| File: | src/fcstr.c |
| Location: | line 714, column 40 |
| Description: | Value stored to 'len' is never read |
| 1 | /* |
| 2 | * fontconfig/src/fcstr.c |
| 3 | * |
| 4 | * Copyright © 2000 Keith Packard |
| 5 | * |
| 6 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 7 | * documentation for any purpose is hereby granted without fee, provided that |
| 8 | * the above copyright notice appear in all copies and that both that |
| 9 | * copyright notice and this permission notice appear in supporting |
| 10 | * documentation, and that the name of the author(s) not be used in |
| 11 | * advertising or publicity pertaining to distribution of the software without |
| 12 | * specific, written prior permission. The authors make no |
| 13 | * representations about the suitability of this software for any purpose. It |
| 14 | * is provided "as is" without express or implied warranty. |
| 15 | * |
| 16 | * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 18 | * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 22 | * PERFORMANCE OF THIS SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #include "fcint.h" |
| 26 | #include <stdlib.h> |
| 27 | #include <ctype.h> |
| 28 | #include <string.h> |
| 29 | #ifdef HAVE_REGEX_H1 |
| 30 | #include <regex.h> |
| 31 | #endif |
| 32 | #ifdef _WIN32 |
| 33 | #include <windows.h> |
| 34 | #endif |
| 35 | |
| 36 | FcChar8 * |
| 37 | FcStrCopy (const FcChar8 *s) |
| 38 | { |
| 39 | int len; |
| 40 | FcChar8 *r; |
| 41 | |
| 42 | if (!s) |
| 43 | return 0; |
| 44 | len = strlen ((char *) s) + 1; |
| 45 | r = (FcChar8 *) malloc (len); |
| 46 | if (!r) |
| 47 | return 0; |
| 48 | FcMemAlloc (FC_MEM_STRING11, len); |
| 49 | memcpy (r, s, len); |
| 50 | return r; |
| 51 | } |
| 52 | |
| 53 | FcChar8 * |
| 54 | FcStrPlus (const FcChar8 *s1, const FcChar8 *s2) |
| 55 | { |
| 56 | int s1l = strlen ((char *) s1); |
| 57 | int s2l = strlen ((char *) s2); |
| 58 | int l = s1l + s2l + 1; |
| 59 | FcChar8 *s = malloc (l); |
| 60 | |
| 61 | if (!s) |
| 62 | return 0; |
| 63 | FcMemAlloc (FC_MEM_STRING11, l); |
| 64 | memcpy (s, s1, s1l); |
| 65 | memcpy (s + s1l, s2, s2l + 1); |
| 66 | return s; |
| 67 | } |
| 68 | |
| 69 | void |
| 70 | FcStrFree (FcChar8 *s) |
| 71 | { |
| 72 | FcMemFree (FC_MEM_STRING11, strlen ((char *) s) + 1); |
| 73 | free (s); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | #include "../fc-case/fccase.h" |
| 78 | |
| 79 | #define FcCaseFoldUpperCount(cf)((cf)->method == 2 ? 1 : (cf)->count) \ |
| 80 | ((cf)->method == FC_CASE_FOLD_FULL2 ? 1 : (cf)->count) |
| 81 | |
| 82 | #define FC_STR_CANON_BUF_LEN1024 1024 |
| 83 | |
| 84 | typedef struct _FcCaseWalker { |
| 85 | const FcChar8 *read; |
| 86 | const FcChar8 *src; |
| 87 | FcChar8 utf8[FC_MAX_CASE_FOLD_CHARS6 + 1]; |
| 88 | } FcCaseWalker; |
| 89 | |
| 90 | static void |
| 91 | FcStrCaseWalkerInit (const FcChar8 *src, FcCaseWalker *w) |
| 92 | { |
| 93 | w->src = src; |
| 94 | w->read = 0; |
| 95 | } |
| 96 | |
| 97 | static FcChar8 |
| 98 | FcStrCaseWalkerLong (FcCaseWalker *w, FcChar8 r) |
| 99 | { |
| 100 | FcChar32 ucs4; |
| 101 | int slen; |
| 102 | int len = strlen((char*)w->src); |
| 103 | |
| 104 | slen = FcUtf8ToUcs4 (w->src - 1, &ucs4, len + 1); |
| 105 | if (slen <= 0) |
| 106 | return r; |
| 107 | if (FC_MIN_FOLD_CHAR0x00000041 <= ucs4 && ucs4 <= FC_MAX_FOLD_CHAR0x00010427) |
| 108 | { |
| 109 | int min = 0; |
| 110 | int max = FC_NUM_CASE_FOLD264; |
| 111 | |
| 112 | while (min <= max) |
| 113 | { |
| 114 | int mid = (min + max) >> 1; |
| 115 | FcChar32 low = fcCaseFold[mid].upper; |
| 116 | FcChar32 high = low + FcCaseFoldUpperCount (&fcCaseFold[mid])((&fcCaseFold[mid])->method == 2 ? 1 : (&fcCaseFold [mid])->count); |
| 117 | |
| 118 | if (high <= ucs4) |
| 119 | min = mid + 1; |
| 120 | else if (ucs4 < low) |
| 121 | max = mid - 1; |
| 122 | else |
| 123 | { |
| 124 | const FcCaseFold *fold = &fcCaseFold[mid]; |
| 125 | int dlen; |
| 126 | |
| 127 | switch (fold->method) { |
| 128 | case FC_CASE_FOLD_EVEN_ODD1: |
| 129 | if ((ucs4 & 1) != (fold->upper & 1)) |
| 130 | return r; |
| 131 | /* fall through ... */ |
| 132 | default: |
| 133 | dlen = FcUcs4ToUtf8 (ucs4 + fold->offset, w->utf8); |
| 134 | break; |
| 135 | case FC_CASE_FOLD_FULL2: |
| 136 | dlen = fold->count; |
