fixed some bugs

2 files changed, 26 insertions, 11 deletions

diff --git a/kmicromail/libetpan/maildir/maildir.c b/kmicromail/libetpan/maildir/maildir.c
index 0e038b1..1ef0b7a 100644
--- a/kmicromail/libetpan/maildir/maildir.c
+++ b/kmicromail/libetpan/maildir/maildir.c
@@ -1,729 +1,740 @@
 /*
  * libEtPan! -- a mail stuff library
  *
  * Copyright (C) 2001 - 2003 - DINH Viet Hoa
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the libEtPan! project nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 /*
  * $Id$
  */
 
 #include "maildir.h"
 
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <dirent.h>
 #include <time.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
 
 #ifdef LIBETPAN_SYSTEM_BASENAME
 #include <libgen.h>
 #endif
 
 /*
   We suppose the maildir mailbox remains on one unique filesystem.
 */
 
 struct maildir * maildir_new(const char * path)
 {
   struct maildir * md;
   
   md = malloc(sizeof(* md));
   if (md == NULL)
     goto err;
   
   md->mdir_counter = 0;
   md->mdir_mtime_new = (time_t) -1;
   md->mdir_mtime_cur = (time_t) -1;
   
   md->mdir_pid = getpid();
   gethostname(md->mdir_hostname, sizeof(md->mdir_hostname));
   strncpy(md->mdir_path, path, sizeof(md->mdir_path));
   md->mdir_path[PATH_MAX - 1] = '\0';
   
   md->mdir_msg_list = carray_new(128);
   if (md->mdir_msg_list == NULL)
     goto free;
   
   md->mdir_msg_hash = chash_new(CHASH_DEFAULTSIZE, CHASH_COPYNONE);
   if (md->mdir_msg_hash == NULL)
     goto free_msg_list;
   
   return md;
   
  free_msg_list:
   carray_free(md->mdir_msg_list);
  free:
   free(md);
  err:
   return NULL;
 }
 
 static void maildir_flush(struct maildir * md, int msg_new);
 
 void maildir_free(struct maildir * md)
 {
   maildir_flush(md, 0);
   maildir_flush(md, 1);
   chash_free(md->mdir_msg_hash);
   carray_free(md->mdir_msg_list);
   free(md);
 }
 
 #define MAX_TRY_ALLOC 32
 
 static char * maildir_get_new_message_filename(struct maildir * md,
     char * tmpfile)
 {
   char filename[PATH_MAX];
   char basename[PATH_MAX];
   int k;
   time_t now;
-  
+  struct stat f_stat;
   now = time(NULL);
   k = 0;
+
+  fprintf(stderr,"maildir_get_new_message_filename: %s  \n", tmpfile);
   while (k < MAX_TRY_ALLOC) {
     snprintf(basename, sizeof(basename), "%lu.%u_%u.%s",
         (unsigned long) now, md->mdir_pid, md->mdir_counter, md->mdir_hostname);
     snprintf(filename, sizeof(filename), "%s/tmp/%s",
         md->mdir_path, basename);
-    
-    if (link(tmpfile, filename) == 0) {
+      fprintf(stderr,"filename %s  \n", filename); 
+    // LR changed following lines
+    if ( stat( filename,  &f_stat   ) == -1 ) {
+        //if (link(tmpfile, filename) == 0) {
       char * dup_filename;
       
       dup_filename = strdup(filename);
       if (dup_filename == NULL) {
-        unlink(filename);
+          //unlink(filename);
         return NULL;
       }
-      
-      unlink(tmpfile);
+      fprintf(stderr,"filename %s %s \n", tmpfile,dup_filename);
+      //unlink(tmpfile);
+      rename (tmpfile,dup_filename );
       md->mdir_counter ++;
       
       return dup_filename;
     }
     
     md->mdir_counter ++;
     k ++;
   }
   
   return NULL;
 }
 
 
 static void msg_free(struct maildir_msg * msg)
 {
   free(msg->msg_uid);
   free(msg->msg_filename);
   free(msg);
 }
 
 /*
   msg_new()
   
   filename is given without path
 */
 
 static struct maildir_msg * msg_new(char * filename, int new_msg)
 {
   struct maildir_msg * msg;
   char * p;
   int flags;
   size_t uid_len;
   char * begin_uid;
 
   /* name of file : xxx-xxx_xxx-xxx:2,SRFT */
   
   msg = malloc(sizeof(* msg));
   if (msg == NULL)
     goto err;
   
   msg->msg_filename = strdup(filename);
   if (msg->msg_filename == NULL)
     goto free;
   
   begin_uid = filename;
   
   uid_len = strlen(begin_uid);
   
   flags = 0;
   p = strstr(filename, ":2,");
   if (p != NULL) {
     uid_len = p - begin_uid;
     
     p += 3;
     
     /* parse flags */
     while (* p != '\0') {
       switch (* p) {
       case 'S':
         flags |= MAILDIR_FLAG_SEEN;
         break;
       case 'R':
         flags |= MAILDIR_FLAG_REPLIED;
         break;
       case 'F':
         flags |= MAILDIR_FLAG_FLAGGED;
         break;
       case 'T':
         flags |= MAILDIR_FLAG_TRASHED;
         break;
       }
       p ++;
     }
   }
   
   if (new_msg)
     flags |= MAILDIR_FLAG_NEW;
   
   msg->msg_flags = flags;
 
   msg->msg_uid = malloc(uid_len + 1);
   if (msg->msg_uid == NULL)
     goto free_filename;
   
   strncpy(msg->msg_uid, begin_uid, uid_len);
   msg->msg_uid[uid_len] = '\0';
   
   return msg;
   
