert(string_info->signature == MagickCoreSignature);
1786  assert(path != (const char *) NULL);
1787  string_info->path=ConstantString(path);
1788 }
1789 
1790 /*
1791 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1792 % %
1793 % %
1794 % %
1795 % S p l i t S t r i n g I n f o %
1796 % %
1797 % %
1798 % %
1799 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1800 %
1801 % SplitStringInfo() splits a string into two and returns it.
1802 %
1803 % The format of the SplitStringInfo method is:
1804 %
1805 % StringInfo *SplitStringInfo(StringInfo *string_info,const size_t offset)
1806 %
1807 % A description of each parameter follows:
1808 %
1809 % o string_info: the string info.
1810 %
1811 */
1813  const size_t offset)
1814 {
1815  StringInfo
1816  *split_info;
1817 
1818  assert(string_info != (StringInfo *) NULL);
1819  assert(string_info->signature == MagickCoreSignature);
1820  if (offset > string_info->length)
1821  return((StringInfo *) NULL);
1822  split_info=AcquireStringInfo(offset);
1823  SetStringInfo(split_info,string_info);
1824  (void) memmove(string_info->datum,string_info->datum+offset,
1825  string_info->length-offset+MagickPathExtent);
1826  SetStringInfoLength(string_info,string_info->length-offset);
1827  return(split_info);
1828 }
1829 
1830 /*
1831 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1832 % %
1833 % %
1834 % %
1835 % S t r i n g I n f o T o D i g e s t %
1836 % %
1837 % %
1838 % %
1839 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1840 %
1841 % StringInfoToDigest() converts a string info string to a hex digest.
1842 %
1843 % The format of the StringInfoToString method is:
1844 %
1845 % char *StringInfoToDigest(const StringInfo *signature)
1846 %
1847 % A description of each parameter follows:
1848 %
1849 % o string_info: the string.
1850 %
1851 */
1853 {
1854  char
1855  *digest;
1856 
1858  *signature_info;
1859 
1860  signature_info=AcquireSignatureInfo();
1861  UpdateSignature(signature_info,signature);
1862  FinalizeSignature(signature_info);
1863  digest=StringInfoToHexString(GetSignatureDigest(signature_info));
1864  signature_info=DestroySignatureInfo(signature_info);
1865  return(digest);
1866 }
1867 
1868 /*
1869 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1870 % %
1871 % %
1872 % %
1873 % S t r i n g I n f o T o H e x S t r i n g %
1874 % %
1875 % %
1876 % %
1877 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1878 %
1879 % StringInfoToHexString() converts a string info string to a C string.
1880 %
1881 % The format of the StringInfoToHexString method is:
1882 %
1883 % char *StringInfoToHexString(const StringInfo *string_info)
1884 %
1885 % A description of each parameter follows:
1886 %
1887 % o string_info: the string.
1888 %
1889 */
1891 {
1892  char
1893  *string;
1894 
1895  const unsigned char
1896  *p;
1897 
1898  ssize_t
1899  i;
1900 
1901  unsigned char
1902  *q;
1903 
1904  size_t
1905  length;
1906 
1907  unsigned char
1908  hex_digits[16];
1909 
1910  length=string_info->length;
1911  if (~length < MagickPathExtent)
1912  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
1913  string=(char *) AcquireQuantumMemory(length+MagickPathExtent,2*
1914  sizeof(*string));
1915  if (string == (char *) NULL)
1916  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
1917  hex_digits[0]='0';
1918  hex_digits[1]='1';
1919  hex_digits[2]='2';
1920  hex_digits[3]='3';
1921  hex_digits[4]='4';
1922  hex_digits[5]='5';
1923  hex_digits[6]='6';
1924  hex_digits[7]='7';
1925  hex_digits[8]='8';
1926  hex_digits[9]='9';
1927  hex_digits[10]='a';
1928  hex_digits[11]='b';
1929  hex_digits[12]='c';
1930  hex_digits[13]='d';
1931  hex_digits[14]='e';
1932  hex_digits[15]='f';
1933  p=string_info->datum;
1934  q=(unsigned char *) string;
1935  for (i=0; i < (ssize_t) string_info->length; i++)
1936  {
1937  *q++=hex_digits[(*p >> 4) & 0x0f];
1938  *q++=hex_digits[*p & 0x0f];
1939  p++;
1940  }
1941  *q='\0';
1942  return(string);
1943 }
1944 
1945 /*
1946 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1947 % %
1948 % %
1949 % %
1950 % S t r i n g I n f o T o S t r i n g %
1951 % %
1952 % %
1953 % %
1954 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1955 %
1956 % StringInfoToString() converts a string info string to a C string.
