cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 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 | % John Cristy % |
| 17 | % August 2003 % |
| 18 | % % |
| 19 | % % |
cristy | 7e41fe8 | 2010-12-04 23:12:08 +0000 | [diff] [blame] | 20 | % Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 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 | % http://www.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 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 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/list.h" |
| 48 | #include "MagickCore/locale_.h" |
| 49 | #include "MagickCore/log.h" |
| 50 | #include "MagickCore/memory_.h" |
| 51 | #include "MagickCore/property.h" |
| 52 | #include "MagickCore/resource_.h" |
| 53 | #include "MagickCore/signature-private.h" |
| 54 | #include "MagickCore/string_.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 55 | |
| 56 | /* |
| 57 | Static declarations. |
| 58 | */ |
| 59 | #if !defined(MAGICKCORE_HAVE_STRCASECMP) || !defined(MAGICKCORE_HAVE_STRNCASECMP) |
| 60 | static const unsigned char |
| 61 | AsciiMap[] = |
| 62 | { |
| 63 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, |
| 64 | 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 65 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
| 66 | 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 67 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, |
| 68 | 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 69 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, |
| 70 | 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 71 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, |
| 72 | 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 73 | 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, |
| 74 | 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
| 75 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, |
| 76 | 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 77 | 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, |
| 78 | 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
| 79 | 0xc0, 0xe1, 0xe2, 0xe3, 0xe4, 0xc5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, |
| 80 | 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 81 | 0xf8, 0xf9, 0xfa, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, |
| 82 | 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
| 83 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, |
| 84 | 0xfc, 0xfd, 0xfe, 0xff, |
| 85 | }; |
| 86 | #endif |
| 87 | |
| 88 | /* |
| 89 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 90 | % % |
| 91 | % % |
| 92 | % % |
| 93 | % A c q u i r e S t r i n g % |
| 94 | % % |
| 95 | % % |
| 96 | % % |
| 97 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 98 | % |
| 99 | % AcquireString() allocates memory for a string and copies the source string |
| 100 | % to that memory location (and returns it). |
| 101 | % |
| 102 | % The format of the AcquireString method is: |
| 103 | % |
| 104 | % char *AcquireString(const char *source) |
| 105 | % |
| 106 | % A description of each parameter follows: |
| 107 | % |
| 108 | % o source: A character string. |
| 109 | % |
| 110 | */ |
| 111 | MagickExport char *AcquireString(const char *source) |
| 112 | { |
| 113 | char |
| 114 | *destination; |
| 115 | |
| 116 | size_t |
| 117 | length; |
| 118 | |
| 119 | length=0; |
| 120 | if (source != (char *) NULL) |
| 121 | length+=strlen(source); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 122 | if (~length < MaxTextExtent) |
| 123 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
| 124 | destination=(char *) AcquireQuantumMemory(length+MaxTextExtent, |
| 125 | sizeof(*destination)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 126 | if (destination == (char *) NULL) |
| 127 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
| 128 | *destination='\0'; |
| 129 | if (source != (char *) NULL) |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 130 | (void) memcpy(destination,source,length*sizeof(*destination)); |
| 131 | destination[length]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 132 | return(destination); |
| 133 | } |
| 134 | |
| 135 | /* |
| 136 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 137 | % % |
| 138 | % % |
| 139 | % % |
| 140 | % A c q u i r e S t r i n g I n f o % |
| 141 | % % |
| 142 | % % |
| 143 | % % |
| 144 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 145 | % |
| 146 | % AcquireStringInfo() allocates the StringInfo structure. |
| 147 | % |
| 148 | % The format of the AcquireStringInfo method is: |
| 149 | % |
| 150 | % StringInfo *AcquireStringInfo(const size_t length) |
| 151 | % |
| 152 | % A description of each parameter follows: |
| 153 | % |
| 154 | % o length: the string length. |
| 155 | % |
| 156 | */ |
| 157 | MagickExport StringInfo *AcquireStringInfo(const size_t length) |
| 158 | { |
| 159 | StringInfo |
| 160 | *string_info; |
| 161 | |
cristy | 73bd4a5 | 2010-10-05 11:24:23 +0000 | [diff] [blame] | 162 | string_info=(StringInfo *) AcquireMagickMemory(sizeof(*string_info)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 163 | if (string_info == (StringInfo *) NULL) |
| 164 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 165 | (void) ResetMagickMemory(string_info,0,sizeof(*string_info)); |
| 166 | string_info->signature=MagickSignature; |
| 167 | string_info->length=length; |
| 168 | if (string_info->length != 0) |
| 169 | { |
| 170 | string_info->datum=(unsigned char *) NULL; |
cristy | 37e0b38 | 2011-06-07 13:31:21 +0000 | [diff] [blame] | 171 | if (~string_info->length >= (MaxTextExtent-1)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 172 | string_info->datum=(unsigned char *) AcquireQuantumMemory( |
| 173 | string_info->length+MaxTextExtent,sizeof(*string_info->datum)); |
| 174 | if (string_info->datum == (unsigned char *) NULL) |
| 175 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 176 | } |
| 177 | return(string_info); |
| 178 | } |
| 179 | |
| 180 | /* |
| 181 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 182 | % % |
| 183 | % % |
| 184 | % % |
| 185 | % C l o n e S t r i n g % |
| 186 | % % |
| 187 | % % |
| 188 | % % |
| 189 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 190 | % |
| 191 | % CloneString() allocates memory for the destination string and copies |
| 192 | % the source string to that memory location. |
| 193 | % |
| 194 | % The format of the CloneString method is: |
| 195 | % |
| 196 | % char *CloneString(char **destination,const char *source) |
| 197 | % |
| 198 | % A description of each parameter follows: |
| 199 | % |
| 200 | % o destination: A pointer to a character string. |
| 201 | % |
| 202 | % o source: A character string. |
| 203 | % |
| 204 | */ |
| 205 | MagickExport char *CloneString(char **destination,const char *source) |
| 206 | { |
| 207 | size_t |
| 208 | length; |
| 209 | |
| 210 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 211 | assert(destination != (char **) NULL); |
| 212 | if (source == (const char *) NULL) |
| 213 | { |
| 214 | if (*destination != (char *) NULL) |
| 215 | *destination=DestroyString(*destination); |
| 216 | return(*destination); |
| 217 | } |
| 218 | if (*destination == (char *) NULL) |
| 219 | { |
| 220 | *destination=AcquireString(source); |
| 221 | return(*destination); |
| 222 | } |
| 223 | length=strlen(source); |
| 224 | if (~length < MaxTextExtent) |
| 225 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
| 226 | *destination=(char *) ResizeQuantumMemory(*destination,length+MaxTextExtent, |
cristy | b936f70 | 2011-03-25 15:33:43 +0000 | [diff] [blame] | 227 | sizeof(**destination)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 228 | if (*destination == (char *) NULL) |
| 229 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 230 | if (length != 0) |
cristy | f7e6ab4 | 2011-03-25 12:32:09 +0000 | [diff] [blame] | 231 | (void) memcpy(*destination,source,length*sizeof(**destination)); |
cristy | 208cacf | 2010-09-03 02:24:42 +0000 | [diff] [blame] | 232 | (*destination)[length]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 233 | return(*destination); |
| 234 | } |
| 235 | |
| 236 | /* |
| 237 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 238 | % % |
| 239 | % % |
| 240 | % % |
| 241 | % C l o n e S t r i n g I n f o % |
| 242 | % % |
| 243 | % % |
| 244 | % % |
| 245 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 246 | % |
| 247 | % CloneStringInfo() clones a copy of the StringInfo structure. |
| 248 | % |
| 249 | % The format of the CloneStringInfo method is: |
| 250 | % |
| 251 | % StringInfo *CloneStringInfo(const StringInfo *string_info) |
| 252 | % |
| 253 | % A description of each parameter follows: |
| 254 | % |
| 255 | % o string_info: the string info. |
| 256 | % |
| 257 | */ |
| 258 | MagickExport StringInfo *CloneStringInfo(const StringInfo *string_info) |
| 259 | { |
| 260 | StringInfo |
| 261 | *clone_info; |
| 262 | |
| 263 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 264 | assert(string_info != (StringInfo *) NULL); |
| 265 | assert(string_info->signature == MagickSignature); |
| 266 | clone_info=AcquireStringInfo(string_info->length); |
| 267 | if (string_info->length != 0) |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 268 | (void) memcpy(clone_info->datum,string_info->datum,string_info->length+1); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 269 | return(clone_info); |
| 270 | } |
| 271 | |
| 272 | /* |
| 273 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 274 | % % |
| 275 | % % |
| 276 | % % |
| 277 | % C o m p a r e S t r i n g I n f o % |
| 278 | % % |
| 279 | % % |
| 280 | % % |
| 281 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 282 | % |
| 283 | % CompareStringInfo() compares the two datums target and source. It returns |
| 284 | % an integer less than, equal to, or greater than zero if target is found, |
| 285 | % respectively, to be less than, to match, or be greater than source. |
| 286 | % |
| 287 | % The format of the CompareStringInfo method is: |
| 288 | % |
| 289 | % int CompareStringInfo(const StringInfo *target,const StringInfo *source) |
| 290 | % |
| 291 | % A description of each parameter follows: |
| 292 | % |
| 293 | % o target: the target string. |
| 294 | % |
| 295 | % o source: the source string. |
| 296 | % |
| 297 | */ |
| 298 | |
| 299 | static inline size_t MagickMin(const size_t x,const size_t y) |
| 300 | { |
| 301 | if (x < y) |
| 302 | return(x); |
| 303 | return(y); |
| 304 | } |
| 305 | |
| 306 | MagickExport int CompareStringInfo(const StringInfo *target, |
| 307 | const StringInfo *source) |
| 308 | { |
| 309 | int |
| 310 | status; |
| 311 | |
| 312 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 313 | assert(target != (StringInfo *) NULL); |
| 314 | assert(target->signature == MagickSignature); |
| 315 | assert(source != (StringInfo *) NULL); |
| 316 | assert(source->signature == MagickSignature); |