  free_filename:
   free(msg->msg_filename);
  free:
   free(msg);
  err:
   return NULL;
 }
 
 static void maildir_flush(struct maildir * md, int msg_new)
 {
   unsigned int i;
   
   i = 0;
   while (i < carray_count(md->mdir_msg_list)) {
     struct maildir_msg * msg;
     int delete;
 
     msg = carray_get(md->mdir_msg_list, i);
     
     if (msg_new) {
       delete = 0;
       if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0)
         delete = 1;
     }
     else {
       delete = 1;
       if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0)
         delete = 0;
     }
     
     if (delete) {
       chashdatum key;
       
       key.data = msg->msg_uid;
       key.len = strlen(msg->msg_uid);
       chash_delete(md->mdir_msg_hash, &key, NULL);
       
       carray_delete(md->mdir_msg_list, i);
       msg_free(msg);
     }
     else {
       i ++;
     }
   }
 }
 
 static int add_message(struct maildir * md,
     char * filename, int is_new)
 {
   struct maildir_msg * msg;
   chashdatum key;
   chashdatum value;
   unsigned int i;
   int res;
   int r;
   
+  fprintf(stderr,"add_message filename: %s  \n", filename);
   msg = msg_new(filename, is_new);
   if (msg == NULL) {
     res = MAILDIR_ERROR_MEMORY;
     goto err;
   }
   
   r = carray_add(md->mdir_msg_list, msg, &i);
   if (r < 0) {
     res = MAILDIR_ERROR_MEMORY;
     goto free_msg;
   }
   
   key.data = msg->msg_uid;
   key.len = strlen(msg->msg_uid);
   value.data = msg;
   value.len = 0;
   
   r = chash_set(md->mdir_msg_hash, &key, &value, NULL);
   if (r < 0) {
     res = MAILDIR_ERROR_MEMORY;
     goto delete;
   }
   
   return MAILDIR_NO_ERROR;
   
  delete:
   carray_delete(md->mdir_msg_list, i);
  free_msg:
   msg_free(msg);
  err:
   return res;
 }
 
 static int add_directory(struct maildir * md, char * path, int is_new)
 {
   DIR * d;
   struct dirent * entry;
   int res;
   int r;
   char filename[PATH_MAX];
   
   d = opendir(path);
   if (d == NULL) {
     res = MAILDIR_ERROR_DIRECTORY;
     goto err;
   }
   
   while ((entry = readdir(d)) != NULL) {
     struct stat stat_info;
     
     snprintf(filename, sizeof(filename), "%s/%s", path, entry->d_name);
     r = stat(filename, &stat_info);
     if (r < 0)
       continue;
     
     if (S_ISDIR(stat_info.st_mode))
       continue;
     
     r = add_message(md, entry->d_name, is_new);
     if (r != MAILDIR_NO_ERROR) {
       /* ignore errors */
     }
   }
   
   closedir(d);
   
   return MAILDIR_NO_ERROR;
   
  err:
   return res;
 }
 
 int maildir_update(struct maildir * md)
 {
   struct stat stat_info;
   char path_new[PATH_MAX];
   char path_cur[PATH_MAX];
   int r;
   int res;
   
   snprintf(path_new, sizeof(path_new), "%s/new", md->mdir_path);
   snprintf(path_cur, sizeof(path_cur), "%s/cur", md->mdir_path);
   
   /* did new/ changed ? */
   
   r = stat(path_new, &stat_info);
   if (r < 0) {
     res = MAILDIR_ERROR_DIRECTORY;
     goto free;
   }
   
   if (md->mdir_mtime_new != stat_info.st_mtime) {
     md->mdir_mtime_new = stat_info.st_mtime;
     
     maildir_flush(md, 1);
     
     /* messages in new */
     r = add_directory(md, path_new, 1);
     if (r != MAILDIR_NO_ERROR) {
       res = r;
       goto free;
     }
   }
 
   /* did cur/ changed ? */
   
   r = stat(path_cur, &stat_info);
   if (r < 0) {
     res = MAILDIR_ERROR_DIRECTORY;
     goto free;
   }
   
   if (md->mdir_mtime_cur != stat_info.st_mtime) {
     md->mdir_mtime_cur = stat_info.st_mtime;
     
     maildir_flush(md, 0);
 
     /* messages in cur */
     r = add_directory(md, path_cur, 0);
     if (r != MAILDIR_NO_ERROR) {
       res = r;
       goto free;
     }
   }
   
   return MAILDIR_NO_ERROR;
   
  free:
   maildir_flush(md, 0);
   maildir_flush(md, 1);
   md->mdir_mtime_cur = (time_t) -1;
   md->mdir_mtime_new = (time_t) -1;
   return res;
 }
 
 #ifndef LIBETPAN_SYSTEM_BASENAME
 static char * libetpan_basename(char * filename)
 {
   char * next;
   char * p;
   
   p = filename;
   next = strchr(p, '/');
   
   while (next != NULL) {
     p = next;
     next = strchr(p + 1, '/');
   }
   
   if (p == filename)
     return filename;
   else
     return p + 1;
 }
 #else
 #define libetpan_basename(a) basename(a)
 #endif
 
 int maildir_message_add_uid(struct maildir * md,
     const char * message, size_t size,
     char * uid, size_t max_uid_len)
 {
   char path_new[PATH_MAX];
   char tmpname[PATH_MAX];
   int fd;
   int r;
   char * mapping;
   char * delivery_tmp_name;
   char * delivery_tmp_basename;
   char delivery_new_name[PATH_MAX];
   char * delivery_new_basename;
   int res;
   struct stat stat_info;
   
