src/mh.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <dirent.h>
  28 #include <sys/stat.h>
  29 #include <errno.h>
  30
  31 #undef MEASURE_TIME
  32
  33 #ifdef MEASURE_TIME
  34 #  include <sys/time.h>
  35 #endif
  36
  37 #include "intl.h"
  38 #include "folder.h"
  39 #include "mh.h"
  40 #include "procmsg.h"
  41 #include "procheader.h"
  42 #include "utils.h"
  43
  44 static GSList  *mh_get_uncached_msgs            (GHashTable     *msg_table,
  45                                                  FolderItem     *item);
  46 static MsgInfo *mh_parse_msg                    (const gchar    *file,
  47                                                  FolderItem     *item);
  48 static void     mh_scan_tree_recursive          (FolderItem     *item);
  49
  50 static gboolean mh_rename_folder_func           (GNode          *node,
  51                                                  gpointer        data);
  52
  53
  54 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
  55 {
  56         GSList *mlist;
  57         GHashTable *msg_table;
  58         gchar *path;
  59         struct stat s;
  60         gboolean scan_new = TRUE;
  61 #ifdef MEASURE_TIME
  62         struct timeval tv_before, tv_after, tv_result;
  63
  64         gettimeofday(&tv_before, NULL);
  65 #endif
  66
  67         g_return_val_if_fail(item != NULL, NULL);
  68
  69         path = folder_item_get_path(item);
  70         if (stat(path, &s) < 0) {
  71                 FILE_OP_ERROR(path, "stat");
  72         } else {
  73                 if (item->mtime == s.st_mtime) {
  74                         debug_print("Folder is not modified.\n");
  75                         scan_new = FALSE;
  76                 } else
  77                         item->mtime = s.st_mtime;
  78         }
  79         g_free(path);
  80
  81         if (use_cache && !scan_new) {
  82                 mlist = procmsg_read_cache(item, FALSE);
  83                 if (!mlist)
  84                         mlist = mh_get_uncached_msgs(NULL, item);
  85         } else if (use_cache) {
  86                 GSList *newlist;
  87
  88                 mlist = procmsg_read_cache(item, TRUE);
  89                 msg_table = procmsg_msg_hash_table_create(mlist);
  90
  91                 newlist = mh_get_uncached_msgs(msg_table, item);
  92                 if (msg_table)
  93                         g_hash_table_destroy(msg_table);
  94
  95                 mlist = g_slist_concat(mlist, newlist);
  96         } else
  97                 mlist = mh_get_uncached_msgs(NULL, item);
  98
  99         procmsg_set_flags(mlist, item);
 100
 101 #ifdef MEASURE_TIME
 102         gettimeofday(&tv_after, NULL);
 103
 104         timersub(&tv_after, &tv_before, &tv_result);
 105         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 106                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 107 #endif
 108
 109         return mlist;
 110 }
 111
 112 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 113 {
 114         gchar *path;
 115         gchar *file;
 116
 117         g_return_val_if_fail(item != NULL, NULL);
 118         g_return_val_if_fail(num > 0 && num <= item->last_num, NULL);
 119
 120         path = folder_item_get_path(item);
 121         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 122         g_free(path);
 123         if (!is_file_exist(file)) {
 124                 g_free(file);
 125                 return NULL;
 126         }
 127
 128         return file;
 129 }
 130
 131 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file)
 132 {
 133         gchar *destpath;
 134         gchar *destfile;
 135
 136         g_return_val_if_fail(dest != NULL, -1);
 137         g_return_val_if_fail(file != NULL, -1);
 138
 139         if (dest->last_num < 0) {
 140                 mh_scan_folder(folder, dest);
 141                 if (dest->last_num < 0) return -1;
 142         }
 143
 144         destpath = folder_item_get_path(dest);
 145         g_return_val_if_fail(destpath != NULL, -1);
 146         destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 147                                    dest->last_num + 1);
 148         if (copy_file(file, destfile) < 0) {
 149                 g_warning(_("can't copy message %s to %s\n"), file, destfile);
 150                 g_free(destfile);
 151                 return -1;
 152         }
 153
 154         g_free(destfile);
 155         dest->last_num++;