1957 %
1958 % The format of the StringInfoToString method is:
1959 %
1960 % char *StringInfoToString(const StringInfo *string_info)
1961 %
1962 % A description of each parameter follows:
1963 %
1964 % o string_info: the string.
1965 %
1966 */
1967 MagickExport char *StringInfoToString(const StringInfo *string_info)
1968 {
1969  char
1970  *string;
1971 
1972  size_t
1973  length;
1974 
1975  string=(char *) NULL;
1976  length=string_info->length;
1977  if (~length >= (MagickPathExtent-1))
1978  string=(char *) AcquireQuantumMemory(length+MagickPathExtent,
1979  sizeof(*string));
1980  if (string == (char *) NULL)
1981  return((char *) NULL);
1982  (void) memcpy(string,(char *) string_info->datum,length*sizeof(*string));
1983  string[length]='\0';
1984  return(string);
1985 }
1986 
1987 /*
1988 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1989 % %
1990 % %
1991 % %
1992 % S t r i n g T o A r g v %
1993 % %
1994 % %
1995 % %
1996 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1997 %
1998 % StringToArgv() converts a text string into command line arguments.
1999 % The 'argv' array of arguments, is returned while the number of arguments
2000 % is returned via the provided integer variable pointer.
2001 %
2002 % Simple 'word' tokenizer, which allows for each word to be optionally
2003 % quoted. However it will not allow use of partial quotes, or escape
2004 % characters.
2005 %
2006 % The format of the StringToArgv method is:
2007 %
2008 % char **StringToArgv(const char *text,int *argc)
2009 %
2010 % A description of each parameter follows:
2011 %
2012 % o argv: Method StringToArgv returns the string list unless an error
2013 % occurs, otherwise NULL.
2014 %
2015 % o text: Specifies the string to segment into a list.
2016 %
2017 % o argc: This integer pointer returns the number of arguments in the
2018 % list.
2019 %
2020 */
2021 MagickExport char **StringToArgv(const char *text,int *argc)
2022 {
2023  char
2024  **argv;
2025 
2026  const char
2027  *p,
2028  *q;
2029 
2030  ssize_t
2031  i;
2032 
2033  *argc=0;
2034  if (text == (char *) NULL)
2035  return((char **) NULL);
2036  /*
2037  Determine the number of arguments.
2038  */
2039  for (p=text; *p != '\0'; )
2040  {
2041  while (isspace((int) ((unsigned char) *p)) != 0)
2042  p++;
2043  if (*p == '\0')
2044  break;
2045  (*argc)++;
2046  if (*p == '"')
2047  for (p++; (*p != '"') && (*p != '\0'); p++) ;
2048  if (*p == '\'')
2049  for (p++; (*p != '\'') && (*p != '\0'); p++) ;
2050  while ((isspace((int) ((unsigned char) *p)) == 0) && (*p != '\0'))
2051  p++;
2052  }
2053  (*argc)++;
2054  argv=(char **) AcquireQuantumMemory((size_t) (*argc+1UL),sizeof(*argv));
2055  if (argv == (char **) NULL)
2056  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertStringToARGV");