| 317 | status=memcmp(target->datum,source->datum,MagickMin(target->length, |
| 318 | source->length)); |
| 319 | if (status != 0) |
| 320 | return(status); |
| 321 | if (target->length == source->length) |
| 322 | return(0); |
| 323 | return(target->length < source->length ? -1 : 1); |
| 324 | } |
| 325 | |
| 326 | /* |
| 327 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 328 | % % |
| 329 | % % |
| 330 | % % |
| 331 | % C o n c a t e n a t e M a g i c k S t r i n g % |
| 332 | % % |
| 333 | % % |
| 334 | % % |
| 335 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 336 | % |
| 337 | % ConcatenateMagickString() concatenates the source string to the destination |
| 338 | % string. The destination buffer is always null-terminated even if the |
| 339 | % string must be truncated. |
| 340 | % |
| 341 | % The format of the ConcatenateMagickString method is: |
| 342 | % |
| 343 | % size_t ConcatenateMagickString(char *destination,const char *source, |
| 344 | % const size_t length) |
| 345 | % |
| 346 | % A description of each parameter follows: |
| 347 | % |
| 348 | % o destination: the destination string. |
| 349 | % |
| 350 | % o source: the source string. |
| 351 | % |
| 352 | % o length: the length of the destination string. |
| 353 | % |
| 354 | */ |
| 355 | MagickExport size_t ConcatenateMagickString(char *destination, |
| 356 | const char *source,const size_t length) |
| 357 | { |
| 358 | register char |
| 359 | *q; |
| 360 | |
| 361 | register const char |
| 362 | *p; |
| 363 | |
| 364 | register size_t |
| 365 | i; |
| 366 | |
| 367 | size_t |
| 368 | count; |
| 369 | |
| 370 | assert(destination != (char *) NULL); |
| 371 | assert(source != (const char *) NULL); |
| 372 | assert(length >= 1); |
| 373 | p=source; |
| 374 | q=destination; |
| 375 | i=length; |
| 376 | while ((i-- != 0) && (*q != '\0')) |
| 377 | q++; |
| 378 | count=(size_t) (q-destination); |
| 379 | i=length-count; |
| 380 | if (i == 0) |
| 381 | return(count+strlen(p)); |
| 382 | while (*p != '\0') |
| 383 | { |
| 384 | if (i != 1) |
| 385 | { |
| 386 | *q++=(*p); |
| 387 | i--; |
| 388 | } |
| 389 | p++; |
| 390 | } |
| 391 | *q='\0'; |
| 392 | return(count+(p-source)); |
| 393 | } |
| 394 | |
| 395 | /* |
| 396 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 397 | % % |
| 398 | % % |
| 399 | % % |
| 400 | % C o n c a t e n a t e S t r i n g % |
| 401 | % % |
| 402 | % % |
| 403 | % % |
| 404 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 405 | % |
| 406 | % ConcatenateString() appends a copy of string source, including the |
| 407 | % terminating null character, to the end of string destination. |
| 408 | % |
| 409 | % The format of the ConcatenateString method is: |
| 410 | % |
| 411 | % MagickBooleanType ConcatenateString(char **destination, |
| 412 | % const char *source) |
| 413 | % |
| 414 | % A description of each parameter follows: |
| 415 | % |
| 416 | % o destination: A pointer to a character string. |
| 417 | % |
| 418 | % o source: A character string. |
| 419 | % |
| 420 | */ |
| 421 | MagickExport MagickBooleanType ConcatenateString(char **destination, |
| 422 | const char *source) |
| 423 | { |
| 424 | size_t |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 425 | destination_length, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 426 | length, |
| 427 | source_length; |
| 428 | |
| 429 | assert(destination != (char **) NULL); |
| 430 | if (source == (const char *) NULL) |
| 431 | return(MagickTrue); |
| 432 | if (*destination == (char *) NULL) |
| 433 | { |
| 434 | *destination=AcquireString(source); |
| 435 | return(MagickTrue); |
| 436 | } |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 437 | destination_length=strlen(*destination); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 438 | source_length=strlen(source); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 439 | length=destination_length; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 440 | if (~length < source_length) |
| 441 | ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString"); |
| 442 | length+=source_length; |
| 443 | if (~length < MaxTextExtent) |
| 444 | ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString"); |
| 445 | *destination=(char *) ResizeQuantumMemory(*destination,length+MaxTextExtent, |
cristy | cf1667c | 2011-03-25 15:35:41 +0000 | [diff] [blame] | 446 | sizeof(**destination)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 447 | if (*destination == (char *) NULL) |
| 448 | ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString"); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 449 | if (source_length != 0) |
| 450 | (void) memcpy((*destination)+destination_length,source,source_length); |
| 451 | (*destination)[length]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 452 | return(MagickTrue); |
| 453 | } |
| 454 | |
| 455 | /* |
| 456 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 457 | % % |
| 458 | % % |
| 459 | % % |
| 460 | % C o n c a t e n a t e S t r i n g I n f o % |
| 461 | % % |
| 462 | % % |
| 463 | % % |
| 464 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 465 | % |
| 466 | % ConcatenateStringInfo() concatenates the source string to the destination |
| 467 | % string. |
| 468 | % |
| 469 | % The format of the ConcatenateStringInfo method is: |
| 470 | % |
| 471 | % void ConcatenateStringInfo(StringInfo *string_info, |
| 472 | % const StringInfo *source) |
| 473 | % |
| 474 | % A description of each parameter follows: |
| 475 | % |
| 476 | % o string_info: the string info. |
| 477 | % |
| 478 | % o source: the source string. |
| 479 | % |
| 480 | */ |
| 481 | MagickExport void ConcatenateStringInfo(StringInfo *string_info, |
| 482 | const StringInfo *source) |
| 483 | { |
| 484 | size_t |
| 485 | length; |
| 486 | |
| 487 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 488 | assert(string_info != (StringInfo *) NULL); |
| 489 | assert(string_info->signature == MagickSignature); |
| 490 | assert(source != (const StringInfo *) NULL); |
| 491 | length=string_info->length; |
| 492 | if (~length < source->length) |
| 493 | ThrowFatalException(ResourceLimitFatalError,"UnableToConcatenateString"); |
| 494 | SetStringInfoLength(string_info,length+source->length); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 495 | (void) memcpy(string_info->datum+length,source->datum,source->length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | /* |
| 499 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 500 | % % |
| 501 | % % |
| 502 | % % |
| 503 | % 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 % |
| 504 | % % |
| 505 | % % |
| 506 | % % |
| 507 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 508 | % |
| 509 | % ConfigureFileToStringInfo() returns the contents of a configure file as a |
| 510 | % string. |
| 511 | % |
| 512 | % The format of the ConfigureFileToStringInfo method is: |
| 513 | % |
| 514 | % StringInfo *ConfigureFileToStringInfo(const char *filename) |
| 515 | % ExceptionInfo *exception) |
| 516 | % |
| 517 | % A description of each parameter follows: |
| 518 | % |
| 519 | % o filename: the filename. |
| 520 | % |
| 521 | */ |
| 522 | MagickExport StringInfo *ConfigureFileToStringInfo(const char *filename) |
| 523 | { |
| 524 | char |
| 525 | *string; |
| 526 | |
| 527 | int |
| 528 | file; |
| 529 | |
| 530 | MagickOffsetType |
| 531 | offset; |
| 532 | |
| 533 | size_t |
| 534 | length; |
| 535 | |
| 536 | StringInfo |
| 537 | *string_info; |
| 538 | |
| 539 | void |
| 540 | *map; |
| 541 | |
| 542 | assert(filename != (const char *) NULL); |
| 543 | file=open(filename,O_RDONLY | O_BINARY); |
| 544 | if (file == -1) |
| 545 | return((StringInfo *) NULL); |
cristy | 7f31770 | 2011-02-18 20:40:28 +0000 | [diff] [blame] | 546 | offset=(MagickOffsetType) lseek(file,0,SEEK_END); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 547 | if ((offset < 0) || (offset != (MagickOffsetType) ((ssize_t) offset))) |
| 548 | { |
| 549 | file=close(file)-1; |
| 550 | return((StringInfo *) NULL); |
| 551 | } |
| 552 | length=(size_t) offset; |
| 553 | string=(char *) NULL; |
cristy | 37e0b38 | 2011-06-07 13:31:21 +0000 | [diff] [blame] | 554 | if (~length >= (MaxTextExtent-1)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 555 | string=(char *) AcquireQuantumMemory(length+MaxTextExtent,sizeof(*string)); |
| 556 | if (string == (char *) NULL) |
| 557 | { |
| 558 | file=close(file)-1; |
| 559 | return((StringInfo *) NULL); |
| 560 | } |
| 561 | map=MapBlob(file,ReadMode,0,length); |
| 562 | if (map != (void *) NULL) |
| 563 | { |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 564 | (void) memcpy(string,map,length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 565 | (void) UnmapBlob(map,length); |
| 566 | } |
| 567 | else |
| 568 | { |
| 569 | register size_t |
| 570 | i; |
| 571 | |
| 572 | ssize_t |
| 573 | count; |
| 574 | |
cristy | 7f31770 | 2011-02-18 20:40:28 +0000 | [diff] [blame] | 575 | (void) lseek(file,0,SEEK_SET); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 576 | for (i=0; i < length; i+=count) |
| 577 | { |
| 578 | count=read(file,string+i,(size_t) MagickMin(length-i,(size_t) |
| 579 | SSIZE_MAX)); |
| 580 | if (count <= 0) |
| 581 | { |
| 582 | count=0; |
| 583 | if (errno != EINTR) |
| 584 | break; |
| 585 | } |
| 586 | } |
| 587 | if (i < length) |
| 588 | { |
| 589 | file=close(file)-1; |
| 590 | string=DestroyString(string); |
| 591 | return((StringInfo *) NULL); |
| 592 | } |
| 593 | } |
| 594 | string[length]='\0'; |
| 595 | file=close(file)-1; |
| 596 | string_info=AcquireStringInfo(0); |
| 597 | (void) CopyMagickString(string_info->path,filename,MaxTextExtent); |
| 598 | string_info->length=length; |
| 599 | string_info->datum=(unsigned char *) string; |
| 600 | return(string_info); |
| 601 | } |
| 602 | |
| 603 | /* |
| 604 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 605 | % % |
| 606 | % % |
| 607 | % % |
| 608 | % C o n s t a n t S t r i n g % |
| 609 | % % |
| 610 | % % |
| 611 | % % |
| 612 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 613 | % |
| 614 | % ConstantString() allocates memory for a string and copies the source string |
| 615 | % to that memory location (and returns it). Use it for strings that you do |
| 616 | % do not expect to change over its lifetime. |
| 617 | % |
| 618 | % The format of the ConstantString method is: |
| 619 | % |
| 620 | % char *ConstantString(const char *source) |
| 621 | % |
| 622 | % A description of each parameter follows: |
| 623 | % |
| 624 | % o source: A character string. |
| 625 | % |
| 626 | */ |
| 627 | MagickExport char *ConstantString(const char *source) |
| 628 | { |
| 629 | char |
| 630 | *destination; |
| 631 | |
| 632 | size_t |
| 633 | length; |
| 634 | |
| 635 | length=0; |
| 636 | if (source != (char *) NULL) |
| 637 | length+=strlen(source); |
| 638 | destination=(char *) NULL; |
| 639 | if (~length >= 1UL) |