 156         return dest->last_num;
 157 }
 158
 159 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 160 {
 161         gchar *destdir;
 162         gchar *srcfile;
 163         gchar *destfile;
 164         FILE *fp;
 165
 166         g_return_val_if_fail(dest != NULL, -1);
 167         g_return_val_if_fail(msginfo != NULL, -1);
 168
 169         if (msginfo->folder == dest) {
 170                 g_warning(_("the src folder is identical to the dest.\n"));
 171                 return -1;
 172         }
 173
 174         if (dest->last_num < 0) {
 175                 mh_scan_folder(folder, dest);
 176                 if (dest->last_num < 0) return -1;
 177         }
 178
 179         destdir = folder_item_get_path(dest);
 180         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 181                 g_warning(_("Can't open mark file.\n"));
 182
 183         debug_print(_("Moving message %s%c%d to %s ...\n"),
 184                     msginfo->folder->path, G_DIR_SEPARATOR,
 185                     msginfo->msgnum, dest->path);
 186         srcfile = procmsg_get_message_file_path(msginfo);
 187         destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 188                                    dest->last_num + 1);
 189         g_free(destdir);
 190
 191         if (is_file_exist(destfile)) {
 192                 g_warning(_("%s already exists."), destfile);
 193                 g_free(srcfile);
 194                 g_free(destfile);
 195                 if (fp) fclose(fp);
 196                 return -1;
 197         }
 198
 199         if (rename(srcfile, destfile) < 0) {
 200                 if (EXDEV == errno) {
 201                         if (copy_file(srcfile, destfile) < 0) {
 202                                 g_free(srcfile);
 203                                 g_free(destfile);
 204                                 return -1;
 205                         }
 206                         unlink(srcfile);
 207                 } else {
 208                         FILE_OP_ERROR(srcfile, "rename");
 209                         g_free(srcfile);
 210                         g_free(destfile);
 211                         if (fp) fclose(fp);
 212                         return -1;
 213                 }
 214         }
 215
 216         g_free(srcfile);
 217         g_free(destfile);
 218         dest->last_num++;
 219
 220         if (fp) {
 221                 MsgInfo newmsginfo;
 222
 223                 newmsginfo.msgnum = dest->last_num;
 224                 newmsginfo.flags = msginfo->flags;
 225                 if (dest->stype == F_OUTBOX ||
 226                     dest->stype == F_QUEUE  ||
 227                     dest->stype == F_DRAFT  ||
 228                     dest->stype == F_TRASH)
 229                         MSG_UNSET_FLAGS(newmsginfo.flags,
 230                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 231
 232                 procmsg_write_flags(&newmsginfo, fp);
 233                 fclose(fp);
 234         }
 235
 236         return dest->last_num;
 237 }
 238
 239 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 240 {
 241         gchar *destdir;
 242         gchar *srcfile;
 243         gchar *destfile;
 244         FILE *fp;
 245         GSList *cur;
 246         MsgInfo *msginfo;
 247
 248         g_return_val_if_fail(dest != NULL, -1);
 249         g_return_val_if_fail(msglist != NULL, -1);
 250
 251         if (dest->last_num < 0) {
 252                 mh_scan_folder(folder, dest);
 253                 if (dest->last_num < 0) return -1;
 254         }
 255
 256         destdir = folder_item_get_path(dest);
 257         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 258                 g_warning(_("Can't open mark file.\n"));
 259
 260         for (cur = msglist; cur != NULL; cur = cur->next) {
 261                 msginfo = (MsgInfo *)cur->data;
 262
 263                 if (msginfo->folder == dest) {
 264                         g_warning(_("the src folder is identical to the dest.\n"));
 265                         continue;
 266                 }
 267                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 268                             msginfo->folder->path, G_DIR_SEPARATOR,
 269                             msginfo->msgnum, dest->path);
 270
 271                 srcfile = procmsg_get_message_file_path(msginfo);
 272                 destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 273                                            dest->last_num + 1);
