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         dest_need_scan = mh_scan_required(dest->folder, dest);
 496
 497         total = g_slist_length(msglist);
 498         if (total > 100) {
 499                 if (MSG_IS_MOVE(msginfo->flags))
 500                         statusbar_print_all(_("Moving messages..."));
 501                 else
 502                         statusbar_print_all(_("Copying messages..."));
 503         }
 504         for (cur = msglist; cur; cur = cur->next) {
 505                 msginfo = (MsgInfo *)cur->data;
 506                 if (!msginfo) {
 507                         goto err_reset_status;
 508                 }
 509                 if (!full_fetch) {
 510                         srcfile = g_strconcat(srcpath,
 511                                 G_DIR_SEPARATOR_S,
 512                                 itos(msginfo->msgnum), NULL);
 513                 } else {
 514                         srcfile = procmsg_get_message_file(msginfo);
 515                 }
 516                 if (!srcfile) {
 517                         goto err_reset_status;
 518                 }
 519                 destfile = mh_get_new_msg_filename(dest);
 520                 if (!destfile) {
 521                         g_free(srcfile);
 522                         goto err_reset_status;
 523                 }
 524
 525                 if (total > 100) {
 526                         statusbar_progress_all(curnum, total, 100);
 527                         if (curnum % 100 == 0)
 528                                 GTK_EVENTS_FLUSH();
 529                         curnum++;
 530                 }
 531
 532                 debug_print("Copying message %s%c%d to %s ...\n",
 533                             msginfo->folder->path, G_DIR_SEPARATOR,
 534                             msginfo->msgnum, dest->path);
 535
 536
 537                 if (MSG_IS_MOVE(msginfo->flags)) {
 538                         if (move_file(srcfile, destfile, TRUE) < 0) {
 539                                 FILE_OP_ERROR(srcfile, "move");
 540                                 if (copy_file(srcfile, destfile, TRUE) < 0) {
 541                                         FILE_OP_ERROR(srcfile, "copy");
 542                                         g_free(srcfile);
 543                                         g_free(destfile);
 544                                         goto err_reset_status;
 545                                 }
 546                         }
 547                 } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 548                         FILE_OP_ERROR(srcfile, "copy");
 549                         g_free(srcfile);
 550                         g_free(destfile);
 551                         goto err_reset_status;
 552                 }
 553                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 554                         if (chmod(destfile, prefs->folder_chmod) < 0)
 555                                 FILE_OP_ERROR(destfile, "chmod");
 556
 557                         /* for mark file */
 558                         filemode = prefs->folder_chmod;
 559                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
 560                         if (filemode & S_IROTH) filemode |= S_IWOTH;
 561                 }
 562                 if (relation)
 563                         g_relation_insert(relation, msginfo, GINT_TO_POINTER(dest->last_num+1));
 564                 g_free(srcfile);
 565                 g_free(destfile);
 566                 dest->last_num++;
 567         }
 568
 569         g_free(srcpath);
 570         mh_write_sequences(dest, TRUE);
 571
 572         if (!dest_need_scan)
 573                 dest->mtime = time(NULL);
 574
 575         if (total > 100) {
 576                 statusbar_progress_all(0,0,0);
 577                 statusbar_pop_all();
 578         }
 579         return dest->last_num;
 580 err_reset_status:
 581         g_free(srcpath);
 582         mh_write_sequences(dest, TRUE);
 583         if (total > 100) {
 584                 statusbar_progress_all(0,0,0);
 585                 statusbar_pop_all();
 586         }
 587         return -1;
 588
 589 }
 590
 591 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 592 {
 593         gboolean need_scan = FALSE;
 594         gchar *file;
 595
 596         g_return_val_if_fail(item != NULL, -1);
 597
 598         file = mh_fetch_msg(folder, item, num);
 599         g_return_val_if_fail(file != NULL, -1);
 600
 601         need_scan = mh_scan_required(folder, item);
 602
 603         if (g_unlink(file) < 0) {
 604                 FILE_OP_ERROR(file, "unlink");
 605                 g_free(file);
 606                 return -1;
 607         }
 608
 609         if (!need_scan)
 610                 item->mtime = time(NULL);
 611
 612         g_free(file);
 613         return 0;
 614 }
 615
 616 static gint mh_remove_msgs(Folder *folder, FolderItem *item,