| 640 | destination=(char *) AcquireQuantumMemory(length+1UL,sizeof(*destination)); |
| 641 | if (destination == (char *) NULL) |
| 642 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
| 643 | *destination='\0'; |
| 644 | if (source != (char *) NULL) |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 645 | (void) memcpy(destination,source,length*sizeof(*destination)); |
| 646 | destination[length]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 647 | return(destination); |
| 648 | } |
| 649 | |
| 650 | /* |
| 651 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 652 | % % |
| 653 | % % |
| 654 | % % |
| 655 | % C o p y M a g i c k S t r i n g % |
| 656 | % % |
| 657 | % % |
| 658 | % % |
| 659 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 660 | % |
| 661 | % CopyMagickString() copies the source string to the destination string. The |
| 662 | % destination buffer is always null-terminated even if the string must be |
| 663 | % truncated. The return value is the minimum of the source string length |
| 664 | % or the length parameter. |
| 665 | % |
| 666 | % The format of the CopyMagickString method is: |
| 667 | % |
| 668 | % size_t CopyMagickString(const char *destination,char *source, |
| 669 | % const size_t length) |
| 670 | % |
| 671 | % A description of each parameter follows: |
| 672 | % |
| 673 | % o destination: the destination string. |
| 674 | % |
| 675 | % o source: the source string. |
| 676 | % |
| 677 | % o length: the length of the destination string. |
| 678 | % |
| 679 | */ |
| 680 | MagickExport size_t CopyMagickString(char *destination,const char *source, |
| 681 | const size_t length) |
| 682 | { |
| 683 | register char |
| 684 | *q; |
| 685 | |
| 686 | register const char |
| 687 | *p; |
| 688 | |
| 689 | register size_t |
| 690 | n; |
| 691 | |
| 692 | p=source; |
| 693 | q=destination; |
| 694 | for (n=length; n > 4; n-=4) |
| 695 | { |
| 696 | *q=(*p++); |
| 697 | if (*q == '\0') |
| 698 | return((size_t) (p-source-1)); |
| 699 | q++; |
| 700 | *q=(*p++); |
| 701 | if (*q == '\0') |
| 702 | return((size_t) (p-source-1)); |
| 703 | q++; |
| 704 | *q=(*p++); |
| 705 | if (*q == '\0') |
| 706 | return((size_t) (p-source-1)); |
| 707 | q++; |
| 708 | *q=(*p++); |
| 709 | if (*q == '\0') |
| 710 | return((size_t) (p-source-1)); |
| 711 | q++; |
| 712 | } |
| 713 | if (n != 0) |
| 714 | for (n--; n != 0; n--) |
| 715 | { |
| 716 | *q=(*p++); |
| 717 | if (*q == '\0') |
| 718 | return((size_t) (p-source-1)); |
| 719 | q++; |
| 720 | } |
| 721 | if (length != 0) |
| 722 | *q='\0'; |
| 723 | return((size_t) (p-source-1)); |
| 724 | } |
| 725 | |
| 726 | /* |
| 727 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 728 | % % |
| 729 | % % |
| 730 | % % |
| 731 | % D e s t r o y S t r i n g % |
| 732 | % % |
| 733 | % % |
| 734 | % % |
| 735 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 736 | % |
| 737 | % DestroyString() destroys memory associated with a string. |
| 738 | % |
| 739 | % The format of the DestroyString method is: |
| 740 | % |
| 741 | % char *DestroyString(char *string) |
| 742 | % |
| 743 | % A description of each parameter follows: |
| 744 | % |
| 745 | % o string: the string. |
| 746 | % |
| 747 | */ |
| 748 | MagickExport char *DestroyString(char *string) |
| 749 | { |
| 750 | return((char *) RelinquishMagickMemory(string)); |
| 751 | } |
| 752 | |
| 753 | /* |
| 754 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 755 | % % |
| 756 | % % |
| 757 | % % |
| 758 | % D e s t r o y S t r i n g I n f o % |
| 759 | % % |
| 760 | % % |
| 761 | % % |
| 762 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 763 | % |
| 764 | % DestroyStringInfo() destroys memory associated with the StringInfo structure. |
| 765 | % |
| 766 | % The format of the DestroyStringInfo method is: |
| 767 | % |
| 768 | % StringInfo *DestroyStringInfo(StringInfo *string_info) |
| 769 | % |
| 770 | % A description of each parameter follows: |
| 771 | % |
| 772 | % o string_info: the string info. |
| 773 | % |
| 774 | */ |
| 775 | MagickExport StringInfo *DestroyStringInfo(StringInfo *string_info) |
| 776 | { |
| 777 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 778 | assert(string_info != (StringInfo *) NULL); |
| 779 | assert(string_info->signature == MagickSignature); |
| 780 | if (string_info->datum != (unsigned char *) NULL) |
| 781 | string_info->datum=(unsigned char *) RelinquishMagickMemory( |
| 782 | string_info->datum); |
| 783 | string_info->signature=(~MagickSignature); |
| 784 | string_info=(StringInfo *) RelinquishMagickMemory(string_info); |
| 785 | return(string_info); |
| 786 | } |
| 787 | |
| 788 | /* |
| 789 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 790 | % % |
| 791 | % % |
| 792 | % % |
| 793 | % D e s t r o y S t r i n g L i s t % |
| 794 | % % |
| 795 | % % |
| 796 | % % |
| 797 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 798 | % |
| 799 | % DestroyStringList() zeros memory associated with a string list. |
| 800 | % |
| 801 | % The format of the DestroyStringList method is: |
| 802 | % |
| 803 | % char **DestroyStringList(char **list) |
| 804 | % |
| 805 | % A description of each parameter follows: |
| 806 | % |
| 807 | % o list: the string list. |
| 808 | % |
| 809 | */ |
| 810 | MagickExport char **DestroyStringList(char **list) |
| 811 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 812 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 813 | i; |
| 814 | |
| 815 | assert(list != (char **) NULL); |
| 816 | for (i=0; list[i] != (char *) NULL; i++) |
| 817 | list[i]=DestroyString(list[i]); |
| 818 | list=(char **) RelinquishMagickMemory(list); |
| 819 | return(list); |
| 820 | } |
| 821 | |
| 822 | /* |
| 823 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 824 | % % |
| 825 | % % |
| 826 | % % |
| 827 | % E s c a p e S t r i n g % |
| 828 | % % |
| 829 | % % |
| 830 | % % |
| 831 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 832 | % |
| 833 | % EscapeString() allocates memory for a backslash-escaped version of a |
| 834 | % source text string, copies the escaped version of the text to that |
| 835 | % memory location while adding backslash characters, and returns the |
| 836 | % escaped string. |
| 837 | % |
| 838 | % The format of the EscapeString method is: |
| 839 | % |
| 840 | % char *EscapeString(const char *source,const char escape) |
| 841 | % |
| 842 | % A description of each parameter follows: |
| 843 | % |
| 844 | % o allocate_string: Method EscapeString returns the escaped string. |
| 845 | % |
| 846 | % o source: A character string. |
| 847 | % |
| 848 | % o escape: the quoted string termination character to escape (e.g. '"'). |
| 849 | % |
| 850 | */ |
| 851 | MagickExport char *EscapeString(const char *source,const char escape) |
| 852 | { |
| 853 | char |
| 854 | *destination; |
| 855 | |
| 856 | register char |
| 857 | *q; |
| 858 | |
| 859 | register const char |
| 860 | *p; |
| 861 | |
| 862 | size_t |
| 863 | length; |
| 864 | |
| 865 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 866 | assert(source != (const char *) NULL); |
| 867 | length=strlen(source); |
| 868 | for (p=source; *p != '\0'; p++) |
| 869 | if ((*p == '\\') || (*p == escape)) |
| 870 | { |
| 871 | if (~length < 1) |
| 872 | ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString"); |
| 873 | length++; |
| 874 | } |
| 875 | destination=(char *) NULL; |
cristy | 37e0b38 | 2011-06-07 13:31:21 +0000 | [diff] [blame] | 876 | if (~length >= (MaxTextExtent-1)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 877 | destination=(char *) AcquireQuantumMemory(length+MaxTextExtent, |
| 878 | sizeof(*destination)); |
| 879 | if (destination == (char *) NULL) |
| 880 | ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString"); |
| 881 | *destination='\0'; |
| 882 | if (source != (char *) NULL) |
| 883 | { |
| 884 | q=destination; |
| 885 | for (p=source; *p != '\0'; p++) |
| 886 | { |
| 887 | if ((*p == '\\') || (*p == escape)) |
| 888 | *q++='\\'; |
| 889 | *q++=(*p); |
| 890 | } |
| 891 | *q='\0'; |
| 892 | } |
| 893 | return(destination); |
| 894 | } |
| 895 | |
| 896 | /* |
| 897 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 898 | % % |
| 899 | % % |
| 900 | % % |
| 901 | % F i l e T o S t r i n g % |
| 902 | % % |
| 903 | % % |
| 904 | % % |
| 905 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 906 | % |
| 907 | % FileToString() returns the contents of a file as a string. |
| 908 | % |
| 909 | % The format of the FileToString method is: |
| 910 | % |
| 911 | % char *FileToString(const char *filename,const size_t extent, |
| 912 | % ExceptionInfo *exception) |
| 913 | % |
| 914 | % A description of each parameter follows: |
| 915 | % |
| 916 | % o filename: the filename. |
| 917 | % |
| 918 | % o extent: Maximum length of the string. |
| 919 | % |
| 920 | % o exception: return any errors or warnings in this structure. |
| 921 | % |
| 922 | */ |
| 923 | MagickExport char *FileToString(const char *filename,const size_t extent, |
| 924 | ExceptionInfo *exception) |
| 925 | { |
| 926 | size_t |
| 927 | length; |
| 928 | |
| 929 | assert(filename != (const char *) NULL); |
| 930 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename); |
| 931 | assert(exception != (ExceptionInfo *) NULL); |
| 932 | return((char *) FileToBlob(filename,extent,&length,exception)); |
| 933 | } |
| 934 | |
| 935 | /* |
| 936 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 937 | % % |
| 938 | % % |
| 939 | % % |
| 940 | % F i l e T o S t r i n g I n f o % |
| 941 | % % |
| 942 | % % |
| 943 | % % |
| 944 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 945 | % |
| 946 | % FileToStringInfo() returns the contents of a file as a string. |
| 947 | % |
| 948 | % The format of the FileToStringInfo method is: |
| 949 | % |
| 950 | % StringInfo *FileToStringInfo(const char *filename,const size_t extent, |
| 951 | % ExceptionInfo *exception) |
| 952 | % |
| 953 | % A description of each parameter follows: |
| 954 | % |
| 955 | % o filename: the filename. |
| 956 | % |
| 957 | % o extent: Maximum length of the string. |
| 958 | % |
| 959 | % o exception: return any errors or warnings in this structure. |
| 960 | % |
| 961 | */ |
| 962 | MagickExport StringInfo *FileToStringInfo(const char *filename, |
| 963 | const size_t extent,ExceptionInfo *exception) |
| 964 | { |
| 965 | StringInfo |
| 966 | *string_info; |
| 967 | |
| 968 | assert(filename != (const char *) NULL); |
| 969 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename); |
| 970 | assert(exception != (ExceptionInfo *) NULL); |
| 971 | string_info=AcquireStringInfo(0); |
| 972 | (void) CopyMagickString(string_info->path,filename,MaxTextExtent); |
| 973 | string_info->datum=FileToBlob(filename,extent,&string_info->length,exception); |
| 974 | if (string_info->datum == (unsigned char *) NULL) |
| 975 | { |
| 976 | string_info=DestroyStringInfo(string_info); |
| 977 | return((StringInfo *) NULL); |
| 978 | } |
| 979 | return(string_info); |