 274
 275                 if (is_file_exist(destfile)) {
 276                         g_warning(_("%s already exists."), destfile);
 277                         g_free(srcfile);
 278                         g_free(destfile);
 279                         break;
 280                 }
 281
 282                 if (rename(srcfile, destfile) < 0) {
 283                         if (EXDEV == errno) {
 284                                 if (copy_file(srcfile, destfile) < 0) {
 285                                         g_free(srcfile);
 286                                         g_free(destfile);
 287                                         break;
 288                                 }
 289                                 unlink(srcfile);
 290                         } else {
 291                                 FILE_OP_ERROR(srcfile, "rename");
 292                                 g_free(srcfile);
 293                                 g_free(destfile);
 294                                 break;
 295                         }
 296                 }
 297
 298                 g_free(srcfile);
 299                 g_free(destfile);
 300                 dest->last_num++;
 301
 302                 if (fp) {
 303                         MsgInfo newmsginfo;
 304
 305                         newmsginfo.msgnum = dest->last_num;
 306                         newmsginfo.flags = msginfo->flags;
 307                         if (dest->stype == F_OUTBOX ||
 308                             dest->stype == F_QUEUE  ||
 309                             dest->stype == F_DRAFT  ||
 310                             dest->stype == F_TRASH)
 311                                 MSG_UNSET_FLAGS(newmsginfo.flags,
 312                                                 MSG_NEW|MSG_UNREAD|MSG_DELETED);
 313
 314                         procmsg_write_flags(&newmsginfo, fp);
 315                 }
 316         }
 317
 318         g_free(destdir);
 319         if (fp) fclose(fp);
 320
 321         return dest->last_num;
 322 }
 323
 324 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 325 {
 326         gchar *destdir;
 327         gchar *srcfile;
 328         gchar *destfile;
 329         FILE *fp;
 330
 331         g_return_val_if_fail(dest != NULL, -1);
 332         g_return_val_if_fail(msginfo != NULL, -1);
 333
 334         if (msginfo->folder == dest) {
 335                 g_warning(_("the src folder is identical to the dest.\n"));
 336                 return -1;
 337         }
 338
 339         if (dest->last_num < 0) {
 340                 mh_scan_folder(folder, dest);
 341                 if (dest->last_num < 0) return -1;
 342         }
 343
 344         destdir = folder_item_get_path(dest);
 345         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 346                 g_warning(_("Can't open mark file.\n"));
 347
 348         debug_print(_("Copying message %s%c%d to %s ...\n"),
 349                     msginfo->folder->path, G_DIR_SEPARATOR,
 350                     msginfo->msgnum, dest->path);
 351         srcfile = procmsg_get_message_file_path(msginfo);
 352         destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 353                                    dest->last_num + 1);
 354         g_free(destdir);
 355
 356         if (is_file_exist(destfile)) {
 357                 g_warning(_("%s already exists."), destfile);
 358                 g_free(srcfile);
 359                 g_free(destfile);
 360                 if (fp) fclose(fp);
 361                 return -1;
 362         }
 363
 364         if (copy_file(srcfile, destfile) < 0) {
 365                 FILE_OP_ERROR(srcfile, "copy");
 366                 g_free(srcfile);
 367                 g_free(destfile);
 368                 if (fp) fclose(fp);
 369                 return -1;
 370         }
 371
 372         g_free(srcfile);
 373         g_free(destfile);
 374         dest->last_num++;
 375
 376         if (fp) {
 377                 MsgInfo newmsginfo;
 378
 379                 newmsginfo.msgnum = dest->last_num;
 380                 newmsginfo.flags = msginfo->flags;
 381                 if (dest->stype == F_OUTBOX ||
 382                     dest->stype == F_QUEUE  ||
 383                     dest->stype == F_DRAFT  ||
 384                     dest->stype == F_TRASH)
 385                         MSG_UNSET_FLAGS(newmsginfo.flags,
 386                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 387                 procmsg_write_flags(&newmsginfo, fp);
