src/cache.cc

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "cache.h"
  24
  25 #include "md5-util.h"
  26 #include "secure-save.h"
  27 #include "thumb-standard.h"
  28 #include "ui-fileops.h"
  29
  30 #include <utime.h>
  31
  32
  33 /**
  34  * @file
  35  *-------------------------------------------------------------------
  36  * Cache data file format:
  37  *-------------------------------------------------------------------
  38  *
  39  * SIMcache \n
  40  * #comment \n
  41  * Dimensions=[<width> x <height>] \n
  42  * Date=[<value in time_t format, or -1 if no embedded date>] \n
  43  * MD5sum=[<32 character ascii text digest>] \n
  44  * SimilarityGrid[32 x 32]=<3072 bytes of data (1024 pixels in RGB format, 1 pixel is 24bits)>
  45  *
  46  * The first line (9 bytes) indicates it is a SIMcache format file. (new line char must exist) \n
  47  * Comment lines starting with a # are ignored up to a new line. \n
  48  * All data lines should end with a new line char. \n
  49  * Format is very strict, data must begin with the char immediately following '='. \n
  50  * Currently SimilarityGrid is always assumed to be 32 x 32 RGB. \n
  51  */
  52
  53
  54 /*
  55  *-------------------------------------------------------------------
  56  * sim cache data
  57  *-------------------------------------------------------------------
  58  */
  59
  60 CacheData *cache_sim_data_new()
  61 {
  62         CacheData *cd;
  63
  64         cd = g_new0(CacheData, 1);
  65         cd->date = -1;
  66
  67         return cd;
  68 }
  69
  70 void cache_sim_data_free(CacheData *cd)
  71 {
  72         if (!cd) return;
  73
  74         g_free(cd->path);
  75         image_sim_free(cd->sim);
  76         g_free(cd);
  77 }
  78
  79 /*
  80  *-------------------------------------------------------------------
  81  * sim cache write
  82  *-------------------------------------------------------------------
  83  */
  84
  85 static gboolean cache_sim_write_dimensions(SecureSaveInfo *ssi, CacheData *cd)
  86 {
  87         if (!cd || !cd->dimensions) return FALSE;
  88
  89         secure_fprintf(ssi, "Dimensions=[%d x %d]\n", cd->width, cd->height);
  90
  91         return TRUE;
  92 }
  93
  94 static gboolean cache_sim_write_date(SecureSaveInfo *ssi, CacheData *cd)
  95 {
  96         if (!cd || !cd->have_date) return FALSE;
  97
  98         secure_fprintf(ssi, "Date=[%ld]\n", cd->date);
  99
 100         return TRUE;
 101 }
 102
 103 static gboolean cache_sim_write_md5sum(SecureSaveInfo *ssi, CacheData *cd)
 104 {
 105         gchar *text;
 106
 107         if (!cd || !cd->have_md5sum) return FALSE;
 108
 109         text = md5_digest_to_text(cd->md5sum);
 110         secure_fprintf(ssi, "MD5sum=[%s]\n", text);
 111         g_free(text);
 112
 113         return TRUE;
 114 }
 115
 116 static gboolean cache_sim_write_similarity(SecureSaveInfo *ssi, CacheData *cd)
 117 {
 118         guint x, y;
 119         guint8 buf[3 * 32];
 120
 121         if (!cd || !cd->similarity || !cd->sim || !cd->sim->filled) return FALSE;
 122
 123         secure_fprintf(ssi, "SimilarityGrid[32 x 32]=");
 124         for (y = 0; y < 32; y++)
 125                 {
 126                 guint s = y * 32;
 127                 guint8 *avg_r = &cd->sim->avg_r[s];
 128                 guint8 *avg_g = &cd->sim->avg_g[s];
 129                 guint8 *avg_b = &cd->sim->avg_b[s];
 130                 guint n = 0;
 131
 132                 for (x = 0; x < 32; x++)
 133                         {
 134                         buf[n++] = avg_r[x];
 135                         buf[n++] = avg_g[x];
 136                         buf[n++] = avg_b[x];
 137                         }
 138
 139                 secure_fwrite(buf, sizeof(buf), 1, ssi);
 140                 }
 141
 142         secure_fputc(ssi, '\n');
 143
 144         return TRUE;
 145 }
 146
 147 gboolean cache_sim_data_save(CacheData *cd)
 148 {
 149         SecureSaveInfo *ssi;
 150         gchar *pathl;
 151
 152         if (!cd || !cd->path) return FALSE;
 153
 154         pathl = path_from_utf8(cd->path);
 155         ssi = secure_open(pathl);
 156         g_free(pathl);
 157
 158         if (!ssi)
 159                 {
 160                 log_printf("Unable to save sim cache data: %s\n", cd->path);