| 980 | } |
| 981 | |
| 982 | /* |
| 983 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 984 | % % |
| 985 | % % |
| 986 | % % |
| 987 | % F o r m a t M a g i c k S i z e % |
| 988 | % % |
| 989 | % % |
| 990 | % % |
| 991 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 992 | % |
| 993 | % FormatMagickSize() converts a size to a human readable format, for example, |
cristy | 2ce15c9 | 2010-03-12 14:03:41 +0000 | [diff] [blame] | 994 | % 14k, 234m, 2.7g, or 3.0t. Scaling is done by repetitively dividing by |
cristy | c15ce49 | 2009-12-01 19:18:23 +0000 | [diff] [blame] | 995 | % 1000. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 996 | % |
| 997 | % The format of the FormatMagickSize method is: |
| 998 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 999 | % ssize_t FormatMagickSize(const MagickSizeType size,char *format) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1000 | % |
| 1001 | % A description of each parameter follows: |
| 1002 | % |
| 1003 | % o size: convert this size to a human readable format. |
| 1004 | % |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1005 | % o bi: use power of two rather than power of ten. |
| 1006 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1007 | % o format: human readable format. |
| 1008 | % |
| 1009 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1010 | MagickExport ssize_t FormatMagickSize(const MagickSizeType size, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1011 | const MagickBooleanType bi,char *format) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1012 | { |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1013 | const char |
| 1014 | **units; |
| 1015 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1016 | double |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1017 | bytes, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1018 | length; |
| 1019 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1020 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1021 | i, |
| 1022 | j; |
| 1023 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 1024 | ssize_t |
| 1025 | count; |
| 1026 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1027 | static const char |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1028 | *bi_units[] = |
| 1029 | { |
cristy | 2ce15c9 | 2010-03-12 14:03:41 +0000 | [diff] [blame] | 1030 | "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi", (char *) NULL |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1031 | }, |
| 1032 | *traditional_units[] = |
cristy | 9bf9da3 | 2009-09-27 16:48:34 +0000 | [diff] [blame] | 1033 | { |
cristy | 2ce15c9 | 2010-03-12 14:03:41 +0000 | [diff] [blame] | 1034 | "", "K", "M", "G", "T", "P", "E", "Z", "Y", (char *) NULL |
cristy | 9bf9da3 | 2009-09-27 16:48:34 +0000 | [diff] [blame] | 1035 | }; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1036 | |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1037 | bytes=1000.0; |
| 1038 | units=traditional_units; |
| 1039 | if (bi != MagickFalse) |
| 1040 | { |
| 1041 | bytes=1024.0; |
| 1042 | units=bi_units; |
| 1043 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1044 | #if defined(_MSC_VER) && (_MSC_VER == 1200) |
| 1045 | length=(double) ((MagickOffsetType) size); |
| 1046 | #else |
| 1047 | length=(double) size; |
| 1048 | #endif |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 1049 | for (i=0; (length >= bytes) && (units[i+1] != (const char *) NULL); i++) |
| 1050 | length/=bytes; |
cristy | 9bf9da3 | 2009-09-27 16:48:34 +0000 | [diff] [blame] | 1051 | for (j=2; j < 12; j++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1052 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1053 | count=FormatLocaleString(format,MaxTextExtent,"%.*g%sB",(int) (i+j),length, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1054 | units[i]); |
| 1055 | if (strchr(format,'+') == (char *) NULL) |
| 1056 | break; |
| 1057 | } |
| 1058 | return(count); |
| 1059 | } |
| 1060 | |
| 1061 | /* |
| 1062 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1063 | % % |
| 1064 | % % |
| 1065 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1066 | % F o r m a t M a g i c k T i m e % |
| 1067 | % % |
| 1068 | % % |
| 1069 | % % |
| 1070 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1071 | % |
| 1072 | % FormatMagickTime() returns the specified time in the Internet date/time |
| 1073 | % format and the length of the timestamp. |
| 1074 | % |
| 1075 | % The format of the FormatMagickTime method is: |
| 1076 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1077 | % ssize_t FormatMagickTime(const time_t time,const size_t length, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1078 | % char *timestamp) |
| 1079 | % |
| 1080 | % A description of each parameter follows. |
| 1081 | % |
| 1082 | % o time: the time since the Epoch (00:00:00 UTC, January 1, 1970), |
| 1083 | % measured in seconds. |
| 1084 | % |
| 1085 | % o length: the maximum length of the string. |
| 1086 | % |
| 1087 | % o timestamp: Return the Internet date/time here. |
| 1088 | % |
| 1089 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1090 | MagickExport ssize_t FormatMagickTime(const time_t time,const size_t length, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1091 | char *timestamp) |
| 1092 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1093 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1094 | count; |
| 1095 | |
| 1096 | struct tm |
| 1097 | gm_time, |
| 1098 | local_time; |
| 1099 | |
| 1100 | time_t |
| 1101 | timezone; |
| 1102 | |
| 1103 | assert(timestamp != (char *) NULL); |
| 1104 | (void) ResetMagickMemory(&local_time,0,sizeof(local_time)); |
| 1105 | (void) ResetMagickMemory(&gm_time,0,sizeof(gm_time)); |
| 1106 | #if defined(MAGICKCORE_HAVE_LOCALTIME_R) |
| 1107 | (void) localtime_r(&time,&local_time); |
| 1108 | #else |
| 1109 | { |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 1110 | struct tm |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1111 | *my_time; |
| 1112 | |
| 1113 | my_time=localtime(&time); |
| 1114 | if (my_time != (struct tm *) NULL) |
| 1115 | (void) memcpy(&local_time,my_time,sizeof(local_time)); |
| 1116 | } |
| 1117 | #endif |
| 1118 | #if defined(MAGICKCORE_HAVE_GMTIME_R) |
| 1119 | (void) gmtime_r(&time,&gm_time); |
| 1120 | #else |
| 1121 | { |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 1122 | struct tm |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1123 | *my_time; |
| 1124 | |
| 1125 | my_time=gmtime(&time); |
| 1126 | if (my_time != (struct tm *) NULL) |
| 1127 | (void) memcpy(&gm_time,my_time,sizeof(gm_time)); |
| 1128 | } |
| 1129 | #endif |
| 1130 | timezone=(time_t) ((local_time.tm_min-gm_time.tm_min)/60+ |
| 1131 | local_time.tm_hour-gm_time.tm_hour+24*((local_time.tm_year- |
| 1132 | gm_time.tm_year) != 0 ? (local_time.tm_year-gm_time.tm_year) : |
| 1133 | (local_time.tm_yday-gm_time.tm_yday))); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1134 | count=FormatLocaleString(timestamp,length, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1135 | "%04d-%02d-%02dT%02d:%02d:%02d%+03ld:00",local_time.tm_year+1900, |
| 1136 | local_time.tm_mon+1,local_time.tm_mday,local_time.tm_hour, |
cristy | f1d9124 | 2010-05-28 02:23:19 +0000 | [diff] [blame] | 1137 | local_time.tm_min,local_time.tm_sec,(long) timezone); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1138 | return(count); |
| 1139 | } |
| 1140 | |
| 1141 | /* |
| 1142 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1143 | % % |
| 1144 | % % |
| 1145 | % % |
| 1146 | % G e t E n v i r o n m e n t V a l u e % |
| 1147 | % % |
| 1148 | % % |
| 1149 | % % |
| 1150 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1151 | % |
| 1152 | % GetEnvironmentValue() returns the environment string that matches the |
| 1153 | % specified name. |
| 1154 | % |
| 1155 | % The format of the GetEnvironmentValue method is: |
| 1156 | % |
| 1157 | % char *GetEnvironmentValue(const char *name) |
| 1158 | % |
| 1159 | % A description of each parameter follows: |
| 1160 | % |
| 1161 | % o name: the environment name. |
| 1162 | % |
| 1163 | */ |
| 1164 | MagickExport char *GetEnvironmentValue(const char *name) |
| 1165 | { |
| 1166 | const char |
| 1167 | *environment; |
| 1168 | |
| 1169 | environment=getenv(name); |
| 1170 | if (environment == (const char *) NULL) |
| 1171 | return((char *) NULL); |
| 1172 | return(ConstantString(environment)); |
| 1173 | } |
| 1174 | |
| 1175 | /* |
| 1176 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1177 | % % |
| 1178 | % % |
| 1179 | % % |
| 1180 | % G e t S t r i n g I n f o D a t u m % |
| 1181 | % % |
| 1182 | % % |
| 1183 | % % |
| 1184 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1185 | % |
| 1186 | % GetStringInfoDatum() returns the datum associated with the string. |
| 1187 | % |
| 1188 | % The format of the GetStringInfoDatum method is: |
| 1189 | % |
| 1190 | % unsigned char *GetStringInfoDatum(const StringInfo *string_info) |
| 1191 | % |
| 1192 | % A description of each parameter follows: |
| 1193 | % |
| 1194 | % o string_info: the string info. |
| 1195 | % |
| 1196 | */ |
| 1197 | MagickExport unsigned char *GetStringInfoDatum(const StringInfo *string_info) |
| 1198 | { |
| 1199 | assert(string_info != (StringInfo *) NULL); |
| 1200 | assert(string_info->signature == MagickSignature); |
| 1201 | return(string_info->datum); |
| 1202 | } |
| 1203 | |
| 1204 | /* |
| 1205 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1206 | % % |
| 1207 | % % |
| 1208 | % % |
| 1209 | % G e t S t r i n g I n f o L e n g t h % |
| 1210 | % % |
| 1211 | % % |
| 1212 | % % |
| 1213 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1214 | % |
| 1215 | % GetStringInfoLength() returns the string length. |
| 1216 | % |
| 1217 | % The format of the GetStringInfoLength method is: |
| 1218 | % |
| 1219 | % size_t GetStringInfoLength(const StringInfo *string_info) |
| 1220 | % |
| 1221 | % A description of each parameter follows: |
| 1222 | % |
| 1223 | % o string_info: the string info. |
| 1224 | % |
| 1225 | */ |
| 1226 | MagickExport size_t GetStringInfoLength(const StringInfo *string_info) |
| 1227 | { |
| 1228 | assert(string_info != (StringInfo *) NULL); |
| 1229 | assert(string_info->signature == MagickSignature); |
| 1230 | return(string_info->length); |
| 1231 | } |
| 1232 | |
| 1233 | /* |
| 1234 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1235 | % % |
| 1236 | % % |
| 1237 | % % |
| 1238 | % G e t S t r i n g I n f o P a t h % |
| 1239 | % % |
| 1240 | % % |
| 1241 | % % |
| 1242 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1243 | % |
| 1244 | % GetStringInfoPath() returns the path associated with the string. |
| 1245 | % |
| 1246 | % The format of the GetStringInfoPath method is: |
| 1247 | % |
| 1248 | % const char *GetStringInfoPath(const StringInfo *string_info) |
| 1249 | % |
| 1250 | % A description of each parameter follows: |