 388                 fclose(fp);
 389         }
 390
 391         return dest->last_num;
 392 }
 393
 394 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 395 {
 396         gchar *destdir;
 397         gchar *srcfile;
 398         gchar *destfile;
 399         FILE *fp;
 400         GSList *cur;
 401         MsgInfo *msginfo;
 402
 403         g_return_val_if_fail(dest != NULL, -1);
 404         g_return_val_if_fail(msglist != NULL, -1);
 405
 406         if (dest->last_num < 0) {
 407                 mh_scan_folder(folder, dest);
 408                 if (dest->last_num < 0) return -1;
 409         }
 410
 411         destdir = folder_item_get_path(dest);
 412         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 413                 g_warning(_("Can't open mark file.\n"));
 414
 415         for (cur = msglist; cur != NULL; cur = cur->next) {
 416                 msginfo = (MsgInfo *)cur->data;
 417
 418                 if (msginfo->folder == dest) {
 419                         g_warning(_("the src folder is identical to the dest.\n"));
 420                         continue;
 421                 }
 422                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 423                             msginfo->folder->path, G_DIR_SEPARATOR,
 424                             msginfo->msgnum, dest->path);
 425
 426                 srcfile = procmsg_get_message_file_path(msginfo);
 427                 destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 428                                            dest->last_num + 1);
 429
 430                 if (is_file_exist(destfile)) {
 431                         g_warning(_("%s already exists."), destfile);
 432                         g_free(srcfile);
 433                         g_free(destfile);
 434                         break;
 435                 }
 436
 437                 if (copy_file(srcfile, destfile) < 0) {
 438                         FILE_OP_ERROR(srcfile, "copy");
 439                         g_free(srcfile);
 440                         g_free(destfile);
 441                         break;
 442                 }
 443
 444                 g_free(srcfile);
 445                 g_free(destfile);
 446                 dest->last_num++;
 447
 448                 if (fp) {
 449                         MsgInfo newmsginfo;
 450
 451                         newmsginfo.msgnum = dest->last_num;
 452                         newmsginfo.flags = msginfo->flags;
 453                         if (dest->stype == F_OUTBOX ||
 454                             dest->stype == F_QUEUE  ||
 455                             dest->stype == F_DRAFT  ||
 456                             dest->stype == F_TRASH)
 457                                 MSG_UNSET_FLAGS(newmsginfo.flags,
 458                                                 MSG_NEW|MSG_UNREAD|MSG_DELETED);
 459                         procmsg_write_flags(&newmsginfo, fp);
 460                 }
 461         }
 462
 463         g_free(destdir);
 464         if (fp) fclose(fp);
 465
 466         return dest->last_num;
 467 }
 468
 469 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 470 {
 471         gchar *file;
 472
 473         g_return_val_if_fail(item != NULL, -1);
 474
 475         file = mh_fetch_msg(folder, item, num);
 476         g_return_val_if_fail(file != NULL, -1);
 477
 478         if (unlink(file) < 0) {
 479                 FILE_OP_ERROR(file, "unlink");
 480                 g_free(file);
 481                 return -1;
 482         }
 483
 484         g_free(file);
 485         return 0;
 486 }
 487
 488 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 489 {
 490         gchar *path;
 491         DIR *dp;
 492         struct dirent *d;
 493
 494         g_return_val_if_fail(item != NULL, -1);
 495
 496         path = folder_item_get_path(item);
 497         g_return_val_if_fail(path != NULL, -1);
 498         if (change_dir(path) < 0) {
 499                 g_free(path);
 500                 return -1;
 501         }
 502         g_free(path);
 503
 504         if ((dp = opendir(".")) == NULL) {
 505                 FILE_OP_ERROR(item->path, "opendir");
 506                 return -1;
 507         }
 508
 509         while ((d = readdir(dp)) != NULL) {
 510                 if (to_number(d->d_name) < 0) continue;
 511                 if (unlink(d->d_name) < 0)
 512                         FILE_OP_ERROR(d->d_name, "unlink");