+  fprintf(stderr,"maildir_message_add_uid for uid: %s  \n", uid);
   r = maildir_update(md);
   if (r != MAILDIR_NO_ERROR) {
     res = r;
     goto err;
   }
 
   /* write to tmp/ with a classic temporary file */
 
   snprintf(tmpname, sizeof(tmpname), "%s/tmp/etpan-maildir-XXXXXX",
       md->mdir_path);
   fd = mkstemp(tmpname);
   if (fd < 0) {
     res = MAILDIR_ERROR_FILE;
     goto err;
   }
   
   r = ftruncate(fd, size);
   if (r < 0) {
     res = MAILDIR_ERROR_FILE;
     goto close;
   }
   
   mapping = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
   if (mapping == MAP_FAILED) {
     res = MAILDIR_ERROR_FILE;
     goto close;
   }
   
   memcpy(mapping, message, size);
   
   msync(mapping, size, MS_SYNC);
   munmap(mapping, size);
   
   close(fd);
 
   /* write to tmp/ with maildir standard name */
   
   delivery_tmp_name = maildir_get_new_message_filename(md, tmpname);
   if (delivery_tmp_name == NULL) {
     res = MAILDIR_ERROR_FILE;
     goto unlink;
   }
   
   /* write to new/ with maildir standard name */
   
   strncpy(tmpname, delivery_tmp_name, sizeof(tmpname));
   tmpname[sizeof(tmpname) - 1] = '\0';
   
   delivery_tmp_basename = libetpan_basename(tmpname);
   
   snprintf(delivery_new_name, sizeof(delivery_new_name), "%s/new/%s",
       md->mdir_path, delivery_tmp_basename);
   
   r = link(delivery_tmp_name, delivery_new_name);
   if (r < 0) {
     res = MAILDIR_ERROR_FILE;
     goto unlink_tmp;
   }
   
   snprintf(path_new, sizeof(path_new), "%s/new", md->mdir_path);
   r = stat(path_new, &stat_info);
   if (r < 0) {
     unlink(delivery_new_name);
     res = MAILDIR_ERROR_FILE;
     goto unlink_tmp;
   }
 
   md->mdir_mtime_new = stat_info.st_mtime;
   
   delivery_new_basename = libetpan_basename(delivery_new_name);
   
   r = add_message(md, delivery_new_basename, 1);
   if (r != MAILDIR_NO_ERROR) {
     unlink(delivery_new_name);
     res = MAILDIR_ERROR_FILE;
     goto unlink_tmp;
   }
   
   if (uid != NULL)
     strncpy(uid, delivery_new_basename, max_uid_len);
   
   unlink(delivery_tmp_name);
   free(delivery_tmp_name);
   
   return MAILDIR_NO_ERROR;
   
  unlink_tmp:
   unlink(delivery_tmp_name);
   free(delivery_tmp_name);
   goto err;
  close:
   close(fd);
  unlink:
   unlink(tmpname);
  err:
   return res;
 }
 
 int maildir_message_add(struct maildir * md,
     const char * message, size_t size)
 {
   return maildir_message_add_uid(md, message, size,
       NULL, 0);
 }
 
 int maildir_message_add_file_uid(struct maildir * md, int fd,
     char * uid, size_t max_uid_len)
 {
   char * message;
   struct stat buf;
   int r;
   
+  fprintf(stderr,"maildir_message_add_file_uid: %s  \n", uid);
   if (fstat(fd, &buf) == -1)
     return MAILDIR_ERROR_FILE;
   
   message = mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
   if (message == MAP_FAILED)
     return MAILDIR_ERROR_FILE;
   
   r = maildir_message_add_uid(md, message, buf.st_size, uid, max_uid_len);
   
   munmap(message, buf.st_size);
   
   return r;
 }
 
 int maildir_message_add_file(struct maildir * md, int fd)
 {
+  fprintf(stderr,"maildir_message_add_file \n");
   return maildir_message_add_file_uid(md, fd,
       NULL, 0);
 }
 
 char * maildir_message_get(struct maildir * md, const char * uid)
 {
   chashdatum key;
   chashdatum value;
   char filename[PATH_MAX];
   char * dup_filename;
   struct maildir_msg * msg;
   char * dir;
   int r;
   
+  fprintf(stderr,"maildir_message_get for uid: %s  \n", uid);
   key.data = (void *) uid;
   key.len = strlen(uid);
   r = chash_get(md->mdir_msg_hash, &key, &value);
   if (r < 0)
     return NULL;
   
   msg = value.data;
   if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0)
     dir = "new";
   else
     dir = "cur";
   
   snprintf(filename, sizeof(filename), "%s/%s/%s",
       md->mdir_path, dir, msg->msg_filename);
   
   dup_filename = strdup(filename);
   if (dup_filename == NULL)
     return NULL;
   
   return dup_filename;
 }
 
 int maildir_message_remove(struct maildir * md, const char * uid)
 {
   chashdatum key;
   chashdatum value;
   char filename[PATH_MAX];
   struct maildir_msg * msg;
   char * dir;
   int r;
   int res;
 