2057  /*
2058  Convert string to an ASCII list.
2059  */
2060  argv[0]=AcquireString("magick");
2061  p=text;
2062  for (i=1; i < (ssize_t) *argc; i++)
2063  {
2064  while (isspace((int) ((unsigned char) *p)) != 0)
2065  p++;
2066  q=p;
2067  if (*q == '"')
2068  {
2069  p++;
2070  for (q++; (*q != '"') && (*q != '\0'); q++) ;
2071  }
2072  else
2073  if (*q == '\'')
2074  {
2075  p++;
2076  for (q++; (*q != '\'') && (*q != '\0'); q++) ;
2077  }
2078  else
2079  while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0'))
2080  q++;
2081  argv[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+MagickPathExtent,
2082  sizeof(**argv));
2083  if (argv[i] == (char *) NULL)
2084  {
2085  for (i--; i >= 0; i--)
2086  argv[i]=DestroyString(argv[i]);
2087  argv=(char **) RelinquishMagickMemory(argv);
2089  "UnableToConvertStringToARGV");
2090  }
2091  (void) memcpy(argv[i],p,(size_t) (q-p));
2092  argv[i][q-p]='\0';
2093  p=q;
2094  while ((isspace((int) ((unsigned char) *p)) == 0) && (*p != '\0'))
2095  p++;
2096  }
2097  argv[i]=(char *) NULL;
2098  return(argv);
2099 }
2100 
2101 /*
2102 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2103 % %
2104 % %
2105 % %
2106 % S t r i n g T o A r r a y O f D o u b l e s %
2107 % %
2108 % %
2109 % %
2110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2111 %
2112 % StringToArrayOfDoubles() converts a string of space or comma separated
2113 % numbers into array of floating point numbers (doubles). Any number that
2114 % failes to parse properly will produce a syntax error. As will two commas
2115 % without a number between them. However a final comma at the end will
2116 % not be regarded as an error so as to simplify automatic list generation.
2117 %
2118 % A NULL value is returned on syntax or memory errors.
2119 %
2120 % Use RelinquishMagickMemory() to free returned array when finished.
2121 %
2122 % The format of the StringToArrayOfDoubles method is:
2123 %
2124 % double *StringToArrayOfDoubles(const char *string,size_t *count,
2125 % ExceptionInfo *exception)
2126 %
2127 % A description of each parameter follows:
2128 %
2129 % o string: the string containing the comma/space separated values.
2130 %
2131 % o count: returns number of arguments in returned array
2132 %
2133 % o exception: return any errors or warnings in this structure.
2134 %
2135 */
2136 MagickExport double *StringToArrayOfDoubles(const char *string,ssize_t *count,
2138 {
2139  char
2140  *q;
2141 
2142  const char
2143  *p;
2144 
2145  double
2146  *array;
2147 
2148  ssize_t
2149  i;
2150 
2151  /*
2152  Determine count of values, and check syntax.
2153  */
2154  assert(exception != (ExceptionInfo *) NULL);
2156  *count=0;
2157  if (string == (char *) NULL)
2158  return((double *) NULL); /* no value found */
2159  i=0;
2160  p=string;
2161  while (*p != '\0')
2162  {
2163  (void) StringToDouble(p,&q); /* get value - ignores leading space */
2164  if (p == q)
2165  return((double *) NULL); /* no value found */
2166  p=q;
2167  i++; /* increment value count */
2168  while (isspace((int) ((unsigned char) *p)) != 0)
2169  p++; /* skip spaces */
2170  if (*p == ',')
2171  p++; /* skip comma */
2172  while (isspace((int) ((unsigned char) *p)) != 0)
2173  p++; /* and more spaces */
2174  }
2175  /*
2176  Allocate floating point argument list.
2177  */
2178  *count=i;
2179  array=(double *) AcquireQuantumMemory((size_t) i,sizeof(*array));
2180  if (array == (double *) NULL)
2181  {
2183  ResourceLimitError,"MemoryAllocationFailed","`%s'","");
2184  return((double *) NULL);
2185  }
2186  /*
2187  Fill in the floating point values.
2188  */
2189  i=0;
2190  p=string;
2191  while ((*p != '\0') && (i < *count))
2192  {
2193  array[i++]=StringToDouble(p,&q);
2194  p=q;
2195  while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
2196  p++;
2197  }
2198  return(array);
2199 }
2200 
2201 /*
2202 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2203 % %
2204 % %
2205 % %
2206 + S t r i n g T o k e n %
2207 % %
2208 % %
2209 % %
2210 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2211 %
2212 % StringToken() looks for any one of given delimiters and splits the string
2213 % into two separate strings by replacing the delimiter character found with a
2214 % null character.
