MagickCore  7.0.3
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 1999-2019 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"
44 #include "MagickCore/blob-private.h"
45 #include "MagickCore/exception.h"
46 #include "MagickCore/exception-private.h"
47 #include "MagickCore/image-private.h"
48 #include "MagickCore/list.h"
49 #include "MagickCore/locale_.h"
50 #include "MagickCore/log.h"
51 #include "MagickCore/memory_.h"
52 #include "MagickCore/memory-private.h"
53 #include "MagickCore/nt-base-private.h"
54 #include "MagickCore/property.h"
55 #include "MagickCore/resource_.h"
56 #include "MagickCore/signature-private.h"
57 #include "MagickCore/string_.h"
58 #include "MagickCore/string-private.h"
59 #include "MagickCore/utility-private.h"
60 
61 /*
62  Define declarations.
63 */
64 #define CharsPerLine 0x14
65 
66 /*
67  Static declarations.
68 */
69 #ifdef __VMS
70 #define asciimap AsciiMap
71 #endif
72 #if !defined(MAGICKCORE_HAVE_STRCASECMP) || !defined(MAGICKCORE_HAVE_STRNCASECMP)
73 static const unsigned char
74  AsciiMap[] =
75  {
76  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
77  0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
78  0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
79  0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
80  0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
81  0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
82  0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73,
83  0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
84  0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b,
85  0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
86  0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83,
87  0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
88  0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b,
89  0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
90  0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3,
91  0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
92  0xc0, 0xe1, 0xe2, 0xe3, 0xe4, 0xc5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
93  0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
94  0xf8, 0xf9, 0xfa, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3,
95  0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
96  0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
97  0xfc, 0xfd, 0xfe, 0xff,
98  };
99 #endif
100 
101 /*
102 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
103 % %
104 % %
105 % %
106 % A c q u i r e S t r i n g %
107 % %
108 % %
109 % %
110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
111 %
112 % AcquireString() returns an new extented string, containing a clone of the
113 % given string.
114 %
115 % An extended string is the string length, plus an extra MagickPathExtent space
116 % to allow for the string to be actively worked on.
117 %
118 % The returned string shoud be freed using DestoryString().
119 %
120 % The format of the AcquireString method is:
121 %
122 % char *AcquireString(const char *source)
123 %
124 % A description of each parameter follows:
125 %
126 % o source: A character string.
127 %
128 */
129 MagickExport char *AcquireString(const char *source)
130 {
131  char
132  *destination;
133 
134  size_t
135  length;
136 
137  length=0;
138  if (source != (char *) NULL)
139  length+=strlen(source);
140  if (~length < MagickPathExtent)
141  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
142  destination=(char *) AcquireQuantumMemory(length+MagickPathExtent,
143  sizeof(*destination));
144  if (destination == (char *) NULL)
145  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
146  *destination='\0';
147  if (source != (char *) NULL)
148  (void) memcpy(destination,source,length*sizeof(*destination));
149  destination[length]='\0';
150  return(destination);
151 }
152 
153 /*
154 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
155 % %
156 % %
157 % %
158 % A c q u i r e S t r i n g I n f o %
159 % %
160 % %
161 % %
162 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
163 %
164 % AcquireStringInfo() allocates the StringInfo structure.
165 %
166 % The format of the AcquireStringInfo method is:
167 %
168 % StringInfo *AcquireStringInfo(const size_t length)
169 %
170 % A description of each parameter follows:
171 %
172 % o length: the string length.
173 %
174 */
175 
176 static StringInfo *AcquireStringInfoContainer()
177 {
178  StringInfo
179  *string_info;
180 
181  string_info=(StringInfo *) AcquireCriticalMemory(sizeof(*string_info));
182  (void) memset(string_info,0,sizeof(*string_info));
183  string_info->signature=MagickCoreSignature;
184  return(string_info);
185 }
186 
187 MagickExport StringInfo *AcquireStringInfo(const size_t length)
188 {
189  StringInfo
190  *string_info;
191 
192  string_info=AcquireStringInfoContainer();
193  string_info->length=length;
194  if (~string_info->length >= (MagickPathExtent-1))
195  string_info->datum=(unsigned char *) AcquireQuantumMemory(
196  string_info->length+MagickPathExtent,sizeof(*string_info->datum));
197  if (string_info->datum == (unsigned char *) NULL)
198  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
199  (void) memset(string_info->datum,0,(length+MagickPathExtent)*
200  sizeof(*string_info->datum));
201  return(string_info);
202 }
203 
204 /*
205 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
206 % %
207 % %
208 % %
209 % B l o b T o S t r i n g I n f o %
210 % %
211 % %
212 % %
213 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
214 %
215 % BlobToStringInfo() returns the contents of a blob as a StringInfo structure
216 % with MagickPathExtent extra space.
217 %
218 % The format of the BlobToStringInfo method is:
219 %
220 % StringInfo *BlobToStringInfo(const void *blob,const size_t length)
221 %
222 % A description of each parameter follows:
223 %
224 % o blob: the blob.
225 %
226 % o length: the length of the blob.
227 %
228 */
229 MagickExport StringInfo *BlobToStringInfo(const void *blob,const size_t length)
230 {
231  StringInfo
232  *string_info;
233 
234  if (~length < MagickPathExtent)
235  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
236  string_info=AcquireStringInfoContainer();
237  string_info->length=length;
238  string_info->datum=(unsigned char *) AcquireQuantumMemory(length+
239  MagickPathExtent,sizeof(*string_info->datum));
240  if (string_info->datum == (unsigned char *) NULL)
241  {
242  string_info=DestroyStringInfo(string_info);
243  return((StringInfo *) NULL);
244  }
245  if (blob != (const void *) NULL)
246  (void) memcpy(string_info->datum,blob,length);
247  else
248  (void) memset(string_info->datum,0,length*sizeof(*string_info->datum));
249  (void) memset(string_info->datum+length,0,MagickPathExtent*
250  sizeof(*string_info->datum));
251  return(string_info);
252 }
253 
254 /*
255 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
256 % %
257 % %
258 % %
259 % C l o n e S t r i n g %
260 % %
261 % %
262 % %
263 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
264 %
265 % CloneString() replaces or frees the destination string to make it
266 % a clone of the input string plus MagickPathExtent more space so the string
267 % may be worked on.
268 %
269 % If source is a NULL pointer the destination string will be freed and set to
270 % a NULL pointer. A pointer to the stored in the destination is also returned.
271 %
272 % When finished the non-NULL string should be freed using DestoryString()
273 % or using CloneString() with a NULL pointed for the source.
274 %
275 % The format of the CloneString method is:
276 %
277 % char *CloneString(char **destination,const char *source)
278 %
279 % A description of each parameter follows:
280 %
281 % o destination: A pointer to a character string.
282 %
283 % o source: A character string.
284 %
285 */
286 MagickExport char *CloneString(char **destination,const char *source)
287 {
288  size_t
289  length;
290 
291  assert(destination != (char **) NULL);
292  if (source == (const char *) NULL)
293  {
294  if (*destination != (char *) NULL)
295  *destination=DestroyString(*destination);
296  return(*destination);
297  }
298  if (*destination == (char *) NULL)
299  {
300  *destination=AcquireString(source);
301  return(*destination);
302  }
303  length=strlen(source);
304  if (~length < MagickPathExtent)
305  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
306  *destination=(char *) ResizeQuantumMemory(*destination,length+
307  MagickPathExtent,sizeof(**destination));
308  if (*destination == (char *) NULL)
309  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
310  if (length != 0)
311  (void) memcpy(*destination,source,length*sizeof(**destination));
312  (*destination)[length]='\0';
313  return(*destination);
314 }
315 
316 /*
317 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
318 % %
319 % %
320 % %
321 % C l o n e S t r i n g I n f o %
322 % %
323 % %
324 % %
325 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
326 %
327 % CloneStringInfo() clones a copy of the StringInfo structure.
328 %
329 % The format of the CloneStringInfo method is:
330 %
331 % StringInfo *CloneStringInfo(const StringInfo *string_info)
332 %
333 % A description of each parameter follows:
334 %
335 % o string_info: the string info.
336 %
337 */
338 MagickExport StringInfo *CloneStringInfo(const StringInfo *string_info)
339 {
340  StringInfo
341  *clone_info;
342 
343  assert(string_info != (StringInfo *) NULL);
344  assert(string_info->signature == MagickCoreSignature);
345  clone_info=AcquireStringInfo(string_info->length);
346  if (string_info->length != 0)
347  (void) memcpy(clone_info->datum,string_info->datum,string_info->length+1);
348  return(clone_info);
349 }
350 
351 /*
352 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
353 % %
354 % %
355 % %
356 % C o m p a r e S t r i n g I n f o %
357 % %
358 % %
359 % %
360 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
361 %
362 % CompareStringInfo() compares the two datums target and source. It returns
363 % an integer less than, equal to, or greater than zero if target is found,
364 % respectively, to be less than, to match, or be greater than source.
365 %
366 % The format of the CompareStringInfo method is:
367 %
368 % int CompareStringInfo(const StringInfo *target,const StringInfo *source)
369 %
370 % A description of each parameter follows:
371 %
372 % o target: the target string.
373 %
374 % o source: the source string.
375 %
376 */
377 
378 MagickExport int CompareStringInfo(const StringInfo *target,
379  const StringInfo *source)
380 {
381  int
382  status;
383 
384  assert(target != (StringInfo *) NULL);
385  assert(target->signature == MagickCoreSignature);
386  assert(source != (StringInfo *) NULL);
387  assert(source->signature == MagickCoreSignature);
388  status=memcmp(target->datum,source->datum,MagickMin(target->length,
389  source->length));
390  if (status != 0)
391  return(status);
392  if (target->length == source->length)
393  return(0);
394  return(target->length < source->length ? -1 : 1);
395 }
396 
397 /*
398 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
399 % %
400 % %
401 % %
402 % C o n c a t e n a t e M a g i c k S t r i n g %
403 % %
404 % %
405 % %
406 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
407 %
408 % ConcatenateMagickString() concatenates the source string to the destination
409 % string. The destination buffer is always null-terminated even if the
410 % string must be truncated.