+  fprintf(stderr,"maildir_message_remove for uid: %s  \n", uid);
   key.data = (void *) uid;
   key.len = strlen(uid);
   r = chash_get(md->mdir_msg_hash, &key, &value);
   if (r < 0) {
     res = MAILDIR_ERROR_NOT_FOUND;
     goto err;
   }
   
   msg = value.data;
   if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0)
     dir = "new";
   else
     dir = "cur";
   
   snprintf(filename, sizeof(filename), "%s/%s/%s",
       md->mdir_path, dir, msg->msg_filename);
   
   r = unlink(filename);
   if (r < 0) {
     res = MAILDIR_ERROR_FILE;
     goto err;
   }
   
   return MAILDIR_NO_ERROR;
   
  err:
   return res;
 }
 
 int maildir_message_change_flags(struct maildir * md,
     const char * uid, int new_flags)
 {
   chashdatum key;
   chashdatum value;
   char filename[PATH_MAX];
   struct maildir_msg * msg;
   char * dir;
   int r;
   char new_filename[PATH_MAX];
   char flag_str[5];
   size_t i;
   int res;
-
+  fprintf(stderr,"maildir_message_change_flags for uid: %s  \n", uid);
   key.data = (void *) uid;
   key.len = strlen(uid);
   r = chash_get(md->mdir_msg_hash, &key, &value);
   if (r < 0) {
     res = MAILDIR_ERROR_NOT_FOUND;
     goto err;
   }
   
   msg = value.data;
   if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0)
     dir = "new";
   else
     dir = "cur";
   
   snprintf(filename, sizeof(filename), "%s/%s/%s",
       md->mdir_path, dir, msg->msg_filename);
   
   if ((new_flags & MAILDIR_FLAG_NEW) != 0)
     dir = "new";
   else
     dir = "cur";
   
   i = 0;
   if ((new_flags & MAILDIR_FLAG_SEEN) != 0) {
     flag_str[i] = 'S';
     i ++;
   }
   if ((new_flags & MAILDIR_FLAG_REPLIED) != 0) {
     flag_str[i] = 'R';
     i ++;
   }
   if ((new_flags & MAILDIR_FLAG_FLAGGED) != 0) {
     flag_str[i] = 'F';
     i ++;
   }
   if ((new_flags & MAILDIR_FLAG_TRASHED) != 0) {
     flag_str[i] = 'T';
     i ++;
   }
   flag_str[i] = 0;
   
   if (flag_str[0] == '\0')
     snprintf(new_filename, sizeof(new_filename), "%s/%s/%s",
         md->mdir_path, dir, msg->msg_uid);
   else
     snprintf(new_filename, sizeof(new_filename), "%s/%s/%s:2,%s",
         md->mdir_path, dir, msg->msg_uid, flag_str);
   
   if (strcmp(filename, new_filename) == 0)
     return MAILDIR_NO_ERROR;
   
   r = link(filename, new_filename);
   if (r < 0) {
     res = MAILDIR_ERROR_FILE;
     goto err;
   }
   
   unlink(filename);
   
   return MAILDIR_NO_ERROR;
   
  err:
   return res;
 }
diff --git a/kmicromail/libetpan/mh/mailmh.c b/kmicromail/libetpan/mh/mailmh.c
index 119f217..5e2b4cc 100644
--- a/kmicromail/libetpan/mh/mailmh.c
+++ b/kmicromail/libetpan/mh/mailmh.c
@@ -1,981 +1,985 @@
 /*
  * libEtPan! -- a mail stuff library
  *
  * Copyright (C) 2001, 2002 - DINH Viet Hoa
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the libEtPan! project nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 /*
  * $Id$
  */
 
 #include "mailmh.h"
 
 /*
 perfs :
 
 /net/home/dinh/Mail/inbox/sylpheed 686
 
 2724    /net/home/dinh/Mail/inbox/sylpheed
 
 bart:~/LibEtPan/libetpan/tests> time ./mhtest >/dev/null
 
 real    0m0.385s
 user    0m0.270s
 sys     0m0.110s
 
 */
 
 #include <dirent.h>
 #include <sys/stat.h>
 #include <errno.h>
 #include <unistd.h>
 #include <sys/mman.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "libetpan-config.h"
 
 struct mailmh * mailmh_new(const char * foldername)
 {
   struct mailmh * f;
 
   f = malloc(sizeof(*f));
   if (f == NULL)
     return NULL;
 
   f->mh_main = mailmh_folder_new(NULL, foldername);
   if (f->mh_main == NULL) {
     free(f);
     return NULL;
   }
   
   return f;
 }
 
 void mailmh_free(struct mailmh * f)
 {
   mailmh_folder_free(f->mh_main);
   free(f);
 }
 
 
 
 struct mailmh_msg_info * mailmh_msg_info_new(uint32_t index, size_t size,
 					     time_t mtime)
 {
   struct mailmh_msg_info * msg_info;
 
   msg_info = malloc(sizeof(* msg_info));
   if (msg_info == NULL)
     return NULL;
   msg_info->msg_index = index;
   msg_info->msg_size = size;
   msg_info->msg_mtime = mtime;
 
   msg_info->msg_array_index = 0;
 
   return msg_info;
 }
 
 void mailmh_msg_info_free(struct mailmh_msg_info * msg_info)
 {
   free(msg_info);
 }
 
 struct mailmh_folder * mailmh_folder_new(struct mailmh_folder * parent,
 					 const char * name)
 {
   char * filename;
   char * parent_filename;
 
   struct mailmh_folder * folder;
 
   folder = malloc(sizeof(* folder));
   if (folder == NULL)
     goto err;
 
   if (parent == NULL) {
     filename = strdup(name);
     if (filename == NULL)
       goto free_folder;
   }
   else {
     parent_filename = parent->fl_filename;
     filename = malloc(strlen(parent_filename) + strlen(name) + 2);
     if (filename == NULL)
       goto free_folder;
 
     strcpy(filename, parent_filename);
     strcat(filename, MAIL_DIR_SEPARATOR_S);
     strcat(filename, name);
   }
 
   folder->fl_filename = filename;
 
   folder->fl_name = strdup(name);
   if (folder->fl_name == NULL)
     goto free_filename;
 
   folder->fl_msgs_tab = carray_new(128);
   if (folder->fl_msgs_tab == NULL)
     goto free_name;
 