 617                     MsgInfoList *msglist, GRelation *relation)
 618 {
 619         gboolean need_scan = FALSE;
 620         gchar *path, *file;
 621         MsgInfoList *cur;
 622
 623         g_return_val_if_fail(item != NULL, -1);
 624
 625         path = folder_item_get_path(item);
 626
 627         need_scan = mh_scan_required(folder, item);
 628
 629         for (cur = msglist; cur; cur = cur->next) {
 630                 MsgInfo *msginfo = (MsgInfo *)cur->data;
 631                 if (msginfo == NULL)
 632                         continue;
 633                 file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 634                 if (file == NULL)
 635                         continue;
 636
 637                 if (g_unlink(file) < 0) {
 638                         g_free(file);
 639                         continue;
 640                 }
 641
 642                 g_free(file);
 643         }
 644
 645         if (!need_scan)
 646                 item->mtime = time(NULL);
 647
 648         g_free(path);
 649         return 0;
 650 }
 651
 652 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 653 {
 654         gchar *path;
 655         gint val;
 656
 657         g_return_val_if_fail(item != NULL, -1);
 658
 659         path = folder_item_get_path(item);
 660         g_return_val_if_fail(path != NULL, -1);
 661         val = remove_all_numbered_files(path);
 662         g_free(path);
 663
 664         mh_write_sequences(item, TRUE);
 665
 666         return val;
 667 }
 668
 669 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 670                                   MsgInfo *msginfo)
 671 {
 672         struct stat s;
 673
 674         if (g_stat(itos(msginfo->msgnum), &s) < 0 ||
 675             msginfo->size  != s.st_size || (
 676                 (msginfo->mtime - s.st_mtime != 0) &&
 677                 (msginfo->mtime - s.st_mtime != 3600) &&
 678                 (msginfo->mtime - s.st_mtime != -3600)))
 679                 return TRUE;
 680
 681         return FALSE;
 682 }
 683
 684 static gint mh_scan_tree(Folder *folder)
 685 {
 686         FolderItem *item;
 687         gchar *rootpath;
 688
 689         g_return_val_if_fail(folder != NULL, -1);
 690
 691         if (!folder->node) {
 692                 item = folder_item_new(folder, folder->name, NULL);
 693                 item->folder = folder;
 694                 folder->node = item->node = g_node_new(item);
 695         } else
 696                 item = FOLDER_ITEM(folder->node->data);
 697
 698         rootpath = folder_item_get_path(item);
 699         if (change_dir(rootpath) < 0) {
 700                 g_free(rootpath);
 701                 return -1;
 702         }
 703         g_free(rootpath);
 704
 705         mh_create_tree(folder);
 706         mh_remove_missing_folder_items(folder);
 707         mh_scan_tree_recursive(item);
 708
 709         return 0;
 710 }
 711
 712 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 713 { \
 714         if (!is_dir_exist(dir)) { \
 715                 if (is_file_exist(dir)) { \
 716                         g_warning("File `%s' already exists.\n" \
 717                                     "Can't create folder.", dir); \
 718                         return -1; \
 719                 } \
 720                 if (make_dir(dir) < 0) \
 721                         return -1; \
 722         } \
 723 }
 724
 725 static gint mh_create_tree(Folder *folder)
 726 {
 727         gchar *rootpath;
 728
 729         g_return_val_if_fail(folder != NULL, -1);
 730
 731         CHDIR_RETURN_VAL_IF_FAIL(get_mail_base_dir(), -1);
 732         rootpath = LOCAL_FOLDER(folder)->rootpath;
 733         MAKE_DIR_IF_NOT_EXIST(rootpath);
 734         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 735         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 736         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 737         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 738         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 739         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 740
 741         return 0;
 742 }
 743
 744 #undef MAKE_DIR_IF_NOT_EXIST
 745
 746 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 747 {
 748         gchar *folder_path, *path;
 749         gchar *real_path;
 750         g_return_val_if_fail(folder != NULL, NULL);
 751         g_return_val_if_fail(item != NULL, NULL);
 752
 753         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 754         g_return_val_if_fail(folder_path != NULL, NULL);
 755
 756         /* FIXME: [W32] The code below does not correctly merge
 757            relative filenames; there should be a function to handle
 758            this.  */
 759         if ( !is_relative_filename (folder_path) ) {
 760                 if (item->path)
 761                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 762                                            item->path, NULL);