| 1251 | % |
| 1252 | % o string_info: the string info. |
| 1253 | % |
| 1254 | */ |
| 1255 | MagickExport const char *GetStringInfoPath(const StringInfo *string_info) |
| 1256 | { |
| 1257 | assert(string_info != (StringInfo *) NULL); |
| 1258 | assert(string_info->signature == MagickSignature); |
| 1259 | return(string_info->path); |
| 1260 | } |
| 1261 | |
| 1262 | /* |
| 1263 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1264 | % % |
| 1265 | % % |
| 1266 | % % |
| 1267 | % L o c a l e C o m p a r e % |
| 1268 | % % |
| 1269 | % % |
| 1270 | % % |
| 1271 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1272 | % |
| 1273 | % LocaleCompare() performs a case-insensitive comparison of two strings |
| 1274 | % byte-by-byte, according to the ordering of the current locale encoding. |
| 1275 | % LocaleCompare returns an integer greater than, equal to, or less than 0, |
| 1276 | % if the string pointed to by p is greater than, equal to, or less than the |
| 1277 | % string pointed to by q respectively. The sign of a non-zero return value |
cristy | 7a40ba8 | 2011-01-08 20:31:18 +0000 | [diff] [blame] | 1278 | % is determined by the sign of the difference between the values of the first |
| 1279 | % pair of bytes that differ in the strings being compared. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1280 | % |
| 1281 | % The format of the LocaleCompare method is: |
| 1282 | % |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1283 | % int LocaleCompare(const char *p,const char *q) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1284 | % |
| 1285 | % A description of each parameter follows: |
| 1286 | % |
| 1287 | % o p: A pointer to a character string. |
| 1288 | % |
| 1289 | % o q: A pointer to a character string to compare to p. |
| 1290 | % |
| 1291 | */ |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1292 | MagickExport int LocaleCompare(const char *p,const char *q) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1293 | { |
| 1294 | if ((p == (char *) NULL) && (q == (char *) NULL)) |
| 1295 | return(0); |
| 1296 | if (p == (char *) NULL) |
| 1297 | return(-1); |
| 1298 | if (q == (char *) NULL) |
| 1299 | return(1); |
| 1300 | #if defined(MAGICKCORE_HAVE_STRCASECMP) |
cristy | 27397b2 | 2010-02-18 17:30:43 +0000 | [diff] [blame] | 1301 | return(strcasecmp(p,q)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1302 | #else |
| 1303 | { |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1304 | register int |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1305 | c, |
cristy | a72c2d1 | 2010-02-18 01:20:28 +0000 | [diff] [blame] | 1306 | d; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1307 | |
cristy | a72c2d1 | 2010-02-18 01:20:28 +0000 | [diff] [blame] | 1308 | for ( ; ; ) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1309 | { |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1310 | c=(int) *((unsigned char *) p); |
| 1311 | d=(int) *((unsigned char *) q); |
| 1312 | if ((c == 0) || (AsciiMap[c] != AsciiMap[d])) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1313 | break; |
cristy | a72c2d1 | 2010-02-18 01:20:28 +0000 | [diff] [blame] | 1314 | p++; |
| 1315 | q++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1316 | } |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1317 | return(AsciiMap[c]-(int) AsciiMap[d]); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1318 | } |
| 1319 | #endif |
| 1320 | } |
| 1321 | |
| 1322 | /* |
| 1323 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1324 | % % |
| 1325 | % % |
| 1326 | % % |
| 1327 | % L o c a l e L o w e r % |
| 1328 | % % |
| 1329 | % % |
| 1330 | % % |
| 1331 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1332 | % |
| 1333 | % LocaleLower() transforms all of the characters in the supplied |
| 1334 | % null-terminated string, changing all uppercase letters to lowercase. |
| 1335 | % |
| 1336 | % The format of the LocaleLower method is: |
| 1337 | % |
| 1338 | % void LocaleLower(char *string) |
| 1339 | % |
| 1340 | % A description of each parameter follows: |
| 1341 | % |
| 1342 | % o string: A pointer to the string to convert to lower-case Locale. |
| 1343 | % |
| 1344 | */ |
| 1345 | MagickExport void LocaleLower(char *string) |
| 1346 | { |
| 1347 | register char |
| 1348 | *q; |
| 1349 | |
| 1350 | assert(string != (char *) NULL); |
| 1351 | for (q=string; *q != '\0'; q++) |
| 1352 | *q=(char) tolower((int) *q); |
| 1353 | } |
| 1354 | |
| 1355 | /* |
| 1356 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1357 | % % |
| 1358 | % % |
| 1359 | % % |
| 1360 | % L o c a l e N C o m p a r e % |
| 1361 | % % |
| 1362 | % % |
| 1363 | % % |
| 1364 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1365 | % |
| 1366 | % LocaleNCompare() performs a case-insensitive comparison of two |
| 1367 | % strings byte-by-byte, according to the ordering of the current locale |
| 1368 | % encoding. LocaleNCompare returns an integer greater than, equal to, or |
| 1369 | % less than 0, if the string pointed to by p is greater than, equal to, or |
| 1370 | % less than the string pointed to by q respectively. The sign of a non-zero |
| 1371 | % return value is determined by the sign of the difference between the |
| 1372 | % values of the first pair of bytes that differ in the strings being |
| 1373 | % compared. The LocaleNCompare method makes the same comparison as |
| 1374 | % LocaleCompare but looks at a maximum of n bytes. Bytes following a |
| 1375 | % null byte are not compared. |
| 1376 | % |
| 1377 | % The format of the LocaleNCompare method is: |
| 1378 | % |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1379 | % int LocaleNCompare(const char *p,const char *q,const size_t n) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1380 | % |
| 1381 | % A description of each parameter follows: |
| 1382 | % |
| 1383 | % o p: A pointer to a character string. |
| 1384 | % |
| 1385 | % o q: A pointer to a character string to compare to p. |
| 1386 | % |
cristy | 7a40ba8 | 2011-01-08 20:31:18 +0000 | [diff] [blame] | 1387 | % o length: the number of characters to compare in strings p and q. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1388 | % |
| 1389 | */ |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1390 | MagickExport int LocaleNCompare(const char *p,const char *q,const size_t length) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1391 | { |
| 1392 | if (p == (char *) NULL) |
| 1393 | return(-1); |
| 1394 | if (q == (char *) NULL) |
| 1395 | return(1); |
| 1396 | #if defined(MAGICKCORE_HAVE_STRNCASECMP) |
cristy | 27397b2 | 2010-02-18 17:30:43 +0000 | [diff] [blame] | 1397 | return(strncasecmp(p,q,length)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1398 | #else |
| 1399 | { |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1400 | register int |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1401 | c, |
| 1402 | d; |
| 1403 | |
cristy | b6af4a5 | 2009-10-06 13:56:23 +0000 | [diff] [blame] | 1404 | register size_t |
cristy | c4cded1 | 2010-02-18 14:40:57 +0000 | [diff] [blame] | 1405 | i; |
cristy | b6af4a5 | 2009-10-06 13:56:23 +0000 | [diff] [blame] | 1406 | |
cristy | c4cded1 | 2010-02-18 14:40:57 +0000 | [diff] [blame] | 1407 | for (i=length; i != 0; i--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1408 | { |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1409 | c=(int) *((unsigned char *) p); |
| 1410 | d=(int) *((unsigned char *) q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1411 | if (AsciiMap[c] != AsciiMap[d]) |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1412 | return(AsciiMap[c]-(int) AsciiMap[d]); |
| 1413 | if (c == 0) |
| 1414 | return(0); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1415 | p++; |
| 1416 | q++; |
| 1417 | } |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 1418 | return(0); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1419 | } |
| 1420 | #endif |
| 1421 | } |
| 1422 | |
| 1423 | /* |
| 1424 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1425 | % % |
| 1426 | % % |
| 1427 | % % |
| 1428 | % L o c a l e U p p e r % |
| 1429 | % % |
| 1430 | % % |
| 1431 | % % |
| 1432 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1433 | % |
| 1434 | % LocaleUpper() transforms all of the characters in the supplied |
| 1435 | % null-terminated string, changing all lowercase letters to uppercase. |
| 1436 | % |
| 1437 | % The format of the LocaleUpper method is: |
| 1438 | % |
| 1439 | % void LocaleUpper(char *string) |
| 1440 | % |
| 1441 | % A description of each parameter follows: |
| 1442 | % |
| 1443 | % o string: A pointer to the string to convert to upper-case Locale. |
| 1444 | % |
| 1445 | */ |
| 1446 | MagickExport void LocaleUpper(char *string) |
| 1447 | { |
| 1448 | register char |
| 1449 | *q; |
| 1450 | |
| 1451 | assert(string != (char *) NULL); |
| 1452 | for (q=string; *q != '\0'; q++) |
| 1453 | *q=(char) toupper((int) *q); |
| 1454 | } |
| 1455 | |
| 1456 | /* |
| 1457 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1458 | % % |
| 1459 | % % |
| 1460 | % % |
| 1461 | % P r i n t S t r i n g I n f o % |
| 1462 | % % |
| 1463 | % % |
| 1464 | % % |
| 1465 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1466 | % |
| 1467 | % PrintStringInfo() prints the string. |
| 1468 | % |
| 1469 | % The format of the PrintStringInfo method is: |
| 1470 | % |
| 1471 | % void PrintStringInfo(FILE *file,const char *id, |
| 1472 | % const StringInfo *string_info) |
| 1473 | % |
| 1474 | % A description of each parameter follows: |
| 1475 | % |
| 1476 | % o file: the file, typically stdout. |
| 1477 | % |
| 1478 | % o id: the string id. |
| 1479 | % |
| 1480 | % o string_info: the string info. |
| 1481 | % |
| 1482 | */ |
| 1483 | MagickExport void PrintStringInfo(FILE *file,const char *id, |
| 1484 | const StringInfo *string_info) |
| 1485 | { |
| 1486 | register const char |
| 1487 | *p; |
| 1488 | |
| 1489 | register size_t |
| 1490 | i, |
| 1491 | j; |
| 1492 | |
| 1493 | assert(id != (const char *) NULL); |
| 1494 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",id); |
| 1495 | assert(string_info != (StringInfo *) NULL); |
| 1496 | assert(string_info->signature == MagickSignature); |
| 1497 | p=(char *) string_info->datum; |
| 1498 | for (i=0; i < string_info->length; i++) |
| 1499 | { |
| 1500 | if (((int) ((unsigned char) *p) < 32) && |
| 1501 | (isspace((int) ((unsigned char) *p)) == 0)) |
| 1502 | break; |
| 1503 | p++; |
| 1504 | } |
| 1505 | if (i == string_info->length) |
| 1506 | { |
| 1507 | (void) fputs((char *) string_info->datum,file); |
| 1508 | (void) fputc('\n',file); |
| 1509 | return; |
| 1510 | } |
| 1511 | /* |
| 1512 | Convert string to a HEX list. |
| 1513 | */ |
| 1514 | p=(char *) string_info->datum; |
| 1515 | for (i=0; i < string_info->length; i+=0x14) |
| 1516 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1517 | (void) FormatLocaleFile(file,"0x%08lx: ",(unsigned long) (0x14*i)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1518 | for (j=1; j <= MagickMin(string_info->length-i,0x14); j++) |