 161                 return FALSE;
 162                 }
 163
 164         secure_fprintf(ssi, "SIMcache\n#%s %s\n", PACKAGE, VERSION);
 165         cache_sim_write_dimensions(ssi, cd);
 166         cache_sim_write_date(ssi, cd);
 167         cache_sim_write_md5sum(ssi, cd);
 168         cache_sim_write_similarity(ssi, cd);
 169
 170         if (secure_close(ssi))
 171                 {
 172                 log_printf(_("error saving sim cache data: %s\nerror: %s\n"), cd->path,
 173                             secsave_strerror(secsave_errno));
 174                 return FALSE;
 175                 }
 176
 177         return TRUE;
 178 }
 179
 180 /*
 181  *-------------------------------------------------------------------
 182  * sim cache read
 183  *-------------------------------------------------------------------
 184  */
 185
 186 static gboolean cache_sim_read_skipline(FILE *f, gint s)
 187 {
 188         if (!f) return FALSE;
 189
 190         if (fseek(f, 0 - s, SEEK_CUR) == 0)
 191                 {
 192                 gchar b;
 193                 while (fread(&b, sizeof(b), 1, f) == 1)
 194                         {
 195                         if (b == '\n') return TRUE;
 196                         }
 197                 return TRUE;
 198                 }
 199
 200         return FALSE;
 201 }
 202
 203 static gboolean cache_sim_read_comment(FILE *f, const gchar *buf, gint s, CacheData *cd)
 204 {
 205         if (!f || !buf || !cd) return FALSE;
 206
 207         if (s < 1 || buf[0] != '#') return FALSE;
 208
 209         return cache_sim_read_skipline(f, s - 1);
 210 }
 211
 212 static gboolean cache_sim_read_dimensions(FILE *f, gchar *buf, gint s, CacheData *cd)
 213 {
 214         if (!f || !buf || !cd) return FALSE;
 215
 216         if (s < 10 || strncmp("Dimensions", buf, 10) != 0) return FALSE;
 217
 218         if (fseek(f, - s, SEEK_CUR) == 0)
 219                 {
 220                 gchar b;
 221                 gchar buf[1024];
 222                 gsize p = 0;
 223                 gint w, h;
 224
 225                 b = 'X';
 226                 while (b != '[')
 227                         {
 228                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 229                         }
 230                 while (b != ']' && p < sizeof(buf) - 1)
 231                         {
 232                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 233                         buf[p] = b;
 234                         p++;
 235                         }
 236
 237                 while (b != '\n')
 238                         {
 239                         if (fread(&b, sizeof(b), 1, f) != 1) break;
 240                         }
 241
 242                 buf[p] = '\0';
 243                 if (sscanf(buf, "%d x %d", &w, &h) != 2) return FALSE;
 244
 245                 cd->width = w;
 246                 cd->height = h;
 247                 cd->dimensions = TRUE;
 248
 249                 return TRUE;
 250                 }
 251
 252         return FALSE;
 253 }
 254
 255 static gboolean cache_sim_read_date(FILE *f, gchar *buf, gint s, CacheData *cd)
 256 {
 257         if (!f || !buf || !cd) return FALSE;
 258
 259         if (s < 4 || strncmp("Date", buf, 4) != 0) return FALSE;
 260
 261         if (fseek(f, - s, SEEK_CUR) == 0)
 262                 {
 263                 gchar b;
 264                 gchar buf[1024];
 265                 gsize p = 0;
 266
 267                 b = 'X';
 268                 while (b != '[')
 269                         {
 270                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 271                         }
 272                 while (b != ']' && p < sizeof(buf) - 1)
 273                         {
 274                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 275                         buf[p] = b;
 276                         p++;
 277                         }
 278
 279                 while (b != '\n')
 280                         {
 281                         if (fread(&b, sizeof(b), 1, f) != 1) break;
 282                         }
 283
 284                 buf[p] = '\0';
 285                 cd->date = strtol(buf, nullptr, 10);
 286