411 %
412 % The format of the ConcatenateMagickString method is:
413 %
414 % size_t ConcatenateMagickString(char *destination,const char *source,
415 % const size_t length)
416 %
417 % A description of each parameter follows:
418 %
419 % o destination: the destination string.
420 %
421 % o source: the source string.
422 %
423 % o length: the length of the destination string.
424 %
425 */
426 MagickExport size_t ConcatenateMagickString(char *destination,
427  const char *source,const size_t length)
428 {
429  register char
430  *q;
431 
432  register const char
433  *p;
434 
435  register size_t
436  i;
437 
438  size_t
439  count;
440 
441  assert(destination != (char *) NULL);
442  assert(source != (const char *) NULL);
443  assert(length >= 1);
444  p=source;
445  q=destination;
446  i=length;
447  while ((i-- != 0) && (*q != '\0'))
448  q++;
449  count=(size_t) (q-destination);
450  i=length-count;
451  if (i == 0)
452  return(count+strlen(p));
453  while (*p != '\0')
454  {
455  if (i != 1)
456  {
457  *q++=(*p);
458  i--;
459  }
460  p++;
461  }
462  *q='\0';
463  return(count+(p-source));
464 }
465 
466 /*
467 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
468 % %
469 % %
470 % %
471 % C o n c a t e n a t e S t r i n g %
472 % %
473 % %
474 % %
475 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
476 %
477 % ConcatenateString() appends a copy of string source, including the
478 % terminating null character, to the end of string destination.
479 %
480 % The format of the ConcatenateString method is:
481 %
482 % MagickBooleanType ConcatenateString(char **destination,
483 % const char *source)
484 %
485 % A description of each parameter follows:
486 %
487 % o destination: A pointer to a character string.
488 %
489 % o source: A character string.
490 %
491 */
492 MagickExport MagickBooleanType ConcatenateString(char **destination,
493  const char *source)
494 {
495  size_t
496  destination_length,
497  length,
498  source_length;
499 
500  assert(destination != (char **) NULL);
501  if (source == (const char *) NULL)
502  return(MagickTrue);
503  if (*destination == (char *) NULL)
504  {
505  *destination=AcquireString(source);
506  return(MagickTrue);
507  }
508  destination_length=strlen(*destination);
509  source_length=strlen(source);
510  length=destination_length;
511  if (~length < source_length)
512  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
513  length+=source_length;
514  if (~length < MagickPathExtent)
515  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
516  *destination=(char *) ResizeQuantumMemory(*destination,length+
517  MagickPathExtent,sizeof(**destination));
518  if (*destination == (char *) NULL)
519  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
520  if (source_length != 0)
521  (void) memcpy((*destination)+destination_length,source,source_length);
522  (*destination)[length]='\0';
523  return(MagickTrue);
524 }
525 
526 /*
527 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
528 % %
529 % %
530 % %
531 % C o n c a t e n a t e S t r i n g I n f o %
532 % %
533 % %
534 % %
535 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
536 %
537 % ConcatenateStringInfo() concatenates the source string to the destination
538 % string.
539 %
540 % The format of the ConcatenateStringInfo method is:
541 %
542 % void ConcatenateStringInfo(StringInfo *string_info,
543 % const StringInfo *source)
544 %
545 % A description of each parameter follows:
546 %
547 % o string_info: the string info.
548 %
549 % o source: the source string.
550 %
551 */
552 MagickExport void ConcatenateStringInfo(StringInfo *string_info,
553  const StringInfo *source)
554 {
555  size_t
556  length;
557 
558  assert(string_info != (StringInfo *) NULL);
559  assert(string_info->signature == MagickCoreSignature);
560  assert(source != (const StringInfo *) NULL);
561  length=string_info->length;
562  if (~length < source->length)
563  ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString");
564  SetStringInfoLength(string_info,length+source->length);
565  (void) memcpy(string_info->datum+length,source->datum,source->length);
566 }
567 
568 /*
569 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
570 % %
571 % %
572 % %
573 % 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 %
574 % %
575 % %
576 % %
577 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
578 %
579 % ConfigureFileToStringInfo() returns the contents of a configure file as a
580 % string.
581 %
582 % The format of the ConfigureFileToStringInfo method is:
583 %
584 % StringInfo *ConfigureFileToStringInfo(const char *filename)
585 % ExceptionInfo *exception)
586 %
587 % A description of each parameter follows:
588 %
589 % o filename: the filename.
590 %
591 */
592 MagickExport StringInfo *ConfigureFileToStringInfo(const char *filename)
593 {
594  char
595  *string;
596 
597  int
598  file;
599 
600  MagickOffsetType
601  offset;
602 
603  size_t
604  length;
605 
606  StringInfo
607  *string_info;
608 
609  void
610  *map;
611 
612  assert(filename != (const char *) NULL);
613  file=open_utf8(filename,O_RDONLY | O_BINARY,0);
614  if (file == -1)
615  return((StringInfo *) NULL);
616  offset=(MagickOffsetType) lseek(file,0,SEEK_END);
617  if ((offset < 0) || (offset != (MagickOffsetType) ((ssize_t) offset)))
618  {
619  file=close(file)-1;
620  return((StringInfo *) NULL);
621  }
622  length=(size_t) offset;
623  string=(char *) NULL;
624  if (~length >= (MagickPathExtent-1))
625  string=(char *) AcquireQuantumMemory(length+MagickPathExtent,
626  sizeof(*string));
627  if (string == (char *) NULL)
628  {
629  file=close(file)-1;
630  return((StringInfo *) NULL);
631  }
632  map=MapBlob(file,ReadMode,0,length);
633  if (map != (void *) NULL)
634  {
635  (void) memcpy(string,map,length);
636  (void) UnmapBlob(map,length);
637  }
638  else
639  {
640  register size_t
641  i;
642 
643  ssize_t
644  count;
645 
646  (void) lseek(file,0,SEEK_SET);
647  for (i=0; i < length; i+=count)
648  {
649  count=read(file,string+i,(size_t) MagickMin(length-i,(size_t)
650  SSIZE_MAX));
651  if (count <= 0)
652  {
653  count=0;
654  if (errno != EINTR)
655  break;
656  }
657  }
658  if (i < length)
659  {
660  file=close(file)-1;
661  string=DestroyString(string);
662  return((StringInfo *) NULL);
663  }
664  }
665  string[length]='\0';
666  file=close(file)-1;
667  string_info=AcquireStringInfoContainer();
668  string_info->path=ConstantString(filename);
669  string_info->length=length;
670  string_info->datum=(unsigned char *) string;
671  return(string_info);
672 }
673 
674 /*
675 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
676 % %
677 % %
678 % %
679 % C o n s t a n t S t r i n g %
680 % %
681 % %
682 % %
683 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
684 %
685 % ConstantString() allocates exactly the needed memory for a string and
686 % copies the source string to that memory location. A NULL string pointer
687 % will allocate an empty string containing just the NUL character.
688 %
689 % When finished the string should be freed using DestoryString()
690 %
691 % The format of the ConstantString method is:
692 %
693 % char *ConstantString(const char *source)
694 %
695 % A description of each parameter follows:
696 %
697 % o source: A character string.
698 %
699 */
700 MagickExport char *ConstantString(const char *source)
701 {
702  char
703  *destination;
704 
705  size_t
706  length;
707 
708  length=0;
709  if (source != (char *) NULL)
710  length+=strlen(source);
711  destination=(char *) NULL;
712  if (~length >= 1UL)
713  destination=(char *) AcquireQuantumMemory(length+1UL,sizeof(*destination));
714  if (destination == (char *) NULL)
715  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
716  *destination='\0';
717  if (source != (char *) NULL)
718  (void) memcpy(destination,source,length*sizeof(*destination));
719  destination[length]='\0';
720  return(destination);
721 }
722 
723 /*
724 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
725 % %
726 % %
727 % %
728 % C o p y M a g i c k S t r i n g %
729 % %
730 % %
731 % %
732 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
733 %
734 % CopyMagickString() copies the source string to the destination string, with
735 % out exceeding the given pre-declared length.
736 %
737 % The destination buffer is always null-terminated even if the string must be
738 % truncated. The return value is the minimum of the source string length or
739 % the length parameter.
740 %
741 % The format of the CopyMagickString method is:
742 %
743 % size_t CopyMagickString(const char *destination,char *source,
744 % const size_t length)
745 %
746 % A description of each parameter follows:
747 %
748 % o destination: the destination string.
749 %
750 % o source: the source string.
751 %
752 % o length: the length of the destination string.
753 %
754 */
755 MagickExport size_t CopyMagickString(char *destination,const char *source,
756  const size_t length)
757 {
758  register char
759  *q;
760 
761  register const char
762  *p;
763 
764  register size_t
765  n;
766 
767  p=source;
768  q=destination;
769  for (n=length; n > 4; n-=4)
770  {
771  *q=(*p++);
772  if (*q == '\0')
773  return((size_t) (p-source-1));
774  q++;
775  *q=(*p++);
776  if (*q == '\0')
777  return((size_t) (p-source-1));
778  q++;
779  *q=(*p++);
780  if (*q == '\0')
781  return((size_t) (p-source-1));
782  q++;
783  *q=(*p++);
784  if (*q == '\0')
785  return((size_t) (p-source-1));
786  q++;
787  }
788  if (n != 0)
789  for (n--; n != 0; n--)
790  {
791  *q=(*p++);
792  if (*q == '\0')
793  return((size_t) (p-source-1));
794  q++;
795  }
796  if (length != 0)
797  *q='\0';
798  return((size_t) (p-source-1));
799 }
800 
801 /*
802 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
803 % %
804 % %
805 % %
806 % D e s t r o y S t r i n g %
807 % %
808 % %
809 % %
810 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
811 %
812 % DestroyString() destroys memory associated with a string.
813 %
814 % The format of the DestroyString method is:
815 %
816 % char *DestroyString(char *string)
817 %
818 % A description of each parameter follows:
819 %
820 % o string: the string.
821 %
822 */
823 MagickExport char *DestroyString(char *string)
824 {
825  return((char *) RelinquishMagickMemory(string));
826 }
827 
828 /*
829 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
830 % %
831 % %
832 % %
833 % D e s t r o y S t r i n g I n f o %
834 % %
835 % %
836 % %
837 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
838 %
839 % DestroyStringInfo() destroys memory associated with the StringInfo structure.