 513         }
 514
 515         closedir(dp);
 516         return 0;
 517 }
 518
 519 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 520 {
 521         struct stat s;
 522
 523         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 524             msginfo->size  != s.st_size ||
 525             msginfo->mtime != s.st_mtime)
 526                 return TRUE;
 527
 528         return FALSE;
 529 }
 530
 531 void mh_scan_folder(Folder *folder, FolderItem *item)
 532 {
 533         gchar *path;
 534         DIR *dp;
 535         struct dirent *d;
 536         struct stat s;
 537         gint max = 0;
 538         gint num;
 539         gint n_msg = 0;
 540
 541         g_return_if_fail(item != NULL);
 542
 543         path = folder_item_get_path(item);
 544         g_return_if_fail(path != NULL);
 545         if (change_dir(path) < 0) {
 546                 g_free(path);
 547                 return;
 548         }
 549         g_free(path);
 550
 551         if ((dp = opendir(".")) == NULL) {
 552                 FILE_OP_ERROR(item->path, "opendir");
 553                 return;
 554         }
 555
 556         if (folder->ui_func)
 557                 folder->ui_func(folder, item, folder->ui_func_data);
 558
 559         while ((d = readdir(dp)) != NULL) {
 560                 if ((num = to_number(d->d_name)) >= 0 &&
 561                     stat(d->d_name, &s) == 0 &&
 562                     S_ISREG(s.st_mode)) {
 563                         n_msg++;
 564                         if (max < num)
 565                                 max = num;
 566                 }
 567         }
 568
 569         closedir(dp);
 570
 571         if (n_msg == 0)
 572                 item->new = item->unread = item->total = 0;
 573         else {
 574                 gint new, unread, total;
 575
 576                 procmsg_get_mark_sum(".", &new, &unread, &total);
 577                 if (n_msg > total) {
 578                         new += n_msg - total;
 579                         unread += n_msg - total;
 580                 }
 581                 item->new = new;
 582                 item->unread = unread;
 583                 item->total = n_msg;
 584         }
 585
 586         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 587         item->last_num = max;
 588 }
 589
 590 void mh_scan_tree(Folder *folder)
 591 {
 592         FolderItem *item;
 593         gchar *rootpath;
 594
 595         g_return_if_fail(folder != NULL);
 596
 597         folder_tree_destroy(folder);
 598         item = folder_item_new(folder->name, NULL);
 599         item->folder = folder;
 600         folder->node = g_node_new(item);
 601
 602         rootpath = folder_item_get_path(item);
 603         if (change_dir(rootpath) < 0) {
 604                 g_free(rootpath);
 605                 return;
 606         }
 607         g_free(rootpath);
 608
 609         mh_scan_tree_recursive(item);
 610 }
 611
 612 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 613 { \
 614         if (!is_dir_exist(dir)) { \
 615                 if (is_file_exist(dir)) { \
 616                         g_warning(_("File `%s' already exists.\n" \
 617                                     "Can't create folder."), dir); \
 618                         return -1; \
 619                 } \
 620                 if (mkdir(dir, S_IRWXU) < 0) { \
 621                         FILE_OP_ERROR(dir, "mkdir"); \
 622                         return -1; \
 623                 } \
 624                 if (chmod(dir, S_IRWXU) < 0) \
 625                         FILE_OP_ERROR(dir, "chmod"); \
 626         } \
 627 }
 628
 629 gint mh_create_tree(Folder *folder)
 630 {
 631         gchar *rootpath;
 632
 633         g_return_val_if_fail(folder != NULL, -1);
 634
 635         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 636         rootpath = LOCAL_FOLDER(folder)->rootpath;
 637         MAKE_DIR_IF_NOT_EXIST(rootpath);
 638         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 639         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 640         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 641         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 642         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 643         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 644
 645         return 0;
 646 }
 647
 648 #undef MAKE_DIR_IF_NOT_EXIST
 649
 650 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 651                              const gchar *name)