| 137 | memcpy (w->utf8, fcCaseFoldChars + fold->offset, dlen); |
| 138 | break; |
| 139 | } |
| 140 | |
| 141 | /* consume rest of src utf-8 bytes */ |
| 142 | w->src += slen - 1; |
| 143 | |
| 144 | /* read from temp buffer */ |
| 145 | w->utf8[dlen] = '\0'; |
| 146 | w->read = w->utf8; |
| 147 | return *w->read++; |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | return r; |
| 152 | } |
| 153 | |
| 154 | static FcChar8 |
| 155 | FcStrCaseWalkerNext (FcCaseWalker *w) |
| 156 | { |
| 157 | FcChar8 r; |
| 158 | |
| 159 | if (w->read) |
| 160 | { |
| 161 | if ((r = *w->read++)) |
| 162 | return r; |
| 163 | w->read = 0; |
| 164 | } |
| 165 | r = *w->src++; |
| 166 | |
| 167 | if ((r & 0xc0) == 0xc0) |
| 168 | return FcStrCaseWalkerLong (w, r); |
| 169 | if ('A' <= r && r <= 'Z') |
| 170 | r = r - 'A' + 'a'; |
| 171 | return r; |
| 172 | } |
| 173 | |
| 174 | static FcChar8 |
| 175 | FcStrCaseWalkerNextIgnoreBlanks (FcCaseWalker *w) |
| 176 | { |
| 177 | FcChar8 r; |
| 178 | |
| 179 | if (w->read) |
| 180 | { |
| 181 | if ((r = *w->read++)) |
| 182 | return r; |
| 183 | w->read = 0; |
| 184 | } |
| 185 | do |
| 186 | { |
| 187 | r = *w->src++; |
| 188 | } while (r == ' '); |
| 189 | |
| 190 | if ((r & 0xc0) == 0xc0) |
| 191 | return FcStrCaseWalkerLong (w, r); |
| 192 | if ('A' <= r && r <= 'Z') |
| 193 | r = r - 'A' + 'a'; |
| 194 | return r; |
| 195 | } |
| 196 | |
| 197 | FcChar8 * |
| 198 | FcStrDowncase (const FcChar8 *s) |
| 199 | { |
| 200 | FcCaseWalker w; |
| 201 | int len = 0; |
| 202 | FcChar8 *dst, *d; |
| 203 | |
| 204 | FcStrCaseWalkerInit (s, &w); |
| 205 | while (FcStrCaseWalkerNext (&w)) |
| 206 | len++; |
| 207 | d = dst = malloc (len + 1); |
| 208 | if (!d) |
| 209 | return 0; |
| 210 | FcMemAlloc (FC_MEM_STRING11, len + 1); |
| 211 | FcStrCaseWalkerInit (s, &w); |
| 212 | while ((*d++ = FcStrCaseWalkerNext (&w))); |
| 213 | return dst; |
| 214 | } |
| 215 | |
| 216 | int |
| 217 | FcStrCmpIgnoreCase (const FcChar8 *s1, const FcChar8 *s2) |
| 218 | { |
| 219 | FcCaseWalker w1, w2; |
| 220 | FcChar8 c1, c2; |
| 221 | |
| 222 | if (s1 == s2) return 0; |
| 223 | |
| 224 | FcStrCaseWalkerInit (s1, &w1); |
| 225 | FcStrCaseWalkerInit (s2, &w2); |
| 226 | |
| 227 | for (;;) |
| 228 | { |
| 229 | c1 = FcStrCaseWalkerNext (&w1); |
| 230 | c2 = FcStrCaseWalkerNext (&w2); |
| 231 | if (!c1 || (c1 != c2)) |
| 232 | break; |
| 233 | } |
| 234 | return (int) c1 - (int) c2; |
| 235 | } |
| 236 | |
| 237 | int |
| 238 | FcStrCmpIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2) |
| 239 | { |
| 240 | FcCaseWalker w1, w2; |
| 241 | FcChar8 c1, c2; |
| 242 | |
| 243 | if (s1 == s2) return 0; |
| 244 | |
| 245 | FcStrCaseWalkerInit (s1, &w1); |
| 246 | FcStrCaseWalkerInit (s2, &w2); |
| 247 | |
| 248 | for (;;) |
| 249 | { |
| 250 | c1 = FcStrCaseWalkerNextIgnoreBlanks (&w1); |
| 251 | c2 = FcStrCaseWalkerNextIgnoreBlanks (&w2); |
| 252 | if (!c1 || (c1 != c2)) |
| 253 | break; |
| 254 | } |
| 255 | return (int) c1 - (int) c2; |
| 256 | } |
| 257 | |
| 258 | int |
| 259 | FcStrCmp (const FcChar8 *s1, const FcChar8 *s2) |
| 260 | { |
| 261 | FcChar8 c1, c2; |
| 262 | |
| 263 | if (s1 == s2) |
| 264 | return 0; |
| 265 | for (;;) |
| 266 | { |
| 267 | c1 = *s1++; |
| 268 | c2 = *s2++; |
| 269 | if (!c1 || c1 != c2) |
| 270 | break; |
| 271 | } |
| 272 | return (int) c1 - (int) c2; |
| 273 | } |
| 274 | |
| 275 | #ifdef USE_REGEX |
| 276 | static FcBool |
| 277 | _FcStrRegexCmp (const FcChar8 *s, const FcChar8 *regex, int cflags, int eflags) |
| 278 | { |
| 279 | int ret = -1; |
| 280 | regex_t reg; |
| 281 | |
| 282 | if ((ret = regcomp (®, (const char *)regex, cflags)) != 0) |
| 283 | { |
| 284 | if (FcDebug ()(FcDebugVal) & FC_DBG_MATCHV2) |
| 285 | { |
| 286 | char buf[512]; |
| 287 | |
| 288 | regerror (ret, ®, buf, 512); |
| 289 | printf("Regexp compile error: %s\n", buf); |
| 290 | } |
| 291 | return FcFalse0; |
| 292 | } |
| 293 | ret = regexec (®, (const char *)s, 0, NULL((void*)0), eflags); |
| 294 | if (ret != 0) |
| 295 | { |
| 296 | if (FcDebug ()(FcDebugVal) & FC_DBG_MATCHV2) |
| 297 | { |
| 298 | char buf[512]; |
| 299 | |
| 300 | regerror (ret, ®, buf, 512); |
| 301 | printf("Regexp exec error: %s\n", buf); |
| 302 | } |
| 303 | } |
| 304 | regfree (®); |
| 305 | |
