src/msgcache.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 Hiroyuki Yamamoto & The Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #define _GNU_SOURCE
  27 #include <stdio.h>
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31 #ifdef _WIN32
  32 # include <w32lib.h>
  33 # define MAP_FAILED     ((char *) -1)
  34 #else
  35 # include <sys/mman.h>
  36 #endif
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39
  40 #include <time.h>
  41
  42 #include "msgcache.h"
  43 #include "utils.h"
  44 #include "procmsg.h"
  45 #include "codeconv.h"
  46 #include "timing.h"
  47 #include "tags.h"
  48 #include "prefs_common.h"
  49
  50 #ifdef HAVE_FWRITE_UNLOCKED
  51 #define SC_FWRITE fwrite_unlocked
  52 #else
  53 #define SC_FWRITE fwrite
  54 #endif
  55
  56 #if G_BYTE_ORDER == G_BIG_ENDIAN
  57 #define bswap_32(x) \
  58      ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) | \
  59       (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24))
  60
  61 #define MMAP_TO_GUINT32(x)      \
  62         (((x[3]&0xff)) |        \
  63          ((x[2]&0xff) << 8) |   \
  64          ((x[1]&0xff) << 16) |  \
  65          ((x[0]&0xff) << 24))
  66
  67 #define MMAP_TO_GUINT32_SWAPPED(x)      \
  68         (((x[0]&0xff)) |                \
  69          ((x[1]&0xff) << 8) |           \
  70          ((x[2]&0xff) << 16) |          \
  71          ((x[3]&0xff) << 24))
  72
  73 static gboolean msgcache_use_mmap_read = TRUE;
  74
  75 #else
  76 #define bswap_32(x) (x)
  77
  78 #define MMAP_TO_GUINT32(x)      \
  79         (((x[0]&0xff)) |        \
  80          ((x[1]&0xff) << 8) |   \
  81          ((x[2]&0xff) << 16) |  \
  82          ((x[3]&0xff) << 24))
  83
  84 #define MMAP_TO_GUINT32_SWAPPED(x)      \
  85         (((x[0]&0xff)) |                \
  86          ((x[1]&0xff) << 8) |           \
  87          ((x[2]&0xff) << 16) |          \
  88          ((x[3]&0xff) << 24))
  89
  90 static gboolean msgcache_use_mmap_read = TRUE;
  91 #endif
  92
  93 static gboolean swapping = TRUE;
  94
  95 typedef enum
  96 {
  97         DATA_READ,
  98         DATA_WRITE,
  99         DATA_APPEND
 100 } DataOpenMode;
 101
 102 struct _MsgCache {
 103         GHashTable      *msgnum_table;
 104         GHashTable      *msgid_table;
 105         guint            memusage;
 106         time_t           last_access;
 107 };
 108
 109 typedef struct _StringConverter StringConverter;
 110 struct _StringConverter {
 111         gchar *(*convert) (StringConverter *converter, gchar *srcstr);
 112         void   (*free)    (StringConverter *converter);
 113 };
 114
 115 typedef struct _StrdupConverter StrdupConverter;
 116 struct _StrdupConverter {
 117         StringConverter converter;
 118 };
 119
 120 typedef struct _CharsetConverter CharsetConverter;
 121 struct _CharsetConverter {
 122         StringConverter converter;
 123
 124         gchar *srccharset;
 125         gchar *dstcharset;
 126 };
 127
 128 MsgCache *msgcache_new(void)
 129 {
 130         MsgCache *cache;
 131
 132         cache = g_new0(MsgCache, 1),
 133         cache->msgnum_table = g_hash_table_new(g_int_hash, g_int_equal);
 134         cache->msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
 135         cache->last_access = time(NULL);
 136
 137         return cache;
 138 }
 139
 140 static gboolean msgcache_msginfo_free_func(gpointer num, gpointer msginfo, gpointer user_data)
 141 {
 142         procmsg_msginfo_free((MsgInfo *)msginfo);
 143         return TRUE;
 144 }
 145
 146 void msgcache_destroy(MsgCache *cache)
 147 {
 148         cm_return_if_fail(cache != NULL);
 149
 150         g_hash_table_foreach_remove(cache->msgnum_table, msgcache_msginfo_free_func, NULL);
 151         g_hash_table_destroy(cache->msgid_table);
 152         g_hash_table_destroy(cache->msgnum_table);
 153         g_free(cache);
 154 }
 155
 156 void msgcache_add_msg(MsgCache *cache, MsgInfo *msginfo)
 157 {
 158         MsgInfo *newmsginfo;
 159
 160         cm_return_if_fail(cache != NULL);
 161         cm_return_if_fail(msginfo != NULL);
 162
 163         newmsginfo = procmsg_msginfo_new_ref(msginfo);
 164         g_hash_table_insert(cache->msgnum_table, &newmsginfo->msgnum, newmsginfo);
 165         if(newmsginfo->msgid != NULL)
 166                 g_hash_table_insert(cache->msgid_table, newmsginfo->msgid, newmsginfo);
 167         cache->memusage += procmsg_msginfo_memusage(msginfo);
 168         cache->last_access = time(NULL);
 169
 170         msginfo->folder->cache_dirty = TRUE;
 171
 172         debug_print("Cache size: %d messages, %u bytes\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
 173 }
 174
 175 void msgcache_remove_msg(MsgCache *cache, guint msgnum)
 176 {
 177         MsgInfo *msginfo;
 178
 179         cm_return_if_fail(cache != NULL);
 180         cm_return_if_fail(msgnum > 0);
 181
 182         msginfo = (MsgInfo *) g_hash_table_lookup(cache->msgnum_table, &msgnum);
 183         if(!msginfo)
 184                 return;
 185
 186         cache->memusage -= procmsg_msginfo_memusage(msginfo);
 187         if(msginfo->msgid)
 188                 g_hash_table_remove(cache->msgid_table, msginfo->msgid);
 189         g_hash_table_remove(cache->msgnum_table, &msginfo->msgnum);
 190         procmsg_msginfo_free(msginfo);
 191         cache->last_access = time(NULL);
 192
 193         msginfo->folder->cache_dirty = TRUE;
 194
 195         debug_print("Cache size: %d messages, %u bytes\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
 196 }
 197
 198 void msgcache_update_msg(MsgCache *cache, MsgInfo *msginfo)
 199 {
 200         MsgInfo *oldmsginfo, *newmsginfo;
 201
 202         cm_return_if_fail(cache != NULL);
 203         cm_return_if_fail(msginfo != NULL);
 204
 205         oldmsginfo = g_hash_table_lookup(cache->msgnum_table, &msginfo->msgnum);
 206         if(oldmsginfo && oldmsginfo->msgid)
 207                 g_hash_table_remove(cache->msgid_table, oldmsginfo->msgid);
 208         if (oldmsginfo) {
 209                 g_hash_table_remove(cache->msgnum_table, &oldmsginfo->msgnum);
 210                 cache->memusage -= procmsg_msginfo_memusage(oldmsginfo);