 652 {
 653         gchar *path;
 654         gchar *fullpath;
 655         FolderItem *new_item;
 656
 657         g_return_val_if_fail(folder != NULL, NULL);
 658         g_return_val_if_fail(parent != NULL, NULL);
 659         g_return_val_if_fail(name != NULL, NULL);
 660
 661         path = folder_item_get_path(parent);
 662         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 663         g_free(path);
 664
 665         if (mkdir(fullpath, S_IRWXU) < 0) {
 666                 FILE_OP_ERROR(fullpath, "mkdir");
 667                 g_free(fullpath);
 668                 return NULL;
 669         }
 670         if (chmod(fullpath, S_IRWXU) < 0)
 671                 FILE_OP_ERROR(fullpath, "chmod");
 672
 673         g_free(fullpath);
 674
 675         if (parent->path)
 676                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 677                                    NULL);
 678         else
 679                 path = g_strdup(name);
 680         new_item = folder_item_new(name, path);
 681         folder_item_append(parent, new_item);
 682         g_free(path);
 683
 684         return new_item;
 685 }
 686
 687 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 688 {
 689         gchar *oldpath;
 690         gchar *dirname;
 691         gchar *newpath;
 692         GNode *node;
 693         gchar *paths[2];
 694
 695         g_return_val_if_fail(folder != NULL, -1);
 696         g_return_val_if_fail(item != NULL, -1);
 697         g_return_val_if_fail(item->path != NULL, -1);
 698         g_return_val_if_fail(name != NULL, -1);
 699
 700         oldpath = folder_item_get_path(item);
 701         dirname = g_dirname(oldpath);
 702         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 703         g_free(dirname);
 704
 705         if (rename(oldpath, newpath) < 0) {
 706                 FILE_OP_ERROR(oldpath, "rename");
 707                 g_free(oldpath);
 708                 g_free(newpath);
 709                 return -1;
 710         }
 711
 712         g_free(oldpath);
 713         g_free(newpath);
 714
 715         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 716                 dirname = g_dirname(item->path);
 717                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 718                 g_free(dirname);
 719         } else
 720                 newpath = g_strdup(name);
 721
 722         g_free(item->name);
 723         item->name = g_strdup(name);
 724
 725         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 726                            item);
 727         paths[0] = g_strdup(item->path);
 728         paths[1] = newpath;
 729         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 730                         mh_rename_folder_func, paths);
 731
 732         g_free(paths[0]);
 733         g_free(paths[1]);
 734         return 0;
 735 }
 736
 737 gint mh_remove_folder(Folder *folder, FolderItem *item)
 738 {
 739         gchar *path;
 740
 741         g_return_val_if_fail(folder != NULL, -1);
 742         g_return_val_if_fail(item != NULL, -1);
 743         g_return_val_if_fail(item->path != NULL, -1);
 744
 745         path = folder_item_get_path(item);
 746         if (remove_dir_recursive(path) < 0) {
 747                 g_warning("can't remove directory `%s'\n", path);
 748                 g_free(path);
 749                 return -1;
 750         }
 751
 752         g_free(path);
 753         folder_item_remove(item);
 754         return 0;
 755 }
 756
 757
 758 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
 759 {
 760         gchar *path;
 761         DIR *dp;
 762         struct dirent *d;
 763         struct stat s;
 764         GSList *newlist = NULL;
 765         GSList *last = NULL;
 766         MsgInfo *msginfo;
 767         gint n_newmsg = 0;
 768         gint num;
 769
 770         g_return_val_if_fail(item != NULL, NULL);
 771
 772         path = folder_item_get_path(item);
 773         g_return_val_if_fail(path != NULL, NULL);
 774         if (change_dir(path) < 0) {
 775                 g_free(path);
 776                 return NULL;
 777         }
 778         g_free(path);
 779
 780         if ((dp = opendir(".")) == NULL) {
 781                 FILE_OP_ERROR(item->path, "opendir");
 782                 return NULL;
 783         }
 784
 785         debug_print(_("\tSearching uncached messages... "));
 786
 787         if (msg_table) {
 788                 while ((d = readdir(dp)) != NULL) {
 789                         if ((num = to_number(d->d_name)) < 0) continue;
 790                         if (stat(d->d_name, &s) < 0) {
 791                                 FILE_OP_ERROR(d->d_name, "stat");
 792                                 continue;
 793                         }
 794                         if (!S_ISREG(s.st_mode)) continue;
 795
 796                         msginfo = g_hash_table_lookup
 797                                 (msg_table, GUINT_TO_POINTER(num));
 798
 799                         if (!msginfo) {
 800                                 /* not found in the cache (uncached message) */
 801                                 msginfo = mh_parse_msg(d->d_name, item);
 802                                 if (!msginfo) continue;
 803
 804                                 if (!newlist)
 805                                         last = newlist =
 806                                                 g_slist_append(NULL, msginfo);
 807                                 else {
 808                                         last = g_slist_append(last, msginfo);
 809                                         last = last->next;
 810                                 }
 811                                 n_newmsg++;
 812                         }
 813                 }
 814         } else {
 815                 /* discard all previous cache */
 816                 while ((d = readdir(dp)) != NULL) {
 817                         if (to_number(d->d_name) < 0) continue;
 818                         if (stat(d->d_name, &s) < 0) {
 819                                 FILE_OP_ERROR(d->d_name, "stat");
 820                                 continue;
 821                         }
 822                         if (!S_ISREG(s.st_mode)) continue;
 823
 824                         msginfo = mh_parse_msg(d->d_name, item);
 825                         if (!msginfo) continue;
 826
 827                         if (!newlist)
 828                                 last = newlist = g_slist_append(NULL, msginfo);
 829                         else {
 830                                 last = g_slist_append(last, msginfo);
 831                                 last = last->next;
 832                         }
 833                         n_newmsg++;
 834                 }
 835         }
 836
 837         closedir(dp);
 838
 839         if (n_newmsg)
 840                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
 841         else
 842                 debug_print(_("done.\n"));
 843
 844         /* sort new messages in numerical order */
 845         if (newlist) {
 846                 debug_print(_("\tSorting uncached messages in numerical order... "));
 847                 newlist = g_slist_sort
 848                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
 849                 debug_print(_("done.\n"));
 850         }
 851
 852         return newlist;
 853 }
 854
 855 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 856 {
 857         struct stat s;
 858         MsgInfo *msginfo;
 859         MsgFlags flags = MSG_NEW|MSG_UNREAD;
 860
 861         g_return_val_if_fail(item != NULL, NULL);
 862         g_return_val_if_fail(file != NULL, NULL);
 863
 864         if (item->stype == F_QUEUE) {
 865                 MSG_SET_FLAGS(flags, MSG_QUEUED);
 866         } else if (item->stype == F_DRAFT) {
 867                 MSG_SET_FLAGS(flags, MSG_DRAFT);
 868         }
 869
 870         msginfo = procheader_parse(file, flags, FALSE);
 871         if (!msginfo) return NULL;
 872
 873         msginfo->msgnum = atoi(file);
 874         msginfo->folder = item;
 875
 876         if (stat(file, &s) < 0) {
 877                 FILE_OP_ERROR(file, "stat");
 878                 msginfo->size = 0;
 879                 msginfo->mtime = 0;
 880         } else {
 881                 msginfo->size = s.st_size;
 882                 msginfo->mtime = s.st_mtime;
 883         }
 884
 885         return msginfo;
 886 }
 887
 888 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 889 {
 890         gchar *entry;
 891         gboolean result;
 892
 893         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 894         result = is_dir_exist(entry);
 895         g_free(entry);
 896
 897         return result;
 898 }
 899
 900 /*
 901  * check whether PATH is a Maildir style mailbox.
 902  * This is the case if the 3 subdir: new, cur, tmp are existing.