 #if 0
   folder->fl_msgs_hash = cinthash_new(128);
   if (folder->fl_msgs_hash == NULL)
     goto free_msgs_tab;
 #endif
   folder->fl_msgs_hash = chash_new(CHASH_DEFAULTSIZE, CHASH_COPYKEY);
   if (folder->fl_msgs_hash == NULL)
     goto free_msgs_tab;
 
   folder->fl_subfolders_tab = carray_new(128);
   if (folder->fl_subfolders_tab == NULL)
     goto free_msgs_hash;
 
   folder->fl_subfolders_hash = chash_new(128, CHASH_COPYNONE);
   if (folder->fl_subfolders_hash == NULL)
     goto free_subfolders_tab;
 
   folder->fl_mtime = 0;
   folder->fl_parent = parent;
   folder->fl_max_index = 0;
 
   return folder;
 
  free_subfolders_tab:
   carray_free(folder->fl_subfolders_tab);
  free_msgs_hash:
 #if 0
   cinthash_free(folder->fl_msgs_hash);
 #endif
   chash_free(folder->fl_msgs_hash);
  free_msgs_tab:
   carray_free(folder->fl_msgs_tab);
  free_name:
   free(folder->fl_name);
  free_filename:
   free(folder->fl_filename);
  free_folder:
   free(folder);
  err:
   return NULL;
 }
 
 void mailmh_folder_free(struct mailmh_folder * folder)
 {
   unsigned int i;
 
   for(i = 0 ; i < carray_count(folder->fl_subfolders_tab) ; i++) {
     struct mailmh_folder * subfolder;
 
     subfolder = carray_get(folder->fl_subfolders_tab, i);
     if (subfolder != NULL)
       mailmh_folder_free(subfolder);
   }
   carray_free(folder->fl_subfolders_tab);
   chash_free(folder->fl_subfolders_hash);
 
   for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) {
     struct mailmh_msg_info * msg_info;
 
     msg_info = carray_get(folder->fl_msgs_tab, i);
     if (msg_info != NULL)
       mailmh_msg_info_free(msg_info);
   }
   carray_free(folder->fl_msgs_tab);
   chash_free(folder->fl_msgs_hash);
 #if 0
   cinthash_free(folder->fl_msgs_hash);
 #endif
   
   free(folder->fl_filename);
   free(folder->fl_name);
 
   free(folder);
 }
 
 struct mailmh_folder * mailmh_folder_find(struct mailmh_folder * root,
 					  const char * filename)
 {
   int r;
   char pathname[PATH_MAX];
   char * p;
   chashdatum key;
   chashdatum data;
   struct mailmh_folder * folder;
   char * start;
 
   if (strcmp(root->fl_filename, filename) == 0)
     return root;
 
 #if 0
   r = mailmh_folder_update(root);
   if (r != MAILMH_NO_ERROR)
     return NULL;
 #endif
 
 #if 0
   for(i = 0 ; i < root->fl_subfolders_tab->len ; i++) {
     struct mailmh_folder * subfolder;
 
     subfolder = carray_get(root->fl_subfolders_tab, i);
     if (subfolder != NULL)
       if (strncmp(subfolder->fl_filename, filename,
 		  strlen(subfolder->fl_filename)) == 0)
 	return mailmh_folder_find(subfolder, filename);
   }
 #endif
   strncpy(pathname, filename, PATH_MAX);
   pathname[PATH_MAX - 1] = 0;
   start = pathname + strlen(root->fl_filename) + 1;
 
   p = strchr(start, MAIL_DIR_SEPARATOR);
   if (p != NULL) {
     * p = 0;
 
     root = mailmh_folder_find(root, pathname);
     if (root != NULL) {
       folder = mailmh_folder_find(root, filename);
       if (folder == NULL)
 	return NULL;
       return folder;
     }
 
     return NULL;
   }
   else {
     key.data = pathname;
     key.len = strlen(pathname);
     r = chash_get(root->fl_subfolders_hash, &key, &data);
     if (r < 0)
       return NULL;
 
     return data.data;
   }
 }
 
 int mailmh_folder_update(struct mailmh_folder * folder)
 {
   DIR * d;
   struct dirent * ent;
   struct stat buf;
   char * mh_seq;
   char filename[PATH_MAX];
   int res;
   int r;
   uint32_t max_index;
 #if 0
   int add_folder;
 #endif
   unsigned int i;
 
   if (stat(folder->fl_filename, &buf) == -1) {
     res = MAILMH_ERROR_FOLDER;
     goto err;
   }
 
   if (folder->fl_mtime == buf.st_mtime) {
     res = MAILMH_NO_ERROR;
     goto err;
   }
 
   folder->fl_mtime = buf.st_mtime;
 
   d = opendir(folder->fl_filename);
   if (d == NULL) {
     res = MAILMH_ERROR_FOLDER;
     goto err;
   }
 
   max_index = 0;
 
 #if 0
   if (folder->fl_subfolders_tab->len == 0)
     add_folder = 1;
   else
     add_folder = 0;
 #endif
 
   /* clear the message list */
 
   for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i ++) {
     struct mailmh_msg_info * msg_info;
     chashdatum key;
     
     msg_info = carray_get(folder->fl_msgs_tab, i);
     if (msg_info == NULL)
       continue;
 