840 %
841 % The format of the DestroyStringInfo method is:
842 %
843 % StringInfo *DestroyStringInfo(StringInfo *string_info)
844 %
845 % A description of each parameter follows:
846 %
847 % o string_info: the string info.
848 %
849 */
850 MagickExport StringInfo *DestroyStringInfo(StringInfo *string_info)
851 {
852  assert(string_info != (StringInfo *) NULL);
853  assert(string_info->signature == MagickCoreSignature);
854  if (string_info->datum != (unsigned char *) NULL)
855  string_info->datum=(unsigned char *) RelinquishMagickMemory(
856  string_info->datum);
857  if (string_info->name != (char *) NULL)
858  string_info->name=DestroyString(string_info->name);
859  if (string_info->path != (char *) NULL)
860  string_info->path=DestroyString(string_info->path);
861  string_info->signature=(~MagickCoreSignature);
862  string_info=(StringInfo *) RelinquishMagickMemory(string_info);
863  return(string_info);
864 }
865 
866 /*
867 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
868 % %
869 % %
870 % %
871 % D e s t r o y S t r i n g L i s t %
872 % %
873 % %
874 % %
875 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
876 %
877 % DestroyStringList() zeros memory associated with a string list.
878 %
879 % The format of the DestroyStringList method is:
880 %
881 % char **DestroyStringList(char **list)
882 %
883 % A description of each parameter follows:
884 %
885 % o list: the string list.
886 %
887 */
888 MagickExport char **DestroyStringList(char **list)
889 {
890  register ssize_t
891  i;
892 
893  assert(list != (char **) NULL);
894  for (i=0; list[i] != (char *) NULL; i++)
895  list[i]=DestroyString(list[i]);
896  list=(char **) RelinquishMagickMemory(list);
897  return(list);
898 }
899 
900 /*
901 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
902 % %
903 % %
904 % %
905 % E s c a p e S t r i n g %
906 % %
907 % %
908 % %
909 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
910 %
911 % EscapeString() allocates memory for a backslash-escaped version of a
912 % source text string, copies the escaped version of the text to that
913 % memory location while adding backslash characters, and returns the
914 % escaped string.
915 %
916 % The format of the EscapeString method is:
917 %
918 % char *EscapeString(const char *source,const char escape)
919 %
920 % A description of each parameter follows:
921 %
922 % o allocate_string: Method EscapeString returns the escaped string.
923 %
924 % o source: A character string.
925 %
926 % o escape: the quoted string termination character to escape (e.g. '"').
927 %
928 */
929 MagickExport char *EscapeString(const char *source,const char escape)
930 {
931  char
932  *destination;
933 
934  register char
935  *q;
936 
937  register const char
938  *p;
939 
940  size_t
941  length;
942 
943  assert(source != (const char *) NULL);
944  length=0;
945  for (p=source; *p != '\0'; p++)
946  {
947  if ((*p == '\\') || (*p == escape))
948  {
949  if (~length < 1)
950  ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString");
951  length++;
952  }
953  length++;
954  }
955  destination=(char *) NULL;
956  if (~length >= (MagickPathExtent-1))
957  destination=(char *) AcquireQuantumMemory(length+MagickPathExtent,
958  sizeof(*destination));
959  if (destination == (char *) NULL)
960  ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString");
961  *destination='\0';
962  q=destination;
963  for (p=source; *p != '\0'; p++)
964  {
965  if ((*p == '\\') || (*p == escape))
966  *q++='\\';
967  *q++=(*p);
968  }
969  *q='\0';
970  return(destination);
971 }
972 
973 /*
974 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
975 % %
976 % %
977 % %
978 % F i l e T o S t r i n g %
979 % %
980 % %
981 % %
982 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
983 %
984 % FileToString() returns the contents of a file as a string.
985 %
986 % The format of the FileToString method is:
987 %
988 % char *FileToString(const char *filename,const size_t extent,
989 % ExceptionInfo *exception)
990 %
991 % A description of each parameter follows:
992 %
993 % o filename: the filename.
994 %
995 % o extent: Maximum length of the string.
996 %
997 % o exception: return any errors or warnings in this structure.
998 %
999 */
1000 MagickExport char *FileToString(const char *filename,const size_t extent,
1001  ExceptionInfo *exception)
1002 {
1003  size_t
1004  length;
1005 
1006  assert(filename != (const char *) NULL);
1007  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
1008  assert(exception != (ExceptionInfo *) NULL);
1009  return((char *) FileToBlob(filename,extent,&length,exception));
1010 }
1011 
1012 /*
1013 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1014 % %
1015 % %
1016 % %
1017 % F i l e T o S t r i n g I n f o %
1018 % %
1019 % %
1020 % %
1021 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1022 %
1023 % FileToStringInfo() returns the contents of a file as a string.
1024 %
1025 % The format of the FileToStringInfo method is:
1026 %
1027 % StringInfo *FileToStringInfo(const char *filename,const size_t extent,
1028 % ExceptionInfo *exception)
1029 %
1030 % A description of each parameter follows:
1031 %
1032 % o filename: the filename.
1033 %
1034 % o extent: Maximum length of the string.
1035 %
1036 % o exception: return any errors or warnings in this structure.
1037 %
1038 */
1039 MagickExport StringInfo *FileToStringInfo(const char *filename,
1040  const size_t extent,ExceptionInfo *exception)
1041 {
1042  StringInfo
1043  *string_info;
1044 
1045  assert(filename != (const char *) NULL);
1046  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
1047  assert(exception != (ExceptionInfo *) NULL);
1048  string_info=AcquireStringInfoContainer();
1049  string_info->path=ConstantString(filename);
1050  string_info->datum=(unsigned char *) FileToBlob(filename,extent,
1051  &string_info->length,exception);
1052  if (string_info->datum == (unsigned char *) NULL)
1053  {
1054  string_info=DestroyStringInfo(string_info);
1055  return((StringInfo *) NULL);
1056  }
1057  return(string_info);
1058 }
1059 
1060 /*
1061 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1062 % %
1063 % %
1064 % %
1065 % F o r m a t M a g i c k S i z e %
1066 % %
1067 % %
1068 % %
1069 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1070 %
1071 % FormatMagickSize() converts a size to a human readable format, for example,
1072 % 14k, 234m, 2.7g, or 3.0t. Scaling is done by repetitively dividing by
1073 % 1000.
1074 %
1075 % The format of the FormatMagickSize method is:
1076 %
1077 % ssize_t FormatMagickSize(const MagickSizeType size,const char *suffix,
1078 % const size_t length,char *format)
1079 %
1080 % A description of each parameter follows:
1081 %
1082 % o size: convert this size to a human readable format.
1083 %
1084 % o bi: use power of two rather than power of ten.
1085 %
1086 % o suffix: append suffix, typically B or P.
1087 %
1088 % o length: the maximum length of the string.
1089 %
1090 % o format: human readable format.
1091 %
1092 */
1093 MagickExport ssize_t FormatMagickSize(const MagickSizeType size,
1094  const MagickBooleanType bi,const char *suffix,const size_t length,
1095  char *format)
1096 {
1097  char
1098  p[MagickPathExtent],
1099  q[MagickPathExtent];
1100 
1101  const char
1102  **units;
1103 
1104  double
1105  bytes,
1106  extent;
1107 
1108  register ssize_t
1109  i;
1110 
1111  ssize_t
1112  count;
1113 
1114  static const char
1115  *bi_units[] =
1116  {
1117  "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi", (char *) NULL
1118  },
1119  *traditional_units[] =
1120  {
1121  "", "K", "M", "G", "T", "P", "E", "Z", "Y", (char *) NULL
1122  };
1123 
1124  bytes=1000.0;
1125  units=traditional_units;
1126  if (bi != MagickFalse)
1127  {
1128  bytes=1024.0;
1129  units=bi_units;
1130  }
1131 #if defined(_MSC_VER) && (_MSC_VER == 1200)
1132  extent=(double) ((MagickOffsetType) size);
1133 #else
1134  extent=(double) size;
1135 #endif
1136  (void) FormatLocaleString(p,MagickPathExtent,"%.*g",GetMagickPrecision(),
1137  extent);
1138  (void) FormatLocaleString(q,MagickPathExtent,"%.20g",extent);
1139  if (strtod(p,(char **) NULL) == strtod(q,(char **) NULL))
1140  {
1141  if (suffix == (const char *) NULL)
1142  count=FormatLocaleString(format,length,"%.20g%s",extent,units[0]);
1143  else
1144  count=FormatLocaleString(format,length,"%.20g%s%s",extent,units[0],
1145  suffix);
1146  return(count);
1147  }
1148  for (i=0; (extent >= bytes) && (units[i+1] != (const char *) NULL); i++)
1149  extent/=bytes;
1150  if (suffix == (const char *) NULL)
1151  count=FormatLocaleString(format,length,"%.*g%s",GetMagickPrecision(),
1152  extent,units[i]);
1153  else
1154  count=FormatLocaleString(format,length,"%.*g%s%s",GetMagickPrecision(),
1155  extent,units[i],suffix);
1156  return(count);
1157 }
1158 
1159 /*
1160 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1161 % %
1162 % %
1163 % %
1164 % G e t E n v i r o n m e n t V a l u e %
1165 % %
1166 % %
1167 % %
1168 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1169 %
1170 % GetEnvironmentValue() returns the environment string that matches the
1171 % specified name.
1172 %
1173 % The format of the GetEnvironmentValue method is:
1174 %
1175 % char *GetEnvironmentValue(const char *name)
1176 %
1177 % A description of each parameter follows:
1178 %
1179 % o name: the environment name.
1180 %
1181 */
1182 MagickExport char *GetEnvironmentValue(const char *name)
1183 {
1184  const char
1185  *environment;
1186 
1187  environment=getenv(name);
1188  if (environment == (const char *) NULL)
1189  return((char *) NULL);
1190  return(ConstantString(environment));
1191 }
1192 
1193 /*
1194 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1195 % %
1196 % %
1197 % %
1198 % G e t S t r i n g I n f o D a t u m %
1199 % %
1200 % %
1201 % %
1202 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1203 %
1204 % GetStringInfoDatum() returns the datum associated with the string.