 903  * This functon assumes that entry is an directory
 904  */
 905 static gboolean mh_is_maildir(const gchar *path)
 906 {
 907         return mh_is_maildir_one(path, "new") &&
 908                mh_is_maildir_one(path, "cur") &&
 909                mh_is_maildir_one(path, "tmp");
 910 }
 911
 912 static void mh_scan_tree_recursive(FolderItem *item)
 913 {
 914         DIR *dp;
 915         struct dirent *d;
 916         struct stat s;
 917         gchar *entry;
 918         gint n_msg = 0;
 919
 920         g_return_if_fail(item != NULL);
 921         g_return_if_fail(item->folder != NULL);
 922
 923         dp = opendir(item->path ? item->path : ".");
 924         if (!dp) {
 925                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
 926                 return;
 927         }
 928
 929         debug_print("scanning %s ...\n",
 930                     item->path ? item->path
 931                     : LOCAL_FOLDER(item->folder)->rootpath);
 932         if (item->folder->ui_func)
 933                 item->folder->ui_func(item->folder, item,
 934                                       item->folder->ui_func_data);
 935
 936         while ((d = readdir(dp)) != NULL) {
 937                 if (d->d_name[0] == '.') continue;
 938
 939                 if (item->path)
 940                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 941                                             d->d_name, NULL);
 942                 else
 943                         entry = g_strdup(d->d_name);
 944
 945                 if (stat(entry, &s) < 0) {
 946                         FILE_OP_ERROR(entry, "stat");
 947                         g_free(entry);
 948                         continue;
 949                 }
 950
 951                 if (S_ISDIR(s.st_mode)) {
 952                         FolderItem *new_item;
 953
 954                         if (mh_is_maildir(entry)) {
 955                                 g_free(entry);
 956                                 continue;
 957                         }
 958
 959                         new_item = folder_item_new(d->d_name, entry);
 960                         folder_item_append(item, new_item);
 961                         if (!item->path) {
 962                                 if (!strcmp(d->d_name, "inbox")) {
 963                                         new_item->stype = F_INBOX;
 964                                         item->folder->inbox = new_item;
 965                                 } else if (!strcmp(d->d_name, "outbox")) {
 966                                         new_item->stype = F_OUTBOX;
 967                                         item->folder->outbox = new_item;
 968                                 } else if (!strcmp(d->d_name, "draft")) {
 969                                         new_item->stype = F_DRAFT;
 970                                         item->folder->draft = new_item;
 971                                 } else if (!strcmp(d->d_name, "queue")) {
 972                                         new_item->stype = F_QUEUE;
 973                                         item->folder->queue = new_item;
 974                                 } else if (!strcmp(d->d_name, "trash")) {
 975                                         new_item->stype = F_TRASH;
 976                                         item->folder->trash = new_item;
 977                                 }
 978                         }
 979                         mh_scan_tree_recursive(new_item);
 980                 } else if (to_number(d->d_name) != -1) n_msg++;
 981
 982                 g_free(entry);
 983         }
 984
 985         closedir(dp);
 986
 987         if (item->path) {
 988                 gint new, unread, total;
 989
 990                 procmsg_get_mark_sum(item->path, &new, &unread, &total);
 991                 if (n_msg > total) {
 992                         new += n_msg - total;
 993                         unread += n_msg - total;
 994                 }
 995                 item->new = new;
 996                 item->unread = unread;
 997                 item->total = n_msg;
 998         }
 999 }
1000
1001 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1002 {
1003         FolderItem *item = node->data;
1004         gchar **paths = data;
1005         const gchar *oldpath = paths[0];
1006         const gchar *newpath = paths[1];
1007         gchar *base;
1008         gchar *new_itempath;
1009         gint oldpathlen;
1010
1011         oldpathlen = strlen(oldpath);
1012         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1013                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1014                 return TRUE;
1015         }
1016
1017         base = item->path + oldpathlen;
1018         while (*base == G_DIR_SEPARATOR) base++;
1019         if (*base == '\0')
1020                 new_itempath = g_strdup(newpath);
1021         else
1022                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1023                                            NULL);
1024         g_free(item->path);
1025         item->path = new_itempath;
1026
1027         return FALSE;
1028 }