| 306 | return ret == 0 ? FcTrue1 : FcFalse0; |
| 307 | } |
| 308 | #else |
| 309 | # define _FcStrRegexCmp(_s_, _regex_, _cflags_, _eflags_) (FcFalse0) |
| 310 | #endif |
| 311 | |
| 312 | FcBool |
| 313 | FcStrRegexCmp (const FcChar8 *s, const FcChar8 *regex) |
| 314 | { |
| 315 | return _FcStrRegexCmp (s, regex, REG_EXTENDED1 | REG_NOSUB(((1 << 1) << 1) << 1), 0); |
| 316 | } |
| 317 | |
| 318 | FcBool |
| 319 | FcStrRegexCmpIgnoreCase (const FcChar8 *s, const FcChar8 *regex) |
| 320 | { |
| 321 | return _FcStrRegexCmp (s, regex, REG_EXTENDED1 | REG_NOSUB(((1 << 1) << 1) << 1) | REG_ICASE(1 << 1), 0); |
| 322 | } |
| 323 | |
| 324 | /* |
| 325 | * Return a hash value for a string |
| 326 | */ |
| 327 | |
| 328 | FcChar32 |
| 329 | FcStrHashIgnoreCase (const FcChar8 *s) |
| 330 | { |
| 331 | FcChar32 h = 0; |
| 332 | FcCaseWalker w; |
| 333 | FcChar8 c; |
| 334 | |
| 335 | FcStrCaseWalkerInit (s, &w); |
| 336 | while ((c = FcStrCaseWalkerNext (&w))) |
| 337 | h = ((h << 3) ^ (h >> 3)) ^ c; |
| 338 | return h; |
| 339 | } |
| 340 | |
| 341 | /* |
| 342 | * Is the head of s1 equal to s2? |
| 343 | */ |
| 344 | |
| 345 | static FcBool |
| 346 | FcStrIsAtIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2) |
| 347 | { |
| 348 | FcCaseWalker w1, w2; |
| 349 | FcChar8 c1, c2; |
| 350 | |
| 351 | FcStrCaseWalkerInit (s1, &w1); |
| 352 | FcStrCaseWalkerInit (s2, &w2); |
| 353 | |
| 354 | for (;;) |
| 355 | { |
| 356 | c1 = FcStrCaseWalkerNextIgnoreBlanks (&w1); |
| 357 | c2 = FcStrCaseWalkerNextIgnoreBlanks (&w2); |
| 358 | if (!c1 || (c1 != c2)) |
| 359 | break; |
| 360 | } |
| 361 | return c1 == c2 || !c2; |
| 362 | } |
| 363 | |
| 364 | /* |
| 365 | * Does s1 contain an instance of s2 (ignoring blanks and case)? |
| 366 | */ |
| 367 | |
| 368 | const FcChar8 * |
| 369 | FcStrContainsIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2) |
| 370 | { |
| 371 | while (*s1) |
| 372 | { |
| 373 | if (FcStrIsAtIgnoreBlanksAndCase (s1, s2)) |
| 374 | return s1; |
| 375 | s1++; |
| 376 | } |
| 377 | return 0; |
| 378 | } |
| 379 | |
| 380 | static FcBool |
| 381 | FcCharIsPunct (const FcChar8 c) |
| 382 | { |
| 383 | if (c < '0') |
| 384 | return FcTrue1; |
| 385 | if (c <= '9') |
| 386 | return FcFalse0; |
| 387 | if (c < 'A') |
| 388 | return FcTrue1; |
| 389 | if (c <= 'Z') |
| 390 | return FcFalse0; |
| 391 | if (c < 'a') |
| 392 | return FcTrue1; |
| 393 | if (c <= 'z') |
| 394 | return FcFalse0; |
| 395 | if (c <= '~') |
| 396 | return FcTrue1; |
| 397 | return FcFalse0; |
| 398 | } |
| 399 | |
| 400 | /* |
| 401 | * Is the head of s1 equal to s2? |
| 402 | */ |
| 403 | |
| 404 | static FcBool |
| 405 | FcStrIsAtIgnoreCase (const FcChar8 *s1, const FcChar8 *s2) |
| 406 | { |
| 407 | FcCaseWalker w1, w2; |
| 408 | FcChar8 c1, c2; |
| 409 | |
| 410 | FcStrCaseWalkerInit (s1, &w1); |
| 411 | FcStrCaseWalkerInit (s2, &w2); |
| 412 | |
| 413 | for (;;) |
| 414 | { |
| 415 | c1 = FcStrCaseWalkerNext (&w1); |
| 416 | c2 = FcStrCaseWalkerNext (&w2); |
| 417 | if (!c1 || (c1 != c2)) |
| 418 | break; |
| 419 | } |
| 420 | return c1 == c2 || !c2; |
| 421 | } |
| 422 | |
| 423 | /* |
| 424 | * Does s1 contain an instance of s2 (ignoring blanks and case)? |
| 425 | */ |
| 426 | |
| 427 | const FcChar8 * |
| 428 | FcStrContainsIgnoreCase (const FcChar8 *s1, const FcChar8 *s2) |
| 429 | { |
| 430 | while (*s1) |
| 431 | { |
| 432 | if (FcStrIsAtIgnoreCase (s1, s2)) |
| 433 | return s1; |
| 434 | s1++; |
| 435 | } |
| 436 | return 0; |
| 437 | } |
| 438 | |
| 439 | /* |
| 440 | * Does s1 contain an instance of s2 on a word boundary (ignoring case)? |
| 441 | */ |
| 442 | |
| 443 | const FcChar8 * |
| 444 | FcStrContainsWord (const FcChar8 *s1, const FcChar8 *s2) |
| 445 | { |
| 446 | FcBool wordStart = FcTrue1; |
| 447 | int s1len = strlen ((char *) s1); |
| 448 | int s2len = strlen ((char *) s2); |
| 449 | |
| 450 | while (s1len >= s2len) |
| 451 | { |
| 452 | if (wordStart && |
| 453 | FcStrIsAtIgnoreCase (s1, s2) && |
| 454 | (s1len == s2len || FcCharIsPunct (s1[s2len]))) |
| 455 | { |
| 456 | return s1; |
| 457 | } |
| 458 | wordStart = FcFalse0; |
| 459 | if (FcCharIsPunct (*s1)) |
| 460 | wordStart = FcTrue1; |
| 461 | s1++; |
| 462 | s1len--; |
| 463 | } |
| 464 | return 0; |
| 465 | } |
| 466 | |