 #if 0
     cinthash_remove(folder->fl_msgs_hash, msg_info->msg_index);
 #endif
     key.data = &msg_info->msg_index;
     key.len = sizeof(msg_info->msg_index);
     chash_delete(folder->fl_msgs_hash, &key, NULL);
     
     mailmh_msg_info_free(msg_info);
   }
 
   carray_set_size(folder->fl_msgs_tab, 0);
 
   do {
     uint32_t index;
 
     ent = readdir(d);
 
     if (ent != NULL) {
 
       snprintf(filename, PATH_MAX,
 	       "%s%c%s", folder->fl_filename, MAIL_DIR_SEPARATOR, ent->d_name);
 
       if (stat(filename, &buf) == -1)
 	continue;
 
       if (S_ISREG(buf.st_mode)) {
 	index = strtoul(ent->d_name, NULL, 10);
 	if (index != 0) {
 	  struct mailmh_msg_info * msg_info;
 	  unsigned int array_index;
           chashdatum key;
           chashdatum data;
 
 	  msg_info = mailmh_msg_info_new(index, buf.st_size, buf.st_mtime);
 	  if (msg_info == NULL) {
 	    res = MAILMH_ERROR_MEMORY;
 	    goto closedir;
 	  }
 	  
 	  r = carray_add(folder->fl_msgs_tab, msg_info, &array_index);
 	  if (r < 0) {
 	    mailmh_msg_info_free(msg_info);
 	    res = MAILMH_ERROR_MEMORY;
 	    goto closedir;
 	  }
 	  msg_info->msg_array_index = array_index;
 
 	  if (index > max_index)
 	    max_index = index;
 
 #if 0
 	  r = cinthash_add(folder->fl_msgs_hash, msg_info->msg_index, msg_info);
 #endif
           key.data = &msg_info->msg_index;
           key.len = sizeof(msg_info->msg_index);
           data.data = msg_info;
           data.len = 0;
           
           r = chash_set(folder->fl_msgs_hash, &key, &data, NULL);
 	  if (r < 0) {
 	    carray_delete_fast(folder->fl_msgs_tab, msg_info->msg_array_index);
 	    mailmh_msg_info_free(msg_info);
 	    res = MAILMH_ERROR_MEMORY;
 	    goto closedir;
 	  }
 	}
       }
       else if (S_ISDIR(buf.st_mode)) {
 	struct mailmh_folder * subfolder;
 	unsigned int array_index;
 	chashdatum key;
 	chashdatum data;
 
 	if (ent->d_name[0] == '.') {
 	  if (ent->d_name[1] == 0)
 	    continue;
 	  if ((ent->d_name[1] == '.') && (ent->d_name[2] == 0))
 	    continue;
 	}
 
 	key.data = ent->d_name;
 	key.len = strlen(ent->d_name);
 	r = chash_get(folder->fl_subfolders_hash, &key, &data);
 	if (r < 0) {
 	  subfolder = mailmh_folder_new(folder, ent->d_name);
 	  if (subfolder == NULL) {
 	    res = MAILMH_ERROR_MEMORY;
 	    goto closedir;
 	  }
 	  
 	  r = carray_add(folder->fl_subfolders_tab, subfolder, &array_index);
 	  if (r < 0) {
 	    mailmh_folder_free(subfolder);
 	    res = MAILMH_ERROR_MEMORY;
 	    goto closedir;
 	  }
 	  subfolder->fl_array_index = array_index;
 	  
 	  key.data = subfolder->fl_filename;
 	  key.len = strlen(subfolder->fl_filename);
 	  data.data = subfolder;
 	  data.len = 0;
 	  r = chash_set(folder->fl_subfolders_hash, &key, &data, NULL);
 	  if (r < 0) {
 	    carray_delete_fast(folder->fl_subfolders_tab, subfolder->fl_array_index);
 	    mailmh_folder_free(subfolder);
 	    res = MAILMH_ERROR_MEMORY;
 	    goto closedir;
 	  }
 	}
       }
     }
   }
   while (ent != NULL);
 
   folder->fl_max_index = max_index;
 
   mh_seq = malloc(strlen(folder->fl_filename) + 2 + sizeof(".mh_sequences"));
   if (mh_seq == NULL) {
     res = MAILMH_ERROR_MEMORY;
     goto closedir;
   }
   strcpy(mh_seq, folder->fl_filename);
   strcat(mh_seq, MAIL_DIR_SEPARATOR_S);
   strcat(mh_seq, ".mh_sequences");
 
   if (stat(mh_seq, &buf) == -1) {
     int fd;
 
     fd = creat(mh_seq, S_IRUSR | S_IWUSR);
     if (fd != -1)
       close(fd);
   }
   free(mh_seq);
 
   closedir(d);
 
   return MAILMH_NO_ERROR;
 
  closedir:
   closedir(d);
  err:
   return res;
 }
 
 int mailmh_folder_add_subfolder(struct mailmh_folder * parent,
 				const char * name)
 {
   char * foldername;
   int r;
   struct mailmh_folder * folder;
   unsigned int array_index;
   chashdatum key;
   chashdatum data;
 
   foldername = malloc(strlen(parent->fl_filename) + strlen(name) + 2);
   if (foldername == NULL)
     return MAILMH_ERROR_MEMORY;
   strcpy(foldername, parent->fl_filename);
   strcat(foldername, MAIL_DIR_SEPARATOR_S);
   strcat(foldername, name);
 
   r = mkdir(foldername, 0700);
   free(foldername);
 
   if (r < 0)
     return MAILMH_ERROR_FOLDER;
 
   folder = mailmh_folder_new(parent, name);
   if (folder == NULL)
     return MAILMH_ERROR_MEMORY;
   
   r = carray_add(parent->fl_subfolders_tab, folder, &array_index);
   if (r < 0) {
     mailmh_folder_free(folder);
     return MAILMH_ERROR_MEMORY;
   }
   folder->fl_array_index = array_index;
 