 211                 procmsg_msginfo_free(oldmsginfo);
 212         }
 213
 214         newmsginfo = procmsg_msginfo_new_ref(msginfo);
 215         g_hash_table_insert(cache->msgnum_table, &newmsginfo->msgnum, newmsginfo);
 216         if(newmsginfo->msgid)
 217                 g_hash_table_insert(cache->msgid_table, newmsginfo->msgid, newmsginfo);
 218         cache->memusage += procmsg_msginfo_memusage(newmsginfo);
 219         cache->last_access = time(NULL);
 220
 221         debug_print("Cache size: %d messages, %u bytes\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
 222
 223         msginfo->folder->cache_dirty = TRUE;
 224
 225         return;
 226 }
 227
 228 MsgInfo *msgcache_get_msg(MsgCache *cache, guint num)
 229 {
 230         MsgInfo *msginfo;
 231
 232         cm_return_val_if_fail(cache != NULL, NULL);
 233
 234         msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
 235         if(!msginfo)
 236                 return NULL;
 237         cache->last_access = time(NULL);
 238
 239         return procmsg_msginfo_new_ref(msginfo);
 240 }
 241
 242 MsgInfo *msgcache_get_msg_by_id(MsgCache *cache, const gchar *msgid)
 243 {
 244         MsgInfo *msginfo;
 245
 246         cm_return_val_if_fail(cache != NULL, NULL);
 247         cm_return_val_if_fail(msgid != NULL, NULL);
 248
 249         msginfo = g_hash_table_lookup(cache->msgid_table, msgid);
 250         if(!msginfo)
 251                 return NULL;
 252         cache->last_access = time(NULL);
 253
 254         return procmsg_msginfo_new_ref(msginfo);
 255 }
 256
 257 static void msgcache_get_msg_list_func(gpointer key, gpointer value, gpointer user_data)
 258 {
 259         MsgInfoList **listptr = user_data;
 260         MsgInfo *msginfo = value;
 261
 262         *listptr = g_slist_prepend(*listptr, procmsg_msginfo_new_ref(msginfo));
 263 }
 264
 265 MsgInfoList *msgcache_get_msg_list(MsgCache *cache)
 266 {
 267         MsgInfoList *msg_list = NULL;
 268         START_TIMING("");
 269         cm_return_val_if_fail(cache != NULL, NULL);
 270
 271         g_hash_table_foreach((GHashTable *)cache->msgnum_table, msgcache_get_msg_list_func, (gpointer)&msg_list);
 272         cache->last_access = time(NULL);
 273
 274         msg_list = g_slist_reverse(msg_list);
 275         END_TIMING();
 276         return msg_list;
 277 }
 278
 279 time_t msgcache_get_last_access_time(MsgCache *cache)
 280 {
 281         cm_return_val_if_fail(cache != NULL, 0);
 282
 283         return cache->last_access;
 284 }
 285
 286 gint msgcache_get_memory_usage(MsgCache *cache)
 287 {
 288         cm_return_val_if_fail(cache != NULL, 0);
 289
 290         return cache->memusage;
 291 }
 292
 293 /*
 294  *  Cache saving functions
 295  */
 296
 297 #define READ_CACHE_DATA(data, fp, total_len) \
 298 { \
 299         if ((tmp_len = msgcache_read_cache_data_str(fp, &data, conv)) < 0) { \
 300                 procmsg_msginfo_free(msginfo); \
 301                 error = TRUE; \
 302                 goto bail_err; \
 303         } \
 304         total_len += tmp_len; \
 305 }
 306
 307 #define READ_CACHE_DATA_INT(n, fp) \
 308 { \
 309         guint32 idata; \
 310         size_t ni; \
 311  \
 312         if ((ni = fread(&idata, sizeof(idata), 1, fp)) != 1) { \
 313                 g_warning("read_int: Cache data corrupted, read %zd of %zd at " \
 314                           "offset %ld\n", ni, sizeof(idata), ftell(fp)); \
 315                 procmsg_msginfo_free(msginfo); \
 316                 error = TRUE; \
 317                 goto bail_err; \
 318         } else \
 319                 n = swapping ? bswap_32(idata) : (idata);\
 320 }
 321
 322 #define GET_CACHE_DATA_INT(n) \
 323 { \
 324         n = (swapping ? (MMAP_TO_GUINT32_SWAPPED(walk_data)):(MMAP_TO_GUINT32(walk_data))); \
 325         walk_data += 4; rem_len -= 4;                   \
 326 }
 327
 328 #define GET_CACHE_DATA(data, total_len) \
 329 { \
 330         GET_CACHE_DATA_INT(tmp_len);    \
 331         if ((tmp_len = msgcache_get_cache_data_str(walk_data, &data, tmp_len, conv)) < 0) { \
 332                 g_print("error at rem_len:%d\n", rem_len);\
 333                 procmsg_msginfo_free(msginfo); \
 334                 error = TRUE; \
 335                 goto bail_err; \
 336         } \
 337         total_len += tmp_len; \
 338         walk_data += tmp_len; rem_len -= tmp_len; \
 339 }
 340
 341
 342 #define WRITE_CACHE_DATA_INT(n, fp)                     \
 343 {                                                       \
 344         guint32 idata;                                  \
 345                                                         \
 346         idata = (guint32)bswap_32(n);                   \
 347         if (SC_FWRITE(&idata, sizeof(idata), 1, fp) != 1)       \
 348                 w_err = 1;                              \
 349         wrote += 4;                                     \
 350 }
 351
 352 #define PUT_CACHE_DATA_INT(n)                           \
 353 {                                                       \
 354         walk_data[0]=(((guint32)n)&0x000000ff);                 \
 355         walk_data[1]=(((guint32)n)&0x0000ff00)>>8;              \
 356         walk_data[2]=(((guint32)n)&0x00ff0000)>>16;             \
 357         walk_data[3]=(((guint32)n)&0xff000000)>>24;             \
 358         walk_data += 4;                                 \
 359         wrote += 4;                                     \
 360 }
 361
 362 #define WRITE_CACHE_DATA(data, fp) \
 363 { \
 364         size_t len;                                     \
 365         if (data == NULL)                               \
 366                 len = 0;                                \
 367         else                                            \
 368                 len = strlen(data);                     \
 369         WRITE_CACHE_DATA_INT(len, fp);                  \
 370         if (w_err == 0 && len > 0) {                    \
 371                 if (SC_FWRITE(data, 1, len, fp) != len) \
 372                         w_err = 1;                      \
 373                 wrote += len;                           \