| 467 | const FcChar8 * |
| 468 | FcStrStrIgnoreCase (const FcChar8 *s1, const FcChar8 *s2) |
| 469 | { |
| 470 | FcCaseWalker w1, w2; |
| 471 | FcChar8 c1, c2; |
| 472 | const FcChar8 *cur; |
| 473 | |
| 474 | if (!s1 || !s2) |
| 475 | return 0; |
| 476 | |
| 477 | if (s1 == s2) |
| 478 | return s1; |
| 479 | |
| 480 | FcStrCaseWalkerInit (s1, &w1); |
| 481 | FcStrCaseWalkerInit (s2, &w2); |
| 482 | |
| 483 | c2 = FcStrCaseWalkerNext (&w2); |
| 484 | |
| 485 | for (;;) |
| 486 | { |
| 487 | cur = w1.src; |
| 488 | c1 = FcStrCaseWalkerNext (&w1); |
| 489 | if (!c1) |
| 490 | break; |
| 491 | if (c1 == c2) |
| 492 | { |
| 493 | FcCaseWalker w1t = w1; |
| 494 | FcCaseWalker w2t = w2; |
| 495 | FcChar8 c1t, c2t; |
| 496 | |
| 497 | for (;;) |
| 498 | { |
| 499 | c1t = FcStrCaseWalkerNext (&w1t); |
| 500 | c2t = FcStrCaseWalkerNext (&w2t); |
| 501 | |
| 502 | if (!c2t) |
| 503 | return cur; |
| 504 | if (c2t != c1t) |
| 505 | break; |
| 506 | } |
| 507 | } |
| 508 | } |
| 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | const FcChar8 * |
| 513 | FcStrStr (const FcChar8 *s1, const FcChar8 *s2) |
| 514 | { |
| 515 | FcChar8 c1, c2; |
| 516 | const FcChar8 * p = s1; |
| 517 | const FcChar8 * b = s2; |
| 518 | |
| 519 | if (!s1 || !s2) |
| 520 | return 0; |
| 521 | |
| 522 | if (s1 == s2) |
| 523 | return s1; |
| 524 | |
| 525 | again: |
| 526 | c2 = *s2++; |
| 527 | |
| 528 | if (!c2) |
| 529 | return 0; |
| 530 | |
| 531 | for (;;) |
| 532 | { |
| 533 | p = s1; |
| 534 | c1 = *s1++; |
| 535 | if (!c1 || c1 == c2) |
| 536 | break; |
| 537 | } |
| 538 | |
| 539 | if (c1 != c2) |
| 540 | return 0; |
| 541 | |
| 542 | for (;;) |
| 543 | { |
| 544 | c1 = *s1; |
| 545 | c2 = *s2; |
| 546 | if (c1 && c2 && c1 != c2) |
| 547 | { |
| 548 | s1 = p + 1; |
| 549 | s2 = b; |
| 550 | goto again; |
| 551 | } |
| 552 | if (!c2) |
| 553 | return p; |
| 554 | if (!c1) |
| 555 | return 0; |
| 556 | ++ s1; |
| 557 | ++ s2; |
| 558 | } |
| 559 | /* never reached. */ |
| 560 | } |
| 561 | |
| 562 | int |
| 563 | FcUtf8ToUcs4 (const FcChar8 *src_orig, |
| 564 | FcChar32 *dst, |
| 565 | int len) |
| 566 | { |
| 567 | const FcChar8 *src = src_orig; |
| 568 | FcChar8 s; |
| 569 | int extra; |
| 570 | FcChar32 result; |
| 571 | |
| 572 | if (len == 0) |
| 573 | return 0; |
| 574 | |
| 575 | s = *src++; |
| 576 | len--; |
| 577 | |
| 578 | if (!(s & 0x80)) |
| 579 | { |
| 580 | result = s; |
| 581 | extra = 0; |
| 582 | } |
| 583 | else if (!(s & 0x40)) |
| 584 | { |
| 585 | return -1; |
| 586 | } |
| 587 | else if (!(s & 0x20)) |
| 588 | { |
| 589 | result = s & 0x1f; |
| 590 | extra = 1; |
| 591 | } |
| 592 | else if (!(s & 0x10)) |
| 593 | { |
| 594 | result = s & 0xf; |
| 595 | extra = 2; |
| 596 | } |
| 597 | else if (!(s & 0x08)) |
| 598 | { |
| 599 | result = s & 0x07; |
| 600 | extra = 3; |
| 601 | } |
| 602 | else if (!(s & 0x04)) |
| 603 | { |
| 604 | result = s & 0x03; |
| 605 | extra = 4; |
| 606 | } |
| 607 | else if ( ! (s & 0x02)) |
| 608 | { |
| 609 | result = s & 0x01; |
| 610 | extra = 5; |
| 611 | } |
| 612 | else |
| 613 | { |
| 614 | return -1; |
| 615 | } |
| 616 | if (extra > len) |
| 617 | return -1; |
| 618 | |
| 619 | while (extra--) |
| 620 | { |
| 621 | result <<= 6; |
| 622 | s = *src++; |
| 623 | |
| 624 | if ((s & 0xc0) != 0x80) |
| 625 | return -1; |
| 626 | |
| 627 | result |= s & 0x3f; |
| 628 | } |
| 629 | *dst = result; |
| 630 | return src - src_orig; |
| 631 | } |
| 632 | |
| 633 | FcBool |
| 634 | FcUtf8Len (const FcChar8 *string, |
| 635 | int len, |
| 636 | int *nchar, |
| 637 | int *wchar) |
| 638 | { |
| 639 | int n; |
| 640 | int clen; |
| 641 | FcChar32 c; |
| 642 | FcChar32 max; |
| 643 | |
| 644 | n = 0; |
| 645 | max = 0; |
| 646 | while (len) |
| 647 | { |
| 648 | clen = FcUtf8ToUcs4 (string, &c, len); |
| 649 | if (clen <= 0) /* malformed UTF8 string */ |
| 650 | return FcFalse0; |
| 651 | if (c > max) |
| 652 | max = c; |
| 653 | string += clen; |
| 654 | len -= clen; |
| 655 | n++; |
| 656 | } |
| 657 | *nchar = n; |
| 658 | if (max >= 0x10000) |
| 659 | *wchar = 4; |
| 660 | else if (max > 0x100) |
| 661 | *wchar = 2; |
| 662 | else |
| 663 | *wchar = 1; |
| 664 | return FcTrue1; |
| 665 | } |
| 666 | |
| 667 | int |
| 668 | FcUcs4ToUtf8 (FcChar32 ucs4, |