2215 %
2216 % The given string pointer is changed to point to the string following the
2217 % delimiter character found, or NULL. A pointer to the start of the
2218 % string is returned, representing the token before the delimiter.
2219 %
2220 % StringToken() is similar to the strtok() C library method, but with
2221 % multiple delimiter characters rather than a delimiter string.
2222 %
2223 % The format of the StringToken method is:
2224 %
2225 % char *StringToken(const char *delimiters,char **string)
2226 %
2227 % A description of each parameter follows:
2228 %
2229 % o delimiters: one or more delimiters.
2230 %
2231 % o string: return the first token in the string. If none is found, return
2232 % NULL.
2233 %
2234 */
2235 MagickExport char *StringToken(const char *delimiters,char **string)
2236 {
2237  char
2238  *q;
2239 
2240  char
2241  *p;
2242 
2243  const char
2244  *r;
2245 
2246  int
2247  c,
2248  d;
2249 
2250  p=(*string);
2251  if (p == (char *) NULL)
2252  return((char *) NULL);
2253  q=p;
2254  for ( ; ; )
2255  {
2256  c=(*p++);
2257  r=delimiters;
2258  do
2259  {
2260  d=(*r++);
2261  if (c == d)
2262  {
2263  if (c == '\0')
2264  p=(char *) NULL;
2265  else
2266  p[-1]='\0';
2267  *string=p;
2268  return(q);
2269  }
2270  } while (d != '\0');
2271  }
2272 }
2273 
2274 /*
2275 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2276 % %
2277 % %
2278 % %
2279 % S t r i n g T o L i s t %
2280 % %
2281 % %
2282 % %
2283 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2284 %
2285 % StringToList() converts a text string into a list by segmenting the text
2286 % string at each carriage return discovered. The list is converted to HEX
2287 % characters if any control characters are discovered within the text string.
2288 %
2289 % The format of the StringToList method is:
2290 %
2291 % char **StringToList(const char *text)
2292 %
2293 % A description of each parameter follows:
2294 %
2295 % o text: Specifies the string to segment into a list.
2296 %
2297 */
2298 MagickExport char **StringToList(const char *text)
2299 {
2300  return(StringToStrings(text,(size_t *) NULL));
2301 }
2302 
2303 /*
2304 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2305 % %
2306 % %
2307 % %
2308 % S t r i n g T o S t r i n g s %
2309 % %
2310 % %
2311 % %
2312 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2313 %
2314 % StringToStrings() converts a text string into a list by segmenting the text
2315 % string at each carriage return discovered. The list is converted to HEX
2316 % characters if any control characters are discovered within the text string.
2317 %
2318 % The format of the StringToList method is:
2319 %
2320 % char **StringToList(const char *text,size_t *lines)
2321 %
2322 % A description of each parameter follows:
2323 %
2324 % o text: Specifies the string to segment into a list.
2325 %
2326 % o count: Return value for the number of items in the list.
2327 %
2328 */
2329 MagickExport char **StringToStrings(const char *text,size_t *count)
2330 {
2331  char
2332  **textlist;
2333 
2334  const char
2335  *p;
2336 
2337  ssize_t
2338  i;
2339 
2340  size_t
2341  lines;
2342 
2343  if (text == (char *) NULL)
2344  {
2345  if (count != (size_t *) NULL)
2346  *count=0;
2347  return((char **) NULL);
2348  }
2349  for (p=text; *p != '\0'; p++)
2350  if (((int) ((unsigned char) *p) < 32) &&
2351  (isspace((int) ((unsigned char) *p)) == 0))
2352  break;
2353  if (*p == '\0')
2354  {
2355  const char
2356  *q;