1205 %
1206 % The format of the GetStringInfoDatum method is:
1207 %
1208 % unsigned char *GetStringInfoDatum(const StringInfo *string_info)
1209 %
1210 % A description of each parameter follows:
1211 %
1212 % o string_info: the string info.
1213 %
1214 */
1215 MagickExport unsigned char *GetStringInfoDatum(const StringInfo *string_info)
1216 {
1217  assert(string_info != (StringInfo *) NULL);
1218  assert(string_info->signature == MagickCoreSignature);
1219  return(string_info->datum);
1220 }
1221 
1222 /*
1223 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1224 % %
1225 % %
1226 % %
1227 % G e t S t r i n g I n f o L e n g t h %
1228 % %
1229 % %
1230 % %
1231 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1232 %
1233 % GetStringInfoLength() returns the string length.
1234 %
1235 % The format of the GetStringInfoLength method is:
1236 %
1237 % size_t GetStringInfoLength(const StringInfo *string_info)
1238 %
1239 % A description of each parameter follows:
1240 %
1241 % o string_info: the string info.
1242 %
1243 */
1244 MagickExport size_t GetStringInfoLength(const StringInfo *string_info)
1245 {
1246  assert(string_info != (StringInfo *) NULL);
1247  assert(string_info->signature == MagickCoreSignature);
1248  return(string_info->length);
1249 }
1250 
1251 /*
1252 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1253 % %
1254 % %
1255 % %
1256 % G e t S t r i n g I n f o N a m e %
1257 % %
1258 % %
1259 % %
1260 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1261 %
1262 % GetStringInfoName() returns the name associated with the string.
1263 %
1264 % The format of the GetStringInfoName method is:
1265 %
1266 % const char *GetStringInfoName(const StringInfo *string_info)
1267 %
1268 % A description of each parameter follows:
1269 %
1270 % o string_info: the string info.
1271 %
1272 */
1273 MagickExport const char *GetStringInfoName(const StringInfo *string_info)
1274 {
1275  assert(string_info != (StringInfo *) NULL);
1276  assert(string_info->signature == MagickCoreSignature);
1277  return(string_info->name);
1278 }
1279 
1280 /*
1281 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1282 % %
1283 % %
1284 % %
1285 % G e t S t r i n g I n f o P a t h %
1286 % %
1287 % %
1288 % %
1289 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1290 %
1291 % GetStringInfoPath() returns the path associated with the string.
1292 %
1293 % The format of the GetStringInfoPath method is:
1294 %
1295 % const char *GetStringInfoPath(const StringInfo *string_info)
1296 %
1297 % A description of each parameter follows:
1298 %
1299 % o string_info: the string info.
1300 %
1301 */
1302 MagickExport const char *GetStringInfoPath(const StringInfo *string_info)
1303 {
1304  assert(string_info != (StringInfo *) NULL);
1305  assert(string_info->signature == MagickCoreSignature);
1306  return(string_info->path);
1307 }
1308 
1309 /*
1310 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1311 % %
1312 % %
1313 % %
1314 + I n t e r p r e t S i P r e f i x V a l u e %
1315 % %
1316 % %
1317 % %
1318 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1319 %
1320 % InterpretSiPrefixValue() converts the initial portion of the string to a
1321 % double representation. It also recognizes SI prefixes (e.g. B, KB, MiB,
1322 % etc.).
1323 %
1324 % The format of the InterpretSiPrefixValue method is:
1325 %
1326 % double InterpretSiPrefixValue(const char *value,char **sentinal)
1327 %
1328 % A description of each parameter follows:
1329 %
1330 % o value: the string value.
1331 %
1332 % o sentinal: if sentinal is not NULL, return a pointer to the character
1333 % after the last character used in the conversion.
1334 %
1335 */
1336 MagickExport double InterpretSiPrefixValue(const char *magick_restrict string,
1337  char **magick_restrict sentinal)
1338 {
1339  char
1340  *q;
1341 
1342  double
1343  value;
1344 
1345  value=InterpretLocaleValue(string,&q);
1346  if (q != string)
1347  {
1348  if ((*q >= 'E') && (*q <= 'z'))
1349  {
1350  double
1351  e;
1352 
1353  switch ((int) ((unsigned char) *q))
1354  {
1355  case 'y': e=(-24.0); break;
1356  case 'z': e=(-21.0); break;
1357  case 'a': e=(-18.0); break;
1358  case 'f': e=(-15.0); break;
1359  case 'p': e=(-12.0); break;
1360  case 'n': e=(-9.0); break;
1361  case 'u': e=(-6.0); break;
1362  case 'm': e=(-3.0); break;
1363  case 'c': e=(-2.0); break;
1364  case 'd': e=(-1.0); break;
1365  case 'h': e=2.0; break;
1366  case 'k': e=3.0; break;
1367  case 'K': e=3.0; break;
1368  case 'M': e=6.0; break;
1369  case 'G': e=9.0; break;
1370  case 'T': e=12.0; break;
1371  case 'P': e=15.0; break;
1372  case 'E': e=18.0; break;
1373  case 'Z': e=21.0; break;
1374  case 'Y': e=24.0; break;
1375  default: e=0.0; break;
1376  }
1377  if (e >= MagickEpsilon)
1378  {
1379  if (q[1] == 'i')
1380  {
1381  value*=pow(2.0,e/0.3);
1382  q+=2;
1383  }
1384  else
1385  {
1386  value*=pow(10.0,e);
1387  q++;
1388  }
1389  }
1390  }
1391  if ((*q == 'B') || (*q == 'P'))
1392  q++;
1393  }
1394  if (sentinal != (char **) NULL)
1395  *sentinal=q;
1396  return(value);
1397 }
1398 
1399 /*
1400 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1401 % %
1402 % %
1403 % %
1404 % I s S t r i n g T r u e %
1405 % %
1406 % %
1407 % %
1408 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1409 %
1410 % IsStringTrue() returns MagickTrue if the value is "true", "on", "yes" or
1411 % "1". Any other string or undefined returns MagickFalse.
1412 %
1413 % Typically this is used to look at strings (options or artifacts) which
1414 % has a default value of "false", when not defined.
1415 %
1416 % The format of the IsStringTrue method is:
1417 %
1418 % MagickBooleanType IsStringTrue(const char *value)
1419 %
1420 % A description of each parameter follows:
1421 %
1422 % o value: Specifies a pointer to a character array.
1423 %
1424 */
1425 MagickExport MagickBooleanType IsStringTrue(const char *value)
1426 {
1427  if (value == (const char *) NULL)
1428  return(MagickFalse);
1429  if (LocaleCompare(value,"true") == 0)
1430  return(MagickTrue);
1431  if (LocaleCompare(value,"on") == 0)
1432  return(MagickTrue);
1433  if (LocaleCompare(value,"yes") == 0)
1434  return(MagickTrue);
1435  if (LocaleCompare(value,"1") == 0)
1436  return(MagickTrue);
1437  return(MagickFalse);
1438 }
1439 
1440 /*
1441 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1442 % %
1443 % %
1444 % %
1445 % I s S t r i n g F a l s e %
1446 % %
1447 % %
1448 % %
1449 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1450 %
1451 % IsStringFalse() returns MagickTrue if the value is "false", "off", "no" or
1452 % "0". Any other string or undefined returns MagickFalse.
1453 %
1454 % Typically this is used to look at strings (options or artifacts) which
1455 % has a default value of "true", when it has not been defined.
1456 %
1457 % The format of the IsStringFalse method is:
1458 %
1459 % MagickBooleanType IsStringFalse(const char *value)
1460 %
1461 % A description of each parameter follows:
1462 %
1463 % o value: Specifies a pointer to a character array.
1464 %
1465 */
1466 MagickExport MagickBooleanType IsStringFalse(const char *value)
1467 {
1468  if (value == (const char *) NULL)
1469  return(MagickFalse);
1470  if (LocaleCompare(value,"false") == 0)
1471  return(MagickTrue);
1472  if (LocaleCompare(value,"off") == 0)
1473  return(MagickTrue);
1474  if (LocaleCompare(value,"no") == 0)
1475  return(MagickTrue);
1476  if (LocaleCompare(value,"0") == 0)
1477  return(MagickTrue);
1478  return(MagickFalse);
1479 }
1480 
1481 /*
1482 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1483 % %
1484 % %
1485 % %
1486 % P r i n t S t r i n g I n f o %
1487 % %
1488 % %
1489 % %
1490 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1491 %
1492 % PrintStringInfo() prints the string.
1493 %
1494 % The format of the PrintStringInfo method is:
1495 %
1496 % void PrintStringInfo(FILE *file,const char *id,
1497 % const StringInfo *string_info)
1498 %
1499 % A description of each parameter follows:
1500 %
1501 % o file: the file, typically stdout.
1502 %
1503 % o id: the string id.
1504 %
1505 % o string_info: the string info.
1506 %
1507 */
1508 MagickExport void PrintStringInfo(FILE *file,const char *id,
1509  const StringInfo *string_info)
1510 {
1511  register const char
1512  *p;
1513 
1514  register size_t
1515  i,
1516  j;
1517 
1518  assert(id != (const char *) NULL);
1519  assert(string_info != (StringInfo *) NULL);
1520  assert(string_info->signature == MagickCoreSignature);
1521  p=(char *) string_info->datum;
1522  for (i=0; i < string_info->length; i++)
1523  {
1524  if (((int) ((unsigned char) *p) < 32) &&
1525  (isspace((int) ((unsigned char) *p)) == 0))
1526  break;
1527  p++;
1528  }
1529  (void) FormatLocaleFile(file,"%s(%.20g):\n",id,(double) string_info->length);
1530  if (i == string_info->length)
1531  {
1532  for (i=0; i < string_info->length; i++)
1533  (void) fputc(string_info->datum[i],file);
1534  (void) fputc('\n',file);
1535  return;
1536  }
1537  /*
1538  Convert string to a HEX list.
1539  */
1540  p=(char *) string_info->datum;
1541  for (i=0; i < string_info->length; i+=CharsPerLine)
1542  {
1543  (void) FormatLocaleFile(file,"0x%08lx: ",(unsigned long) (CharsPerLine*i));
1544  for (j=1; j <= MagickMin(string_info->length-i,CharsPerLine); j++)
1545  {
1546  (void) FormatLocaleFile(file,"%02lx",(unsigned long) (*(p+j)) & 0xff);
1547  if ((j % 0x04) == 0)
1548  (void) fputc(' ',file);
1549  }
1550  for ( ; j <= CharsPerLine; j++)
1551  {
1552  (void) fputc(' ',file);
1553  (void) fputc(' ',file);
1554  if ((j % 0x04) == 0)
1555  (void) fputc(' ',file);
1556  }
1557  (void) fputc(' ',file);
1558  for (j=1; j <= MagickMin(string_info->length-i,CharsPerLine); j++)
1559  {
1560  if (isprint((int) ((unsigned char) *p)) != 0)
1561  (void) fputc(*p,file);
1562  else
1563  (void) fputc('-',file);
1564  p++;
1565  }
1566  (void) fputc('\n',file);
1567  }
1568 }
1569 
1570 /*
1571 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1572 % %
1573 % %
1574 % %
1575 % R e s e t S t r i n g I n f o %
1576 % %
1577 % %
1578 % %
1579 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1580 %
1581 % ResetStringInfo() reset the string to all null bytes.