| 669 | FcChar8 dest[FC_UTF8_MAX_LEN6]) |
| 670 | { |
| 671 | int bits; |
| 672 | FcChar8 *d = dest; |
| 673 | |
| 674 | if (ucs4 < 0x80) { *d++= ucs4; bits= -6; } |
| 675 | else if (ucs4 < 0x800) { *d++= ((ucs4 >> 6) & 0x1F) | 0xC0; bits= 0; } |
| 676 | else if (ucs4 < 0x10000) { *d++= ((ucs4 >> 12) & 0x0F) | 0xE0; bits= 6; } |
| 677 | else if (ucs4 < 0x200000) { *d++= ((ucs4 >> 18) & 0x07) | 0xF0; bits= 12; } |
| 678 | else if (ucs4 < 0x4000000) { *d++= ((ucs4 >> 24) & 0x03) | 0xF8; bits= 18; } |
| 679 | else if (ucs4 < 0x80000000) { *d++= ((ucs4 >> 30) & 0x01) | 0xFC; bits= 24; } |
| 680 | else return 0; |
| 681 | |
| 682 | for ( ; bits >= 0; bits-= 6) { |
| 683 | *d++= ((ucs4 >> bits) & 0x3F) | 0x80; |
| 684 | } |
| 685 | return d - dest; |
| 686 | } |
| 687 | |
| 688 | #define GetUtf16(src,endian)((FcChar16) ((src)[endian == FcEndianBig ? 0 : 1] << 8) | (FcChar16) ((src)[endian == FcEndianBig ? 1 : 0])) \ |
| 689 | ((FcChar16) ((src)[endian == FcEndianBig ? 0 : 1] << 8) | \ |
| 690 | (FcChar16) ((src)[endian == FcEndianBig ? 1 : 0])) |
| 691 | |
| 692 | int |
| 693 | FcUtf16ToUcs4 (const FcChar8 *src_orig, |
| 694 | FcEndian endian, |
| 695 | FcChar32 *dst, |
| 696 | int len) /* in bytes */ |
| 697 | { |
| 698 | const FcChar8 *src = src_orig; |
| 699 | FcChar16 a, b; |
| 700 | FcChar32 result; |
| 701 | |
| 702 | if (len < 2) |
| 703 | return 0; |
| 704 | |
| 705 | a = GetUtf16 (src, endian)((FcChar16) ((src)[endian == FcEndianBig ? 0 : 1] << 8) | (FcChar16) ((src)[endian == FcEndianBig ? 1 : 0])); src += 2; len -= 2; |
| 706 | |
| 707 | /* |
| 708 | * Check for surrogate |
| 709 | */ |
| 710 | if ((a & 0xfc00) == 0xd800) |
| 711 | { |
| 712 | if (len < 2) |
| 713 | return 0; |
| 714 | b = GetUtf16 (src, endian)((FcChar16) ((src)[endian == FcEndianBig ? 0 : 1] << 8) | (FcChar16) ((src)[endian == FcEndianBig ? 1 : 0])); src += 2; len -= 2; |
Value stored to 'len' is never read | |
| 715 | /* |
| 716 | * Check for invalid surrogate sequence |
| 717 | */ |
| 718 | if ((b & 0xfc00) != 0xdc00) |
| 719 | return 0; |
| 720 | result = ((((FcChar32) a & 0x3ff) << 10) | |
| 721 | ((FcChar32) b & 0x3ff)) + 0x10000; |
| 722 | } |
| 723 | else |
| 724 | result = a; |
| 725 | *dst = result; |
| 726 | return src - src_orig; |
| 727 | } |
| 728 | |
| 729 | FcBool |
| 730 | FcUtf16Len (const FcChar8 *string, |
| 731 | FcEndian endian, |
| 732 | int len, /* in bytes */ |
| 733 | int *nchar, |
| 734 | int *wchar) |
| 735 | { |
| 736 | int n; |
| 737 | int clen; |
| 738 | FcChar32 c; |
| 739 | FcChar32 max; |
| 740 | |
| 741 | n = 0; |
| 742 | max = 0; |
| 743 | while (len) |
| 744 | { |
| 745 | clen = FcUtf16ToUcs4 (string, endian, &c, len); |
| 746 | if (clen <= 0) /* malformed UTF8 string */ |
| 747 | return FcFalse0; |
| 748 | if (c > max) |
| 749 | max = c; |
| 750 | string += clen; |
| 751 | len -= clen; |
| 752 | n++; |
| 753 | } |
| 754 | *nchar = n; |
| 755 | if (max >= 0x10000) |
| 756 | *wchar = 4; |
| 757 | else if (max > 0x100) |
| 758 | *wchar = 2; |
| 759 | else |
| 760 | *wchar = 1; |
| 761 | return FcTrue1; |
| 762 | } |
| 763 | |
| 764 | void |
| 765 | FcStrBufInit (FcStrBuf *buf, FcChar8 *init, int size) |
| 766 | { |
| 767 | if (init) |
| 768 | { |
| 769 | buf->buf = init; |
| 770 | buf->size = size; |
| 771 | } else |
| 772 | { |
| 773 | buf->buf = buf->buf_static; |
| 774 | buf->size = sizeof (buf->buf_static); |
| 775 | } |
| 776 | buf->allocated = FcFalse0; |
| 777 | buf->failed = FcFalse0; |
| 778 | buf->len = 0; |
| 779 | } |
| 780 | |
| 781 | void |
| 782 | FcStrBufDestroy (FcStrBuf *buf) |
| 783 | { |
| 784 | if (buf->allocated) |
| 785 | { |
| 786 | FcMemFree (FC_MEM_STRBUF20, buf->size); |
| 787 | free (buf->buf); |
| 788 | FcStrBufInit (buf, 0, 0); |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | FcChar8 * |
| 793 | FcStrBufDone (FcStrBuf *buf) |
| 794 | { |
| 795 | FcChar8 *ret; |
| 796 | |
| 797 | if (buf->failed) |
| 798 | ret = NULL((void*)0); |
| 799 | else |
| 800 | ret = malloc (buf->len + 1); |
| 801 | if (ret) |
| 802 | { |
| 803 | FcMemAlloc (FC_MEM_STRING11, buf->len + 1); |
| 804 | memcpy (ret, buf->buf, buf->len); |
| 805 | ret[buf->len] = '\0'; |
| 806 | } |
| 807 | FcStrBufDestroy (buf); |
| 808 | return ret; |
| 809 | } |
| 810 | |
| 811 | FcChar8 * |