| 1519 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1520 | (void) FormatLocaleFile(file,"%02lx",(unsigned long) (*(p+j)) & 0xff); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1521 | if ((j % 0x04) == 0) |
| 1522 | (void) fputc(' ',file); |
| 1523 | } |
| 1524 | for ( ; j <= 0x14; j++) |
| 1525 | { |
| 1526 | (void) fputc(' ',file); |
| 1527 | (void) fputc(' ',file); |
| 1528 | if ((j % 0x04) == 0) |
| 1529 | (void) fputc(' ',file); |
| 1530 | } |
| 1531 | (void) fputc(' ',file); |
| 1532 | for (j=1; j <= MagickMin(string_info->length-i,0x14); j++) |
| 1533 | { |
| 1534 | if (isprint((int) ((unsigned char) *p)) != 0) |
| 1535 | (void) fputc(*p,file); |
| 1536 | else |
| 1537 | (void) fputc('-',file); |
| 1538 | p++; |
| 1539 | } |
| 1540 | (void) fputc('\n',file); |
| 1541 | } |
| 1542 | } |
| 1543 | |
| 1544 | /* |
| 1545 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1546 | % % |
| 1547 | % % |
| 1548 | % % |
| 1549 | % R e s e t S t r i n g I n f o % |
| 1550 | % % |
| 1551 | % % |
| 1552 | % % |
| 1553 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1554 | % |
| 1555 | % ResetStringInfo() reset the string to all null bytes. |
| 1556 | % |
| 1557 | % The format of the ResetStringInfo method is: |
| 1558 | % |
| 1559 | % void ResetStringInfo(StringInfo *string_info) |
| 1560 | % |
| 1561 | % A description of each parameter follows: |
| 1562 | % |
| 1563 | % o string_info: the string info. |
| 1564 | % |
| 1565 | */ |
| 1566 | MagickExport void ResetStringInfo(StringInfo *string_info) |
| 1567 | { |
| 1568 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1569 | assert(string_info != (StringInfo *) NULL); |
| 1570 | assert(string_info->signature == MagickSignature); |
| 1571 | (void) ResetMagickMemory(string_info->datum,0,string_info->length); |
| 1572 | } |
| 1573 | |
| 1574 | /* |
| 1575 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1576 | % % |
| 1577 | % % |
| 1578 | % % |
| 1579 | % S e t S t r i n g I n f o % |
| 1580 | % % |
| 1581 | % % |
| 1582 | % % |
| 1583 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1584 | % |
| 1585 | % SetStringInfo() copies the source string to the destination string. |
| 1586 | % |
| 1587 | % The format of the SetStringInfo method is: |
| 1588 | % |
| 1589 | % void SetStringInfo(StringInfo *string_info,const StringInfo *source) |
| 1590 | % |
| 1591 | % A description of each parameter follows: |
| 1592 | % |
| 1593 | % o string_info: the string info. |
| 1594 | % |
| 1595 | % o source: the source string. |
| 1596 | % |
| 1597 | */ |
| 1598 | MagickExport void SetStringInfo(StringInfo *string_info, |
| 1599 | const StringInfo *source) |
| 1600 | { |
| 1601 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1602 | assert(string_info != (StringInfo *) NULL); |
| 1603 | assert(string_info->signature == MagickSignature); |
| 1604 | assert(source != (StringInfo *) NULL); |
| 1605 | assert(source->signature == MagickSignature); |
| 1606 | if (string_info->length == 0) |
| 1607 | return; |
| 1608 | (void) ResetMagickMemory(string_info->datum,0,string_info->length); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 1609 | (void) memcpy(string_info->datum,source->datum,MagickMin(string_info->length, |
| 1610 | source->length)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1611 | } |
| 1612 | |
| 1613 | /* |
| 1614 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1615 | % % |
| 1616 | % % |
| 1617 | % % |
| 1618 | % S e t S t r i n g I n f o D a t u m % |
| 1619 | % % |
| 1620 | % % |
| 1621 | % % |
| 1622 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1623 | % |
| 1624 | % SetStringInfoDatum() copies bytes from the source string for the length of |
| 1625 | % the destination string. |
| 1626 | % |
| 1627 | % The format of the SetStringInfoDatum method is: |
| 1628 | % |
| 1629 | % void SetStringInfoDatum(StringInfo *string_info, |
| 1630 | % const unsigned char *source) |
| 1631 | % |
| 1632 | % A description of each parameter follows: |
| 1633 | % |
| 1634 | % o string_info: the string info. |
| 1635 | % |
| 1636 | % o source: the source string. |
| 1637 | % |
| 1638 | */ |
| 1639 | MagickExport void SetStringInfoDatum(StringInfo *string_info, |
| 1640 | const unsigned char *source) |
| 1641 | { |
| 1642 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1643 | assert(string_info != (StringInfo *) NULL); |
| 1644 | assert(string_info->signature == MagickSignature); |
| 1645 | if (string_info->length != 0) |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 1646 | (void) memcpy(string_info->datum,source,string_info->length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1647 | } |
| 1648 | |
| 1649 | /* |
| 1650 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1651 | % % |
| 1652 | % % |
| 1653 | % % |
| 1654 | % S e t S t r i n g I n f o L e n g t h % |
| 1655 | % % |
| 1656 | % % |
| 1657 | % % |
| 1658 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1659 | % |
| 1660 | % SetStringInfoLength() set the string length to the specified value. |
| 1661 | % |
| 1662 | % The format of the SetStringInfoLength method is: |
| 1663 | % |
| 1664 | % void SetStringInfoLength(StringInfo *string_info,const size_t length) |
| 1665 | % |
| 1666 | % A description of each parameter follows: |
| 1667 | % |
| 1668 | % o string_info: the string info. |
| 1669 | % |
| 1670 | % o length: the string length. |
| 1671 | % |
| 1672 | */ |
| 1673 | MagickExport void SetStringInfoLength(StringInfo *string_info, |
| 1674 | const size_t length) |
| 1675 | { |
| 1676 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1677 | assert(string_info != (StringInfo *) NULL); |
| 1678 | assert(string_info->signature == MagickSignature); |
| 1679 | if (~length < MaxTextExtent) |
| 1680 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 1681 | string_info->length=length; |
| 1682 | if (string_info->datum == (unsigned char *) NULL) |
| 1683 | string_info->datum=(unsigned char *) AcquireQuantumMemory(length+ |
| 1684 | MaxTextExtent,sizeof(*string_info->datum)); |
| 1685 | else |
| 1686 | string_info->datum=(unsigned char *) ResizeQuantumMemory(string_info->datum, |
| 1687 | length+MaxTextExtent,sizeof(*string_info->datum)); |
| 1688 | if (string_info->datum == (unsigned char *) NULL) |
| 1689 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 1690 | } |
| 1691 | |
| 1692 | /* |
| 1693 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1694 | % % |
| 1695 | % % |
| 1696 | % % |
| 1697 | % S e t S t r i n g I n f o D a t u m % |
| 1698 | % % |
| 1699 | % % |
| 1700 | % % |
| 1701 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1702 | % |
| 1703 | % SetStringInfoPath() sets the path associated with the string. |
| 1704 | % |
| 1705 | % The format of the SetStringInfoPath method is: |
| 1706 | % |
| 1707 | % void SetStringInfoPath(StringInfo *string_info,const char *path) |
| 1708 | % |
| 1709 | % A description of each parameter follows: |
| 1710 | % |
| 1711 | % o string_info: the string info. |
| 1712 | % |
| 1713 | % o path: the path. |
| 1714 | % |
| 1715 | */ |
| 1716 | MagickExport void SetStringInfoPath(StringInfo *string_info,const char *path) |
| 1717 | { |
| 1718 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1719 | assert(string_info != (StringInfo *) NULL); |
| 1720 | assert(string_info->signature == MagickSignature); |
| 1721 | assert(path != (const char *) NULL); |
| 1722 | (void) CopyMagickString(string_info->path,path,MaxTextExtent); |
| 1723 | } |
| 1724 | |
| 1725 | /* |
| 1726 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1727 | % % |
| 1728 | % % |
| 1729 | % % |
| 1730 | % S p l i t S t r i n g I n f o % |
| 1731 | % % |
| 1732 | % % |
| 1733 | % % |
| 1734 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1735 | % |
| 1736 | % SplitStringInfo() splits a string into two and returns it. |
| 1737 | % |
| 1738 | % The format of the SplitStringInfo method is: |
| 1739 | % |
| 1740 | % StringInfo *SplitStringInfo(StringInfo *string_info,const size_t offset) |
| 1741 | % |
| 1742 | % A description of each parameter follows: |
| 1743 | % |
| 1744 | % o string_info: the string info. |
| 1745 | % |
| 1746 | */ |
| 1747 | MagickExport StringInfo *SplitStringInfo(StringInfo *string_info, |
| 1748 | const size_t offset) |
| 1749 | { |
| 1750 | StringInfo |
| 1751 | *split_info; |
| 1752 | |
| 1753 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1754 | assert(string_info != (StringInfo *) NULL); |
| 1755 | assert(string_info->signature == MagickSignature); |
| 1756 | if (offset > string_info->length) |
| 1757 | return((StringInfo *) NULL); |
| 1758 | split_info=AcquireStringInfo(offset); |
| 1759 | SetStringInfo(split_info,string_info); |
cristy | 1bd862c | 2011-05-21 13:44:38 +0000 | [diff] [blame] | 1760 | (void) memmove(string_info->datum,string_info->datum+offset, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1761 | string_info->length-offset+MaxTextExtent); |
| 1762 | SetStringInfoLength(string_info,string_info->length-offset); |
| 1763 | return(split_info); |
| 1764 | } |
| 1765 | |
| 1766 | /* |
| 1767 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1768 | % % |
| 1769 | % % |
| 1770 | % % |
| 1771 | % S t r i n g I n f o T o S t r i n g % |
| 1772 | % % |
| 1773 | % % |
| 1774 | % % |
| 1775 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1776 | % |
| 1777 | % StringInfoToString() converts a string info string to a C string. |
| 1778 | % |
| 1779 | % The format of the StringInfoToString method is: |
| 1780 | % |
| 1781 | % char *StringInfoToString(const StringInfo *string_info) |
| 1782 | % |
| 1783 | % A description of each parameter follows: |
| 1784 | % |
| 1785 | % o string_info: the string. |
| 1786 | % |
| 1787 | */ |
| 1788 | MagickExport char *StringInfoToString(const StringInfo *string_info) |
| 1789 | { |
| 1790 | char |
| 1791 | *string; |
| 1792 | |
| 1793 | size_t |
| 1794 | length; |
| 1795 | |
| 1796 | string=(char *) NULL; |
| 1797 | length=string_info->length; |
cristy | 37e0b38 | 2011-06-07 13:31:21 +0000 | [diff] [blame] | 1798 | if (~length >= (MaxTextExtent-1)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1799 | string=(char *) AcquireQuantumMemory(length+MaxTextExtent,sizeof(*string)); |
cristy | 208cacf | 2010-09-03 02:24:42 +0000 | [diff] [blame] | 1800 | if (string == (char *) NULL) |
| 1801 | return((char *) NULL); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 1802 | (void) memcpy(string,(char *) string_info->datum,length*sizeof(*string)); |
cristy | 208cacf | 2010-09-03 02:24:42 +0000 | [diff] [blame] | 1803 | string[length]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1804 | return(string); |
| 1805 | } |
| 1806 | |
| 1807 | /* |
| 1808 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1809 | % % |
| 1810 | % % |
| 1811 | % % |
| 1812 | % S t r i n g T o A r g v % |