   key.data = folder->fl_filename;
   key.len = strlen(folder->fl_filename);
   data.data = folder;
   data.len = 0;
 
   r = chash_set(parent->fl_subfolders_hash, &key, &data, NULL);
   if (r < 0) {
     carray_delete_fast(folder->fl_subfolders_tab, folder->fl_array_index);
     mailmh_folder_free(folder);
     return MAILMH_ERROR_MEMORY;
   }
 
   return MAILMH_NO_ERROR;
 }
 
 int mailmh_folder_remove_subfolder(struct mailmh_folder * folder)
 {
   struct mailmh_folder * parent;
   chashdatum key;
   chashdatum data;
   int r;
   
   parent = folder->fl_parent;
 
   key.data = folder->fl_filename;
   key.len = strlen(folder->fl_filename);
   
   r = chash_get(parent->fl_subfolders_hash, &key, &data);
   if (r < 0)
     return MAILMH_ERROR_FOLDER;
 
   chash_delete(parent->fl_subfolders_hash, &key, NULL);
   carray_delete_fast(parent->fl_subfolders_tab, folder->fl_array_index);
   
   mailmh_folder_free(folder);
       
   return MAILMH_NO_ERROR;
 
 }
 
 int mailmh_folder_rename_subfolder(struct mailmh_folder * src_folder,
 				   struct mailmh_folder * dst_folder,
 				   const char * new_name)
 {
   int r;
   struct mailmh_folder * folder;
   struct mailmh_folder * parent;
   char * new_foldername;
   
   parent = src_folder->fl_parent;
   if (parent == NULL)
     return MAILMH_ERROR_RENAME;
 
   new_foldername = malloc(strlen(dst_folder->fl_filename) + 2 + strlen(new_name));
   if (new_foldername == NULL)
     return MAILMH_ERROR_MEMORY;
 
   strcpy(new_foldername, dst_folder->fl_filename);
   strcat(new_foldername, MAIL_DIR_SEPARATOR_S);
   strcat(new_foldername, new_name);
 
   r = rename(src_folder->fl_filename, new_foldername);
   free(new_foldername);
   if (r < 0)
     return MAILMH_ERROR_RENAME;
 
   r = mailmh_folder_remove_subfolder(src_folder);
   if (r != MAILMH_NO_ERROR)
     return r;
 
   folder = mailmh_folder_new(dst_folder, new_name);
   if (folder == NULL)
     return MAILMH_ERROR_MEMORY;
   
   r = carray_add(parent->fl_subfolders_tab, folder, NULL);
   if (r < 0) {
     mailmh_folder_free(folder);
     return MAILMH_ERROR_MEMORY;
   }
 
   return MAILMH_NO_ERROR;
 }
 
 #define MAX_TRY_ALLOC 32
 
 /* initial file MUST be in the same directory */
 
 static int mailmh_folder_alloc_msg(struct mailmh_folder * folder,
 				   char * filename, uint32_t * result)
 {
   uint32_t max;
   uint32_t k;
   char * new_filename;
   size_t len;
+  struct stat f_stat;
 
   len = strlen(folder->fl_filename) + 20;
   new_filename = malloc(len);
   if (new_filename == NULL)
     return MAILMH_ERROR_MEMORY;
 
   max = folder->fl_max_index + 1;
 
+  //fprintf(stderr,"mailmh_folder_alloc_msg filename: %s  \n", filename);
   k = 0;
   while (k < MAX_TRY_ALLOC) {
     snprintf(new_filename, len, "%s%c%lu", folder->fl_filename,
 	     MAIL_DIR_SEPARATOR, (unsigned long) (max + k));
-
-    if (link(filename, new_filename) == 0) {
+    //fprintf(stderr,"mailmh_folder_alloc_msg new_filename: %s  \n", new_filename);
+    if ( stat( new_filename,  &f_stat   ) == -1 ) {
+     // if (link(filename, new_filename) == 0) {
       int r;
-
+      //fprintf(stderr,"filename found  \n");
+      //unlink(filename);
+      rename (filename,new_filename );
       free(new_filename);
-      unlink(filename);
 
       if (k > MAX_TRY_ALLOC / 2) {
 	r = mailmh_folder_update(folder);
 	/* ignore errors */
       }
 
       * result = max + k;
 
       folder->fl_max_index = max + k;
 
       return MAILMH_NO_ERROR;
     }
     else if (errno == EXDEV) {
       free(filename);
       return MAILMH_ERROR_FOLDER;
     }
     k ++;
   }
 
   free(new_filename);
 
   return MAILMH_ERROR_FOLDER;
 }
 
 int mailmh_folder_get_message_filename(struct mailmh_folder * folder,
 				       uint32_t index, char ** result)
 {
   char * filename;
   int len;
 
 #if 0
   r = mailmh_folder_update(folder);
   if (r != MAILMH_NO_ERROR)
     return r;
 #endif
 
   len = strlen(folder->fl_filename) + 20;
   filename = malloc(len);
   if (filename == NULL)
     return MAILMH_ERROR_MEMORY;
 
   snprintf(filename, len, "%s%c%lu", folder->fl_filename, MAIL_DIR_SEPARATOR,
 	   (unsigned long) index);
 
   * result = filename;
 
   return MAILMH_NO_ERROR;;
 }
 
 
 int mailmh_folder_get_message_fd(struct mailmh_folder * folder,
 				 uint32_t index, int flags, int * result)
 {
   char * filename;
   int fd;
   int r;
 