1582 %
1583 % The format of the ResetStringInfo method is:
1584 %
1585 % void ResetStringInfo(StringInfo *string_info)
1586 %
1587 % A description of each parameter follows:
1588 %
1589 % o string_info: the string info.
1590 %
1591 */
1592 MagickExport void ResetStringInfo(StringInfo *string_info)
1593 {
1594  assert(string_info != (StringInfo *) NULL);
1595  assert(string_info->signature == MagickCoreSignature);
1596  (void) memset(string_info->datum,0,string_info->length);
1597 }
1598 
1599 /*
1600 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1601 % %
1602 % %
1603 % %
1604 % S a n t i z e S t r i n g %
1605 % %
1606 % %
1607 % %
1608 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1609 %
1610 % SanitizeString() returns an new string removes all characters except
1611 % letters, digits and !#$%&'*+-=?^_`{|}~@.[].
1612 %
1613 % The returned string shoud be freed using DestoryString().
1614 %
1615 % The format of the SanitizeString method is:
1616 %
1617 % char *SanitizeString(const char *source)
1618 %
1619 % A description of each parameter follows:
1620 %
1621 % o source: A character string.
1622 %
1623 */
1624 MagickExport char *SanitizeString(const char *source)
1625 {
1626  char
1627  *sanitize_source;
1628 
1629  const char
1630  *q;
1631 
1632  register char
1633  *p;
1634 
1635  static char
1636  whitelist[] =
1637  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 "
1638  "$-_.+!*'(),{}|\\^~[]`\"><#%;/?:@&=";
1639 
1640  sanitize_source=AcquireString(source);
1641  p=sanitize_source;
1642  q=sanitize_source+strlen(sanitize_source);
1643  for (p+=strspn(p,whitelist); p != q; p+=strspn(p,whitelist))
1644  *p='_';
1645  return(sanitize_source);
1646 }
1647 
1648 /*
1649 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1650 % %
1651 % %
1652 % %
1653 % S e t S t r i n g I n f o %
1654 % %
1655 % %
1656 % %
1657 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1658 %
1659 % SetStringInfo() copies the source string to the destination string.
1660 %
1661 % The format of the SetStringInfo method is:
1662 %
1663 % void SetStringInfo(StringInfo *string_info,const StringInfo *source)
1664 %
1665 % A description of each parameter follows:
1666 %
1667 % o string_info: the string info.
1668 %
1669 % o source: the source string.
1670 %
1671 */
1672 MagickExport void SetStringInfo(StringInfo *string_info,
1673  const StringInfo *source)
1674 {
1675  assert(string_info != (StringInfo *) NULL);
1676  assert(string_info->signature == MagickCoreSignature);
1677  assert(source != (StringInfo *) NULL);
1678  assert(source->signature == MagickCoreSignature);
1679  if (string_info->length == 0)
1680  return;
1681  (void) memset(string_info->datum,0,string_info->length);
1682  (void) memcpy(string_info->datum,source->datum,MagickMin(string_info->length,
1683  source->length));
1684 }
1685 
1686 /*
1687 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1688 % %
1689 % %
1690 % %
1691 % S e t S t r i n g I n f o D a t u m %
1692 % %
1693 % %
1694 % %
1695 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1696 %
1697 % SetStringInfoDatum() copies bytes from the source string for the length of
1698 % the destination string.
1699 %
1700 % The format of the SetStringInfoDatum method is:
1701 %
1702 % void SetStringInfoDatum(StringInfo *string_info,
1703 % const unsigned char *source)
1704 %
1705 % A description of each parameter follows:
1706 %
1707 % o string_info: the string info.
1708 %
1709 % o source: the source string.
1710 %
1711 */
1712 MagickExport void SetStringInfoDatum(StringInfo *string_info,
1713  const unsigned char *source)
1714 {
1715  assert(string_info != (StringInfo *) NULL);
1716  assert(string_info->signature == MagickCoreSignature);
1717  if (string_info->length != 0)
1718  (void) memcpy(string_info->datum,source,string_info->length);
1719 }
1720 
1721 /*
1722 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1723 % %
1724 % %
1725 % %
1726 % S e t S t r i n g I n f o L e n g t h %
1727 % %
1728 % %
1729 % %
1730 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1731 %
1732 % SetStringInfoLength() set the string length to the specified value.
1733 %
1734 % The format of the SetStringInfoLength method is:
1735 %
1736 % void SetStringInfoLength(StringInfo *string_info,const size_t length)
1737 %
1738 % A description of each parameter follows:
1739 %
1740 % o string_info: the string info.
1741 %
1742 % o length: the string length.
1743 %
1744 */
1745 MagickExport void SetStringInfoLength(StringInfo *string_info,
1746  const size_t length)
1747 {
1748  assert(string_info != (StringInfo *) NULL);
1749  assert(string_info->signature == MagickCoreSignature);
1750  if (string_info->length == length)
1751  return;
1752  if (~length < MagickPathExtent)
1753  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
1754  string_info->length=length;
1755  if (string_info->datum == (unsigned char *) NULL)
1756  string_info->datum=(unsigned char *) AcquireQuantumMemory(length+
1757  MagickPathExtent,sizeof(*string_info->datum));
1758  else
1759  string_info->datum=(unsigned char *) ResizeQuantumMemory(string_info->datum,
1760  length+MagickPathExtent,sizeof(*string_info->datum));
1761  if (string_info->datum == (unsigned char *) NULL)
1762  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
1763 }
1764 
1765 /*
1766 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1767 % %
1768 % %
1769 % %
1770 % S e t S t r i n g I n f o N a m e %
1771 % %
1772 % %
1773 % %
1774 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1775 %
1776 % SetStringInfoName() sets the name associated with the string.
1777 %
1778 % The format of the SetStringInfoName method is:
1779 %
1780 % void SetStringInfoName(StringInfo *string_info,const char *name)
1781 %
1782 % A description of each parameter follows:
1783 %
1784 % o string_info: the string info.
1785 %
1786 % o name: the name.
1787 %
1788 */
1789 MagickExport void SetStringInfoName(StringInfo *string_info,const char *name)
1790 {
1791  assert(string_info != (StringInfo *) NULL);
1792  assert(string_info->signature == MagickCoreSignature);
1793  assert(name != (const char *) NULL);
1794  string_info->name=ConstantString(name);
1795 }
1796 
1797 /*
1798 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1799 % %
1800 % %
1801 % %
1802 % S e t S t r i n g I n f o P a t h %
1803 % %
1804 % %
1805 % %
1806 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1807 %
1808 % SetStringInfoPath() sets the path associated with the string.
1809 %
1810 % The format of the SetStringInfoPath method is:
1811 %
1812 % void SetStringInfoPath(StringInfo *string_info,const char *path)
1813 %
1814 % A description of each parameter follows:
1815 %
1816 % o string_info: the string info.
1817 %
1818 % o path: the path.
1819 %
1820 */
1821 MagickExport void SetStringInfoPath(StringInfo *string_info,const char *path)
1822 {
1823  assert(string_info != (StringInfo *) NULL);
1824  assert(string_info->signature == MagickCoreSignature);
1825  assert(path != (const char *) NULL);
1826  string_info->path=ConstantString(path);
1827 }
1828 
1829 /*
1830 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1831 % %
1832 % %
1833 % %
1834 % S p l i t S t r i n g I n f o %
1835 % %
1836 % %
1837 % %
1838 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1839 %
1840 % SplitStringInfo() splits a string into two and returns it.
1841 %
1842 % The format of the SplitStringInfo method is:
1843 %
1844 % StringInfo *SplitStringInfo(StringInfo *string_info,const size_t offset)
1845 %
1846 % A description of each parameter follows:
1847 %
1848 % o string_info: the string info.
1849 %
1850 */
1851 MagickExport StringInfo *SplitStringInfo(StringInfo *string_info,
1852  const size_t offset)
1853 {
1854  StringInfo
1855  *split_info;
1856 
1857  assert(string_info != (StringInfo *) NULL);
1858  assert(string_info->signature == MagickCoreSignature);
1859  if (offset > string_info->length)
1860  return((StringInfo *) NULL);
1861  split_info=AcquireStringInfo(offset);
1862  SetStringInfo(split_info,string_info);
1863  (void) memmove(string_info->datum,string_info->datum+offset,
1864  string_info->length-offset+MagickPathExtent);
1865  SetStringInfoLength(string_info,string_info->length-offset);
1866  return(split_info);
1867 }
1868 
1869 /*
1870 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1871 % %
1872 % %
1873 % %
1874 % S t r i n g I n f o T o S t r i n g %
1875 % %
1876 % %
1877 % %
1878 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1879 %
1880 % StringInfoToString() converts a string info string to a C string.
1881 %
1882 % The format of the StringInfoToString method is:
1883 %
1884 % char *StringInfoToString(const StringInfo *string_info)
1885 %
1886 % A description of each parameter follows:
1887 %
1888 % o string_info: the string.