 287                 cd->have_date = TRUE;
 288
 289                 return TRUE;
 290                 }
 291
 292         return FALSE;
 293 }
 294
 295 static gboolean cache_sim_read_md5sum(FILE *f, gchar *buf, gint s, CacheData *cd)
 296 {
 297         if (!f || !buf || !cd) return FALSE;
 298
 299         if (s < 8 || strncmp("MD5sum", buf, 6) != 0) return FALSE;
 300
 301         if (fseek(f, - s, SEEK_CUR) == 0)
 302                 {
 303                 gchar b;
 304                 gchar buf[64];
 305                 gsize p = 0;
 306
 307                 b = 'X';
 308                 while (b != '[')
 309                         {
 310                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 311                         }
 312                 while (b != ']' && p < sizeof(buf) - 1)
 313                         {
 314                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 315                         buf[p] = b;
 316                         p++;
 317                         }
 318                 while (b != '\n')
 319                         {
 320                         if (fread(&b, sizeof(b), 1, f) != 1) break;
 321                         }
 322
 323                 buf[p] = '\0';
 324                 cd->have_md5sum = md5_digest_from_text(buf, cd->md5sum);
 325
 326                 return TRUE;
 327                 }
 328
 329         return FALSE;
 330 }
 331
 332 static gboolean cache_sim_read_similarity(FILE *f, gchar *buf, gint s, CacheData *cd)
 333 {
 334         if (!f || !buf || !cd) return FALSE;
 335
 336         if (s < 11 || strncmp("Similarity", buf, 10) != 0) return FALSE;
 337
 338         if (strncmp("Grid[32 x 32]", buf + 10, 13) != 0) return FALSE;
 339
 340         if (fseek(f, - s, SEEK_CUR) == 0)
 341                 {
 342                 gchar b;
 343                 guint8 pixel_buf[3];
 344                 ImageSimilarityData *sd;
 345                 gint x, y;
 346
 347                 b = 'X';
 348                 while (b != '=')
 349                         {
 350                         if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
 351                         }
 352
 353                 if (cd->sim)
 354                         {
 355                         /* use current sim that may already contain data we will not touch here */
 356                         sd = cd->sim;
 357                         cd->sim = nullptr;
 358                         cd->similarity = FALSE;
 359                         }
 360                 else
 361                         {
 362                         sd = image_sim_new();
 363                         }
 364
 365                 for (y = 0; y < 32; y++)
 366                         {
 367                         gint s = y * 32;
 368                         for (x = 0; x < 32; x++)
 369                                 {
 370                                 if (fread(&pixel_buf, sizeof(pixel_buf), 1, f) != 1)
 371                                         {
 372                                         image_sim_free(sd);
 373                                         return FALSE;
 374                                         }
 375                                 sd->avg_r[s + x] = pixel_buf[0];
 376                                 sd->avg_g[s + x] = pixel_buf[1];
 377                                 sd->avg_b[s + x] = pixel_buf[2];
 378                                 }
 379                         }
 380
 381                 if (fread(&b, sizeof(b), 1, f) == 1)
 382                         {
 383                         if (b != '\n') fseek(f, -1, SEEK_CUR);
 384                         }
 385
 386                 cd->sim = sd;
 387                 cd->sim->filled = TRUE;
 388                 cd->similarity = TRUE;
 389
 390                 return TRUE;
 391                 }
 392
 393         return FALSE;
 394 }
 395
 396 enum {
 397         CACHE_LOAD_LINE_NOISE = 8
 398 };
 399
 400 CacheData *cache_sim_data_load(const gchar *path)
 401 {
 402         FILE *f;
 403         CacheData *cd = nullptr;
 404         gchar buf[32];
 405         gint success = CACHE_LOAD_LINE_NOISE;
 406         gchar *pathl;
 407
 408         if (!path) return nullptr;
 409
 410         pathl = path_from_utf8(path);