2357 
2358  /*
2359  Convert string to an ASCII list.
2360  */
2361  lines=1;
2362  for (p=text; *p != '\0'; p++)
2363  if (*p == '\n')
2364  lines++;
2365  textlist=(char **) AcquireQuantumMemory((size_t) lines+1UL,
2366  sizeof(*textlist));
2367  if (textlist == (char **) NULL)
2368  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2369  p=text;
2370  for (i=0; i < (ssize_t) lines; i++)
2371  {
2372  for (q=p; *q != '\0'; q++)
2373  if ((*q == '\r') || (*q == '\n'))
2374  break;
2375  textlist[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+1,
2376  sizeof(**textlist));
2377  if (textlist[i] == (char *) NULL)
2378  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2379  (void) memcpy(textlist[i],p,(size_t) (q-p));
2380  textlist[i][q-p]='\0';
2381  if (*q == '\r')
2382  q++;
2383  p=q+1;
2384  }
2385  }
2386  else
2387  {
2388  char
2389  hex_string[MagickPathExtent];
2390 
2391  char
2392  *q;
2393 
2394  ssize_t
2395  j;
2396 
2397  /*
2398  Convert string to a HEX list.
2399  */
2400  lines=(size_t) (strlen(text)/CharsPerLine)+1;
2401  textlist=(char **) AcquireQuantumMemory((size_t) lines+1UL,
2402  sizeof(*textlist));
2403  if (textlist == (char **) NULL)
2404  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2405  p=text;
2406  for (i=0; i < (ssize_t) lines; i++)
2407  {
2408  size_t
2409  length;
2410 
2411  textlist[i]=(char *) AcquireQuantumMemory(2UL*MagickPathExtent,
2412  sizeof(**textlist));
2413  if (textlist[i] == (char *) NULL)
2414  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2415  (void) FormatLocaleString(textlist[i],MagickPathExtent,"0x%08lx: ",
2416  (long) (CharsPerLine*i));
2417  q=textlist[i]+strlen(textlist[i]);
2418  length=strlen(p);
2419  for (j=1; j <= (ssize_t) MagickMin(length,CharsPerLine); j++)
2420  {
2421  (void) FormatLocaleString(hex_string,MagickPathExtent,"%02x",*(p+j));
2422  (void) CopyMagickString(q,hex_string,MagickPathExtent);
2423  q+=2;
2424  if ((j % 0x04) == 0)
2425  *q++=' ';
2426  }
2427  for ( ; j <= CharsPerLine; j++)
2428  {
2429  *q++=' ';
2430  *q++=' ';
2431  if ((j % 0x04) == 0)
2432  *q++=' ';
2433  }
2434  *q++=' ';
2435  for (j=1; j <= (ssize_t) MagickMin(length,CharsPerLine); j++)
2436  {
2437  if (isprint((int) ((unsigned char) *p)) != 0)
2438  *q++=(*p);
2439  else
2440  *q++='-';
2441  p++;
2442  }
2443  *q='\0';
2444  textlist[i]=(char *) ResizeQuantumMemory(textlist[i],(size_t) (q-
2445  textlist[i]+1),sizeof(**textlist));
2446  if (textlist[i] == (char *) NULL)
2447  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2448  }
2449  }
2450  if (count != (size_t *) NULL)
2451  *count=lines;
2452  textlist[i]=(char *) NULL;
2453  return(textlist);
2454 }
2455 
2456 /*
2457 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2458 % %
2459 % %
2460 % %
2461 % S t r i n g T o S t r i n g I n f o %
2462 % %
2463 % %
2464 % %
2465 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2466 %
2467 % StringToStringInfo() converts a string to a StringInfo type.
2468 %
2469 % The format of the StringToStringInfo method is:
2470 %
2471 % StringInfo *StringToStringInfo(const char *string)
2472 %
2473 % A description of each parameter follows:
2474 %
2475 % o string: The string.
2476 %
2477 */
2479 {
2480  StringInfo
2481  *string_info;
2482 
2483  assert(string != (const char *) NULL);
2484  string_info=AcquireStringInfo(strlen(string));
2485  SetStringInfoDatum(string_info,(const unsigned char *) string);
2486  return(string_info);
2487 }
2488 
2489 /*
2490 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2491 % %
2492 % %
2493 % %
2494 % S t r i p M a g i c k S t r i n g %
2495 % %
2496 % %
2497 % %
2498 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2499 %
2500 % StripMagickString() strips any whitespace or quotes from the beginning and
2501 % end of a string of characters. It returns the stripped string length.