 763                 else
 764                         path = g_strdup(folder_path);
 765         } else {
 766                 if (item->path)
 767                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 768                                            folder_path, G_DIR_SEPARATOR_S,
 769                                            item->path, NULL);
 770                 else
 771                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 772                                            folder_path, NULL);
 773         }
 774         g_free(folder_path);
 775         real_path = mh_filename_from_utf8(path);
 776         if (!is_dir_exist(real_path) && is_dir_exist(path)) {
 777                 /* mmh, older version did put utf8 filenames instead of
 778                  * the correct encoding */
 779                 rename(path, real_path);
 780                 folder_item_scan(item);
 781         }
 782
 783         g_free(path);
 784         return real_path;
 785 }
 786
 787 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 788                                     const gchar *name)
 789 {
 790         gchar *path, *real_name;
 791         gchar *fullpath;
 792         FolderItem *new_item;
 793         gchar *mh_sequences_filename;
 794         FILE *mh_sequences_file;
 795
 796         g_return_val_if_fail(folder != NULL, NULL);
 797         g_return_val_if_fail(parent != NULL, NULL);
 798         g_return_val_if_fail(name != NULL, NULL);
 799
 800         path = folder_item_get_path(parent);
 801         if (!is_dir_exist(path))
 802                 if (make_dir_hier(path) != 0)
 803                         return NULL;
 804
 805         real_name = mh_filename_from_utf8(name);
 806         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
 807         g_free(real_name);
 808         g_free(path);
 809
 810         if (make_dir(fullpath) < 0) {
 811                 g_free(fullpath);
 812                 return NULL;
 813         }
 814
 815         g_free(fullpath);
 816
 817         if (parent->path)
 818                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 819                                    NULL);
 820         else
 821                 path = g_strdup(name);
 822         new_item = folder_item_new(folder, name, path);
 823         folder_item_append(parent, new_item);
 824
 825         g_free(path);
 826
 827         path = folder_item_get_path(new_item);
 828         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 829                                             ".mh_sequences", NULL);
 830         if ((mh_sequences_file = g_fopen(mh_sequences_filename, "a+b")) != NULL) {
 831                 fclose(mh_sequences_file);
 832         }
 833         g_free(mh_sequences_filename);
 834         g_free(path);
 835
 836         return new_item;
 837 }
 838
 839 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 840                              const gchar *name)
 841 {
 842         gchar *real_name;
 843         gchar *oldpath;
 844         gchar *dirname;
 845         gchar *newpath, *utf8newpath;
 846         gchar *paths[2];
 847
 848         g_return_val_if_fail(folder != NULL, -1);
 849         g_return_val_if_fail(item != NULL, -1);
 850         g_return_val_if_fail(item->path != NULL, -1);
 851         g_return_val_if_fail(name != NULL, -1);
 852
 853         oldpath = folder_item_get_path(item);
 854         if (!is_dir_exist(oldpath))
 855                 make_dir_hier(oldpath);
 856
 857         dirname = g_path_get_dirname(oldpath);
 858         real_name = mh_filename_from_utf8(name);
 859         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
 860         g_free(real_name);
 861
 862         if (g_rename(oldpath, newpath) < 0) {
 863                 FILE_OP_ERROR(oldpath, "rename");
 864                 g_free(oldpath);
 865                 g_free(newpath);
 866                 return -1;
 867         }
 868
 869         g_free(oldpath);
 870         g_free(newpath);
 871
 872         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 873                 dirname = g_path_get_dirname(item->path);
 874                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
 875                                           name, NULL);
 876                 g_free(dirname);
 877         } else
 878                 utf8newpath = g_strdup(name);
 879
 880         g_free(item->name);
 881         item->name = g_strdup(name);
 882
 883         paths[0] = g_strdup(item->path);
 884         paths[1] = utf8newpath;
 885         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 886                         mh_rename_folder_func, paths);
 887
 888         g_free(paths[0]);
 889         g_free(paths[1]);
 890         return 0;
 891 }
 892
 893 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 894 {
 895         gchar *path;