 411         f = fopen(pathl, "r");
 412         g_free(pathl);
 413
 414         if (!f) return nullptr;
 415
 416         cd = cache_sim_data_new();
 417         cd->path = g_strdup(path);
 418
 419         if (fread(&buf, sizeof(gchar), 9, f) != 9 ||
 420             strncmp(buf, "SIMcache", 8) != 0)
 421                 {
 422                 DEBUG_1("%s is not a cache file", cd->path);
 423                 success = 0;
 424                 }
 425
 426         while (success > 0)
 427                 {
 428                 gint s;
 429                 s = fread(&buf, sizeof(gchar), sizeof(buf), f);
 430
 431                 if (s < 1)
 432                         {
 433                         success = 0;
 434                         }
 435                 else
 436                         {
 437                         if (!cache_sim_read_comment(f, buf, s, cd) &&
 438                             !cache_sim_read_dimensions(f, buf, s, cd) &&
 439                             !cache_sim_read_date(f, buf, s, cd) &&
 440                             !cache_sim_read_md5sum(f, buf, s, cd) &&
 441                             !cache_sim_read_similarity(f, buf, s, cd))
 442                                 {
 443                                 if (!cache_sim_read_skipline(f, s))
 444                                         {
 445                                         success = 0;
 446                                         }
 447                                 else
 448                                         {
 449                                         success--;
 450                                         }
 451                                 }
 452                         else
 453                                 {
 454                                 success = CACHE_LOAD_LINE_NOISE;
 455                                 }
 456                         }
 457                 }
 458
 459         fclose(f);
 460
 461         if (!cd->dimensions &&
 462             !cd->have_date &&
 463             !cd->have_md5sum &&
 464             !cd->similarity)
 465                 {
 466                 cache_sim_data_free(cd);
 467                 cd = nullptr;
 468                 }
 469
 470         return cd;
 471 }
 472
 473 /*
 474  *-------------------------------------------------------------------
 475  * sim cache setting
 476  *-------------------------------------------------------------------
 477  */
 478
 479 void cache_sim_data_set_dimensions(CacheData *cd, gint w, gint h)
 480 {
 481         if (!cd) return;
 482
 483         cd->width = w;
 484         cd->height = h;
 485         cd->dimensions = TRUE;
 486 }
 487
 488 #pragma GCC diagnostic push
 489 #pragma GCC diagnostic ignored "-Wunused-function"
 490 void cache_sim_data_set_date_unused(CacheData *cd, time_t date)
 491 {
 492         if (!cd) return;
 493
 494         cd->date = date;
 495         cd->have_date = TRUE;
 496 }
 497 #pragma GCC diagnostic pop
 498
 499 void cache_sim_data_set_md5sum(CacheData *cd, const guchar digest[16])
 500 {
 501         gint i;
 502
 503         if (!cd) return;
 504
 505         for (i = 0; i < 16; i++)
 506                 {
 507                 cd->md5sum[i] = digest[i];
 508                 }
 509         cd->have_md5sum = TRUE;
 510 }
 511
 512 void cache_sim_data_set_similarity(CacheData *cd, ImageSimilarityData *sd)
 513 {
 514         if (!cd || !sd || !sd->filled) return;
 515
 516         if (!cd->sim) cd->sim = image_sim_new();
 517
 518         memcpy(cd->sim->avg_r, sd->avg_r, 1024);
 519         memcpy(cd->sim->avg_g, sd->avg_g, 1024);
 520         memcpy(cd->sim->avg_b, sd->avg_b, 1024);
 521         cd->sim->filled = TRUE;
 522
 523         cd->similarity = TRUE;
 524 }
 525
 526 gboolean cache_sim_data_filled(ImageSimilarityData *sd)
 527 {
 528         if (!sd) return FALSE;
 529         return sd->filled;
 530 }
 531
 532 /*
 533  *-------------------------------------------------------------------
 534  * cache path location utils
 535  *-------------------------------------------------------------------
 536  */
 537
 538 struct CachePathParts
 539 {
 540         CachePathParts(CacheType type)
 541         {
 542                 switch (type)
 543                         {