1889 %
1890 */
1891 MagickExport char *StringInfoToString(const StringInfo *string_info)
1892 {
1893  char
1894  *string;
1895 
1896  size_t
1897  length;
1898 
1899  string=(char *) NULL;
1900  length=string_info->length;
1901  if (~length >= (MagickPathExtent-1))
1902  string=(char *) AcquireQuantumMemory(length+MagickPathExtent,
1903  sizeof(*string));
1904  if (string == (char *) NULL)
1905  return((char *) NULL);
1906  (void) memcpy(string,(char *) string_info->datum,length*sizeof(*string));
1907  string[length]='\0';
1908  return(string);
1909 }
1910 
1911 /*
1912 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1913 % %
1914 % %
1915 % %
1916 % S t r i n g I n f o T o H e x S t r i n g %
1917 % %
1918 % %
1919 % %
1920 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1921 %
1922 % StringInfoToHexString() converts a string info string to a C string.
1923 %
1924 % The format of the StringInfoToHexString method is:
1925 %
1926 % char *StringInfoToHexString(const StringInfo *string_info)
1927 %
1928 % A description of each parameter follows:
1929 %
1930 % o string_info: the string.
1931 %
1932 */
1933 MagickExport char *StringInfoToHexString(const StringInfo *string_info)
1934 {
1935  char
1936  *string;
1937 
1938  register const unsigned char
1939  *p;
1940 
1941  register ssize_t
1942  i;
1943 
1944  register unsigned char
1945  *q;
1946 
1947  size_t
1948  length;
1949 
1950  unsigned char
1951  hex_digits[16];
1952 
1953  length=string_info->length;
1954  if (~length < MagickPathExtent)
1955  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
1956  string=(char *) AcquireQuantumMemory(length+MagickPathExtent,2*
1957  sizeof(*string));
1958  if (string == (char *) NULL)
1959  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
1960  hex_digits[0]='0';
1961  hex_digits[1]='1';
1962  hex_digits[2]='2';
1963  hex_digits[3]='3';
1964  hex_digits[4]='4';
1965  hex_digits[5]='5';
1966  hex_digits[6]='6';
1967  hex_digits[7]='7';
1968  hex_digits[8]='8';
1969  hex_digits[9]='9';
1970  hex_digits[10]='a';
1971  hex_digits[11]='b';
1972  hex_digits[12]='c';
1973  hex_digits[13]='d';
1974  hex_digits[14]='e';
1975  hex_digits[15]='f';
1976  p=string_info->datum;
1977  q=(unsigned char *) string;
1978  for (i=0; i < (ssize_t) string_info->length; i++)
1979  {
1980  *q++=hex_digits[(*p >> 4) & 0x0f];
1981  *q++=hex_digits[*p & 0x0f];
1982  p++;
1983  }
1984  *q='\0';
1985  return(string);
1986 }
1987 
1988 /*
1989 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1990 % %
1991 % %
1992 % %
1993 % S t r i n g T o A r g v %
1994 % %
1995 % %
1996 % %
1997 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1998 %
1999 % StringToArgv() converts a text string into command line arguments.
2000 % The 'argv' array of arguments, is returned while the number of arguments
2001 % is returned via the provided integer variable pointer.
2002 %
2003 % Simple 'word' tokenizer, which allows for each word to be optionally
2004 % quoted. However it will not allow use of partial quotes, or escape
2005 % characters.
2006 %
2007 % The format of the StringToArgv method is:
2008 %
2009 % char **StringToArgv(const char *text,int *argc)
2010 %
2011 % A description of each parameter follows:
2012 %
2013 % o argv: Method StringToArgv returns the string list unless an error
2014 % occurs, otherwise NULL.
2015 %
2016 % o text: Specifies the string to segment into a list.
2017 %
2018 % o argc: This integer pointer returns the number of arguments in the
2019 % list.
2020 %
2021 */
2022 MagickExport char **StringToArgv(const char *text,int *argc)
2023 {
2024  char
2025  **argv;
2026 
2027  register const char
2028  *p,
2029  *q;
2030 
2031  register ssize_t
2032  i;
2033 
2034  *argc=0;
2035  if (text == (char *) NULL)
2036  return((char **) NULL);
2037  /*
2038  Determine the number of arguments.
2039  */
2040  for (p=text; *p != '\0'; )
2041  {
2042  while (isspace((int) ((unsigned char) *p)) != 0)
2043  p++;
2044  if (*p == '\0')
2045  break;
2046  (*argc)++;
2047  if (*p == '"')
2048  for (p++; (*p != '"') && (*p != '\0'); p++) ;
2049  if (*p == '\'')
2050  for (p++; (*p != '\'') && (*p != '\0'); p++) ;
2051  while ((isspace((int) ((unsigned char) *p)) == 0) && (*p != '\0'))
2052  p++;
2053  }
2054  (*argc)++;
2055  argv=(char **) AcquireQuantumMemory((size_t) (*argc+1UL),sizeof(*argv));
2056  if (argv == (char **) NULL)
2057  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertStringToARGV");
2058  /*
2059  Convert string to an ASCII list.
2060  */
2061  argv[0]=AcquireString("magick");
2062  p=text;
2063  for (i=1; i < (ssize_t) *argc; i++)
2064  {
2065  while (isspace((int) ((unsigned char) *p)) != 0)
2066  p++;
2067  q=p;
2068  if (*q == '"')
2069  {
2070  p++;
2071  for (q++; (*q != '"') && (*q != '\0'); q++) ;
2072  }
2073  else
2074  if (*q == '\'')
2075  {
2076  p++;
2077  for (q++; (*q != '\'') && (*q != '\0'); q++) ;
2078  }
2079  else
2080  while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0'))
2081  q++;
2082  argv[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+MagickPathExtent,
2083  sizeof(**argv));
2084  if (argv[i] == (char *) NULL)
2085  {
2086  for (i--; i >= 0; i--)
2087  argv[i]=DestroyString(argv[i]);
2088  argv=(char **) RelinquishMagickMemory(argv);
2089  ThrowFatalException(ResourceLimitFatalError,
2090  "UnableToConvertStringToARGV");
2091  }
2092  (void) memcpy(argv[i],p,(size_t) (q-p));
2093  argv[i][q-p]='\0';
2094  p=q;
2095  while ((isspace((int) ((unsigned char) *p)) == 0) && (*p != '\0'))
2096  p++;
2097  }
2098  argv[i]=(char *) NULL;
2099  return(argv);
2100 }
2101 
2102 /*
2103 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2104 % %
2105 % %
2106 % %
2107 % S t r i n g T o A r r a y O f D o u b l e s %
2108 % %
2109 % %
2110 % %
2111 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2112 %
2113 % StringToArrayOfDoubles() converts a string of space or comma separated
2114 % numbers into array of floating point numbers (doubles). Any number that
2115 % failes to parse properly will produce a syntax error. As will two commas
2116 % without a number between them. However a final comma at the end will
2117 % not be regarded as an error so as to simplify automatic list generation.
2118 %
2119 % A NULL value is returned on syntax or memory errors.
2120 %
2121 % Use RelinquishMagickMemory() to free returned array when finished.
2122 %
2123 % The format of the StringToArrayOfDoubles method is:
2124 %
2125 % double *StringToArrayOfDoubles(const char *string,size_t *count,
2126 % ExceptionInfo *exception)
2127 %
2128 % A description of each parameter follows:
2129 %
2130 % o string: the string containing the comma/space separated values.
2131 %
2132 % o count: returns number of arguments in returned array
2133 %
2134 % o exception: return any errors or warnings in this structure.
2135 %
2136 */
2137 MagickExport double *StringToArrayOfDoubles(const char *string,ssize_t *count,
2138  ExceptionInfo *exception)
2139 {
2140  char
2141  *q;
2142 
2143  const char
2144  *p;
2145 
2146  double
2147  *array;
2148 
2149  register ssize_t
2150  i;
2151 
2152  /*
2153  Determine count of values, and check syntax.
2154  */
2155  assert(exception != (ExceptionInfo *) NULL);
2156  assert(exception->signature == MagickCoreSignature);
2157  *count=0;
2158  if (string == (char *) NULL)
2159  return((double *) NULL); /* no value found */
2160  i=0;
2161  p=string;
2162  while (*p != '\0')
2163  {
2164  (void) StringToDouble(p,&q); /* get value - ignores leading space */
2165  if (p == q)
2166  return((double *) NULL); /* no value found */
2167  p=q;
2168  i++; /* increment value count */
2169  while (isspace((int) ((unsigned char) *p)) != 0)
2170  p++; /* skip spaces */
2171  if (*p == ',')
2172  p++; /* skip comma */
2173  while (isspace((int) ((unsigned char) *p)) != 0)
2174  p++; /* and more spaces */
2175  }
2176  /*
2177  Allocate floating point argument list.
2178  */
2179  *count=i;
2180  array=(double *) AcquireQuantumMemory((size_t) i,sizeof(*array));
2181  if (array == (double *) NULL)
2182  {
2183  (void) ThrowMagickException(exception,GetMagickModule(),
2184  ResourceLimitError,"MemoryAllocationFailed","`%s'","");
2185  return((double *) NULL);
2186  }
2187  /*
2188  Fill in the floating point values.
2189  */
2190  i=0;
2191  p=string;
2192  while ((*p != '\0') && (i < *count))
2193  {
2194  array[i++]=StringToDouble(p,&q);
2195  p=q;
2196  while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
2197  p++;
2198  }
2199  return(array);
2200 }
2201 
2202 /*
2203 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2204 % %
2205 % %
2206 % %
2207 + S t r i n g T o k e n %
2208 % %
2209 % %
2210 % %
2211 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2212 %
2213 % StringToken() looks for any one of given delimiters and splits the string
2214 % into two separate strings by replacing the delimiter character found with a
2215 % nul character.
2216 %
2217 % The given string pointer is changed to point to the string following the
2218 % delimiter character found, or NULL. A pointer to the start of the
2219 % string is returned, representing the token before the delimiter.
2220 %
2221 % In may ways this is equivent to the strtok() C library function, but with
2222 % multiple delimiter characters rather than a delimiter string.
2223 %
2224 % The format of the StringToken method is:
2225 %
2226 % char *StringToken(const char *delimiters,char **string)
2227 %
2228 % A description of each parameter follows:
2229 %
2230 % o delimiters: one or more delimiters.
2231 %
2232 % o string: return the first token in the string. If none is found, return
2233 % NULL.