 374         } \
 375 }
 376
 377 #define PUT_CACHE_DATA(data)                            \
 378 {                                                       \
 379         size_t len;                                     \
 380         if (data == NULL)                               \
 381                 len = 0;                                \
 382         else                                            \
 383                 len = strlen(data);                     \
 384         PUT_CACHE_DATA_INT(len);                        \
 385         if (len > 0) {                                  \
 386                 memcpy(walk_data, data, len);           \
 387                 walk_data += len;                       \
 388                 wrote += len;                           \
 389         }                                               \
 390 }
 391
 392 static FILE *msgcache_open_data_file(const gchar *file, guint version,
 393                                      DataOpenMode mode,
 394                                      gchar *buf, size_t buf_size)
 395 {
 396         FILE *fp;
 397         gint32 data_ver;
 398
 399         cm_return_val_if_fail(file != NULL, NULL);
 400
 401         if (mode == DATA_WRITE) {
 402                 int w_err = 0, wrote = 0;
 403                 if ((fp = g_fopen(file, "wb")) == NULL) {
 404                         FILE_OP_ERROR(file, "fopen");
 405                         return NULL;
 406                 }
 407                 if (change_file_mode_rw(fp, file) < 0)
 408                         FILE_OP_ERROR(file, "chmod");
 409
 410                 WRITE_CACHE_DATA_INT(version, fp);
 411                 if (w_err != 0) {
 412                         g_warning("failed to write int\n");
 413                         fclose(fp);
 414                         return NULL;
 415                 }
 416                 return fp;
 417         }
 418
 419         /* check version */
 420         if ((fp = g_fopen(file, "rb")) == NULL)
 421                 debug_print("Mark/Cache file '%s' not found\n", file);
 422         else {
 423                 if (buf && buf_size > 0)
 424                         setvbuf(fp, buf, _IOFBF, buf_size);
 425                 if (fread(&data_ver, sizeof(data_ver), 1, fp) != 1 ||
 426                          version != bswap_32(data_ver)) {
 427                         g_message("%s: Mark/Cache version is different (%u != %u).\n",
 428                                   file, bswap_32(data_ver), version);
 429                         fclose(fp);
 430                         fp = NULL;
 431                 }
 432                 data_ver = bswap_32(data_ver);
 433         }
 434
 435         if (mode == DATA_READ)
 436                 return fp;
 437
 438         if (fp) {
 439                 /* reopen with append mode */
 440                 fclose(fp);
 441                 if ((fp = g_fopen(file, "ab")) == NULL)
 442                         FILE_OP_ERROR(file, "fopen");
 443         } else {
 444                 /* open with overwrite mode if mark file doesn't exist or
 445                    version is different */
 446                 fp = msgcache_open_data_file(file, version, DATA_WRITE, buf,
 447                                             buf_size);
 448         }
 449
 450         return fp;
 451 }
 452
 453 static gint msgcache_read_cache_data_str(FILE *fp, gchar **str,
 454                                          StringConverter *conv)
 455 {
 456         gchar *tmpstr = NULL;
 457         size_t ni;
 458         guint32 len;
 459
 460         *str = NULL;
 461         if (!swapping) {
 462                 if ((ni = fread(&len, sizeof(len), 1, fp) != 1) ||
 463                     len > G_MAXINT) {
 464                         g_warning("read_data_str: Cache data (len) corrupted, read %zd "
 465                                   "of %zd bytes at offset %ld\n", ni, sizeof(len),
 466                                   ftell(fp));
 467                         return -1;
 468                 }
 469         } else {
 470                 if ((ni = fread(&len, sizeof(len), 1, fp) != 1) ||
 471                     bswap_32(len) > G_MAXINT) {
 472                         g_warning("read_data_str: Cache data (len) corrupted, read %zd "
 473                                   "of %zd bytes at offset %ld\n", ni, sizeof(len),
 474                                   ftell(fp));
 475                         return -1;
 476                 }
 477                 len = bswap_32(len);
 478         }
 479
 480         if (len == 0)
 481                 return 0;
 482
 483         tmpstr = g_try_malloc(len + 1);
 484
 485         if(tmpstr == NULL) {
 486                 return -1;
 487         }
 488
 489         if ((ni = fread(tmpstr, 1, len, fp)) != len) {
 490                 g_warning("read_data_str: Cache data corrupted, read %zd of %u "
 491                           "bytes at offset %ld\n",
 492                           ni, len, ftell(fp));
 493                 g_free(tmpstr);
 494                 return -1;
 495         }
 496         tmpstr[len] = 0;
 497
 498         if (conv != NULL) {
 499                 *str = conv->convert(conv, tmpstr);
 500                 g_free(tmpstr);
 501         } else
 502                 *str = tmpstr;
 503
 504         return len;
 505 }
 506
 507 static gint msgcache_get_cache_data_str(gchar *src, gchar **str, gint len,
 508                                          StringConverter *conv)
 509 {
 510         gchar *tmpstr = NULL;
 511
 512         *str = NULL;
 513
 514         if (len == 0)
 515                 return 0;
 516
 517         if(len > 2*1024*1024) {
 518                 g_warning("read_data_str: refusing to allocate %d bytes.\n", len);
 519                 return -1;
 520         }
 521
 522         tmpstr = g_try_malloc(len + 1);
 523
 524         if(tmpstr == NULL) {
 525                 return -1;
 526         }
 527
 528         memcpy(tmpstr, src, len);
 529         tmpstr[len] = 0;
 530
 531         if (conv != NULL) {
 532                 *str = conv->convert(conv, tmpstr);
 533                 g_free(tmpstr);
 534         } else
 535                 *str = tmpstr;
 536
 537         return len;
 538 }
 539
 540 static gchar *strconv_charset_convert(StringConverter *conv, gchar *srcstr)
 541 {
 542         CharsetConverter *charsetconv = (CharsetConverter *) conv;
 543
 544         return conv_codeset_strdup(srcstr, charsetconv->srccharset, charsetconv->dstcharset);
 545 }
 546
 547 static void strconv_charset_free(StringConverter *conv)
 548 {
 549         CharsetConverter *charsetconv = (CharsetConverter *) conv;
 550
 551         g_free(charsetconv->srccharset);
 552         g_free(charsetconv->dstcharset);
 553 }
 554
 555 MsgCache *msgcache_read_cache(FolderItem *item, const gchar *cache_file)
 556 {
 557         MsgCache *cache;
 558         FILE *fp;
 559         MsgInfo *msginfo;
 560         MsgTmpFlags tmp_flags = 0;
 561         gchar file_buf[BUFFSIZE];
 562         guint32 num;
 563         guint refnum;
 564         gboolean error = FALSE;
 565         StringConverter *conv = NULL;
 566         gchar *srccharset = NULL;
 567         const gchar *dstcharset = NULL;
 568         gchar *ref = NULL;
 569         guint memusage = 0;
 570         gint tmp_len = 0, map_len = -1;
 571         char *cache_data = NULL;
 572         struct stat st;
 573
 574         cm_return_val_if_fail(cache_file != NULL, NULL);
 575         cm_return_val_if_fail(item != NULL, NULL);
 576
 577         swapping = TRUE;
 578
 579         /* In case we can't open the mark file with MARK_VERSION, check if we can open it with the
 580          * swapped MARK_VERSION. As msgcache_open_data_file swaps it too, if this succeeds,
 581          * it means it's the old version (not little-endian) on a big-endian machine. The code has
 582          * no effect on x86 as their file doesn't change. */
 583
 584         if ((fp = msgcache_open_data_file
 585                 (cache_file, CACHE_VERSION, DATA_READ, file_buf, sizeof(file_buf))) == NULL) {
 586                 if ((fp = msgcache_open_data_file
 587                 (cache_file, bswap_32(CACHE_VERSION), DATA_READ, file_buf, sizeof(file_buf))) == NULL)
 588                         return NULL;
 589                 else
 590                         swapping = FALSE;
 591         }
 592
 593         debug_print("\tReading %sswapped message cache from %s...\n", swapping?"":"un", cache_file);
 594
 595         if (folder_has_parent_of_type(item, F_QUEUE)) {
 596                 tmp_flags |= MSG_QUEUED;
 597         } else if (folder_has_parent_of_type(item, F_DRAFT)) {
 598                 tmp_flags |= MSG_DRAFT;
 599         }
 600
 601         if (msgcache_read_cache_data_str(fp, &srccharset, NULL) < 0) {
 602                 fclose(fp);
 603                 return NULL;
 604         }
 605         dstcharset = CS_UTF_8;
 606         if (srccharset == NULL || dstcharset == NULL) {
 607                 conv = NULL;
 608         } else if (strcmp(srccharset, dstcharset) == 0) {
 609                 debug_print("using Noop Converter\n");
 610
 611                 conv = NULL;
 612         } else {
 613                 CharsetConverter *charsetconv;
 614
 615                 debug_print("using CharsetConverter\n");
 616
 617                 charsetconv = g_new0(CharsetConverter, 1);
 618                 charsetconv->converter.convert = strconv_charset_convert;
 619                 charsetconv->converter.free = strconv_charset_free;
 620                 charsetconv->srccharset = g_strdup(srccharset);
 621                 charsetconv->dstcharset = g_strdup(dstcharset);
 622
 623                 conv = (StringConverter *) charsetconv;
 624         }
 625         g_free(srccharset);
 626
 627         cache = msgcache_new();
 628
 629         if (msgcache_use_mmap_read == TRUE) {
 630                 if (fstat(fileno(fp), &st) >= 0)
 631                         map_len = st.st_size;
 632                 else
 633                         map_len = -1;
 634                 if (map_len > 0) {
 635 #ifdef G_OS_WIN32
 636                         cache_data = NULL;
 637                         HANDLE hFile, hMapping;
 638                         hFile = (HANDLE) _get_osfhandle (fileno(fp));
 639                         if (hFile == (HANDLE) -1)
 640                                 goto w32_fail;
 641                         hMapping = CreateFileMapping(hFile, NULL, PAGE_WRITECOPY, 0, 0, NULL);
 642                         if (!hMapping)
 643                                 goto w32_fail;
 644                         cache_data = (unsigned char *)MapViewOfFile(hMapping, FILE_MAP_COPY, 0, 0, 0);
 645                         CloseHandle (hMapping);
 646                 w32_fail:
 647                         ;
 648 #else
 649                         cache_data = mmap(NULL, map_len, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
 650 #endif
 651                 }
 652         } else {
 653                 cache_data = NULL;
 654         }
 655         if (cache_data != NULL && cache_data != MAP_FAILED) {
 656                 int rem_len = map_len-ftell(fp);
 657                 char *walk_data = cache_data+ftell(fp);
 658
 659                 while(rem_len > 0) {
 660                         GET_CACHE_DATA_INT(num);
 661
 662                         msginfo = procmsg_msginfo_new();
 663                         msginfo->msgnum = num;
 664                         memusage += sizeof(MsgInfo);
 665
 666                         GET_CACHE_DATA_INT(msginfo->size);
 667                         GET_CACHE_DATA_INT(msginfo->mtime);
 668                         GET_CACHE_DATA_INT(msginfo->date_t);
 669                         GET_CACHE_DATA_INT(msginfo->flags.tmp_flags);
 670
 671                         GET_CACHE_DATA(msginfo->fromname, memusage);
 672
 673                         GET_CACHE_DATA(msginfo->date, memusage);
 674                         GET_CACHE_DATA(msginfo->from, memusage);
 675                         GET_CACHE_DATA(msginfo->to, memusage);
 676                         GET_CACHE_DATA(msginfo->cc, memusage);
 677                         GET_CACHE_DATA(msginfo->newsgroups, memusage);
 678                         GET_CACHE_DATA(msginfo->subject, memusage);
 679                         GET_CACHE_DATA(msginfo->msgid, memusage);
 680                         GET_CACHE_DATA(msginfo->inreplyto, memusage);
 681                         GET_CACHE_DATA(msginfo->xref, memusage);
 682
 683                         GET_CACHE_DATA_INT(msginfo->planned_download);
 684                         GET_CACHE_DATA_INT(msginfo->total_size);
 685                         GET_CACHE_DATA_INT(refnum);
 686
 687                         for (; refnum != 0; refnum--) {
 688                                 ref = NULL;
 689
 690                                 GET_CACHE_DATA(ref, memusage);
 691
 692                                 if (ref && *ref)
 693                                         msginfo->references =
 694                                                 g_slist_prepend(msginfo->references, ref);
 695                         }
 696                         if (msginfo->references)
 697                                 msginfo->references =
 698                                         g_slist_reverse(msginfo->references);
 699
 700                         msginfo->folder = item;
 701                         msginfo->flags.tmp_flags |= tmp_flags;
 702
 703                         g_hash_table_insert(cache->msgnum_table, &msginfo->msgnum, msginfo);
 704                         if(msginfo->msgid)
 705                                 g_hash_table_insert(cache->msgid_table, msginfo->msgid, msginfo);
 706                 }
 707
 708 #ifdef G_OS_WIN32
 709                 UnmapViewOfFile((void*) cache_data);
 710 #else
 711                 munmap(cache_data, map_len);
 712 #endif
 713         } else {
 714                 while (fread(&num, sizeof(num), 1, fp) == 1) {
 715                         if (swapping)
 716                                 num = bswap_32(num);
 717
 718                         msginfo = procmsg_msginfo_new();
 719                         msginfo->msgnum = num;
 720                         memusage += sizeof(MsgInfo);
 721
 722                         READ_CACHE_DATA_INT(msginfo->size, fp);
 723                         READ_CACHE_DATA_INT(msginfo->mtime, fp);
 724                         READ_CACHE_DATA_INT(msginfo->date_t, fp);
 725                         READ_CACHE_DATA_INT(msginfo->flags.tmp_flags, fp);
 726
 727                         READ_CACHE_DATA(msginfo->fromname, fp, memusage);
 728
 729                         READ_CACHE_DATA(msginfo->date, fp, memusage);
 730                         READ_CACHE_DATA(msginfo->from, fp, memusage);
 731                         READ_CACHE_DATA(msginfo->to, fp, memusage);
 732                         READ_CACHE_DATA(msginfo->cc, fp, memusage);
 733                         READ_CACHE_DATA(msginfo->newsgroups, fp, memusage);
 734                         READ_CACHE_DATA(msginfo->subject, fp, memusage);
 735                         READ_CACHE_DATA(msginfo->msgid, fp, memusage);
 736                         READ_CACHE_DATA(msginfo->inreplyto, fp, memusage);
 737                         READ_CACHE_DATA(msginfo->xref, fp, memusage);
 738
 739                         READ_CACHE_DATA_INT(msginfo->planned_download, fp);
 740                         READ_CACHE_DATA_INT(msginfo->total_size, fp);
 741                         READ_CACHE_DATA_INT(refnum, fp);
 742
 743                         for (; refnum != 0; refnum--) {
 744                                 ref = NULL;
 745
 746                                 READ_CACHE_DATA(ref, fp, memusage);
 747
 748                                 if (ref && *ref)
 749                                         msginfo->references =
 750                                                 g_slist_prepend(msginfo->references, ref);
 751                         }
 752                         if (msginfo->references)
 753                                 msginfo->references =
 754                                         g_slist_reverse(msginfo->references);
 755
 756                         msginfo->folder = item;
 757                         msginfo->flags.tmp_flags |= tmp_flags;
 758
 759                         g_hash_table_insert(cache->msgnum_table, &msginfo->msgnum, msginfo);
 760                         if(msginfo->msgid)
 761                                 g_hash_table_insert(cache->msgid_table, msginfo->msgid, msginfo);
 762                 }
 763         }
 764 bail_err:
 765         fclose(fp);
 766
 767         if (conv != NULL) {
 768                 if (conv->free != NULL)
 769                         conv->free(conv);
 770                 g_free(conv);
 771         }
 772
 773         if(error) {
 774                 msgcache_destroy(cache);
 775                 return NULL;
 776         }
 777
 778         cache->last_access = time(NULL);
 779         cache->memusage = memusage;
 780
 781         debug_print("done. (%d items read)\n", g_hash_table_size(cache->msgnum_table));
 782         debug_print("Cache size: %d messages, %u bytes\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
 783
 784         return cache;
 785 }
 786
 787 void msgcache_read_mark(MsgCache *cache, const gchar *mark_file)
 788 {
 789         FILE *fp;
 790         MsgInfo *msginfo;
 791         MsgPermFlags perm_flags;
 792         guint32 num;
 793         gint map_len = -1;
 794         char *cache_data = NULL;
 795         struct stat st;
 796
 797         swapping = TRUE;
 798
 799         /* In case we can't open the mark file with MARK_VERSION, check if we can open it with the
 800          * swapped MARK_VERSION. As msgcache_open_data_file swaps it too, if this succeeds,
 801          * it means it's the old version (not little-endian) on a big-endian machine. The code has
 802          * no effect on x86 as their file doesn't change. */
 803
 804         if ((fp = msgcache_open_data_file(mark_file, MARK_VERSION, DATA_READ, NULL, 0)) == NULL) {
 805                 /* see if it isn't swapped ? */
 806                 if ((fp = msgcache_open_data_file(mark_file, bswap_32(MARK_VERSION), DATA_READ, NULL, 0)) == NULL)
 807                         return;
 808                 else
 809                         swapping = FALSE; /* yay */
 810         }
 811         debug_print("reading %sswapped mark file.\n", swapping?"":"un");
 812
 813         if (msgcache_use_mmap_read) {
 814                 if (fstat(fileno(fp), &st) >= 0)
 815                         map_len = st.st_size;
 816                 else
 817                         map_len = -1;
 818                 if (map_len > 0) {
 819 #ifdef G_OS_WIN32
 820                         cache_data = NULL;
 821                         HANDLE hFile, hMapping;
 822                         hFile = (HANDLE) _get_osfhandle (fileno(fp));
 823                         if (hFile == (HANDLE) -1)
 824                                 goto w32_fail2;
 825                         hMapping = CreateFileMapping(hFile, NULL, PAGE_WRITECOPY, 0, 0, NULL);
 826                         if (!hMapping)
 827                                 goto w32_fail2;
 828                         cache_data = (unsigned char *)MapViewOfFile(hMapping, FILE_MAP_COPY, 0, 0, 0);
 829                         CloseHandle (hMapping);
 830                 w32_fail2:
 831                         ;
 832 #else
 833                         cache_data = mmap(NULL, map_len, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
 834 #endif
 835                 }
 836         } else {
 837                 cache_data = NULL;
 838         }
 839         if (cache_data != NULL && cache_data != MAP_FAILED) {
 840                 int rem_len = map_len-ftell(fp);
 841                 char *walk_data = cache_data+ftell(fp);
 842
 843                 while(rem_len > 0) {
 844                         GET_CACHE_DATA_INT(num);
 845                         GET_CACHE_DATA_INT(perm_flags);
 846                         msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
 847                         if(msginfo) {
 848                                 msginfo->flags.perm_flags = perm_flags;
 849                         }
 850                 }
 851 #ifdef G_OS_WIN32
 852                 UnmapViewOfFile((void*) cache_data);
 853 #else
 854                 munmap(cache_data, map_len);
 855 #endif
 856         } else {
 857                 while (fread(&num, sizeof(num), 1, fp) == 1) {
 858                         if (swapping)
 859                                 num = bswap_32(num);
 860                         if (fread(&perm_flags, sizeof(perm_flags), 1, fp) != 1) break;
 861                         if (swapping)
 862                                 perm_flags = bswap_32(perm_flags);
 863                         msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
 864                         if(msginfo) {
 865                                 msginfo->flags.perm_flags = perm_flags;
 866                         }
 867                 }
 868         }
 869         fclose(fp);
 870 }
 871
 872 void msgcache_read_tags(MsgCache *cache, const gchar *tags_file)
 873 {
 874         FILE *fp;
 875         MsgInfo *msginfo;
 876         guint32 num;
 877         gint map_len = -1;
 878         char *cache_data = NULL;
 879         struct stat st;
 880
 881         swapping = TRUE;
 882
 883         /* In case we can't open the mark file with MARK_VERSION, check if we can open it with the
 884          * swapped MARK_VERSION. As msgcache_open_data_file swaps it too, if this succeeds,
 885          * it means it's the old version (not little-endian) on a big-endian machine. The code has
 886          * no effect on x86 as their file doesn't change. */
 887
 888         if ((fp = msgcache_open_data_file(tags_file, TAGS_VERSION, DATA_READ, NULL, 0)) == NULL) {
 889                 /* see if it isn't swapped ? */
 890                 if ((fp = msgcache_open_data_file(tags_file, bswap_32(TAGS_VERSION), DATA_READ, NULL, 0)) == NULL)
 891                         return;
 892                 else
 893                         swapping = FALSE; /* yay */
 894         }
 895         debug_print("reading %sswapped tags file.\n", swapping?"":"un");
 896
 897         if (msgcache_use_mmap_read) {
 898                 if (fstat(fileno(fp), &st) >= 0)
 899                         map_len = st.st_size;
 900                 else
 901                         map_len = -1;
 902                 if (map_len > 0) {
 903 #ifdef G_OS_WIN32
 904                         cache_data = NULL;
 905                         HANDLE hFile, hMapping;
 906                         hFile = (HANDLE) _get_osfhandle (fileno(fp));
 907                         if (hFile == (HANDLE) -1)
 908                                 goto w32_fail6;
 909                         hMapping = CreateFileMapping(hFile, NULL, PAGE_WRITECOPY, 0, 0, NULL);
 910                         if (!hMapping)
 911                                 goto w32_fail6;
 912                         cache_data = (unsigned char *)MapViewOfFile(hMapping, FILE_MAP_COPY, 0, 0, 0);
 913                         CloseHandle (hMapping);
 914                 w32_fail6:
 915                         ;
 916 #else
 917                         cache_data = mmap(NULL, map_len, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
 918 #endif
 919                 }
 920         } else {
 921                 cache_data = NULL;
 922         }
 923         if (cache_data != NULL && cache_data != MAP_FAILED) {
 924                 int rem_len = map_len-ftell(fp);
 925                 char *walk_data = cache_data+ftell(fp);
 926
 927                 while(rem_len > 0) {
 928                         gint id = -1;
 929                         GET_CACHE_DATA_INT(num);
 930                         msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
 931                         if(msginfo) {
 932                                 g_slist_free(msginfo->tags);
 933                                 msginfo->tags = NULL;
 934                                 do {
 935                                         GET_CACHE_DATA_INT(id);
 936                                         if (id > 0) {
 937                                                 msginfo->tags = g_slist_prepend(
 938                                                         msginfo->tags,
 939                                                         GINT_TO_POINTER(id));
 940                                         }
 941                                 } while (id > 0);
 942                                 msginfo->tags = g_slist_reverse(msginfo->tags);
 943                         }
 944                 }
 945 #ifdef G_OS_WIN32
 946                 UnmapViewOfFile((void*) cache_data);
 947 #else
 948                 munmap(cache_data, map_len);
 949 #endif
 950         } else {
 951                 while (fread(&num, sizeof(num), 1, fp) == 1) {
 952                         gint id = -1;
 953                         if (swapping)
 954                                 num = bswap_32(num);
 955                         msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
 956                         if(msginfo) {
 957                                 g_slist_free(msginfo->tags);
 958                                 msginfo->tags = NULL;
 959                                 do {
 960                                         if (fread(&id, sizeof(id), 1, fp) != 1)
 961                                                 id = -1;
 962                                         if (swapping)
 963                                                 id = bswap_32(id);
 964                                         if (id > 0) {
 965                                                 msginfo->tags = g_slist_prepend(
 966                                                         msginfo->tags,
 967                                                         GINT_TO_POINTER(id));
 968                                         }
 969                                 } while (id > 0);
 970                                 msginfo->tags = g_slist_reverse(msginfo->tags);
 971                         }
 972                 }
 973         }
 974         fclose(fp);
 975 }
 976
 977 static int msgcache_write_cache(MsgInfo *msginfo, FILE *fp)
 978 {
 979         MsgTmpFlags flags = msginfo->flags.tmp_flags & MSG_CACHED_FLAG_MASK;
 980         GSList *cur;
 981         int w_err = 0, wrote = 0;
 982
 983         WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
 984         WRITE_CACHE_DATA_INT(msginfo->size, fp);
 985         WRITE_CACHE_DATA_INT(msginfo->mtime, fp);
 986         WRITE_CACHE_DATA_INT(msginfo->date_t, fp);
 987         WRITE_CACHE_DATA_INT(flags, fp);
 988
 989         WRITE_CACHE_DATA(msginfo->fromname, fp);
 990
 991         WRITE_CACHE_DATA(msginfo->date, fp);
 992         WRITE_CACHE_DATA(msginfo->from, fp);
 993         WRITE_CACHE_DATA(msginfo->to, fp);
 994         WRITE_CACHE_DATA(msginfo->cc, fp);
 995         WRITE_CACHE_DATA(msginfo->newsgroups, fp);
 996         WRITE_CACHE_DATA(msginfo->subject, fp);
 997         WRITE_CACHE_DATA(msginfo->msgid, fp);
 998         WRITE_CACHE_DATA(msginfo->inreplyto, fp);
 999         WRITE_CACHE_DATA(msginfo->xref, fp);
1000         WRITE_CACHE_DATA_INT(msginfo->planned_download, fp);
1001         WRITE_CACHE_DATA_INT(msginfo->total_size, fp);
1002
1003         WRITE_CACHE_DATA_INT(g_slist_length(msginfo->references), fp);
1004
1005         for (cur = msginfo->references; cur != NULL; cur = cur->next) {
1006                 WRITE_CACHE_DATA((gchar *)cur->data, fp);
1007         }
1008         return w_err ? -1 : wrote;
1009 }
1010
1011 static int msgcache_write_flags(MsgInfo *msginfo, FILE *fp)
1012 {
1013         MsgPermFlags flags = msginfo->flags.perm_flags;
1014         int w_err = 0, wrote = 0;
1015         WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
1016         WRITE_CACHE_DATA_INT(flags, fp);
1017         return w_err ? -1 : wrote;
1018 }
1019
1020 static int msgcache_write_tags(MsgInfo *msginfo, FILE *fp)
1021 {
1022         GSList *cur = msginfo->tags;
1023         int w_err = 0, wrote = 0;
1024
1025         WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
1026         for (; cur; cur = cur->next) {
1027                 gint id = GPOINTER_TO_INT(cur->data);
1028                 if (tags_get_tag(id) != NULL) {
1029                         WRITE_CACHE_DATA_INT(id, fp);
1030                 }
1031         }
1032         WRITE_CACHE_DATA_INT(-1, fp);
1033
1034         return w_err ? -1 : wrote;
1035 }
1036
1037 struct write_fps
1038 {
1039         FILE *cache_fp;
1040         FILE *mark_fp;
1041         FILE *tags_fp;
1042         int error;
1043         guint cache_size;
1044         guint mark_size;
1045         guint tags_size;
1046 };
1047
1048 static void msgcache_write_func(gpointer key, gpointer value, gpointer user_data)
1049 {
1050         MsgInfo *msginfo;
1051         struct write_fps *write_fps;
1052         int tmp;
1053
1054         msginfo = (MsgInfo *)value;
1055         write_fps = user_data;
1056
1057         if (write_fps->cache_fp) {
1058                 tmp = msgcache_write_cache(msginfo, write_fps->cache_fp);
1059                 if (tmp < 0)
1060                         write_fps->error = 1;
1061                 else
1062                         write_fps->cache_size += tmp;
1063         }
1064         if (write_fps->mark_fp) {
1065         tmp= msgcache_write_flags(msginfo, write_fps->mark_fp);
1066                 if (tmp < 0)
1067                         write_fps->error = 1;
1068                 else
1069                         write_fps->mark_size += tmp;
1070                 }
1071         if (write_fps->tags_fp) {
1072                 tmp = msgcache_write_tags(msginfo, write_fps->tags_fp);
1073                 if (tmp < 0)
1074                         write_fps->error = 1;
1075                 else
1076                         write_fps->tags_size += tmp;
1077         }
1078 }
1079
1080 gint msgcache_write(const gchar *cache_file, const gchar *mark_file, const gchar *tags_file, MsgCache *cache)
1081 {
1082         struct write_fps write_fps;
1083         gchar *new_cache, *new_mark, *new_tags;
1084         int w_err = 0, wrote = 0;
1085
1086         START_TIMING("");
1087         cm_return_val_if_fail(cache != NULL, -1);
1088
1089         new_cache = g_strconcat(cache_file, ".new", NULL);
1090         new_mark  = g_strconcat(mark_file, ".new", NULL);
1091         new_tags  = g_strconcat(tags_file, ".new", NULL);
1092
1093         write_fps.error = 0;
1094         write_fps.cache_size = 0;
1095         write_fps.mark_size = 0;
1096         write_fps.tags_size = 0;
1097
1098         /* open files and write headers */
1099
1100         if (cache_file) {
1101                 write_fps.cache_fp = msgcache_open_data_file(new_cache, CACHE_VERSION,
1102                         DATA_WRITE, NULL, 0);
1103                 if (write_fps.cache_fp == NULL) {
1104                         g_free(new_cache);
1105                         g_free(new_mark);
1106                         g_free(new_tags);
1107                         return -1;
1108                 }
1109                 WRITE_CACHE_DATA(CS_UTF_8, write_fps.cache_fp);
1110         } else {
1111                 write_fps.cache_fp = NULL;
1112         }
1113
1114         if (w_err != 0) {
1115                 g_warning("failed to write charset\n");
1116                 fclose(write_fps.cache_fp);
1117                 claws_unlink(new_cache);
1118                 g_free(new_cache);
1119                 g_free(new_mark);
1120                 g_free(new_tags);
1121                 return -1;
1122         }
1123
1124         if (mark_file) {
1125                 write_fps.mark_fp = msgcache_open_data_file(new_mark, MARK_VERSION,
1126                         DATA_WRITE, NULL, 0);
1127                 if (write_fps.mark_fp == NULL) {
1128                         fclose(write_fps.cache_fp);
1129                         claws_unlink(new_cache);
1130                         g_free(new_cache);
1131                         g_free(new_mark);
1132                         g_free(new_tags);
1133                         return -1;
1134                 }
1135         } else {
1136                 write_fps.mark_fp = NULL;
1137         }
1138
1139         if (tags_file) {
1140                 write_fps.tags_fp = msgcache_open_data_file(new_tags, TAGS_VERSION,
1141                         DATA_WRITE, NULL, 0);
1142                 if (write_fps.tags_fp == NULL) {
1143                         fclose(write_fps.cache_fp);
1144                         fclose(write_fps.mark_fp);
1145                         claws_unlink(new_cache);
1146                         claws_unlink(new_mark);
1147                         g_free(new_cache);
1148                         g_free(new_mark);
1149                         g_free(new_tags);
1150                         return -1;
1151                 }
1152         } else {
1153                 write_fps.tags_fp = NULL;
1154         }
1155
1156         debug_print("\tWriting message cache to %s and %s...\n", new_cache, new_mark);
1157
1158         if (write_fps.cache_fp && change_file_mode_rw(write_fps.cache_fp, new_cache) < 0)
1159                 FILE_OP_ERROR(new_cache, "chmod");
1160
1161         /* headers written, note file size */
1162         if (write_fps.cache_fp)
1163                 write_fps.cache_size = ftell(write_fps.cache_fp);
1164         if (write_fps.mark_fp)
1165                 write_fps.mark_size = ftell(write_fps.mark_fp);
1166         if (write_fps.tags_fp)
1167                 write_fps.tags_size = ftell(write_fps.tags_fp);
1168
1169 #ifdef HAVE_FWRITE_UNLOCKED
1170         /* lock files for write once (instead of once per fwrite) */
1171         if (write_fps.cache_fp)
1172                 flockfile(write_fps.cache_fp);
1173         if (write_fps.mark_fp)
1174                 flockfile(write_fps.mark_fp);
1175         if (write_fps.tags_fp)
1176                 flockfile(write_fps.tags_fp);
1177 #endif
1178         /* write data to the files */
1179         g_hash_table_foreach(cache->msgnum_table, msgcache_write_func, (gpointer)&write_fps);
1180 #ifdef HAVE_FWRITE_UNLOCKED
1181         /* unlock files */
1182         if (write_fps.cache_fp)
1183                 funlockfile(write_fps.cache_fp);
1184         if (write_fps.mark_fp)
1185                 funlockfile(write_fps.mark_fp);
1186         if (write_fps.tags_fp)
1187                 funlockfile(write_fps.tags_fp);
1188 #endif
1189         /* flush buffers */
1190         if (write_fps.cache_fp)
1191                 write_fps.error |= (fflush(write_fps.cache_fp) != 0);
1192         if (write_fps.mark_fp)
1193                 write_fps.error |= (fflush(write_fps.mark_fp) != 0);
1194         if (write_fps.tags_fp)
1195                 write_fps.error |= (fflush(write_fps.tags_fp) != 0);
1196
1197         /* sync to filesystem */
1198         if (prefs_common.flush_metadata && write_fps.cache_fp)
1199                 write_fps.error |= (fsync(fileno(write_fps.cache_fp)) != 0);
1200         if (prefs_common.flush_metadata && write_fps.mark_fp)
1201                 write_fps.error |= (fsync(fileno(write_fps.mark_fp)) != 0);
1202         if (prefs_common.flush_metadata && write_fps.tags_fp)
1203                 write_fps.error |= (fsync(fileno(write_fps.tags_fp)) != 0);
1204
1205         /* close files */
1206         if (write_fps.cache_fp)
1207                 write_fps.error |= (fclose(write_fps.cache_fp) != 0);
1208         if (write_fps.mark_fp)
1209                 write_fps.error |= (fclose(write_fps.mark_fp) != 0);
1210         if (write_fps.tags_fp)
1211                 write_fps.error |= (fclose(write_fps.tags_fp) != 0);
1212
1213
1214         if (write_fps.error != 0) {
1215                 /* in case of error, forget all */
1216                 claws_unlink(new_cache);
1217                 claws_unlink(new_mark);
1218                 claws_unlink(new_tags);
1219                 g_free(new_cache);
1220                 g_free(new_mark);
1221                 g_free(new_tags);
1222                 return -1;
1223         } else {
1224                 /* switch files */
1225                 if (cache_file)
1226                         move_file(new_cache, cache_file, TRUE);
1227                 if (mark_file)
1228                         move_file(new_mark, mark_file, TRUE);
1229                 if (tags_file)
1230                         move_file(new_tags, tags_file, TRUE);
1231                 cache->last_access = time(NULL);
1232         }
1233
1234         g_free(new_cache);
1235         g_free(new_mark);
1236         g_free(new_tags);
1237         debug_print("done.\n");
1238         END_TIMING();
1239         return 0;
1240 }
1241