2502 %
2503 % The format of the StripMagickString method is:
2504 %
2505 % size_t StripMagickString(char *message)
2506 %
2507 % A description of each parameter follows:
2508 %
2509 % o message: Specifies an array of characters.
2510 %
2511 */
2512 
2513 MagickExport void StripString(char *message)
2514 {
2515  (void) StripMagickString(message);
2516 }
2517 
2518 MagickExport size_t StripMagickString(char *message)
2519 {
2520  char
2521  *p,
2522  *q;
2523 
2524  size_t
2525  length;
2526 
2527  assert(message != (char *) NULL);
2528  if (*message == '\0')
2529  return(0);
2530  length=strlen(message);
2531  if (length == 1)
2532  return(1);
2533  p=message;
2534  while (isspace((int) ((unsigned char) *p)) != 0)
2535  p++;
2536  if ((*p == '\'') || (*p == '"'))
2537  p++;
2538  q=message+length-1;
2539  while ((isspace((int) ((unsigned char) *q)) != 0) && (q > p))
2540  q--;
2541  if (q > p)
2542  if ((*q == '\'') || (*q == '"'))
2543  q--;
2544  (void) memmove(message,p,(size_t) (q-p+1));
2545  message[q-p+1]='\0';
2546  for (p=message; *p != '\0'; p++)
2547  if (*p == '\n')
2548  *p=' ';
2549  return((size_t) (q-p+1));
2550 }
2551 
2552 /*
2553 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2554 % %
2555 % %
2556 % %
2557 % S u b s t i t u t e S t r i n g %
2558 % %
2559 % %
2560 % %
2561 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2562 %
2563 % SubstituteString() performs string substitution on a string, replacing the
2564 % string with the substituted version. Buffer must be allocated from the heap.
2565 % If the string is matched and status, MagickTrue is returned otherwise
2566 % MagickFalse.
2567 %
2568 % The format of the SubstituteString method is:
2569 %
2570 % MagickBooleanType SubstituteString(char **string,const char *search,
2571 % const char *replace)
2572 %
2573 % A description of each parameter follows:
2574 %
2575 % o string: the string to perform replacements on; replaced with new
2576 % allocation if a replacement is made.
2577 %
2578 % o search: search for this string.
2579 %
2580 % o replace: replace any matches with this string.
2581 %
2582 */
2584  const char *search,const char *replace)
2585 {
2587  status;
2588 
2589  char
2590  *p;
2591 
2592  size_t
2593  extent,
2594  replace_extent,
2595  search_extent;
2596 
2597  ssize_t
2598  offset;
2599 
2600  status=MagickFalse;
2601  search_extent=0,
2602  replace_extent=0;
2603  for (p=strchr(*string,*search); p != (char *) NULL; p=strchr(p+1,*search))
2604  {
2605  if (search_extent == 0)
2606  search_extent=strlen(search);
2607  if (strncmp(p,search,search_extent) != 0)
2608  continue;
2609  /*
2610  We found a match.
2611  */
2612  status=MagickTrue;
2613  if (replace_extent == 0)
2614  replace_extent=strlen(replace);
2615  if (replace_extent > search_extent)
2616  {
2617  /*
2618  Make room for the replacement string.
2619  */
2620  offset=(ssize_t) (p-(*string));
2621  extent=strlen(*string)+replace_extent-search_extent+1;
2622  *string=(char *) ResizeQuantumMemory(*string,
2623  OverAllocateMemory(extent+MagickPathExtent),sizeof(*p));
2624  if (*string == (char *) NULL)
2625  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
2626  p=(*string)+offset;
2627  }
2628  /*
2629  Replace string.
2630  */
2631  if (search_extent != replace_extent)
2632  (void) memmove(p+replace_extent,p+search_extent,
2633  strlen(p+search_extent)+1);
2634  (void) memcpy(p,replace,replace_extent);
2635  p+=replace_extent-1;
2636  }
2637  return(status);
2638 }
#define magick_restrict
Definition: MagickCore.h:41
MagickExport double InterpretSiPrefixValue(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: string.c:1297
MagickExport ssize_t FormatMagickSize(const MagickSizeType size, const MagickBooleanType bi, const char *suffix, const size_t length, char *format)
Definition: string.c:1058
Definition: blob.h:30
MagickExport MagickBooleanType IsStringFalse(const char *value)
Definition: string.c:1427
MagickExport int CompareStringInfo(const StringInfo *target, const StringInfo *source)
Definition: string.c:344
MagickExport StringInfo * StringToStringInfo(const char *string)
Definition: string.c:2478
MagickExport size_t ConcatenateMagickString(char *magick_restrict destination, const char *magick_restrict source, const size_t length)
Definition: string.c:392
MagickExport void SetStringInfoPath(StringInfo *string_info, const char *path)
Definition: string.c:1782
static StringInfo * AcquireStringInfoContainer()
Definition: string.c:140
char * map
Definition: stream.c:84
#define ThrowFatalException(severity, tag)
size_t signature
Definition: exception.h:123
MagickPrivate SignatureInfo * AcquireSignatureInfo(void)
unsigned char * datum
Definition: string_.h:33
MagickExport char * EscapeString(const char *source, const char escape)
Definition: string.c:894
MagickExport size_t StripMagickString(char *message)
Definition: string.c:2518
#define MAGICK_SSIZE_MAX
Definition: studio.h:350
static double StringToDouble(const char *magick_restrict string, char **magick_restrict sentinal)
MagickExport char * SanitizeString(const char *source)
Definition: string.c:1585
MagickExport void ConcatenateStringInfo(StringInfo *string_info, const StringInfo *source)
Definition: string.c:518
MagickExport ssize_t FormatLocaleString(char *magick_restrict string, const size_t length, const char *magick_restrict format,...)
Definition: locale.c:463
MagickExport size_t CopyMagickString(char *magick_restrict destination, const char *magick_restrict source, const size_t length)
Definition: string.c:731
#define MagickEpsilon
Definition: magick-type.h:114
MagickExport void * ResizeQuantumMemory(void *memory, const size_t count, const size_t quantum)
Definition: memory.c:1457
#define O_BINARY
Definition: studio.h:330
MagickExport void StripString(char *message)
Definition: string.c:2513
Definition: log.h:52
MagickExport char * FileToString(const char *filename, const size_t extent, ExceptionInfo *exception)
Definition: string.c:965
ssize_t MagickOffsetType
Definition: magick-type.h:133
#define MagickCoreSignature
MagickPrivate void FinalizeSignature(SignatureInfo *)
MagickPrivate SignatureInfo * DestroySignatureInfo(SignatureInfo *)
Definition: signature.c:171
MagickExport unsigned char * GetStringInfoDatum(const StringInfo *string_info)
Definition: string.c:1176
MagickExport ssize_t FormatLocaleFile(FILE *file, const char *magick_restrict format,...)
Definition: locale.c:368
MagickBooleanType
Definition: magick-type.h:165
MagickExport char ** StringToList(const char *text)
Definition: string.c:2298
MagickExport char * AcquireString(const char *source)
Definition: string.c:94
MagickExport void * FileToBlob(const char *filename, const size_t extent, size_t *length, ExceptionInfo *exception)
Definition: blob.c:1393
size_t signature
Definition: stream.c:105
MagickExport void * AcquireCriticalMemory(const size_t size)
Definition: memory.c:626
MagickExport StringInfo * FileToStringInfo(const char *filename, const size_t extent, ExceptionInfo *exception)
Definition: string.c:1004
MagickExport StringInfo * DestroyStringInfo(StringInfo *string_info)
Definition: string.c:815
MagickExport void ResetStringInfo(StringInfo *string_info)
Definition: string.c:1553
MagickExport void * AcquireQuantumMemory(const size_t count, const size_t quantum)
Definition: memory.c:665
size_t MagickSizeType
Definition: magick-type.h:134
#define MagickPathExtent
MagickExport void PrintStringInfo(FILE *file, const char *id, const StringInfo *string_info)
Definition: string.c:1469
MagickExport MagickBooleanType IsStringTrue(const char *value)
Definition: string.c:1386
MagickExport int GetMagickPrecision(void)
Definition: magick.c:942
MagickExport StringInfo * BlobToStringInfo(const void *blob, const size_t length)
Definition: string.c:193
MagickExport MagickBooleanType ThrowMagickException(ExceptionInfo *exception, const char *module, const char *function, const size_t line, const ExceptionType severity, const char *tag, const char *format,...)
Definition: exception.c:1145
MagickExport MagickBooleanType LogMagickEvent(const LogEventType type, const char *module, const char *function, const size_t line, const char *format,...)
Definition: log.c:1660
static int open_utf8(const char *path, int flags, mode_t mode)
ExceptionInfo * exception
Definition: stream.c:99
MagickExport double * StringToArrayOfDoubles(const char *string, ssize_t *count, ExceptionInfo *exception)
Definition: string.c:2136
MagickExport MagickBooleanType SubstituteString(char **string, const char *search, const char *replace)
Definition: string.c:2583
MagickExport char * GetEnvironmentValue(const char *name)
Definition: string.c:1143
MagickExport StringInfo * ConfigureFileToStringInfo(const char *filename)
Definition: string.c:570
static size_t OverAllocateMemory(const size_t length)
MagickExport char * StringInfoToDigest(const StringInfo *signature)
Definition: string.c:1852
MagickExport StringInfo * AcquireStringInfo(const size_t length)
Definition: string.c:151
MagickPrivate void UpdateSignature(SignatureInfo *, const StringInfo *)
Definition: signature.c:766
MagickExport int LocaleCompare(const char *p, const char *q)
Definition: locale.c:1399
#define GetMagickModule()
Definition: log.h:28
MagickExport const char * GetStringInfoPath(const StringInfo *string_info)
Definition: string.c:1263
MagickExport void SetStringInfoName(StringInfo *string_info, const char *name)
Definition: string.c:1750
MagickExport char * StringToken(const char *delimiters, char **string)
Definition: string.c:2235
MagickExport void SetStringInfoLength(StringInfo *string_info, const size_t length)
Definition: string.c:1706
MagickExport char * DestroyString(char *string)
Definition: string.c:788
char * name
Definition: string_.h:40
MagickExport char ** DestroyStringList(char **list)
Definition: string.c:853
#define MagickMin(x, y)
Definition: image-private.h:37
MagickExport MagickBooleanType ConcatenateString(char **magick_restrict destination, const char *magick_restrict source)
Definition: string.c:458
char * path
Definition: string_.h:30
MagickExport void * RelinquishMagickMemory(void *memory)
Definition: memory.c:1162
MagickExport MagickBooleanType UnmapBlob(void *, const size_t)
Definition: blob.c:5552
size_t signature
Definition: string_.h:36
MagickExport char * CloneString(char **destination, const char *source)
Definition: string.c:250
MagickPrivate const StringInfo * GetSignatureDigest(const SignatureInfo *)
Definition: signature.c:327
MagickExport char ** StringToStrings(const char *text, size_t *count)
Definition: string.c:2329
#define CharsPerLine
Definition: string.c:64
size_t length
Definition: string_.h:36
#define MagickExport
MagickExport StringInfo * SplitStringInfo(StringInfo *string_info, const size_t offset)
Definition: string.c:1812
MagickExport char * StringInfoToString(const StringInfo *string_info)
Definition: string.c:1967
MagickExport char * StringInfoToHexString(const StringInfo *string_info)
Definition: string.c:1890
MagickExport char ** StringToArgv(const char *text, int *argc)
Definition: string.c:2021
MagickExport size_t GetStringInfoLength(const StringInfo *string_info)
Definition: string.c:1205
MagickExport const char * GetStringInfoName(const StringInfo *string_info)
Definition: string.c:1234
MagickExport char * ConstantString(const char *source)
Definition: string.c:678
MagickExport StringInfo * CloneStringInfo(const StringInfo *string_info)
Definition: string.c:302
MagickExport void SetStringInfoDatum(StringInfo *string_info, const unsigned char *source)
Definition: string.c:1673
MagickExport void * MapBlob(int, const MapMode, const MagickOffsetType, const size_t)
MagickExport void SetStringInfo(StringInfo *string_info, const StringInfo *source)
Definition: string.c:1633
MagickExport double InterpretLocaleValue(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: locale.c:967