 896
 897         g_return_val_if_fail(folder != NULL, -1);
 898         g_return_val_if_fail(item != NULL, -1);
 899         g_return_val_if_fail(item->path != NULL, -1);
 900
 901         path = folder_item_get_path(item);
 902         if (remove_dir_recursive(path) < 0) {
 903                 g_warning("can't remove directory `%s'\n", path);
 904                 g_free(path);
 905                 return -1;
 906         }
 907
 908         g_free(path);
 909         folder_item_remove(item);
 910         return 0;
 911 }
 912
 913 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 914 {
 915         MsgInfo *msginfo;
 916         MsgFlags flags;
 917
 918         g_return_val_if_fail(item != NULL, NULL);
 919         g_return_val_if_fail(file != NULL, NULL);
 920
 921         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 922         flags.tmp_flags = 0;
 923
 924         if (folder_has_parent_of_type(item, F_QUEUE)) {
 925                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 926         } else if (folder_has_parent_of_type(item, F_DRAFT)) {
 927                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 928         }
 929
 930         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 931         if (!msginfo) return NULL;
 932
 933         msginfo->msgnum = atoi(file);
 934         msginfo->folder = item;
 935
 936         return msginfo;
 937 }
 938
 939 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 940 {
 941         FolderItem *item;
 942         gchar *path;
 943
 944         g_return_val_if_fail(node->data != NULL, FALSE);
 945
 946         if (G_NODE_IS_ROOT(node))
 947                 return FALSE;
 948
 949         item = FOLDER_ITEM(node->data);
 950
 951         path = folder_item_get_path(item);
 952         if (!is_dir_exist(path)) {
 953                 debug_print("folder '%s' not found. removing...\n", path);
 954                 folder_item_remove(item);
 955         }
 956         g_free(path);
 957
 958         return FALSE;
 959 }
 960
 961 static void mh_remove_missing_folder_items(Folder *folder)
 962 {
 963         g_return_if_fail(folder != NULL);
 964
 965         debug_print("searching missing folders...\n");
 966
 967         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 968                         mh_remove_missing_folder_items_func, folder);
 969 }
 970
 971 static void mh_scan_tree_recursive(FolderItem *item)
 972 {
 973         Folder *folder;
 974 #ifdef G_OS_WIN32
 975         GDir *dir;
 976 #else
 977         DIR *dp;
 978         struct dirent *d;
 979 #endif
 980         const gchar *dir_name;
 981         struct stat s;
 982         gchar *real_path, *entry, *utf8entry, *utf8name;
 983         gint n_msg = 0;
 984
 985         g_return_if_fail(item != NULL);
 986         g_return_if_fail(item->folder != NULL);
 987
 988         folder = item->folder;
 989
 990         real_path = item->path ? mh_filename_from_utf8(item->path) : g_strdup(".");
 991 #ifdef G_OS_WIN32
 992         dir = g_dir_open(real_path, 0, NULL);
 993         if (!dir) {
 994                 g_warning("failed to open directory: %s\n", real_path);
 995                 g_free(real_path);
 996                 return;
 997         }
 998 #else
 999         dp = opendir(real_path);
1000         if (!dp) {
1001                 FILE_OP_ERROR(real_path, "opendir");
1002                 return;
1003         }
1004 #endif
1005         g_free(real_path);
1006
1007         debug_print("scanning %s ...\n",
1008                     item->path ? item->path
1009                     : LOCAL_FOLDER(item->folder)->rootpath);
1010         if (folder->ui_func)
1011                 folder->ui_func(folder, item, folder->ui_func_data);
1012
1013 #ifdef G_OS_WIN32
1014         while ((dir_name = g_dir_read_name(dir)) != NULL) {
1015 #else
1016         while ((d = readdir(dp)) != NULL) {
1017                 dir_name = d->d_name;
1018 #endif
1019                 if (dir_name[0] == '.') continue;
1020
1021                 utf8name = mh_filename_to_utf8(dir_name);
1022                 if (item->path)
1023                         utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1024                                                 utf8name, NULL);
1025                 else
1026                         utf8entry = g_strdup(utf8name);
1027                 entry = mh_filename_from_utf8(utf8entry);
1028
1029                 if (
1030 #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE)
1031                         d->d_type == DT_DIR ||
1032                         (d->d_type == DT_UNKNOWN &&
1033 #endif
1034                         g_stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
1035 #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE)
1036                         )
1037 #endif
1038                    ) {
1039                         FolderItem *new_item = NULL;
1040                         GNode *node;