 544                         case CACHE_TYPE_THUMB:
 545                                 rc = get_thumbnails_cache_dir();
 546                                 local = GQ_CACHE_LOCAL_THUMB;
 547                                 ext = GQ_CACHE_EXT_THUMB;
 548                                 break;
 549                         case CACHE_TYPE_SIM:
 550                                 rc = get_thumbnails_cache_dir();
 551                                 local = GQ_CACHE_LOCAL_THUMB;
 552                                 ext = GQ_CACHE_EXT_SIM;
 553                                 break;
 554                         case CACHE_TYPE_METADATA:
 555                                 rc = get_metadata_cache_dir();
 556                                 local = GQ_CACHE_LOCAL_METADATA;
 557                                 ext = GQ_CACHE_EXT_METADATA;
 558                                 break;
 559                         case CACHE_TYPE_XMP_METADATA:
 560                                 rc = get_metadata_cache_dir();
 561                                 local = GQ_CACHE_LOCAL_METADATA;
 562                                 ext = GQ_CACHE_EXT_XMP_METADATA;
 563                                 break;
 564                         }
 565         }
 566
 567         gchar *build_path_local(const gchar *source) const
 568         {
 569                 gchar *base = remove_level_from_path(source);
 570                 gchar *name = g_strconcat(filename_from_path(source), ext, nullptr);
 571                 gchar *path = g_build_filename(base, local, name, nullptr);
 572                 g_free(name);
 573                 g_free(base);
 574
 575                 return path;
 576         }
 577
 578         gchar *build_path_rc(const gchar *source) const
 579         {
 580                 gchar *name = g_strconcat(source, ext, nullptr);
 581                 gchar *path = g_build_filename(rc, name, nullptr);
 582                 g_free(name);
 583
 584                 return path;
 585         }
 586
 587         const gchar *rc = nullptr;
 588         const gchar *local = nullptr;
 589         const gchar *ext = nullptr;
 590 };
 591
 592 gchar *cache_get_location(CacheType type, const gchar *source, gint include_name, mode_t *mode)
 593 {
 594         gchar *path = nullptr;
 595         gchar *base;
 596         gchar *name = nullptr;
 597
 598         if (!source) return nullptr;
 599
 600         const CachePathParts cache{type};
 601
 602         base = remove_level_from_path(source);
 603         if (include_name)
 604                 {
 605                 name = g_strconcat(filename_from_path(source), cache.ext, NULL);
 606                 }
 607
 608         if (((type != CACHE_TYPE_METADATA && type != CACHE_TYPE_XMP_METADATA && options->thumbnails.cache_into_dirs) ||
 609              ((type == CACHE_TYPE_METADATA || type == CACHE_TYPE_XMP_METADATA) && options->metadata.enable_metadata_dirs)) &&
 610             access_file(base, W_OK))
 611                 {
 612                 path = g_build_filename(base, cache.local, name, NULL);
 613                 if (mode) *mode = 0775;
 614                 }
 615
 616         if (!path)
 617                 {
 618                 path = g_build_filename(cache.rc, base, name, NULL);
 619                 if (mode) *mode = 0755;
 620                 }
 621
 622         g_free(base);
 623         if (name) g_free(name);
 624
 625         return path;
 626 }
 627
 628 gchar *cache_find_location(CacheType type, const gchar *source)
 629 {
 630         gchar *path;
 631         gboolean prefer_local;
 632
 633         if (!source) return nullptr;
 634
 635         const CachePathParts cache{type};
 636
 637         if (type == CACHE_TYPE_METADATA || type == CACHE_TYPE_XMP_METADATA)
 638                 {
 639                 prefer_local = options->metadata.enable_metadata_dirs;
 640                 }
 641         else
 642                 {
 643                 prefer_local = options->thumbnails.cache_into_dirs;
 644                 }
 645
 646         if (prefer_local)
 647                 {
 648                 path = cache.build_path_local(source);
 649                 }
 650         else
 651                 {
 652                 path = cache.build_path_rc(source);