2234 %
2235 */
2236 MagickExport char *StringToken(const char *delimiters,char **string)
2237 {
2238  char
2239  *q;
2240 
2241  register char
2242  *p;
2243 
2244  register const char
2245  *r;
2246 
2247  register int
2248  c,
2249  d;
2250 
2251  p=(*string);
2252  if (p == (char *) NULL)
2253  return((char *) NULL);
2254  q=p;
2255  for ( ; ; )
2256  {
2257  c=(*p++);
2258  r=delimiters;
2259  do
2260  {
2261  d=(*r++);
2262  if (c == d)
2263  {
2264  if (c == '\0')
2265  p=(char *) NULL;
2266  else
2267  p[-1]='\0';
2268  *string=p;
2269  return(q);
2270  }
2271  } while (d != '\0');
2272  }
2273 }
2274 
2275 /*
2276 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2277 % %
2278 % %
2279 % %
2280 % S t r i n g T o L i s t %
2281 % %
2282 % %
2283 % %
2284 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2285 %
2286 % StringToList() converts a text string into a list by segmenting the text
2287 % string at each carriage return discovered. The list is converted to HEX
2288 % characters if any control characters are discovered within the text string.
2289 %
2290 % The format of the StringToList method is:
2291 %
2292 % char **StringToList(const char *text)
2293 %
2294 % A description of each parameter follows:
2295 %
2296 % o text: Specifies the string to segment into a list.
2297 %
2298 */
2299 MagickExport char **StringToList(const char *text)
2300 {
2301  return(StringToStrings(text, (size_t *) NULL));
2302 }
2303 
2304 /*
2305 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2306 % %
2307 % %
2308 % %
2309 % S t r i n g T o S t r i n g s %
2310 % %
2311 % %
2312 % %
2313 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2314 %
2315 % StringToList() converts a text string into a list by segmenting the text
2316 % string at each carriage return discovered. The list is converted to HEX
2317 % characters if any control characters are discovered within the text string.
2318 %
2319 % The format of the StringToList method is:
2320 %
2321 % char **StringToList(const char *text,size_t *lines)
2322 %
2323 % A description of each parameter follows:
2324 %
2325 % o text: Specifies the string to segment into a list.
2326 %
2327 % o count: Return value for the number of items in the list.
2328 %
2329 */
2330 MagickExport char **StringToStrings(const char *text,size_t *count)
2331 {
2332  char
2333  **textlist;
2334 
2335  register const char
2336  *p;
2337 
2338  register ssize_t
2339  i;
2340 
2341  size_t
2342  lines;
2343 
2344  if (text == (char *) NULL)
2345  {
2346  if (count != (size_t *) NULL)
2347  *count=0;
2348  return((char **) NULL);
2349  }
2350  for (p=text; *p != '\0'; p++)
2351  if (((int) ((unsigned char) *p) < 32) &&
2352  (isspace((int) ((unsigned char) *p)) == 0))
2353  break;
2354  if (*p == '\0')
2355  {
2356  register const char
2357  *q;
2358 
2359  /*
2360  Convert string to an ASCII list.
2361  */
2362  lines=1;
2363  for (p=text; *p != '\0'; p++)
2364  if (*p == '\n')
2365  lines++;
2366  textlist=(char **) AcquireQuantumMemory((size_t) lines+1UL,
2367  sizeof(*textlist));
2368  if (textlist == (char **) NULL)
2369  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2370  p=text;
2371  for (i=0; i < (ssize_t) lines; i++)
2372  {
2373  for (q=p; *q != '\0'; q++)
2374  if ((*q == '\r') || (*q == '\n'))
2375  break;
2376  textlist[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+1,
2377  sizeof(**textlist));
2378  if (textlist[i] == (char *) NULL)
2379  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2380  (void) memcpy(textlist[i],p,(size_t) (q-p));
2381  textlist[i][q-p]='\0';
2382  if (*q == '\r')
2383  q++;
2384  p=q+1;
2385  }
2386  }
2387  else
2388  {
2389  char
2390  hex_string[MagickPathExtent];
2391 
2392  register char
2393  *q;
2394 
2395  register ssize_t
2396  j;
2397 
2398  /*
2399  Convert string to a HEX list.
2400  */
2401  lines=(size_t) (strlen(text)/CharsPerLine)+1;
2402  textlist=(char **) AcquireQuantumMemory((size_t) lines+1UL,
2403  sizeof(*textlist));
2404  if (textlist == (char **) NULL)
2405  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2406  p=text;
2407  for (i=0; i < (ssize_t) lines; i++)
2408  {
2409  textlist[i]=(char *) AcquireQuantumMemory(2UL*MagickPathExtent,
2410  sizeof(**textlist));
2411  if (textlist[i] == (char *) NULL)
2412  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2413  (void) FormatLocaleString(textlist[i],MagickPathExtent,"0x%08lx: ",
2414  (long) (CharsPerLine*i));
2415  q=textlist[i]+strlen(textlist[i]);
2416  for (j=1; j <= (ssize_t) MagickMin(strlen(p),CharsPerLine); j++)
2417  {
2418  (void) FormatLocaleString(hex_string,MagickPathExtent,"%02x",*(p+j));
2419  (void) CopyMagickString(q,hex_string,MagickPathExtent);
2420  q+=2;
2421  if ((j % 0x04) == 0)
2422  *q++=' ';
2423  }
2424  for ( ; j <= CharsPerLine; j++)
2425  {
2426  *q++=' ';
2427  *q++=' ';
2428  if ((j % 0x04) == 0)
2429  *q++=' ';
2430  }
2431  *q++=' ';
2432  for (j=1; j <= (ssize_t) MagickMin(strlen(p),CharsPerLine); j++)
2433  {
2434  if (isprint((int) ((unsigned char) *p)) != 0)
2435  *q++=(*p);
2436  else
2437  *q++='-';
2438  p++;
2439  }
2440  *q='\0';
2441  textlist[i]=(char *) ResizeQuantumMemory(textlist[i],q-textlist[i]+1,
2442  sizeof(**textlist));
2443  if (textlist[i] == (char *) NULL)
2444  ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText");
2445  }
2446  }
2447  if (count != (size_t *) NULL)
2448  *count=lines;
2449  textlist[i]=(char *) NULL;
2450  return(textlist);
2451 }
2452 
2453 /*
2454 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2455 % %
2456 % %
2457 % %
2458 % S t r i n g T o S t r i n g I n f o %
2459 % %
2460 % %
2461 % %
2462 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2463 %
2464 % StringToStringInfo() converts a string to a StringInfo type.
2465 %
2466 % The format of the StringToStringInfo method is:
2467 %
2468 % StringInfo *StringToStringInfo(const char *string)
2469 %
2470 % A description of each parameter follows:
2471 %
2472 % o string: The string.
2473 %
2474 */
2475 MagickExport StringInfo *StringToStringInfo(const char *string)
2476 {
2477  StringInfo
2478  *string_info;
2479 
2480  assert(string != (const char *) NULL);
2481  string_info=AcquireStringInfo(strlen(string));
2482  SetStringInfoDatum(string_info,(const unsigned char *) string);
2483  return(string_info);
2484 }
2485 
2486 /*
2487 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2488 % %
2489 % %
2490 % %
2491 % S t r i p S t r i n g %
2492 % %
2493 % %
2494 % %
2495 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2496 %
2497 % StripString() strips any whitespace or quotes from the beginning and end of
2498 % a string of characters.
2499 %
2500 % The format of the StripString method is:
2501 %
2502 % void StripString(char *message)
2503 %
2504 % A description of each parameter follows:
2505 %
2506 % o message: Specifies an array of characters.
2507 %
2508 */
2509 MagickExport void StripString(char *message)
2510 {
2511  register char
2512  *p,
2513  *q;
2514 
2515  size_t
2516  length;
2517 
2518  assert(message != (char *) NULL);
2519  if (*message == '\0')
2520  return;
2521  length=strlen(message);
2522  p=message;
2523  while (isspace((int) ((unsigned char) *p)) != 0)
2524  p++;
2525  if ((*p == '\'') || (*p == '"'))
2526  p++;
2527  q=message+length-1;
2528  while ((isspace((int) ((unsigned char) *q)) != 0) && (q > p))
2529  q--;
2530  if (q > p)
2531  if ((*q == '\'') || (*q == '"'))
2532  q--;
2533  (void) memmove(message,p,(size_t) (q-p+1));
2534  message[q-p+1]='\0';
2535  for (p=message; *p != '\0'; p++)
2536  if (*p == '\n')
2537  *p=' ';
2538 }
2539 
2540 /*
2541 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2542 % %
2543 % %
2544 % %
2545 % S u b s t i t u t e S t r i n g %
2546 % %
2547 % %
2548 % %
2549 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2550 %
2551 % SubstituteString() performs string substitution on a string, replacing the
2552 % string with the substituted version. Buffer must be allocated from the heap.
2553 % If the string is matched and status, MagickTrue is returned otherwise
2554 % MagickFalse.
2555 %
2556 % The format of the SubstituteString method is:
2557 %
2558 % MagickBooleanType SubstituteString(char **string,const char *search,
2559 % const char *replace)
2560 %
2561 % A description of each parameter follows:
2562 %
2563 % o string: the string to perform replacements on; replaced with new
2564 % allocation if a replacement is made.
2565 %
2566 % o search: search for this string.
2567 %
2568 % o replace: replace any matches with this string.