1041
1042                         node = item->node;
1043                         for (node = node->children; node != NULL; node = node->next) {
1044                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
1045                                 if (!strcmp2(cur_item->path, entry)) {
1046                                         new_item = cur_item;
1047                                         break;
1048                                 }
1049                         }
1050                         if (!new_item) {
1051                                 debug_print("new folder '%s' found.\n", entry);
1052                                 new_item = folder_item_new(folder, utf8name, utf8entry);
1053                                 folder_item_append(item, new_item);
1054                         }
1055
1056                         if (!item->path) {
1057                                 if (!folder->inbox &&
1058                                     !strcmp(dir_name, INBOX_DIR)) {
1059                                         new_item->stype = F_INBOX;
1060                                         folder->inbox = new_item;
1061                                 } else if (!folder->outbox &&
1062                                            !strcmp(dir_name, OUTBOX_DIR)) {
1063                                         new_item->stype = F_OUTBOX;
1064                                         folder->outbox = new_item;
1065                                 } else if (!folder->draft &&
1066                                            !strcmp(dir_name, DRAFT_DIR)) {
1067                                         new_item->stype = F_DRAFT;
1068                                         folder->draft = new_item;
1069                                 } else if (!folder->queue &&
1070                                            !strcmp(dir_name, QUEUE_DIR)) {
1071                                         new_item->stype = F_QUEUE;
1072                                         folder->queue = new_item;
1073                                 } else if (!folder->trash &&
1074                                            !strcmp(dir_name, TRASH_DIR)) {
1075                                         new_item->stype = F_TRASH;
1076                                         folder->trash = new_item;
1077                                 }
1078                         }
1079
1080                         mh_scan_tree_recursive(new_item);
1081                 } else if (to_number(dir_name) > 0) n_msg++;
1082
1083                 g_free(entry);
1084                 g_free(utf8entry);
1085                 g_free(utf8name);
1086         }
1087
1088 #ifdef G_OS_WIN32
1089         g_dir_close(dir);
1090 #else
1091         closedir(dp);
1092 #endif
1093
1094         item->mtime = time(NULL);
1095 }
1096
1097 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1098 {
1099         FolderItem *item = node->data;
1100         gchar **paths = data;
1101         const gchar *oldpath = paths[0];
1102         const gchar *newpath = paths[1];
1103         gchar *base;
1104         gchar *new_itempath;
1105         gint oldpathlen;
1106
1107         oldpathlen = strlen(oldpath);
1108         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1109                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1110                 return TRUE;
1111         }
1112
1113         base = item->path + oldpathlen;
1114         while (*base == G_DIR_SEPARATOR) base++;
1115         if (*base == '\0')
1116                 new_itempath = g_strdup(newpath);
1117         else
1118                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1119                                            NULL);
1120         g_free(item->path);
1121         item->path = new_itempath;
1122
1123         return FALSE;
1124 }
1125
1126 static gchar *mh_filename_from_utf8(const gchar *path)
1127 {
1128         gchar *real_path = g_filename_from_utf8(path, -1, NULL, NULL, NULL);
1129
1130         if (!real_path) {
1131                 g_warning("mh_filename_from_utf8: faild to convert character set\n");
1132                 real_path = g_strdup(path);
1133         }
1134
1135         return real_path;
1136 }
1137
1138 static gchar *mh_filename_to_utf8(const gchar *path)
1139 {
1140         gchar *utf8path = g_filename_to_utf8(path, -1, NULL, NULL, NULL);
1141         if (!utf8path) {
1142                 g_warning("mh_filename_to_utf8: faild to convert character set\n");
1143                 utf8path = g_strdup(path);
1144         }
1145
1146         return utf8path;
1147 }
1148
1149 static gint sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1150 {
1151         MsgInfo *msginfo_a = (MsgInfo *) a;
1152         MsgInfo *msginfo_b = (MsgInfo *) b;
1153
1154         return (msginfo_a->msgnum - msginfo_b->msgnum);
1155 }
1156
1157 static gchar *get_unseen_seq_name(void)
1158 {
1159         static gchar *seq_name = NULL;
1160         if (!seq_name) {
1161                 gchar buf[BUFFSIZE];
1162                 gchar *tmp;
1163                 gchar *profile_path = g_strconcat(
1164                         get_home_dir(), G_DIR_SEPARATOR_S,
1165                         ".mh_profile", NULL);
1166                 FILE *fp = g_fopen(profile_path, "r");
1167                 if (fp) {
1168                         while (fgets(buf, sizeof(buf), fp) != NULL) {
1169                                 if (!strncmp(buf, "Unseen-Sequence:", strlen("Unseen-Sequence:"))) {
1170                                         gchar *seq_tmp = buf+strlen("Unseen-Sequence:");
1171                                         while (*seq_tmp == ' ')
1172                                                 seq_tmp++;
1173                                         seq_name = g_strdup(seq_tmp);
1174                                         seq_name = strretchomp(seq_name);
1175                                         break;
1176                                 }
1177                         }
1178                         fclose(fp);
1179                 }
1180                 if (!seq_name)
1181                         seq_name = g_strdup("unseen");
1182                 tmp = g_strdup_printf("%s:", seq_name);
1183                 g_free(seq_name);
1184                 seq_name = tmp;
1185         }
1186         return seq_name;
1187 }
1188
1189 #if 0
1190 static gint mh_get_flags(Folder *folder, FolderItem *item,
1191                            MsgInfoList *msginfo_list, GRelation *msgflags)
1192 {
1193         gchar *mh_sequences_filename;
1194         FILE *mh_sequences_file;
1195         gchar buf[BUFFSIZE];
1196         gchar *unseen_list = NULL;
1197         gchar *path;
1198         MsgInfoList *mcur = NULL;
1199 /*
1200         GTimer *timer = g_timer_new();
1201         g_timer_start(timer);
1202 */
1203         if (!item)
1204                 return 0;
1205
1206         /* don't update from .mh_sequences if the item's opened: mails may have
1207          * been marked read/unread and it's not yet written in the file. */
1208         if (item->opened)
1209                 return 0;
1210
1211         path = folder_item_get_path(item);
1212
1213         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
1214                                             ".mh_sequences", NULL);
1215         g_free(path);
1216         if ((mh_sequences_file = g_fopen(mh_sequences_filename, "r+b")) != NULL) {
1217                 while (fgets(buf, sizeof(buf), mh_sequences_file) != NULL) {
1218                         if (!strncmp(buf, get_unseen_seq_name(), strlen(get_unseen_seq_name()))) {
1219                                 unseen_list = g_strdup(buf+strlen(get_unseen_seq_name()));
1220                                 break;
1221                         }
1222                 }
1223                 fclose(mh_sequences_file);
1224         }
1225
1226         g_free(mh_sequences_filename);
1227
1228         if (unseen_list) {
1229                 gchar *cur = NULL;
1230                 gchar *token = NULL, *next = NULL, *boundary = NULL;
1231                 gint num = 0;
1232                 GHashTable *unseen_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1233
1234                 cur = unseen_list = strretchomp(unseen_list);
1235                 debug_print("found unseen list in .mh_sequences: %s\n", unseen_list);
1236 next_token:
1237                 while (*cur && *cur == ' ')
1238                         cur++;
1239
1240                 if ((next = strchr(cur, ' ')) != NULL) {
1241                         token = cur;
1242                         cur = next+1;
1243                         *next = '\0';
1244                 } else {
1245                         token = cur;
1246                         cur = NULL;
1247                 }
1248
1249                 if ((boundary = strchr(token, '-')) != NULL) {
1250                         gchar *start, *end;
1251                         int i;
1252                         start = token;
1253                         end = boundary+1;
1254                         *boundary='\0';
1255                         for (i = atoi(start); i <= atoi(end); i++) {
1256                                 g_hash_table_insert(unseen_table, GINT_TO_POINTER(i), GINT_TO_POINTER(1));
1257                         }
1258                 } else if ((num = atoi(token)) > 0) {
1259                         g_hash_table_insert(unseen_table, GINT_TO_POINTER(num), GINT_TO_POINTER(1));
1260                 }
1261
1262                 if (cur)
1263                         goto next_token;
1264                 for (mcur = msginfo_list; mcur; mcur = mcur->next) {
1265                         MsgInfo *msginfo = (MsgInfo *)mcur->data;
1266                         MsgPermFlags flags = msginfo->flags.perm_flags;
1267                         if (g_hash_table_lookup(unseen_table, GINT_TO_POINTER(msginfo->msgnum))) {