| 1813 | % % |
| 1814 | % % |
| 1815 | % % |
| 1816 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1817 | % |
| 1818 | % StringToArgv() converts a text string into command line arguments. |
| 1819 | % |
| 1820 | % The format of the StringToArgv method is: |
| 1821 | % |
| 1822 | % char **StringToArgv(const char *text,int *argc) |
| 1823 | % |
| 1824 | % A description of each parameter follows: |
| 1825 | % |
| 1826 | % o argv: Method StringToArgv returns the string list unless an error |
| 1827 | % occurs, otherwise NULL. |
| 1828 | % |
| 1829 | % o text: Specifies the string to segment into a list. |
| 1830 | % |
| 1831 | % o argc: This integer pointer returns the number of arguments in the |
| 1832 | % list. |
| 1833 | % |
| 1834 | */ |
| 1835 | MagickExport char **StringToArgv(const char *text,int *argc) |
| 1836 | { |
| 1837 | char |
| 1838 | **argv; |
| 1839 | |
| 1840 | register const char |
| 1841 | *p, |
| 1842 | *q; |
| 1843 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1844 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1845 | i; |
| 1846 | |
| 1847 | *argc=0; |
| 1848 | if (text == (char *) NULL) |
| 1849 | return((char **) NULL); |
| 1850 | /* |
| 1851 | Determine the number of arguments. |
| 1852 | */ |
| 1853 | for (p=text; *p != '\0'; ) |
| 1854 | { |
| 1855 | while (isspace((int) ((unsigned char) *p)) != 0) |
| 1856 | p++; |
cristy | a20c904 | 2011-05-19 13:22:18 +0000 | [diff] [blame] | 1857 | if (*p == '\0') |
cristy | 74895d3 | 2011-01-22 21:30:47 +0000 | [diff] [blame] | 1858 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1859 | (*argc)++; |
| 1860 | if (*p == '"') |
| 1861 | for (p++; (*p != '"') && (*p != '\0'); p++) ; |
| 1862 | if (*p == '\'') |
| 1863 | for (p++; (*p != '\'') && (*p != '\0'); p++) ; |
| 1864 | while ((isspace((int) ((unsigned char) *p)) == 0) && (*p != '\0')) |
| 1865 | p++; |
| 1866 | } |
| 1867 | (*argc)++; |
cristy | 1b26e1f | 2011-03-25 15:40:56 +0000 | [diff] [blame] | 1868 | argv=(char **) AcquireQuantumMemory((size_t) (*argc+1UL),sizeof(*argv)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1869 | if (argv == (char **) NULL) |
| 1870 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertStringToARGV"); |
| 1871 | /* |
| 1872 | Convert string to an ASCII list. |
| 1873 | */ |
| 1874 | argv[0]=AcquireString("magick"); |
| 1875 | p=text; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1876 | for (i=1; i < (ssize_t) *argc; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1877 | { |
| 1878 | while (isspace((int) ((unsigned char) *p)) != 0) |
| 1879 | p++; |
| 1880 | q=p; |
| 1881 | if (*q == '"') |
| 1882 | { |
| 1883 | p++; |
| 1884 | for (q++; (*q != '"') && (*q != '\0'); q++) ; |
| 1885 | } |
| 1886 | else |
| 1887 | if (*q == '\'') |
| 1888 | { |
cristy | 06b15f4 | 2011-01-22 21:36:24 +0000 | [diff] [blame] | 1889 | p++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1890 | for (q++; (*q != '\'') && (*q != '\0'); q++) ; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1891 | } |
| 1892 | else |
| 1893 | while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0')) |
| 1894 | q++; |
| 1895 | argv[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+MaxTextExtent, |
| 1896 | sizeof(**argv)); |
| 1897 | if (argv[i] == (char *) NULL) |
| 1898 | { |
| 1899 | for (i--; i >= 0; i--) |
| 1900 | argv[i]=DestroyString(argv[i]); |
| 1901 | argv=(char **) RelinquishMagickMemory(argv); |
| 1902 | ThrowFatalException(ResourceLimitFatalError, |
| 1903 | "UnableToConvertStringToARGV"); |
| 1904 | } |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 1905 | (void) memcpy(argv[i],p,(size_t) (q-p)); |
cristy | 208cacf | 2010-09-03 02:24:42 +0000 | [diff] [blame] | 1906 | argv[i][q-p]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1907 | p=q; |
| 1908 | while ((isspace((int) ((unsigned char) *p)) == 0) && (*p != '\0')) |
| 1909 | p++; |
| 1910 | } |
| 1911 | argv[i]=(char *) NULL; |
| 1912 | return(argv); |
| 1913 | } |
| 1914 | |
| 1915 | /* |
| 1916 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1917 | % % |
| 1918 | % % |
| 1919 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1920 | % S t r i n g I n f o T o H e x S t r i n g % |
| 1921 | % % |
| 1922 | % % |
| 1923 | % % |
| 1924 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1925 | % |
| 1926 | % StringInfoToHexString() converts a string info string to a C string. |
| 1927 | % |
| 1928 | % The format of the StringInfoToHexString method is: |
| 1929 | % |
| 1930 | % char *StringInfoToHexString(const StringInfo *string_info) |
| 1931 | % |
| 1932 | % A description of each parameter follows: |
| 1933 | % |
| 1934 | % o string_info: the string. |
| 1935 | % |
| 1936 | */ |
| 1937 | MagickExport char *StringInfoToHexString(const StringInfo *string_info) |
| 1938 | { |
| 1939 | char |
| 1940 | *string; |
| 1941 | |
| 1942 | register const unsigned char |
| 1943 | *p; |
| 1944 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1945 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1946 | i; |
| 1947 | |
| 1948 | register unsigned char |
| 1949 | *q; |
| 1950 | |
| 1951 | size_t |
| 1952 | length; |
| 1953 | |
| 1954 | unsigned char |
| 1955 | hex_digits[16]; |
| 1956 | |
| 1957 | length=string_info->length; |
| 1958 | if (~length < MaxTextExtent) |
| 1959 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
| 1960 | string=(char *) AcquireQuantumMemory(length+MaxTextExtent,2*sizeof(*string)); |
| 1961 | if (string == (char *) NULL) |
| 1962 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
| 1963 | hex_digits[0]='0'; |
| 1964 | hex_digits[1]='1'; |
| 1965 | hex_digits[2]='2'; |
| 1966 | hex_digits[3]='3'; |
| 1967 | hex_digits[4]='4'; |
| 1968 | hex_digits[5]='5'; |
| 1969 | hex_digits[6]='6'; |
| 1970 | hex_digits[7]='7'; |
| 1971 | hex_digits[8]='8'; |
| 1972 | hex_digits[9]='9'; |
| 1973 | hex_digits[10]='a'; |
| 1974 | hex_digits[11]='b'; |
| 1975 | hex_digits[12]='c'; |
| 1976 | hex_digits[13]='d'; |
| 1977 | hex_digits[14]='e'; |
| 1978 | hex_digits[15]='f'; |
| 1979 | p=string_info->datum; |
| 1980 | q=(unsigned char *) string; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1981 | for (i=0; i < (ssize_t) string_info->length; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1982 | { |
| 1983 | *q++=hex_digits[(*p >> 4) & 0x0f]; |
| 1984 | *q++=hex_digits[*p & 0x0f]; |
| 1985 | p++; |
| 1986 | } |
| 1987 | *q='\0'; |
| 1988 | return(string); |
| 1989 | } |
| 1990 | |
| 1991 | /* |
| 1992 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1993 | % % |
| 1994 | % % |
| 1995 | % % |
| 1996 | % S t r i n g T o k e n % |
| 1997 | % % |
| 1998 | % % |
| 1999 | % % |
| 2000 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2001 | % |
| 2002 | % StringToken() extracts a token a from the string. |
| 2003 | % |
| 2004 | % The format of the StringToken method is: |
| 2005 | % |
| 2006 | % char *StringToken(const char *delimiters,char **string) |
| 2007 | % |
| 2008 | % A description of each parameter follows: |
| 2009 | % |
| 2010 | % o delimiters: one or more delimiters. |
| 2011 | % |
| 2012 | % o string: return the first token in the string. If none is found, return |
| 2013 | % NULL. |
| 2014 | % |
| 2015 | */ |
| 2016 | MagickExport char *StringToken(const char *delimiters,char **string) |
| 2017 | { |
| 2018 | char |
| 2019 | *q; |
| 2020 | |
| 2021 | register char |
| 2022 | *p; |
| 2023 | |
| 2024 | register const char |
| 2025 | *r; |
| 2026 | |
| 2027 | register int |
| 2028 | c, |
| 2029 | d; |
| 2030 | |
| 2031 | p=(*string); |
| 2032 | if (p == (char *) NULL) |
| 2033 | return((char *) NULL); |
| 2034 | for (q=p; ; ) |
| 2035 | { |
| 2036 | c=(*p++); |
| 2037 | r=delimiters; |
| 2038 | do |
| 2039 | { |
| 2040 | d=(*r++); |
| 2041 | if (c == d) |
| 2042 | { |
| 2043 | if (c == '\0') |
| 2044 | p=(char *) NULL; |
| 2045 | else |
| 2046 | p[-1]='\0'; |
| 2047 | *string=p; |
| 2048 | return(q); |
| 2049 | } |
| 2050 | } while (d != '\0'); |
| 2051 | } |
| 2052 | } |
| 2053 | |
| 2054 | /* |
| 2055 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2056 | % % |
| 2057 | % % |
| 2058 | % % |
| 2059 | % S t r i n g T o L i s t % |
| 2060 | % % |
| 2061 | % % |
| 2062 | % % |
| 2063 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2064 | % |
| 2065 | % StringToList() converts a text string into a list by segmenting the text |
| 2066 | % string at each carriage return discovered. The list is converted to HEX |
| 2067 | % characters if any control characters are discovered within the text string. |
| 2068 | % |
| 2069 | % The format of the StringToList method is: |
| 2070 | % |
| 2071 | % char **StringToList(const char *text) |
| 2072 | % |
| 2073 | % A description of each parameter follows: |
| 2074 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2075 | % o text: Specifies the string to segment into a list. |
| 2076 | % |
| 2077 | */ |
| 2078 | MagickExport char **StringToList(const char *text) |
| 2079 | { |
| 2080 | char |
| 2081 | **textlist; |
| 2082 | |
| 2083 | register const char |
| 2084 | *p; |
| 2085 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2086 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2087 | i; |
| 2088 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2089 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2090 | lines; |
| 2091 | |
| 2092 | if (text == (char *) NULL) |
| 2093 | return((char **) NULL); |
| 2094 | for (p=text; *p != '\0'; p++) |
| 2095 | if (((int) ((unsigned char) *p) < 32) && |
| 2096 | (isspace((int) ((unsigned char) *p)) == 0)) |
| 2097 | break; |
| 2098 | if (*p == '\0') |
| 2099 | { |
| 2100 | register const char |
| 2101 | *q; |
| 2102 | |
| 2103 | /* |
| 2104 | Convert string to an ASCII list. |
| 2105 | */ |
| 2106 | lines=1; |
| 2107 | for (p=text; *p != '\0'; p++) |
| 2108 | if (*p == '\n') |
| 2109 | lines++; |
| 2110 | textlist=(char **) AcquireQuantumMemory((size_t) lines+1UL, |
| 2111 | sizeof(*textlist)); |
| 2112 | if (textlist == (char **) NULL) |
| 2113 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText"); |
| 2114 | p=text; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2115 | for (i=0; i < (ssize_t) lines; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2116 | { |
| 2117 | for (q=p; *q != '\0'; q++) |
| 2118 | if ((*q == '\r') || (*q == '\n')) |
| 2119 | break; |
| 2120 | textlist[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+MaxTextExtent, |
cristy | 2e25ee6 | 2011-03-25 15:43:12 +0000 | [diff] [blame] | 2121 | sizeof(**textlist)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2122 | if (textlist[i] == (char *) NULL) |
| 2123 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText"); |
cristy | 54aad5e | 2010-09-03 16:02:04 +0000 | [diff] [blame] | 2124 | (void) memcpy(textlist[i],p,(size_t) (q-p)); |
cristy | 208cacf | 2010-09-03 02:24:42 +0000 | [diff] [blame] | 2125 | textlist[i][q-p]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2126 | if (*q == '\r') |
| 2127 | q++; |