 653                 }
 654
 655         if (!isfile(path))
 656                 {
 657                 g_free(path);
 658
 659                 /* try the opposite method if not found */
 660                 if (!prefer_local)
 661                         {
 662                         path = cache.build_path_local(source);
 663                         }
 664                 else
 665                         {
 666                         path = cache.build_path_rc(source);
 667                         }
 668
 669                 if (!isfile(path))
 670                         {
 671                         g_free(path);
 672                         path = nullptr;
 673                         }
 674                 }
 675
 676         return path;
 677 }
 678
 679 gboolean cache_time_valid(const gchar *cache, const gchar *path)
 680 {
 681         struct stat cache_st;
 682         struct stat path_st;
 683         gchar *cachel;
 684         gchar *pathl;
 685         gboolean ret = FALSE;
 686
 687         if (!cache || !path) return FALSE;
 688
 689         cachel = path_from_utf8(cache);
 690         pathl = path_from_utf8(path);
 691
 692         if (stat(cachel, &cache_st) == 0 &&
 693             stat(pathl, &path_st) == 0)
 694                 {
 695                 if (cache_st.st_mtime == path_st.st_mtime)
 696                         {
 697                         ret = TRUE;
 698                         }
 699                 else if (cache_st.st_mtime > path_st.st_mtime)
 700                         {
 701                         struct utimbuf ut;
 702
 703                         ut.actime = ut.modtime = cache_st.st_mtime;
 704                         if (utime(cachel, &ut) < 0 &&
 705                             errno == EPERM)
 706                                 {
 707                                 DEBUG_1("cache permission workaround: %s", cachel);
 708                                 ret = TRUE;
 709                                 }
 710                         }
 711                 }
 712
 713         g_free(pathl);
 714         g_free(cachel);
 715
 716         return ret;
 717 }
 718
 719 const gchar *get_thumbnails_cache_dir()
 720 {
 721         static gchar *thumbnails_cache_dir = nullptr;
 722
 723         if (thumbnails_cache_dir) return thumbnails_cache_dir;
 724
 725         if (USE_XDG)
 726                 {
 727                 thumbnails_cache_dir = g_build_filename(xdg_cache_home_get(),
 728                                                                 GQ_APPNAME_LC, GQ_CACHE_THUMB, NULL);
 729                 }
 730         else
 731                 {
 732                 thumbnails_cache_dir = g_build_filename(get_rc_dir(), GQ_CACHE_THUMB, NULL);
 733                 }
 734
 735         return thumbnails_cache_dir;
 736 }
 737
 738 const gchar *get_thumbnails_standard_cache_dir()
 739 {
 740         static gchar *thumbnails_standard_cache_dir = nullptr;
 741
 742         if (thumbnails_standard_cache_dir) return thumbnails_standard_cache_dir;
 743
 744         thumbnails_standard_cache_dir = g_build_filename(xdg_cache_home_get(),
 745                                                                                 THUMB_FOLDER_GLOBAL, NULL);
 746
 747         return thumbnails_standard_cache_dir;
 748 }
 749
 750 const gchar *get_metadata_cache_dir()
 751 {
 752         static gchar *metadata_cache_dir = nullptr;
 753
 754         if (metadata_cache_dir) return metadata_cache_dir;
 755
 756         if (USE_XDG)
 757                 {
 758                 /* Metadata go to $XDG_DATA_HOME.
 759                  * "Keywords and comments, among other things, are irreplaceable and cannot be auto-generated,
 760                  * so I don't think they'd be appropriate for the cache directory." -- Omari Stephens on geeqie-devel ml
 761                  */
 762                 metadata_cache_dir = g_build_filename(xdg_data_home_get(), GQ_APPNAME_LC, GQ_CACHE_METADATA, NULL);
 763                 }
 764         else
 765                 {
 766                 metadata_cache_dir = g_build_filename(get_rc_dir(), GQ_CACHE_METADATA, NULL);
 767                 }
 768
 769         return metadata_cache_dir;
 770 }
 771
 772 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */