src/mh.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <dirent.h>
  29 #include <sys/stat.h>
  30 #include <unistd.h>
  31 #include <string.h>
  32 #include <errno.h>
  33
  34 #undef MEASURE_TIME
  35
  36 #ifdef MEASURE_TIME
  37 #  include <sys/time.h>
  38 #endif
  39
  40 #include "folder.h"
  41 #include "mh.h"
  42 #include "procmsg.h"
  43 #include "procheader.h"
  44 #include "utils.h"
  45 #include "codeconv.h"
  46 #include "statusbar.h"
  47 #include "gtkutils.h"
  48
  49 /* Define possible missing constants for Windows. */
  50 #ifdef G_OS_WIN32
  51 # ifndef S_IRGRP
  52 # define S_IRGRP 0
  53 # define S_IWGRP 0
  54 # endif
  55 # ifndef S_IROTH
  56 # define S_IROTH 0
  57 # define S_IWOTH 0
  58 # endif
  59 #endif
  60
  61
  62 static void     mh_folder_init          (Folder         *folder,
  63                                          const gchar    *name,
  64                                          const gchar    *path);
  65
  66 static Folder   *mh_folder_new          (const gchar    *name,
  67                                          const gchar    *path);
  68 static void     mh_folder_destroy       (Folder         *folder);
  69 static gchar   *mh_fetch_msg            (Folder         *folder,
  70                                          FolderItem     *item,
  71                                          gint            num);
  72 static MsgInfo *mh_get_msginfo          (Folder         *folder,
  73                                          FolderItem     *item,
  74                                          gint            num);
  75 static gint     mh_add_msg              (Folder         *folder,
  76                                          FolderItem     *dest,
  77                                          const gchar    *file,
  78                                          MsgFlags       *flags);
  79 static gint     mh_add_msgs             (Folder         *folder,
  80                                          FolderItem     *dest,
  81                                          GSList         *file_list,
  82                                          GRelation      *relation);
  83 static gint     mh_copy_msg             (Folder         *folder,
  84                                          FolderItem     *dest,
  85                                          MsgInfo        *msginfo);
  86 static gint     mh_copy_msgs            (Folder         *folder,
  87                                          FolderItem     *dest,
  88                                          MsgInfoList    *msglist,
  89                                          GRelation      *relation);
  90 static gint     mh_remove_msg           (Folder         *folder,
  91                                          FolderItem     *item,
  92                                          gint            num);
  93 static gint     mh_remove_msgs          (Folder         *folder,
  94                                          FolderItem     *item,
  95                                          MsgInfoList    *msglist,
  96                                          GRelation      *relation);
  97 static gint     mh_remove_all_msg       (Folder         *folder,
  98                                          FolderItem     *item);
  99 static gboolean mh_is_msg_changed       (Folder         *folder,
 100                                          FolderItem     *item,
 101                                          MsgInfo        *msginfo);
 102
 103 static gint     mh_get_num_list         (Folder         *folder,
 104                                          FolderItem     *item,
 105                                          GSList         **list,
 106                                          gboolean       *old_uids_valid);
 107 static gint     mh_scan_tree            (Folder         *folder);
 108
 109 static gint    mh_create_tree           (Folder         *folder);
 110 static FolderItem *mh_create_folder     (Folder         *folder,
 111                                          FolderItem     *parent,
 112                                          const gchar    *name);
 113 static gint    mh_rename_folder         (Folder         *folder,
 114                                          FolderItem     *item,
 115                                          const gchar    *name);
 116 static gint    mh_remove_folder         (Folder         *folder,
 117                                          FolderItem     *item);
 118
 119 static gchar   *mh_get_new_msg_filename         (FolderItem     *dest);
 120
 121 static MsgInfo *mh_parse_msg                    (const gchar    *file,
 122                                                  FolderItem     *item);
 123 static void     mh_remove_missing_folder_items  (Folder         *folder);
 124 static gchar    *mh_filename_from_utf8          (const gchar    *path);
 125 static gchar    *mh_filename_to_utf8            (const gchar    *path);
 126 static void     mh_scan_tree_recursive          (FolderItem     *item);
 127
 128 static gboolean mh_rename_folder_func           (GNode          *node,
 129                                                  gpointer        data);
 130 static gchar   *mh_item_get_path                (Folder *folder,
 131                                                  FolderItem *item);
 132
 133 static gboolean mh_scan_required        (Folder         *folder,
 134                                          FolderItem     *item);
 135 static int mh_item_close                (Folder         *folder,
 136                                          FolderItem     *item);
 137 #if 0
 138 static gint mh_get_flags                (Folder *folder, FolderItem *item,
 139                                          MsgInfoList *msginfo_list, GRelation *msgflags);
 140 #endif
 141 static void mh_write_sequences          (FolderItem     *item, gboolean remove_unseen);
 142
 143 static FolderClass mh_class;
 144
 145 FolderClass *mh_get_class(void)
 146 {
 147         if (mh_class.idstr == NULL) {
 148                 mh_class.type = F_MH;
 149                 mh_class.idstr = "mh";
 150                 mh_class.uistr = "MH";
 151
 152                 /* Folder functions */
 153                 mh_class.new_folder = mh_folder_new;
 154                 mh_class.destroy_folder = mh_folder_destroy;
 155                 mh_class.set_xml = folder_local_set_xml;
 156                 mh_class.get_xml = folder_local_get_xml;
 157                 mh_class.scan_tree = mh_scan_tree;
 158                 mh_class.create_tree = mh_create_tree;
 159
 160                 /* FolderItem functions */
 161                 mh_class.item_get_path = mh_item_get_path;
 162                 mh_class.create_folder = mh_create_folder;
 163                 mh_class.rename_folder = mh_rename_folder;
 164                 mh_class.remove_folder = mh_remove_folder;
 165                 mh_class.get_num_list = mh_get_num_list;
 166                 mh_class.scan_required = mh_scan_required;
 167                 mh_class.close = mh_item_close;
 168                 mh_class.get_flags = NULL; /*mh_get_flags */;
 169
 170                 /* Message functions */
 171                 mh_class.get_msginfo = mh_get_msginfo;
 172                 mh_class.fetch_msg = mh_fetch_msg;
 173                 mh_class.add_msg = mh_add_msg;
 174                 mh_class.add_msgs = mh_add_msgs;
 175                 mh_class.copy_msg = mh_copy_msg;
 176                 mh_class.copy_msgs = mh_copy_msgs;
 177                 mh_class.remove_msg = mh_remove_msg;
 178                 mh_class.remove_msgs = mh_remove_msgs;
 179                 mh_class.remove_all_msg = mh_remove_all_msg;
 180                 mh_class.is_msg_changed = mh_is_msg_changed;
 181         }
 182
 183         return &mh_class;
 184 }
 185
 186 static Folder *mh_folder_new(const gchar *name, const gchar *path)
 187 {
 188         Folder *folder;
 189
 190         folder = (Folder *)g_new0(MHFolder, 1);
 191         folder->klass = &mh_class;
 192         mh_folder_init(folder, name, path);
 193
 194         return folder;
 195 }
 196
 197 static void mh_folder_destroy(Folder *folder)
 198 {
 199         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 200 }
 201
 202 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 203 {
 204         folder_local_folder_init(folder, name, path);
 205
 206 }
 207
 208 gboolean mh_scan_required(Folder *folder, FolderItem *item)
 209 {
 210         gchar *path;
 211         struct stat s;
 212
 213         path = folder_item_get_path(item);
 214         g_return_val_if_fail(path != NULL, FALSE);
 215
 216         if (stat(path, &s) < 0) {
 217                 FILE_OP_ERROR(path, "stat");
 218                 g_free(path);
 219                 return FALSE;
 220         }
 221
 222         if ((s.st_mtime > item->mtime) &&
 223                 (s.st_mtime - 3600 != item->mtime)) {
 224                 debug_print("MH scan required, folder updated: %s (%ld > %ld)\n",
 225                             path,
 226                             (long int) s.st_mtime,
 227                             (long int) item->mtime);
 228                 g_free(path);
 229                 return TRUE;
 230         }
 231
 232         debug_print("MH scan not required: %s (%ld <= %ld)\n",
 233                     path,
 234                     (long int) s.st_mtime,
 235                     (long int) item->mtime);
 236         g_free(path);
 237         return FALSE;
 238 }
 239
 240 void mh_get_last_num(Folder *folder, FolderItem *item)
 241 {
 242         gchar *path;
 243         DIR *dp;
 244         struct dirent *d;
 245         gint max = 0;
 246         gint num;
 247
 248         g_return_if_fail(item != NULL);
 249
 250         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 251
 252         path = folder_item_get_path(item);
 253         g_return_if_fail(path != NULL);
 254         if (change_dir(path) < 0) {
 255                 g_free(path);
 256                 return;
 257         }
 258         g_free(path);
 259
 260         if ((dp = opendir(".")) == NULL) {
 261                 FILE_OP_ERROR(item->path, "opendir");
 262                 return;
 263         }
 264
 265         while ((d = readdir(dp)) != NULL) {
 266                 if ((num = to_number(d->d_name)) > 0 &&
 267                     dirent_is_regular_file(d)) {
 268                         if (max < num)
 269                                 max = num;
 270                 }
 271         }
 272         closedir(dp);
 273
 274         debug_print("Last number in dir %s = %d\n", item->path, max);
 275         item->last_num = max;
 276 }
 277
 278 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 279 {
 280
 281         gchar *path;
 282         DIR *dp;
 283         struct dirent *d;
 284         gint num, nummsgs = 0;
 285
 286         g_return_val_if_fail(item != NULL, -1);
 287
 288         debug_print("mh_get_num_list(): Scanning %s ...\n", item->path);
 289
 290         *old_uids_valid = TRUE;
 291
 292         path = folder_item_get_path(item);
 293         g_return_val_if_fail(path != NULL, -1);
 294         if (change_dir(path) < 0) {
 295                 g_free(path);
 296                 return -1;
 297         }
 298         g_free(path);
 299
 300         if ((dp = opendir(".")) == NULL) {
 301                 FILE_OP_ERROR(item->path, "opendir");
 302                 return -1;
 303         }
 304
 305         while ((d = readdir(dp)) != NULL) {
 306                 if ((num = to_number(d->d_name)) > 0) {
 307                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 308                         nummsgs++;
 309                 }
 310         }
 311         closedir(dp);
 312
 313         item->mtime = time(NULL);
 314         return nummsgs;
 315 }
 316
 317 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 318 {
 319         gchar *path;
 320         gchar *file;
 321
 322         g_return_val_if_fail(item != NULL, NULL);
 323         g_return_val_if_fail(num > 0, NULL);
 324
 325         path = folder_item_get_path(item);
 326         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 327
 328         if (!is_file_exist(file)) {
 329                 g_free(file);
 330                 g_free(path);
 331                 return NULL;
 332         }
 333         g_free(path);
 334         return file;
 335 }
 336
 337 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 338 {
 339         MsgInfo *msginfo;
 340         gchar *file;
 341
 342         g_return_val_if_fail(item != NULL, NULL);
 343         if (num <= 0)
 344                 return NULL;
 345
 346         file = mh_fetch_msg(folder, item, num);
 347         if (!file) return NULL;
 348
 349         msginfo = mh_parse_msg(file, item);
 350         if (msginfo)
 351                 msginfo->msgnum = num;
 352
 353         g_free(file);
 354
 355         return msginfo;
 356 }
 357
 358 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 359 {
 360         gchar *destfile;
 361         gchar *destpath;
 362
 363         destpath = folder_item_get_path(dest);
 364         g_return_val_if_fail(destpath != NULL, NULL);
 365
 366         if (!is_dir_exist(destpath))
 367                 make_dir_hier(destpath);
 368
 369         for (;;) {
 370                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 371                                            dest->last_num + 1);
 372                 if (is_file_entry_exist(destfile)) {
 373                         dest->last_num++;
 374                         g_free(destfile);
 375                 } else
 376                         break;
 377         }
 378
 379         g_free(destpath);
 380
 381         return destfile;
 382 }
 383
 384 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 385 {
 386         gint ret;
 387         GSList file_list;
 388         MsgFileInfo fileinfo;
 389
 390         g_return_val_if_fail(file != NULL, -1);
 391
 392         fileinfo.msginfo = NULL;
 393         fileinfo.file = (gchar *)file;
 394         fileinfo.flags = flags;
 395         file_list.data = &fileinfo;
 396         file_list.next = NULL;
 397
 398         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 399         return ret;
 400 }
 401
 402 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 403                  GRelation *relation)
 404 {
 405         gchar *destfile;
 406         GSList *cur;
 407         MsgFileInfo *fileinfo;
 408
 409         g_return_val_if_fail(dest != NULL, -1);
 410         g_return_val_if_fail(file_list != NULL, -1);
 411
 412         if (dest->last_num < 0) {
 413                 mh_get_last_num(folder, dest);
 414                 if (dest->last_num < 0) return -1;
 415         }
 416
 417         for (cur = file_list; cur != NULL; cur = cur->next) {
 418                 fileinfo = (MsgFileInfo *)cur->data;
 419
 420                 destfile = mh_get_new_msg_filename(dest);
 421                 if (destfile == NULL) return -1;
 422
 423 #ifdef G_OS_UNIX
 424                 if (link(fileinfo->file, destfile) < 0) {
 425 #endif
 426                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 427                                 g_warning(_("can't copy message %s to %s\n"),
 428                                           fileinfo->file, destfile);
 429                                 g_free(destfile);
 430                                 return -1;
 431                         }
 432 #ifdef G_OS_UNIX
 433                 }
 434 #endif
 435
 436                 if (relation != NULL)
 437                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 438                 g_free(destfile);
 439                 dest->last_num++;
 440         }
 441         mh_write_sequences(dest, TRUE);
 442         return dest->last_num;
 443 }
 444
 445 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 446 {
 447         GSList msglist;
 448
 449         g_return_val_if_fail(msginfo != NULL, -1);
 450
 451         msglist.data = msginfo;
 452         msglist.next = NULL;
 453
 454         return mh_copy_msgs(folder, dest, &msglist, NULL);
 455 }
 456
 457 static gint mh_copy_msgs(Folder *folder, FolderItem *dest, MsgInfoList *msglist,
 458                          GRelation *relation)
 459 {
 460         gboolean dest_need_scan = FALSE;
 461         gchar *srcfile;
 462         gchar *destfile;
 463         gint filemode = 0;
 464         FolderItemPrefs *prefs;
 465         MsgInfo *msginfo = NULL;
 466         MsgInfoList *cur = NULL;
 467         gint curnum = 0, total = 0;
 468         gchar *srcpath = NULL;
 469         gboolean full_fetch = FALSE;
 470
 471         g_return_val_if_fail(dest != NULL, -1);
 472         g_return_val_if_fail(msglist != NULL, -1);
 473
 474         msginfo = (MsgInfo *)msglist->data;
 475
 476         g_return_val_if_fail(msginfo != NULL, -1);
 477
 478         if (msginfo->folder == dest) {
 479                 g_warning("the src folder is identical to the dest.\n");
 480                 return -1;
 481         }
 482
 483         if (msginfo->folder->folder != dest->folder)
 484                 full_fetch = TRUE;
 485
 486         if (dest->last_num < 0) {
 487                 mh_get_last_num(folder, dest);
 488                 if (dest->last_num < 0) return -1;
 489         }
 490
 491         prefs = dest->prefs;
 492
 493         srcpath = folder_item_get_path(msginfo->folder);
 494
 495         total = g_slist_length(msglist);
 496         if (total > 100) {
 497                 if (MSG_IS_MOVE(msginfo->flags))
 498                         statusbar_print_all(_("Moving messages..."));
 499                 else
 500                         statusbar_print_all(_("Copying messages..."));
 501         }
 502         for (cur = msglist; cur; cur = cur->next) {
 503                 msginfo = (MsgInfo *)cur->data;
 504                 if (!msginfo) {
 505                         goto err_reset_status;
 506                 }
 507                 if (!full_fetch) {
 508                         srcfile = g_strconcat(srcpath,
 509                                 G_DIR_SEPARATOR_S,
 510                                 itos(msginfo->msgnum), NULL);
 511                 } else {
 512                         srcfile = procmsg_get_message_file(msginfo);
 513                 }
 514                 if (!srcfile) {
 515                         goto err_reset_status;
 516                 }
 517                 destfile = mh_get_new_msg_filename(dest);
 518                 if (!destfile) {
 519                         g_free(srcfile);
 520                         goto err_reset_status;
 521                 }
 522
 523                 if (total > 100) {
 524                         statusbar_progress_all(curnum, total, 100);
 525                         if (curnum % 100 == 0)
 526                                 GTK_EVENTS_FLUSH();
 527                         curnum++;
 528                 }
 529
 530                 debug_print("Copying message %s%c%d to %s ...\n",
 531                             msginfo->folder->path, G_DIR_SEPARATOR,
 532                             msginfo->msgnum, dest->path);
 533
 534
 535                 if (MSG_IS_MOVE(msginfo->flags)) {
 536                         if (move_file(srcfile, destfile, TRUE) < 0) {
 537                                 FILE_OP_ERROR(srcfile, "move");
 538                                 if (copy_file(srcfile, destfile, TRUE) < 0) {
 539                                         FILE_OP_ERROR(srcfile, "copy");
 540                                         g_free(srcfile);
 541                                         g_free(destfile);
 542                                         goto err_reset_status;
 543                                 }
 544                         }
 545                 } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 546                         FILE_OP_ERROR(srcfile, "copy");
 547                         g_free(srcfile);
 548                         g_free(destfile);
 549                         goto err_reset_status;
 550                 }
 551                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 552                         if (chmod(destfile, prefs->folder_chmod) < 0)
 553                                 FILE_OP_ERROR(destfile, "chmod");
 554
 555                         /* for mark file */
 556                         filemode = prefs->folder_chmod;
 557                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
 558                         if (filemode & S_IROTH) filemode |= S_IWOTH;
 559                 }
 560                 if (relation)
 561                         g_relation_insert(relation, msginfo, GINT_TO_POINTER(dest->last_num+1));
 562                 g_free(srcfile);
 563                 g_free(destfile);
 564                 dest->last_num++;
 565         }
 566
 567         g_free(srcpath);
 568         mh_write_sequences(dest, TRUE);
 569
 570         dest_need_scan = mh_scan_required(dest->folder, dest);
 571         if (!dest_need_scan)
 572                 dest->mtime = time(NULL);
 573
 574         if (total > 100) {
 575                 statusbar_progress_all(0,0,0);
 576                 statusbar_pop_all();
 577         }
 578         return dest->last_num;
 579 err_reset_status:
 580         g_free(srcpath);
 581         mh_write_sequences(dest, TRUE);
 582         if (total > 100) {
 583                 statusbar_progress_all(0,0,0);
 584                 statusbar_pop_all();
 585         }
 586         return -1;
 587
 588 }
 589
 590 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 591 {
 592         gboolean need_scan = FALSE;
 593         gchar *file;
 594
 595         g_return_val_if_fail(item != NULL, -1);
 596
 597         file = mh_fetch_msg(folder, item, num);
 598         g_return_val_if_fail(file != NULL, -1);
 599
 600         need_scan = mh_scan_required(folder, item);
 601
 602         if (g_unlink(file) < 0) {
 603                 FILE_OP_ERROR(file, "unlink");
 604                 g_free(file);
 605                 return -1;
 606         }
 607
 608         if (!need_scan)
 609                 item->mtime = time(NULL);
 610
 611         g_free(file);
 612         return 0;
 613 }
 614
 615 static gint mh_remove_msgs(Folder *folder, FolderItem *item,
 616                     MsgInfoList *msglist, GRelation *relation)
 617 {
 618         gboolean need_scan = FALSE;
 619         gchar *path, *file;
 620         MsgInfoList *cur;
 621
 622         g_return_val_if_fail(item != NULL, -1);
 623
 624         path = folder_item_get_path(item);
 625
 626         for (cur = msglist; cur; cur = cur->next) {
 627                 MsgInfo *msginfo = (MsgInfo *)cur->data;
 628                 if (msginfo == NULL)
 629                         continue;
 630                 file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 631                 if (file == NULL)
 632                         continue;
 633
 634                 if (g_unlink(file) < 0) {
 635                         g_free(file);
 636                         continue;
 637                 }
 638
 639                 g_free(file);
 640         }
 641
 642         need_scan = mh_scan_required(folder, item);
 643
 644         if (!need_scan)
 645                 item->mtime = time(NULL);
 646
 647         g_free(path);
 648         return 0;
 649 }
 650
 651 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 652 {
 653         gchar *path;
 654         gint val;
 655
 656         g_return_val_if_fail(item != NULL, -1);
 657
 658         path = folder_item_get_path(item);
 659         g_return_val_if_fail(path != NULL, -1);
 660         val = remove_all_numbered_files(path);
 661         g_free(path);
 662
 663         mh_write_sequences(item, TRUE);
 664
 665         return val;
 666 }
 667
 668 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 669                                   MsgInfo *msginfo)
 670 {
 671         struct stat s;
 672
 673         if (g_stat(itos(msginfo->msgnum), &s) < 0 ||
 674             msginfo->size  != s.st_size || (
 675                 (msginfo->mtime - s.st_mtime != 0) &&
 676                 (msginfo->mtime - s.st_mtime != 3600) &&
 677                 (msginfo->mtime - s.st_mtime != -3600)))
 678                 return TRUE;
 679
 680         return FALSE;
 681 }
 682
 683 static gint mh_scan_tree(Folder *folder)
 684 {
 685         FolderItem *item;
 686         gchar *rootpath;
 687
 688         g_return_val_if_fail(folder != NULL, -1);
 689
 690         if (!folder->node) {
 691                 item = folder_item_new(folder, folder->name, NULL);
 692                 item->folder = folder;
 693                 folder->node = item->node = g_node_new(item);
 694         } else
 695                 item = FOLDER_ITEM(folder->node->data);
 696
 697         rootpath = folder_item_get_path(item);
 698         if (change_dir(rootpath) < 0) {
 699                 g_free(rootpath);
 700                 return -1;
 701         }
 702         g_free(rootpath);
 703
 704         mh_create_tree(folder);
 705         mh_remove_missing_folder_items(folder);
 706         mh_scan_tree_recursive(item);
 707
 708         return 0;
 709 }
 710
 711 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 712 { \
 713         if (!is_dir_exist(dir)) { \
 714                 if (is_file_exist(dir)) { \
 715                         g_warning("File `%s' already exists.\n" \
 716                                     "Can't create folder.", dir); \
 717                         return -1; \
 718                 } \
 719                 if (make_dir(dir) < 0) \
 720                         return -1; \
 721         } \
 722 }
 723
 724 static gint mh_create_tree(Folder *folder)
 725 {
 726         gchar *rootpath;
 727
 728         g_return_val_if_fail(folder != NULL, -1);
 729
 730         CHDIR_RETURN_VAL_IF_FAIL(get_mail_base_dir(), -1);
 731         rootpath = LOCAL_FOLDER(folder)->rootpath;
 732         MAKE_DIR_IF_NOT_EXIST(rootpath);
 733         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 734         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 735         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 736         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 737         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 738         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 739
 740         return 0;
 741 }
 742
 743 #undef MAKE_DIR_IF_NOT_EXIST
 744
 745 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 746 {
 747         gchar *folder_path, *path;
 748         gchar *real_path;
 749         g_return_val_if_fail(folder != NULL, NULL);
 750         g_return_val_if_fail(item != NULL, NULL);
 751
 752         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 753         g_return_val_if_fail(folder_path != NULL, NULL);
 754
 755         /* FIXME: [W32] The code below does not correctly merge
 756            relative filenames; there should be a function to handle
 757            this.  */
 758         if ( !is_relative_filename (folder_path) ) {
 759                 if (item->path)
 760                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 761                                            item->path, NULL);
 762                 else
 763                         path = g_strdup(folder_path);
 764         } else {
 765                 if (item->path)
 766                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 767                                            folder_path, G_DIR_SEPARATOR_S,
 768                                            item->path, NULL);
 769                 else
 770                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 771                                            folder_path, NULL);
 772         }
 773         g_free(folder_path);
 774         real_path = mh_filename_from_utf8(path);
 775         if (!is_dir_exist(real_path) && is_dir_exist(path)) {
 776                 /* mmh, older version did put utf8 filenames instead of
 777                  * the correct encoding */
 778                 rename(path, real_path);
 779                 folder_item_scan(item);
 780         }
 781
 782         g_free(path);
 783         return real_path;
 784 }
 785
 786 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 787                                     const gchar *name)
 788 {
 789         gchar *path, *real_name;
 790         gchar *fullpath;
 791         FolderItem *new_item;
 792         gchar *mh_sequences_filename;
 793         FILE *mh_sequences_file;
 794
 795         g_return_val_if_fail(folder != NULL, NULL);
 796         g_return_val_if_fail(parent != NULL, NULL);
 797         g_return_val_if_fail(name != NULL, NULL);
 798
 799         path = folder_item_get_path(parent);
 800         if (!is_dir_exist(path))
 801                 if (make_dir_hier(path) != 0)
 802                         return NULL;
 803
 804         real_name = mh_filename_from_utf8(name);
 805         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
 806         g_free(real_name);
 807         g_free(path);
 808
 809         if (make_dir(fullpath) < 0) {
 810                 g_free(fullpath);
 811                 return NULL;
 812         }
 813
 814         g_free(fullpath);
 815
 816         if (parent->path)
 817                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 818                                    NULL);
 819         else
 820                 path = g_strdup(name);
 821         new_item = folder_item_new(folder, name, path);
 822         folder_item_append(parent, new_item);
 823
 824         g_free(path);
 825
 826         path = folder_item_get_path(new_item);
 827         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 828                                             ".mh_sequences", NULL);
 829         if ((mh_sequences_file = g_fopen(mh_sequences_filename, "a+b")) != NULL) {
 830                 fclose(mh_sequences_file);
 831         }
 832         g_free(mh_sequences_filename);
 833         g_free(path);
 834
 835         return new_item;
 836 }
 837
 838 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 839                              const gchar *name)
 840 {
 841         gchar *real_name;
 842         gchar *oldpath;
 843         gchar *dirname;
 844         gchar *newpath, *utf8newpath;
 845         gchar *paths[2];
 846
 847         g_return_val_if_fail(folder != NULL, -1);
 848         g_return_val_if_fail(item != NULL, -1);
 849         g_return_val_if_fail(item->path != NULL, -1);
 850         g_return_val_if_fail(name != NULL, -1);
 851
 852         oldpath = folder_item_get_path(item);
 853         if (!is_dir_exist(oldpath))
 854                 make_dir_hier(oldpath);
 855
 856         dirname = g_path_get_dirname(oldpath);
 857         real_name = mh_filename_from_utf8(name);
 858         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
 859         g_free(real_name);
 860
 861         if (g_rename(oldpath, newpath) < 0) {
 862                 FILE_OP_ERROR(oldpath, "rename");
 863                 g_free(oldpath);
 864                 g_free(newpath);
 865                 return -1;
 866         }
 867
 868         g_free(oldpath);
 869         g_free(newpath);
 870
 871         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 872                 dirname = g_path_get_dirname(item->path);
 873                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
 874                                           name, NULL);
 875                 g_free(dirname);
 876         } else
 877                 utf8newpath = g_strdup(name);
 878
 879         g_free(item->name);
 880         item->name = g_strdup(name);
 881
 882         paths[0] = g_strdup(item->path);
 883         paths[1] = utf8newpath;
 884         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 885                         mh_rename_folder_func, paths);
 886
 887         g_free(paths[0]);
 888         g_free(paths[1]);
 889         return 0;
 890 }
 891
 892 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 893 {
 894         gchar *path;
 895
 896         g_return_val_if_fail(folder != NULL, -1);
 897         g_return_val_if_fail(item != NULL, -1);
 898         g_return_val_if_fail(item->path != NULL, -1);
 899
 900         path = folder_item_get_path(item);
 901         if (remove_dir_recursive(path) < 0) {
 902                 g_warning("can't remove directory `%s'\n", path);
 903                 g_free(path);
 904                 return -1;
 905         }
 906
 907         g_free(path);
 908         folder_item_remove(item);
 909         return 0;
 910 }
 911
 912 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 913 {
 914         MsgInfo *msginfo;
 915         MsgFlags flags;
 916
 917         g_return_val_if_fail(item != NULL, NULL);
 918         g_return_val_if_fail(file != NULL, NULL);
 919
 920         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 921         flags.tmp_flags = 0;
 922
 923         if (folder_has_parent_of_type(item, F_QUEUE)) {
 924                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 925         } else if (folder_has_parent_of_type(item, F_DRAFT)) {
 926                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 927         }
 928
 929         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 930         if (!msginfo) return NULL;
 931
 932         msginfo->msgnum = atoi(file);
 933         msginfo->folder = item;
 934
 935         return msginfo;
 936 }
 937
 938 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 939 {
 940         FolderItem *item;
 941         gchar *path;
 942
 943         g_return_val_if_fail(node->data != NULL, FALSE);
 944
 945         if (G_NODE_IS_ROOT(node))
 946                 return FALSE;
 947
 948         item = FOLDER_ITEM(node->data);
 949
 950         path = folder_item_get_path(item);
 951         if (!is_dir_exist(path)) {
 952                 debug_print("folder '%s' not found. removing...\n", path);
 953                 folder_item_remove(item);
 954         }
 955         g_free(path);
 956
 957         return FALSE;
 958 }
 959
 960 static void mh_remove_missing_folder_items(Folder *folder)
 961 {
 962         g_return_if_fail(folder != NULL);
 963
 964         debug_print("searching missing folders...\n");
 965
 966         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 967                         mh_remove_missing_folder_items_func, folder);
 968 }
 969
 970 static void mh_scan_tree_recursive(FolderItem *item)
 971 {
 972         Folder *folder;
 973 #ifdef G_OS_WIN32
 974         GDir *dir;
 975 #else
 976         DIR *dp;
 977         struct dirent *d;
 978 #endif
 979         const gchar *dir_name;
 980         struct stat s;
 981         gchar *real_path, *entry, *utf8entry, *utf8name;
 982         gint n_msg = 0;
 983
 984         g_return_if_fail(item != NULL);
 985         g_return_if_fail(item->folder != NULL);
 986
 987         folder = item->folder;
 988
 989         real_path = item->path ? mh_filename_from_utf8(item->path) : g_strdup(".");
 990 #ifdef G_OS_WIN32
 991         dir = g_dir_open(real_path, 0, NULL);
 992         if (!dir) {
 993                 g_warning("failed to open directory: %s\n", real_path);
 994                 g_free(real_path);
 995                 return;
 996         }
 997 #else
 998         dp = opendir(real_path);
 999         if (!dp) {
1000                 FILE_OP_ERROR(real_path, "opendir");
1001                 return;
1002         }
1003 #endif
1004         g_free(real_path);
1005
1006         debug_print("scanning %s ...\n",
1007                     item->path ? item->path
1008                     : LOCAL_FOLDER(item->folder)->rootpath);
1009         if (folder->ui_func)
1010                 folder->ui_func(folder, item, folder->ui_func_data);
1011
1012 #ifdef G_OS_WIN32
1013         while ((dir_name = g_dir_read_name(dir)) != NULL) {
1014 #else
1015         while ((d = readdir(dp)) != NULL) {
1016                 dir_name = d->d_name;
1017 #endif
1018                 if (dir_name[0] == '.') continue;
1019
1020                 utf8name = mh_filename_to_utf8(dir_name);
1021                 if (item->path)
1022                         utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1023                                                 utf8name, NULL);
1024                 else
1025                         utf8entry = g_strdup(utf8name);
1026                 entry = mh_filename_from_utf8(utf8entry);
1027
1028                 if (
1029 #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE)
1030                         d->d_type == DT_DIR ||
1031                         (d->d_type == DT_UNKNOWN &&
1032 #endif
1033                         g_stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
1034 #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE)
1035                         )
1036 #endif
1037                    ) {
1038                         FolderItem *new_item = NULL;
1039                         GNode *node;
1040
1041                         node = item->node;
1042                         for (node = node->children; node != NULL; node = node->next) {
1043                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
1044                                 if (!strcmp2(cur_item->path, entry)) {
1045                                         new_item = cur_item;
1046                                         break;
1047                                 }
1048                         }
1049                         if (!new_item) {
1050                                 debug_print("new folder '%s' found.\n", entry);
1051                                 new_item = folder_item_new(folder, utf8name, utf8entry);
1052                                 folder_item_append(item, new_item);
1053                         }
1054
1055                         if (!item->path) {
1056                                 if (!folder->inbox &&
1057                                     !strcmp(dir_name, INBOX_DIR)) {
1058                                         new_item->stype = F_INBOX;
1059                                         folder->inbox = new_item;
1060                                 } else if (!folder->outbox &&
1061                                            !strcmp(dir_name, OUTBOX_DIR)) {
1062                                         new_item->stype = F_OUTBOX;
1063                                         folder->outbox = new_item;
1064                                 } else if (!folder->draft &&
1065                                            !strcmp(dir_name, DRAFT_DIR)) {
1066                                         new_item->stype = F_DRAFT;
1067                                         folder->draft = new_item;
1068                                 } else if (!folder->queue &&
1069                                            !strcmp(dir_name, QUEUE_DIR)) {
1070                                         new_item->stype = F_QUEUE;
1071                                         folder->queue = new_item;
1072                                 } else if (!folder->trash &&
1073                                            !strcmp(dir_name, TRASH_DIR)) {
1074                                         new_item->stype = F_TRASH;
1075                                         folder->trash = new_item;
1076                                 }
1077                         }
1078
1079                         mh_scan_tree_recursive(new_item);
1080                 } else if (to_number(dir_name) > 0) n_msg++;
1081
1082                 g_free(entry);
1083                 g_free(utf8entry);
1084                 g_free(utf8name);
1085         }
1086
1087 #ifdef G_OS_WIN32
1088         g_dir_close(dir);
1089 #else
1090         closedir(dp);
1091 #endif
1092
1093         item->mtime = time(NULL);
1094 }
1095
1096 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1097 {
1098         FolderItem *item = node->data;
1099         gchar **paths = data;
1100         const gchar *oldpath = paths[0];
1101         const gchar *newpath = paths[1];
1102         gchar *base;
1103         gchar *new_itempath;
1104         gint oldpathlen;
1105
1106         oldpathlen = strlen(oldpath);
1107         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1108                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1109                 return TRUE;
1110         }
1111
1112         base = item->path + oldpathlen;
1113         while (*base == G_DIR_SEPARATOR) base++;
1114         if (*base == '\0')
1115                 new_itempath = g_strdup(newpath);
1116         else
1117                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1118                                            NULL);
1119         g_free(item->path);
1120         item->path = new_itempath;
1121
1122         return FALSE;
1123 }
1124
1125 static gchar *mh_filename_from_utf8(const gchar *path)
1126 {
1127         gchar *real_path = g_filename_from_utf8(path, -1, NULL, NULL, NULL);
1128
1129         if (!real_path) {
1130                 g_warning("mh_filename_from_utf8: faild to convert character set\n");
1131                 real_path = g_strdup(path);
1132         }
1133
1134         return real_path;
1135 }
1136
1137 static gchar *mh_filename_to_utf8(const gchar *path)
1138 {
1139         gchar *utf8path = g_filename_to_utf8(path, -1, NULL, NULL, NULL);
1140         if (!utf8path) {
1141                 g_warning("mh_filename_to_utf8: faild to convert character set\n");
1142                 utf8path = g_strdup(path);
1143         }
1144
1145         return utf8path;
1146 }
1147
1148 static gint sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1149 {
1150         MsgInfo *msginfo_a = (MsgInfo *) a;
1151         MsgInfo *msginfo_b = (MsgInfo *) b;
1152
1153         return (msginfo_a->msgnum - msginfo_b->msgnum);
1154 }
1155
1156 static gchar *get_unseen_seq_name(void)
1157 {
1158         static gchar *seq_name = NULL;
1159         if (!seq_name) {
1160                 gchar buf[BUFFSIZE];
1161                 gchar *tmp;
1162                 gchar *profile_path = g_strconcat(
1163                         get_home_dir(), G_DIR_SEPARATOR_S,
1164                         ".mh_profile", NULL);
1165                 FILE *fp = g_fopen(profile_path, "r");
1166                 if (fp) {
1167                         while (fgets(buf, sizeof(buf), fp) != NULL) {
1168                                 if (!strncmp(buf, "Unseen-Sequence:", strlen("Unseen-Sequence:"))) {
1169                                         gchar *seq_tmp = buf+strlen("Unseen-Sequence:");
1170                                         while (*seq_tmp == ' ')
1171                                                 seq_tmp++;
1172                                         seq_name = g_strdup(seq_tmp);
1173                                         seq_name = strretchomp(seq_name);
1174                                         break;
1175                                 }
1176                         }
1177                         fclose(fp);
1178                 }
1179                 if (!seq_name)
1180                         seq_name = g_strdup("unseen");
1181                 tmp = g_strdup_printf("%s:", seq_name);
1182                 g_free(seq_name);
1183                 seq_name = tmp;
1184         }
1185         return seq_name;
1186 }
1187
1188 #if 0
1189 static gint mh_get_flags(Folder *folder, FolderItem *item,
1190                            MsgInfoList *msginfo_list, GRelation *msgflags)
1191 {
1192         gchar *mh_sequences_filename;
1193         FILE *mh_sequences_file;
1194         gchar buf[BUFFSIZE];
1195         gchar *unseen_list = NULL;
1196         gchar *path;
1197         MsgInfoList *mcur = NULL;
1198 /*
1199         GTimer *timer = g_timer_new();
1200         g_timer_start(timer);
1201 */
1202         if (!item)
1203                 return 0;
1204
1205         /* don't update from .mh_sequences if the item's opened: mails may have
1206          * been marked read/unread and it's not yet written in the file. */
1207         if (item->opened)
1208                 return 0;
1209
1210         path = folder_item_get_path(item);
1211
1212         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
1213                                             ".mh_sequences", NULL);
1214         g_free(path);
1215         if ((mh_sequences_file = g_fopen(mh_sequences_filename, "r+b")) != NULL) {
1216                 while (fgets(buf, sizeof(buf), mh_sequences_file) != NULL) {
1217                         if (!strncmp(buf, get_unseen_seq_name(), strlen(get_unseen_seq_name()))) {
1218                                 unseen_list = g_strdup(buf+strlen(get_unseen_seq_name()));
1219                                 break;
1220                         }
1221                 }
1222                 fclose(mh_sequences_file);
1223         }
1224
1225         g_free(mh_sequences_filename);
1226
1227         if (unseen_list) {
1228                 gchar *cur = NULL;
1229                 gchar *token = NULL, *next = NULL, *boundary = NULL;
1230                 gint num = 0;
1231                 GHashTable *unseen_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1232
1233                 cur = unseen_list = strretchomp(unseen_list);
1234                 debug_print("found unseen list in .mh_sequences: %s\n", unseen_list);
1235 next_token:
1236                 while (*cur && *cur == ' ')
1237                         cur++;
1238
1239                 if ((next = strchr(cur, ' ')) != NULL) {
1240                         token = cur;
1241                         cur = next+1;
1242                         *next = '\0';
1243                 } else {
1244                         token = cur;
1245                         cur = NULL;
1246                 }
1247
1248                 if ((boundary = strchr(token, '-')) != NULL) {
1249                         gchar *start, *end;
1250                         int i;
1251                         start = token;
1252                         end = boundary+1;
1253                         *boundary='\0';
1254                         for (i = atoi(start); i <= atoi(end); i++) {
1255                                 g_hash_table_insert(unseen_table, GINT_TO_POINTER(i), GINT_TO_POINTER(1));
1256                         }
1257                 } else if ((num = atoi(token)) > 0) {
1258                         g_hash_table_insert(unseen_table, GINT_TO_POINTER(num), GINT_TO_POINTER(1));
1259                 }
1260
1261                 if (cur)
1262                         goto next_token;
1263                 for (mcur = msginfo_list; mcur; mcur = mcur->next) {
1264                         MsgInfo *msginfo = (MsgInfo *)mcur->data;
1265                         MsgPermFlags flags = msginfo->flags.perm_flags;
1266                         if (g_hash_table_lookup(unseen_table, GINT_TO_POINTER(msginfo->msgnum))) {
1267                                 flags |= MSG_UNREAD;
1268                         } else if (!(flags & MSG_NEW)) { /* don't mark new msgs as read */
1269                                 flags &= ~(MSG_UNREAD);
1270                         }
1271                         if (flags != msginfo->flags.perm_flags)
1272                                 g_relation_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
1273                 }
1274                 g_hash_table_destroy(unseen_table);
1275                 g_free(unseen_list);
1276         }
1277 /*
1278         g_timer_stop(timer);
1279         printf("mh_get_flags: %f secs\n", g_timer_elapsed(timer, NULL));
1280         g_timer_destroy(timer);
1281 */
1282         return 0;
1283 }
1284 #endif
1285
1286 static void mh_write_sequences(FolderItem *item, gboolean remove_unseen)
1287 {
1288         gchar *mh_sequences_old, *mh_sequences_new;
1289         FILE *mh_sequences_old_fp, *mh_sequences_new_fp;
1290         gchar buf[BUFFSIZE];
1291         gchar *path = NULL;
1292 /*
1293         GTimer *timer = g_timer_new();
1294         g_timer_start(timer);
1295 */
1296         if (!item)
1297                 return;
1298
1299         path = folder_item_get_path(item);
1300
1301         mh_sequences_old = g_strconcat(path, G_DIR_SEPARATOR_S,
1302                                             ".mh_sequences", NULL);
1303         mh_sequences_new = g_strconcat(path, G_DIR_SEPARATOR_S,
1304                                             ".mh_sequences.new", NULL);
1305         if ((mh_sequences_new_fp = g_fopen(mh_sequences_new, "w+b")) != NULL) {
1306                 GSList *msglist = folder_item_get_msg_list(item);
1307                 GSList *cur;
1308                 MsgInfo *info = NULL;
1309                 gint start = -1, end = -1;
1310                 gchar *sequence = g_strdup("");
1311                 msglist = g_slist_sort(msglist, sort_cache_list_by_msgnum);
1312                 cur = msglist;
1313
1314                 /* write the unseen sequence if we don't have to scrap it */
1315                 if (!remove_unseen) do {
1316                         info = (MsgInfo *)(cur ? cur->data:NULL);
1317                         if (info && (MSG_IS_UNREAD(info->flags) || MSG_IS_NEW(info->flags))) {
1318                                 if (start < 0)
1319                                         start = end = info->msgnum;
1320                                 else
1321                                         end = info->msgnum;
1322                         } else {
1323                                 if (start > 0 && end > 0) {
1324                                         gchar *tmp = sequence;
1325                                         if (start != end)
1326                                                 sequence = g_strdup_printf("%s %d-%d ", tmp, start, end);
1327                                         else
1328                                                 sequence = g_strdup_printf("%s %d ", tmp, start);
1329                                         g_free(tmp);
1330                                         start = end = -1;
1331                                 }
1332                         }
1333                         cur = cur ? cur->next:NULL;
1334                 } while (cur || (start > 0 && end > 0));
1335                 if (sequence && strlen(sequence)) {
1336                         fprintf(mh_sequences_new_fp, "%s%s\n",
1337                                         get_unseen_seq_name(), sequence);
1338                         debug_print("wrote unseen sequence: '%s%s'\n",
1339                                         get_unseen_seq_name(), sequence);
1340                 }
1341                 /* rewrite the rest of the file */
1342                 if ((mh_sequences_old_fp = g_fopen(mh_sequences_old, "r+b")) != NULL) {
1343                         while (fgets(buf, sizeof(buf), mh_sequences_old_fp) != NULL) {
1344                                 if (strncmp(buf, get_unseen_seq_name(), strlen(get_unseen_seq_name())))
1345                                         fprintf(mh_sequences_new_fp, "%s", buf);
1346                         }
1347                         fclose(mh_sequences_old_fp);
1348                 }
1349
1350                 fclose(mh_sequences_new_fp);
1351                 g_rename(mh_sequences_new, mh_sequences_old);
1352                 g_free(sequence);
1353                 procmsg_msg_list_free(msglist);
1354         }
1355         g_free(mh_sequences_old);
1356         g_free(mh_sequences_new);
1357         g_free(path);
1358 /*
1359         g_timer_stop(timer);
1360         printf("mh_get_flags: %f secs\n", g_timer_elapsed(timer, NULL));
1361         g_timer_destroy(timer);
1362 */
1363 }
1364
1365 static int mh_item_close(Folder *folder, FolderItem *item)
1366 {
1367         mh_write_sequences(item, FALSE);
1368         return 0;
1369 }