2569 %
2570 */
2571 MagickExport MagickBooleanType SubstituteString(char **string,
2572  const char *search,const char *replace)
2573 {
2574  MagickBooleanType
2575  status;
2576 
2577  register char
2578  *p;
2579 
2580  size_t
2581  extent,
2582  replace_extent,
2583  search_extent;
2584 
2585  ssize_t
2586  offset;
2587 
2588  status=MagickFalse;
2589  search_extent=0,
2590  replace_extent=0;
2591  for (p=strchr(*string,*search); p != (char *) NULL; p=strchr(p+1,*search))
2592  {
2593  if (search_extent == 0)
2594  search_extent=strlen(search);
2595  if (strncmp(p,search,search_extent) != 0)
2596  continue;
2597  /*
2598  We found a match.
2599  */
2600  status=MagickTrue;
2601  if (replace_extent == 0)
2602  replace_extent=strlen(replace);
2603  if (replace_extent > search_extent)
2604  {
2605  /*
2606  Make room for the replacement string.
2607  */
2608  offset=(ssize_t) (p-(*string));
2609  extent=strlen(*string)+replace_extent-search_extent+1;
2610  *string=(char *) ResizeQuantumMemory(*string,extent+MagickPathExtent,
2611  sizeof(*p));
2612  if (*string == (char *) NULL)
2613  ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
2614  p=(*string)+offset;
2615  }
2616  /*
2617  Replace string.
2618  */
2619  if (search_extent != replace_extent)
2620  (void) memmove(p+replace_extent,p+search_extent,
2621  strlen(p+search_extent)+1);
2622  (void) memcpy(p,replace,replace_extent);
2623  p+=replace_extent-1;
2624  }
2625  return(status);
2626 }
magick_restrict
#define magick_restrict
Definition: MagickCore.h:41
InterpretSiPrefixValue
MagickExport double InterpretSiPrefixValue(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: string.c:1336
FormatMagickSize
MagickExport ssize_t FormatMagickSize(const MagickSizeType size, const MagickBooleanType bi, const char *suffix, const size_t length, char *format)
Definition: string.c:1093
ReadMode
Definition: blob.h:29
IsStringFalse
MagickExport MagickBooleanType IsStringFalse(const char *value)
Definition: string.c:1466
CompareStringInfo
MagickExport int CompareStringInfo(const StringInfo *target, const StringInfo *source)
Definition: string.c:378
AsciiMap
static const unsigned char AsciiMap[]
Definition: string.c:74
StringToStringInfo
MagickExport StringInfo * StringToStringInfo(const char *string)
Definition: string.c:2475
SetStringInfoPath
MagickExport void SetStringInfoPath(StringInfo *string_info, const char *path)
Definition: string.c:1821
AcquireStringInfoContainer
static StringInfo * AcquireStringInfoContainer()
Definition: string.c:176
resource_.h
_StreamInfo::map
char * map
Definition: stream.c:84
ThrowFatalException
#define ThrowFatalException(severity, tag)
Definition: exception-private.h:35
_ExceptionInfo::signature
size_t signature
Definition: exception.h:123
_ExceptionInfo
Definition: exception.h:101
_StringInfo::datum
unsigned char * datum
Definition: string_.h:33
EscapeString
MagickExport char * EscapeString(const char *source, const char escape)
Definition: string.c:929
ConcatenateMagickString
MagickExport size_t ConcatenateMagickString(char *destination, const char *source, const size_t length)
Definition: string.c:426
StringToDouble
static double StringToDouble(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: string-private.h:42
SanitizeString
MagickExport char * SanitizeString(const char *source)
Definition: string.c:1624
ConcatenateStringInfo
MagickExport void ConcatenateStringInfo(StringInfo *string_info, const StringInfo *source)
Definition: string.c:552
FormatLocaleString
MagickExport ssize_t FormatLocaleString(char *magick_restrict string, const size_t length, const char *magick_restrict format,...)
Definition: locale.c:499
AcquireCriticalMemory
static void * AcquireCriticalMemory(const size_t size)
Definition: memory-private.h:56
MagickEpsilon
#define MagickEpsilon
Definition: magick-type.h:110
ResizeQuantumMemory
MagickExport void * ResizeQuantumMemory(void *memory, const size_t count, const size_t quantum)
Definition: memory.c:1354
O_BINARY
#define O_BINARY
Definition: studio.h:325
StripString
MagickExport void StripString(char *message)
Definition: string.c:2509
TraceEvent
Definition: log.h:52
FileToString
MagickExport char * FileToString(const char *filename, const size_t extent, ExceptionInfo *exception)
Definition: string.c:1000
MagickOffsetType
ssize_t MagickOffsetType
Definition: magick-type.h:129
_StringInfo
Definition: string_.h:27
string_.h
MagickCoreSignature
#define MagickCoreSignature
Definition: method-attribute.h:86
GetStringInfoDatum
MagickExport unsigned char * GetStringInfoDatum(const StringInfo *string_info)
Definition: string.c:1215
FormatLocaleFile
MagickExport ssize_t FormatLocaleFile(FILE *file, const char *magick_restrict format,...)
Definition: locale.c:404
MagickBooleanType
MagickBooleanType
Definition: magick-type.h:158
StringToList
MagickExport char ** StringToList(const char *text)
Definition: string.c:2299
AcquireString
MagickExport char * AcquireString(const char *source)
Definition: string.c:129
FileToBlob
MagickExport void * FileToBlob(const char *filename, const size_t extent, size_t *length, ExceptionInfo *exception)
Definition: blob.c:1353
FileToStringInfo
MagickExport StringInfo * FileToStringInfo(const char *filename, const size_t extent, ExceptionInfo *exception)
Definition: string.c:1039
DestroyStringInfo
MagickExport StringInfo * DestroyStringInfo(StringInfo *string_info)
Definition: string.c:850
ResetStringInfo
MagickExport void ResetStringInfo(StringInfo *string_info)
Definition: string.c:1592
AcquireQuantumMemory
MagickExport void * AcquireQuantumMemory(const size_t count, const size_t quantum)
Definition: memory.c:543
ConcatenateString
MagickExport MagickBooleanType ConcatenateString(char **destination, const char *source)
Definition: string.c:492
MagickSizeType
size_t MagickSizeType
Definition: magick-type.h:130
MagickPathExtent
#define MagickPathExtent
Definition: method-attribute.h:88
PrintStringInfo
MagickExport void PrintStringInfo(FILE *file, const char *id, const StringInfo *string_info)
Definition: string.c:1508
IsStringTrue
MagickExport MagickBooleanType IsStringTrue(const char *value)
Definition: string.c:1425
GetMagickPrecision
MagickExport int GetMagickPrecision(void)
Definition: magick.c:886
memory_.h
BlobToStringInfo
MagickExport StringInfo * BlobToStringInfo(const void *blob, const size_t length)
Definition: string.c:229
ThrowMagickException
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
LogMagickEvent
MagickExport MagickBooleanType LogMagickEvent(const LogEventType type, const char *module, const char *function, const size_t line, const char *format,...)
Definition: log.c:1397
open_utf8
static int open_utf8(const char *path, int flags, mode_t mode)
Definition: utility-private.h:178
_StreamInfo::exception
ExceptionInfo * exception
Definition: stream.c:99
StringToArrayOfDoubles
MagickExport double * StringToArrayOfDoubles(const char *string, ssize_t *count, ExceptionInfo *exception)
Definition: string.c:2137
SubstituteString
MagickExport MagickBooleanType SubstituteString(char **string, const char *search, const char *replace)
Definition: string.c:2571
GetEnvironmentValue
MagickExport char * GetEnvironmentValue(const char *name)
Definition: string.c:1182
ConfigureFileToStringInfo
MagickExport StringInfo * ConfigureFileToStringInfo(const char *filename)
Definition: string.c:592
CopyMagickString
MagickExport size_t CopyMagickString(char *destination, const char *source, const size_t length)
Definition: string.c:755
AcquireStringInfo
MagickExport StringInfo * AcquireStringInfo(const size_t length)
Definition: string.c:187
LocaleCompare
MagickExport int LocaleCompare(const char *p, const char *q)
Definition: locale.c:1435
GetMagickModule
#define GetMagickModule()
Definition: log.h:28
GetStringInfoPath
MagickExport const char * GetStringInfoPath(const StringInfo *string_info)
Definition: string.c:1302
SetStringInfoName
MagickExport void SetStringInfoName(StringInfo *string_info, const char *name)
Definition: string.c:1789
StringToken
MagickExport char * StringToken(const char *delimiters, char **string)
Definition: string.c:2236
SetStringInfoLength
MagickExport void SetStringInfoLength(StringInfo *string_info, const size_t length)
Definition: string.c:1745
DestroyString
MagickExport char * DestroyString(char *string)
Definition: string.c:823
_StringInfo::name
char * name
Definition: string_.h:40
DestroyStringList
MagickExport char ** DestroyStringList(char **list)
Definition: string.c:888
MagickMin
#define MagickMin(x, y)
Definition: image-private.h:27
_StringInfo::path
char * path
Definition: string_.h:30
RelinquishMagickMemory
MagickExport void * RelinquishMagickMemory(void *memory)
Definition: memory.c:1069
UnmapBlob
MagickExport MagickBooleanType UnmapBlob(void *, const size_t)
Definition: blob.c:5493
_StringInfo::signature
size_t signature
Definition: string_.h:36
CloneString
MagickExport char * CloneString(char **destination, const char *source)
Definition: string.c:286
StringToStrings
MagickExport char ** StringToStrings(const char *text, size_t *count)
Definition: string.c:2330
CharsPerLine
#define CharsPerLine
Definition: string.c:64
_StringInfo::length
size_t length
Definition: string_.h:36
MagickExport
#define MagickExport
Definition: method-attribute.h:80
SplitStringInfo
MagickExport StringInfo * SplitStringInfo(StringInfo *string_info, const size_t offset)
Definition: string.c:1851
StringInfoToString
MagickExport char * StringInfoToString(const StringInfo *string_info)
Definition: string.c:1891
StringInfoToHexString
MagickExport char * StringInfoToHexString(const StringInfo *string_info)
Definition: string.c:1933
StringToArgv
MagickExport char ** StringToArgv(const char *text, int *argc)
Definition: string.c:2022
GetStringInfoLength
MagickExport size_t GetStringInfoLength(const StringInfo *string_info)
Definition: string.c:1244
GetStringInfoName
MagickExport const char * GetStringInfoName(const StringInfo *string_info)
Definition: string.c:1273
ConstantString
MagickExport char * ConstantString(const char *source)
Definition: string.c:700
CloneStringInfo
MagickExport StringInfo * CloneStringInfo(const StringInfo *string_info)
Definition: string.c:338
SetStringInfoDatum
MagickExport void SetStringInfoDatum(StringInfo *string_info, const unsigned char *source)
Definition: string.c:1712
locale_.h
MapBlob
MagickExport void * MapBlob(int, const MapMode, const MagickOffsetType, const size_t)
SetStringInfo
MagickExport void SetStringInfo(StringInfo *string_info, const StringInfo *source)
Definition: string.c:1672
InterpretLocaleValue
MagickExport double InterpretLocaleValue(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: locale.c:1003