| 812 | FcStrBufDoneStatic (FcStrBuf *buf) |
| 813 | { |
| 814 | FcStrBufChar (buf, '\0'); |
| 815 | |
| 816 | if (buf->failed) |
| 817 | return NULL((void*)0); |
| 818 | |
| 819 | return buf->buf; |
| 820 | } |
| 821 | |
| 822 | FcBool |
| 823 | FcStrBufChar (FcStrBuf *buf, FcChar8 c) |
| 824 | { |
| 825 | if (buf->len == buf->size) |
| 826 | { |
| 827 | FcChar8 *new; |
| 828 | int size; |
| 829 | |
| 830 | if (buf->failed) |
| 831 | return FcFalse0; |
| 832 | |
| 833 | if (buf->allocated) |
| 834 | { |
| 835 | size = buf->size * 2; |
| 836 | FcMemFree (FC_MEM_STRBUF20, buf->size); |
| 837 | new = realloc (buf->buf, size); |
| 838 | } |
| 839 | else |
| 840 | { |
| 841 | size = buf->size + 64; |
| 842 | new = malloc (size); |
| 843 | if (new) |
| 844 | { |
| 845 | buf->allocated = FcTrue1; |
| 846 | memcpy (new, buf->buf, buf->len); |
| 847 | } |
| 848 | } |
| 849 | if (!new) |
| 850 | { |
| 851 | buf->failed = FcTrue1; |
| 852 | return FcFalse0; |
| 853 | } |
| 854 | FcMemAlloc (FC_MEM_STRBUF20, size); |
| 855 | buf->size = size; |
| 856 | buf->buf = new; |
| 857 | } |
| 858 | buf->buf[buf->len++] = c; |
| 859 | return FcTrue1; |
| 860 | } |
| 861 | |
| 862 | FcBool |
| 863 | FcStrBufString (FcStrBuf *buf, const FcChar8 *s) |
| 864 | { |
| 865 | FcChar8 c; |
| 866 | while ((c = *s++)) |
| 867 | if (!FcStrBufChar (buf, c)) |
| 868 | return FcFalse0; |
| 869 | return FcTrue1; |
| 870 | } |
| 871 | |
| 872 | FcBool |
| 873 | FcStrBufData (FcStrBuf *buf, const FcChar8 *s, int len) |
| 874 | { |
| 875 | while (len-- > 0) |
| 876 | if (!FcStrBufChar (buf, *s++)) |
| 877 | return FcFalse0; |
| 878 | return FcTrue1; |
| 879 | } |
| 880 | |
| 881 | FcBool |
| 882 | FcStrUsesHome (const FcChar8 *s) |
| 883 | { |
| 884 | return *s == '~'; |
| 885 | } |
| 886 | |
| 887 | FcChar8 * |
| 888 | FcStrCopyFilename (const FcChar8 *s) |
| 889 | { |
| 890 | FcChar8 *new; |
| 891 | |
| 892 | if (*s == '~') |
| 893 | { |
| 894 | FcChar8 *home = FcConfigHomeIA__FcConfigHome (); |
| 895 | FcChar8 *full; |
| 896 | int size; |
| 897 | if (!home) |
| 898 | return NULL((void*)0); |
| 899 | size = strlen ((char *) home) + strlen ((char *) s); |
| 900 | full = (FcChar8 *) malloc (size); |
| 901 | if (!full) |
| 902 | return NULL((void*)0); |
| 903 | strcpy ((char *) full, (char *) home); |
| 904 | strcat ((char *) full, (char *) s + 1); |
| 905 | new = FcStrCanonFilename (full); |
| 906 | free (full); |
| 907 | } |
| 908 | else |
| 909 | new = FcStrCanonFilename (s); |
| 910 | |
| 911 | return new; |
| 912 | } |
| 913 | |
| 914 | FcChar8 * |
| 915 | FcStrLastSlash (const FcChar8 *path) |
| 916 | { |
| 917 | FcChar8 *slash; |
| 918 | |
| 919 | slash = (FcChar8 *) strrchr ((const char *) path, '/'); |
| 920 | #ifdef _WIN32 |
| 921 | { |
| 922 | FcChar8 *backslash; |
| 923 | |
| 924 | backslash = (FcChar8 *) strrchr ((const char *) path, '\\'); |
| 925 | if (!slash || (backslash && backslash > slash)) |
| 926 | slash = backslash; |
| 927 | } |
| 928 | #endif |
| 929 | |
| 930 | return slash; |
| 931 | } |
| 932 | |
| 933 | FcChar8 * |
| 934 | FcStrDirname (const FcChar8 *file) |
| 935 | { |
| 936 | FcChar8 *slash; |
| 937 | FcChar8 *dir; |
| 938 | |
| 939 | slash = FcStrLastSlash (file); |
| 940 | if (!slash) |
| 941 | return FcStrCopy ((FcChar8 *) "."); |
| 942 | dir = malloc ((slash - file) + 1); |
| 943 | if (!dir) |
| 944 | return 0; |
| 945 | FcMemAlloc (FC_MEM_STRING11, (slash - file) + 1); |
| 946 | strncpy ((char *) dir, (const char *) file, slash - file); |
| 947 | dir[slash - file] = '\0'; |
| 948 | return dir; |
| 949 | } |
| 950 | |
| 951 | FcChar8 * |
| 952 | FcStrBasename (const FcChar8 *file) |
| 953 | { |
| 954 | FcChar8 *slash; |
| 955 | |
| 956 | slash = FcStrLastSlash (file); |
| 957 | if (!slash) |
| 958 | return FcStrCopy (file); |
| 959 | return FcStrCopy (slash + 1); |
| 960 | } |
| 961 | |
| 962 | static FcChar8 * |
| 963 | FcStrCanonAbsoluteFilename (const FcChar8 *s) |
| 964 | { |
| 965 | FcChar8 *file; |
| 966 | FcChar8 *f; |
| 967 | const FcChar8 *slash; |
| 968 | int size; |
| 969 | |
| 970 | size = strlen ((char *) s) + 1; |
| 971 | file = malloc (size); |
| 972 | if (!file) |
| 973 | return NULL((void*)0); |
| 974 | FcMemAlloc (FC_MEM_STRING11, size); |
| 975 | slash = NULL((void*)0); |
| 976 | f = file; |