| 2128 | p=q+1; |
| 2129 | } |
| 2130 | } |
| 2131 | else |
| 2132 | { |
| 2133 | char |
| 2134 | hex_string[MaxTextExtent]; |
| 2135 | |
| 2136 | register char |
| 2137 | *q; |
| 2138 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2139 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2140 | j; |
| 2141 | |
| 2142 | /* |
| 2143 | Convert string to a HEX list. |
| 2144 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2145 | lines=(size_t) (strlen(text)/0x14)+1; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2146 | textlist=(char **) AcquireQuantumMemory((size_t) lines+1UL, |
| 2147 | sizeof(*textlist)); |
| 2148 | if (textlist == (char **) NULL) |
| 2149 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText"); |
| 2150 | p=text; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2151 | for (i=0; i < (ssize_t) lines; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2152 | { |
| 2153 | textlist[i]=(char *) AcquireQuantumMemory(2UL*MaxTextExtent, |
cristy | 2e25ee6 | 2011-03-25 15:43:12 +0000 | [diff] [blame] | 2154 | sizeof(**textlist)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2155 | if (textlist[i] == (char *) NULL) |
| 2156 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText"); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 2157 | (void) FormatLocaleString(textlist[i],MaxTextExtent,"0x%08lx: ", |
cristy | f1d9124 | 2010-05-28 02:23:19 +0000 | [diff] [blame] | 2158 | (long) (0x14*i)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2159 | q=textlist[i]+strlen(textlist[i]); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2160 | for (j=1; j <= (ssize_t) MagickMin(strlen(p),0x14); j++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2161 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 2162 | (void) FormatLocaleString(hex_string,MaxTextExtent,"%02x",*(p+j)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2163 | (void) CopyMagickString(q,hex_string,MaxTextExtent); |
| 2164 | q+=2; |
| 2165 | if ((j % 0x04) == 0) |
| 2166 | *q++=' '; |
| 2167 | } |
| 2168 | for ( ; j <= 0x14; j++) |
| 2169 | { |
| 2170 | *q++=' '; |
| 2171 | *q++=' '; |
| 2172 | if ((j % 0x04) == 0) |
| 2173 | *q++=' '; |
| 2174 | } |
| 2175 | *q++=' '; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2176 | for (j=1; j <= (ssize_t) MagickMin(strlen(p),0x14); j++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2177 | { |
| 2178 | if (isprint((int) ((unsigned char) *p)) != 0) |
| 2179 | *q++=(*p); |
| 2180 | else |
| 2181 | *q++='-'; |
| 2182 | p++; |
| 2183 | } |
| 2184 | *q='\0'; |
| 2185 | } |
| 2186 | } |
| 2187 | textlist[i]=(char *) NULL; |
| 2188 | return(textlist); |
| 2189 | } |
| 2190 | |
| 2191 | /* |
| 2192 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2193 | % % |
| 2194 | % % |
| 2195 | % % |
| 2196 | % S t r i n g T o S t r i n g I n f o % |
| 2197 | % % |
| 2198 | % % |
| 2199 | % % |
| 2200 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2201 | % |
cristy | bca58f3 | 2011-08-21 14:48:50 +0000 | [diff] [blame] | 2202 | % StringToStringInfo() converts a string to a StringInfo type. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2203 | % |
| 2204 | % The format of the StringToStringInfo method is: |
| 2205 | % |
| 2206 | % StringInfo *StringToStringInfo(const char *string) |
| 2207 | % |
| 2208 | % A description of each parameter follows: |
| 2209 | % |
| 2210 | % o string: The string. |
| 2211 | % |
| 2212 | */ |
| 2213 | MagickExport StringInfo *StringToStringInfo(const char *string) |
| 2214 | { |
| 2215 | StringInfo |
| 2216 | *string_info; |
| 2217 | |
| 2218 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2219 | assert(string != (const char *) NULL); |
cristy | bca58f3 | 2011-08-21 14:48:50 +0000 | [diff] [blame] | 2220 | string_info=AcquireStringInfo(strlen(string)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2221 | SetStringInfoDatum(string_info,(const unsigned char *) string); |
| 2222 | return(string_info); |
| 2223 | } |
| 2224 | |
| 2225 | /* |
| 2226 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2227 | % % |
| 2228 | % % |
| 2229 | % % |
| 2230 | % S t r i p S t r i n g % |
| 2231 | % % |
| 2232 | % % |
| 2233 | % % |
| 2234 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2235 | % |
| 2236 | % StripString() strips any whitespace or quotes from the beginning and end of |
| 2237 | % a string of characters. |
| 2238 | % |
| 2239 | % The format of the StripString method is: |
| 2240 | % |
| 2241 | % void StripString(char *message) |
| 2242 | % |
| 2243 | % A description of each parameter follows: |
| 2244 | % |
| 2245 | % o message: Specifies an array of characters. |
| 2246 | % |
| 2247 | */ |
| 2248 | MagickExport void StripString(char *message) |
| 2249 | { |
| 2250 | register char |
| 2251 | *p, |
| 2252 | *q; |
| 2253 | |
| 2254 | size_t |
| 2255 | length; |
| 2256 | |
| 2257 | assert(message != (char *) NULL); |
| 2258 | if (*message == '\0') |
| 2259 | return; |
| 2260 | length=strlen(message); |
| 2261 | p=message; |
| 2262 | while (isspace((int) ((unsigned char) *p)) != 0) |
| 2263 | p++; |
| 2264 | if ((*p == '\'') || (*p == '"')) |
| 2265 | p++; |
| 2266 | q=message+length-1; |
| 2267 | while ((isspace((int) ((unsigned char) *q)) != 0) && (q > p)) |
| 2268 | q--; |
| 2269 | if (q > p) |
| 2270 | if ((*q == '\'') || (*q == '"')) |
| 2271 | q--; |
cristy | a63c1ba | 2011-06-02 20:33:43 +0000 | [diff] [blame] | 2272 | (void) memmove(message,p,(size_t) (q-p+1)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2273 | message[q-p+1]='\0'; |
| 2274 | for (p=message; *p != '\0'; p++) |
| 2275 | if (*p == '\n') |
| 2276 | *p=' '; |
| 2277 | } |
| 2278 | |
| 2279 | /* |
| 2280 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2281 | % % |
| 2282 | % % |
| 2283 | % % |
| 2284 | % S u b s t i t u t e S t r i n g % |
| 2285 | % % |
| 2286 | % % |
| 2287 | % % |
| 2288 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2289 | % |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2290 | % SubstituteString() performs string substitution on a string, replacing the |
| 2291 | % string with the substituted version. Buffer must be allocated from the heap. |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2292 | % If the string is matched and status, MagickTrue is returned otherwise |
| 2293 | % MagickFalse. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2294 | % |
| 2295 | % The format of the SubstituteString method is: |
| 2296 | % |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2297 | % MagickBooleanType SubstituteString(char **string,const char *search, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2298 | % const char *replace) |
| 2299 | % |
| 2300 | % A description of each parameter follows: |
| 2301 | % |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2302 | % o string: the string to perform replacements on; replaced with new |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2303 | % allocation if a replacement is made. |
| 2304 | % |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2305 | % o search: search for this string. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2306 | % |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2307 | % o replace: replace any matches with this string. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2308 | % |
| 2309 | */ |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2310 | MagickExport MagickBooleanType SubstituteString(char **string, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2311 | const char *search,const char *replace) |
| 2312 | { |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2313 | MagickBooleanType |
| 2314 | status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2315 | |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2316 | register char |
| 2317 | *p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2318 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2319 | size_t |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2320 | extent, |
| 2321 | replace_extent, |
| 2322 | search_extent; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2323 | |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2324 | ssize_t |
| 2325 | offset; |
| 2326 | |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2327 | status=MagickFalse; |
| 2328 | search_extent=0, |
| 2329 | replace_extent=0; |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2330 | for (p=strchr(*string,*search); p != (char *) NULL; p=strchr(p+1,*search)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2331 | { |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2332 | if (search_extent == 0) |
| 2333 | search_extent=strlen(search); |
| 2334 | if (strncmp(p,search,search_extent) != 0) |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2335 | continue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2336 | /* |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2337 | We found a match. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2338 | */ |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2339 | status=MagickTrue; |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2340 | if (replace_extent == 0) |
| 2341 | replace_extent=strlen(replace); |
| 2342 | if (replace_extent > search_extent) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2343 | { |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2344 | /* |
| 2345 | Make room for the replacement string. |
| 2346 | */ |
cristy | de58b41 | 2010-02-18 03:53:40 +0000 | [diff] [blame] | 2347 | offset=(ssize_t) (p-(*string)); |
cristy | e08c3b8 | 2009-10-06 14:58:14 +0000 | [diff] [blame] | 2348 | extent=strlen(*string)+replace_extent-search_extent+1; |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2349 | *string=(char *) ResizeQuantumMemory(*string,extent+MaxTextExtent, |
| 2350 | sizeof(*p)); |
| 2351 | if (*string == (char *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2352 | ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString"); |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2353 | p=(*string)+offset; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2354 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2355 | /* |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2356 | Replace string. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2357 | */ |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2358 | if (search_extent != replace_extent) |
cristy | 0a9b372 | 2010-10-23 18:45:49 +0000 | [diff] [blame] | 2359 | (void) CopyMagickMemory(p+replace_extent,p+search_extent, |
| 2360 | strlen(p+search_extent)+1); |
| 2361 | (void) CopyMagickMemory(p,replace,replace_extent); |
cristy | f1b72c1 | 2009-10-06 13:25:21 +0000 | [diff] [blame] | 2362 | p+=replace_extent-1; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2363 | } |
cristy | bc3392a | 2009-10-06 03:15:57 +0000 | [diff] [blame] | 2364 | return(status); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2365 | } |