1268                                 flags |= MSG_UNREAD;
1269                         } else if (!(flags & MSG_NEW)) { /* don't mark new msgs as read */
1270                                 flags &= ~(MSG_UNREAD);
1271                         }
1272                         if (flags != msginfo->flags.perm_flags)
1273                                 g_relation_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
1274                 }
1275                 g_hash_table_destroy(unseen_table);
1276                 g_free(unseen_list);
1277         }
1278 /*
1279         g_timer_stop(timer);
1280         printf("mh_get_flags: %f secs\n", g_timer_elapsed(timer, NULL));
1281         g_timer_destroy(timer);
1282 */
1283         return 0;
1284 }
1285 #endif
1286
1287 static void mh_write_sequences(FolderItem *item, gboolean remove_unseen)
1288 {
1289         gchar *mh_sequences_old, *mh_sequences_new;
1290         FILE *mh_sequences_old_fp, *mh_sequences_new_fp;
1291         gchar buf[BUFFSIZE];
1292         gchar *path = NULL;
1293 /*
1294         GTimer *timer = g_timer_new();
1295         g_timer_start(timer);
1296 */
1297         if (!item)
1298                 return;
1299
1300         path = folder_item_get_path(item);
1301
1302         mh_sequences_old = g_strconcat(path, G_DIR_SEPARATOR_S,
1303                                             ".mh_sequences", NULL);
1304         mh_sequences_new = g_strconcat(path, G_DIR_SEPARATOR_S,
1305                                             ".mh_sequences.new", NULL);
1306         if ((mh_sequences_new_fp = g_fopen(mh_sequences_new, "w+b")) != NULL) {
1307                 GSList *msglist = folder_item_get_msg_list(item);
1308                 GSList *cur;
1309                 MsgInfo *info = NULL;
1310                 gint start = -1, end = -1;
1311                 gchar *sequence = g_strdup("");
1312                 msglist = g_slist_sort(msglist, sort_cache_list_by_msgnum);
1313                 cur = msglist;
1314
1315                 /* write the unseen sequence if we don't have to scrap it */
1316                 if (!remove_unseen) do {
1317                         info = (MsgInfo *)(cur ? cur->data:NULL);
1318                         if (info && (MSG_IS_UNREAD(info->flags) || MSG_IS_NEW(info->flags))) {
1319                                 if (start < 0)
1320                                         start = end = info->msgnum;
1321                                 else
1322                                         end = info->msgnum;
1323                         } else {
1324                                 if (start > 0 && end > 0) {
1325                                         gchar *tmp = sequence;
1326                                         if (start != end)
1327                                                 sequence = g_strdup_printf("%s %d-%d ", tmp, start, end);
1328                                         else
1329                                                 sequence = g_strdup_printf("%s %d ", tmp, start);
1330                                         g_free(tmp);
1331                                         start = end = -1;
1332                                 }
1333                         }
1334                         cur = cur ? cur->next:NULL;
1335                 } while (cur || (start > 0 && end > 0));
1336                 if (sequence && strlen(sequence)) {
1337                         fprintf(mh_sequences_new_fp, "%s%s\n",
1338                                         get_unseen_seq_name(), sequence);
1339                         debug_print("wrote unseen sequence: '%s%s'\n",
1340                                         get_unseen_seq_name(), sequence);
1341                 }
1342                 /* rewrite the rest of the file */
1343                 if ((mh_sequences_old_fp = g_fopen(mh_sequences_old, "r+b")) != NULL) {
1344                         while (fgets(buf, sizeof(buf), mh_sequences_old_fp) != NULL) {
1345                                 if (strncmp(buf, get_unseen_seq_name(), strlen(get_unseen_seq_name())))
1346                                         fprintf(mh_sequences_new_fp, "%s", buf);
1347                         }
1348                         fclose(mh_sequences_old_fp);
1349                 }
1350
1351                 fclose(mh_sequences_new_fp);
1352                 g_rename(mh_sequences_new, mh_sequences_old);
1353                 g_free(sequence);
1354                 procmsg_msg_list_free(msglist);
1355         }
1356         g_free(mh_sequences_old);
1357         g_free(mh_sequences_new);
1358         g_free(path);
1359 /*
1360         g_timer_stop(timer);
1361         printf("mh_get_flags: %f secs\n", g_timer_elapsed(timer, NULL));
1362         g_timer_destroy(timer);
1363 */
1364 }
1365
1366 static int mh_item_close(Folder *folder, FolderItem *item)
1367 {
1368         mh_write_sequences(item, FALSE);
1369         return 0;
1370 }