| 977 | for (;;) { |
| 978 | if (*s == '/' || *s == '\0') |
| 979 | { |
| 980 | if (slash) |
| 981 | { |
| 982 | switch (s - slash) { |
| 983 | case 1: |
| 984 | f -= 1; /* squash // and trim final / from file */ |
| 985 | break; |
| 986 | case 2: |
| 987 | if (!strncmp ((char *) slash, "/.", 2)) |
| 988 | { |
| 989 | f -= 2; /* trim /. from file */ |
| 990 | } |
| 991 | break; |
| 992 | case 3: |
| 993 | if (!strncmp ((char *) slash, "/..", 3)) |
| 994 | { |
| 995 | f -= 3; /* trim /.. from file */ |
| 996 | while (f > file) { |
| 997 | if (*--f == '/') |
| 998 | break; |
| 999 | } |
| 1000 | } |
| 1001 | break; |
| 1002 | } |
| 1003 | } |
| 1004 | slash = s; |
| 1005 | } |
| 1006 | if (!(*f++ = *s++)) |
| 1007 | break; |
| 1008 | } |
| 1009 | return file; |
| 1010 | } |
| 1011 | |
| 1012 | #ifdef _WIN32 |
| 1013 | /* |
| 1014 | * Convert '\\' to '/' , remove double '/' |
| 1015 | */ |
| 1016 | static void |
| 1017 | FcConvertDosPath (char *str) |
| 1018 | { |
| 1019 | size_t len = strlen (str); |
| 1020 | char *p = str; |
| 1021 | char *dest = str; |
| 1022 | char *end = str + len; |
| 1023 | char last = 0; |
| 1024 | |
| 1025 | if (*p == '\\') |
| 1026 | { |
| 1027 | *p = '/'; |
| 1028 | p++; |
| 1029 | dest++; |
| 1030 | } |
| 1031 | while (p < end) |
| 1032 | { |
| 1033 | if (*p == '\\') |
| 1034 | *p = '/'; |
| 1035 | |
| 1036 | if (*p != '/' |
| 1037 | || last != '/') |
| 1038 | { |
| 1039 | *dest++ = *p; |
| 1040 | } |
| 1041 | |
| 1042 | last = *p; |
| 1043 | p++; |
| 1044 | } |
| 1045 | |
| 1046 | *dest = 0; |
| 1047 | } |
| 1048 | #endif |
| 1049 | |
| 1050 | FcChar8 * |
| 1051 | FcStrCanonFilename (const FcChar8 *s) |
| 1052 | { |
| 1053 | #ifdef _WIN32 |
| 1054 | FcChar8 full[FC_MAX_FILE_LEN4096 + 2]; |
| 1055 | int size = GetFullPathName ((LPCSTR) s, sizeof (full) -1, |
| 1056 | (LPSTR) full, NULL((void*)0)); |
| 1057 | |
| 1058 | if (size == 0) |
| 1059 | perror ("GetFullPathName"); |
| 1060 | |
| 1061 | FcConvertDosPath ((char *) full); |
| 1062 | return FcStrCanonAbsoluteFilename (full); |
| 1063 | #else |
| 1064 | if (s[0] == '/') |
| 1065 | return FcStrCanonAbsoluteFilename (s); |
| 1066 | else |
| 1067 | { |
| 1068 | FcChar8 *full; |
| 1069 | FcChar8 *file; |
| 1070 | |
| 1071 | FcChar8 cwd[FC_MAX_FILE_LEN4096 + 2]; |
| 1072 | if (getcwd ((char *) cwd, FC_MAX_FILE_LEN4096) == NULL((void*)0)) |
| 1073 | return NULL((void*)0); |
| 1074 | strcat ((char *) cwd, "/"); |
| 1075 | full = FcStrPlus (cwd, s); |
| 1076 | file = FcStrCanonAbsoluteFilename (full); |
| 1077 | FcStrFree (full); |
| 1078 | return file; |
| 1079 | } |
| 1080 | #endif |
| 1081 | } |
| 1082 | |
| 1083 | |
| 1084 | FcStrSet * |
| 1085 | FcStrSetCreate (void) |
| 1086 | { |
| 1087 | FcStrSet *set = malloc (sizeof (FcStrSet)); |
| 1088 | if (!set) |
| 1089 | return 0; |
| 1090 | FcMemAlloc (FC_MEM_STRSET13, sizeof (FcStrSet)); |
| 1091 | set->ref = 1; |
| 1092 | set->num = 0; |
| 1093 | set->size = 0; |
| 1094 | set->strs = 0; |
| 1095 | return set; |
| 1096 | } |
| 1097 | |
| 1098 | static FcBool |
| 1099 | _FcStrSetAppend (FcStrSet *set, FcChar8 *s) |
| 1100 | { |
| 1101 | if (FcStrSetMember (set, s)) |
| 1102 | { |
| 1103 | FcStrFree (s); |
| 1104 | return FcTrue1; |
| 1105 | } |
| 1106 | if (set->num == set->size) |
| 1107 | { |
| 1108 | FcChar8 **strs = malloc ((set->size + 2) * sizeof (FcChar8 *)); |
| 1109 | |
| 1110 | if (!strs) |
| 1111 | return FcFalse0; |
| 1112 | FcMemAlloc (FC_MEM_STRSET13, (set->size + 2) * sizeof (FcChar8 *)); |
| 1113 | if (set->num) |
| 1114 | memcpy (strs, set->strs, set->num * sizeof (FcChar8 *)); |
| 1115 | if (set->strs) |
| 1116 | { |
| 1117 | FcMemFree (FC_MEM_STRSET13, (set->size + 1) * sizeof (FcChar8 *)); |
| 1118 | free (set->strs); |
| 1119 | } |
| 1120 | set->size = set->size + 1; |
| 1121 | set->strs = strs; |
| 1122 | } |
| 1123 | set->strs[set->num++] = s; |
| 1124 | set->strs[set->num] = 0; |
| 1125 | return FcTrue1; |
| 1126 | } |
| 1127 | |
| 1128 | FcBool |
| 1129 | FcStrSetMember (FcStrSet *set, const FcChar8 *s) |
| 1130 | { |
| 1131 | int i; |
| 1132 | |
| 1133 | for (i = 0; i < set->num; i++) |
| 1134 | if (!FcStrCmp (set->strs[i], s)) |
| 1135 | return FcTrue1; |
| 1136 | return FcFalse0; |
| 1137 | } |
| 1138 | |
| 1139 | FcBool |
| 1140 | FcStrSetEqual (FcStrSet *sa, FcStrSet *sb) |
| 1141 | { |
| 1142 | int i; |
| 1143 | if (sa->num != sb->num) |
| 1144 | return FcFalse0; |
| 1145 | for (i = 0; i < sa->num; i++) |
| 1146 | if (!FcStrSetMember (sb, sa->strs[i])) |
| 1147 | return FcFalse0; |
| 1148 | return FcTrue1; |
| 1149 | } |
| 1150 | |
| 1151 | FcBool |
| 1152 | FcStrSetAdd (FcStrSet *set, const FcChar8 *s) |
| 1153 | { |
| 1154 | FcChar8 *new = FcStrCopy (s); |
| 1155 | if (!new) |
| 1156 | return FcFalse0; |
| 1157 | if (!_FcStrSetAppend (set, new)) |
| 1158 | { |
| 1159 | FcStrFree (new); |
| 1160 | return FcFalse0; |
| 1161 | } |
| 1162 | return FcTrue1; |
| 1163 | } |
| 1164 | |
| 1165 | FcBool |
| 1166 | FcStrSetAddFilename (FcStrSet *set, const FcChar8 *s) |
| 1167 | { |
| 1168 | FcChar8 *new = FcStrCopyFilename (s); |
| 1169 | if (!new) |
| 1170 | return FcFalse0; |
| 1171 | if (!_FcStrSetAppend (set, new)) |
| 1172 | { |
| 1173 | FcStrFree (new); |
| 1174 | return FcFalse0; |
| 1175 | } |
| 1176 | return FcTrue1; |
| 1177 | } |
| 1178 | |
| 1179 | FcBool |
| 1180 | FcStrSetAddLangs (FcStrSet *strs, const char *languages) |
| 1181 | { |
| 1182 | const char *p = languages, *next; |
| 1183 | FcChar8 lang[128] = {0}, *normalized_lang; |
| 1184 | size_t len; |
| 1185 | FcBool ret = FcFalse0; |
| 1186 | |
| 1187 | if (!languages) |
| 1188 | return FcFalse0; |
| 1189 | |
| 1190 | while ((next = strchr (p, ':'))) |
| 1191 | { |
| 1192 | len = next - p; |
| 1193 | len = FC_MIN (len, 128)((len) < (128) ? (len) : (128)); |
| 1194 | strncpy ((char *) lang, p, len); |
| 1195 | lang[len] = 0; |
| 1196 | /* ignore an empty item */ |
| 1197 | if (*lang) |
| 1198 | { |
| 1199 | normalized_lang = FcLangNormalize ((const FcChar8 *) lang); |
| 1200 | if (normalized_lang) |
| 1201 | { |
| 1202 | FcStrSetAdd (strs, normalized_lang); |
| 1203 | free (normalized_lang); |
| 1204 | ret = FcTrue1; |
| 1205 | } |
| 1206 | } |
| 1207 | p = next + 1; |
| 1208 | } |
| 1209 | if (*p) |
| 1210 | { |
| 1211 | normalized_lang = FcLangNormalize ((const FcChar8 *) p); |
| 1212 | if (normalized_lang) |
| 1213 | { |
| 1214 | FcStrSetAdd (strs, normalized_lang); |
| 1215 | free (normalized_lang); |
| 1216 | ret = FcTrue1; |
| 1217 | } |
| 1218 | } |
| 1219 | |
| 1220 | return ret; |
| 1221 | } |
| 1222 | |
| 1223 | FcBool |
| 1224 | FcStrSetDel (FcStrSet *set, const FcChar8 *s) |
| 1225 | { |
| 1226 | int i; |
| 1227 | |
| 1228 | for (i = 0; i < set->num; i++) |
| 1229 | if (!FcStrCmp (set->strs[i], s)) |
| 1230 | { |
| 1231 | FcStrFree (set->strs[i]); |
| 1232 | /* |
| 1233 | * copy remaining string pointers and trailing |
| 1234 | * NULL |
| 1235 | */ |
| 1236 | memmove (&set->strs[i], &set->strs[i+1], |
| 1237 | (set->num - i) * sizeof (FcChar8 *)); |
| 1238 | set->num--; |
| 1239 | return FcTrue1; |
| 1240 | } |
| 1241 | return FcFalse0; |
| 1242 | } |
| 1243 | |
| 1244 | void |
| 1245 | FcStrSetDestroy (FcStrSet *set) |
| 1246 | { |
| 1247 | if (--set->ref == 0) |
| 1248 | { |
| 1249 | int i; |
| 1250 | |
| 1251 | for (i = 0; i < set->num; i++) |
| 1252 | FcStrFree (set->strs[i]); |
| 1253 | if (set->strs) |
| 1254 | { |
| 1255 | FcMemFree (FC_MEM_STRSET13, (set->size + 1) * sizeof (FcChar8 *)); |
| 1256 | free (set->strs); |
| 1257 | } |
| 1258 | FcMemFree (FC_MEM_STRSET13, sizeof (FcStrSet)); |
| 1259 | free (set); |
| 1260 | } |
| 1261 | } |
| 1262 | |
| 1263 | FcStrList * |
| 1264 | FcStrListCreate (FcStrSet *set) |
| 1265 | { |
| 1266 | FcStrList *list; |
| 1267 | |
| 1268 | list = malloc (sizeof (FcStrList)); |
| 1269 | if (!list) |
| 1270 | return 0; |
| 1271 | FcMemAlloc (FC_MEM_STRLIST14, sizeof (FcStrList)); |
| 1272 | list->set = set; |
| 1273 | set->ref++; |
| 1274 | list->n = 0; |
| 1275 | return list; |
| 1276 | } |
| 1277 | |
| 1278 | FcChar8 * |
| 1279 | FcStrListNext (FcStrList *list) |
| 1280 | { |
| 1281 | if (list->n >= list->set->num) |
| 1282 | return 0; |
| 1283 | return list->set->strs[list->n++]; |
| 1284 | } |
| 1285 | |
| 1286 | void |
| 1287 | FcStrListDone (FcStrList *list) |
| 1288 | { |
| 1289 | FcStrSetDestroy (list->set); |
| 1290 | FcMemFree (FC_MEM_STRLIST14, sizeof (FcStrList)); |
| 1291 | free (list); |
| 1292 | } |
| 1293 | |
| 1294 | #define __fcstr__ |
| 1295 | #include "fcaliastail.h" |
| 1296 | #undef __fcstr__ |