 #if 0
   r = mailmh_folder_update(folder);
   if (r != MAILMH_NO_ERROR)
     return r;
 #endif
 
   r = mailmh_folder_get_message_filename(folder, index, &filename);
   if (r != MAILMH_NO_ERROR)
     return r;
 
   fd = open(filename, flags);
   free(filename);
   if (fd == -1)
     return MAILMH_ERROR_MSG_NOT_FOUND;
 
   * result = fd;
 
   return MAILMH_NO_ERROR;
 }
 
 int mailmh_folder_get_message_size(struct mailmh_folder * folder,
 				   uint32_t index, size_t * result)
 {
   int r;
   char * filename;
   struct stat buf;
 
   r = mailmh_folder_get_message_filename(folder, index, &filename);
   if (r != MAILMH_NO_ERROR)
     return r;
 
   r = stat(filename, &buf);
   free(filename);
   if (r < 0)
     return MAILMH_ERROR_FILE;
 
   * result = buf.st_size;
 
   return MAILMH_NO_ERROR;
 }
 
 int mailmh_folder_add_message_uid(struct mailmh_folder * folder,
     const char * message, size_t size,
     uint32_t * pindex)
 {
   char * tmpname;
   int fd;
   size_t namesize;
   size_t left;
   ssize_t res;
   struct mailmh_msg_info * msg_info;
   uint32_t index;
   int error;
   int r;
   unsigned int array_index;
   struct stat buf;
   chashdatum key;
   chashdatum data;
 
 #if 0  
   r = mailmh_folder_update(folder);
   if (r != MAILMH_NO_ERROR) {
     error = r;
     goto err;
   }
 #endif
 
   namesize = strlen(folder->fl_filename) + 20;
   tmpname = malloc(namesize);
   snprintf(tmpname, namesize, "%s%ctmpXXXXXX",
 	   folder->fl_filename, MAIL_DIR_SEPARATOR);
   fd = mkstemp(tmpname);
   if (fd < 0) {
     error = MAILMH_ERROR_FILE;
     goto free;
   }
 
   left = size;
   while (left > 0) {
     res = write(fd, message, left);
     if (res == -1) {
       close(fd);
       error = MAILMH_ERROR_FILE;
       goto free;
     }
 
     left -= res;
   }
   close(fd);
 
   r = stat(tmpname, &buf);
   if (r < 0) {
     error = MAILMH_ERROR_FILE;
     goto free;
   }
 
   r = mailmh_folder_alloc_msg(folder, tmpname, &index);
   if (r != MAILMH_NO_ERROR) {
     unlink(tmpname);
     error = MAILMH_ERROR_COULD_NOT_ALLOC_MSG;
     goto free;
   }
   free(tmpname);
 
   msg_info = mailmh_msg_info_new(index, size, buf.st_mtime);
   if (msg_info == NULL) {
     mailmh_folder_remove_message(folder, index);
     error = MAILMH_ERROR_MEMORY;
     goto err;
   }
   
   r = carray_add(folder->fl_msgs_tab, msg_info, &array_index);
   if (r < 0) {
     mailmh_folder_remove_message(folder, index);
     mailmh_msg_info_free(msg_info);
     error = MAILMH_ERROR_MEMORY;
     goto err;
   }
   msg_info->msg_array_index = array_index;
 
 #if 0
   r = cinthash_add(folder->fl_msgs_hash, index, msg_info);
 #endif
   key.data = &index;
   key.len = sizeof(index);
   data.data = msg_info;
   data.len = 0;
   
   if (pindex != NULL)
     * pindex = index;
   
   r = chash_set(folder->fl_msgs_hash, &key, &data, NULL);
   if (r < 0) {
     carray_delete_fast(folder->fl_msgs_tab, msg_info->msg_array_index);
     mailmh_msg_info_free(msg_info);
     error = MAILMH_ERROR_MEMORY;
     goto err;
   }
   
   return MAILMH_NO_ERROR;
 
  free:
   free(tmpname);
  err:
   return error;
 }
 
 int mailmh_folder_add_message(struct mailmh_folder * folder,
     const char * message, size_t size)
 {
   return mailmh_folder_add_message_uid(folder, message, size, NULL);
 }
 
 int mailmh_folder_add_message_file_uid(struct mailmh_folder * folder,
     int fd, uint32_t * pindex)
 {
   char * message;
   struct stat buf;
   int r;
 
 #if 0
   r = mailmh_folder_update(folder);
   if (r != MAILMH_NO_ERROR)
     return r;
 #endif
 
   if (fstat(fd, &buf) == -1)
     return MAILMH_ERROR_FILE;
 
   message = mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
   if (message == MAP_FAILED)
     return MAILMH_ERROR_FILE;
 
   r = mailmh_folder_add_message_uid(folder, message, buf.st_size, pindex);
   
   munmap(message, buf.st_size);
 
   return r;
 }
 
 int mailmh_folder_add_message_file(struct mailmh_folder * folder,
     int fd)
 {
   return mailmh_folder_add_message_file_uid(folder, fd, NULL);
 }
 
 int mailmh_folder_remove_message(struct mailmh_folder * folder,
 				 uint32_t index)
 {
   char * filename;
   struct mailmh_msg_info * msg_info;
   int res;
   int r;
   chashdatum key;
   chashdatum data;
 
 #if 0  
   r = mailmh_folder_update(folder);
   if (r != MAILMH_NO_ERROR) {
     res = r;
     goto err;
   }
 #endif
 
   r = mailmh_folder_get_message_filename(folder, index, &filename);
   if (filename == NULL) {
     res = r;
     goto err;
   }
 
   if (unlink(filename) == -1) {
     res = MAILMH_ERROR_FILE;
     goto free;
   }
 
   key.data = &index;
   key.len = sizeof(index);
   r = chash_get(folder->fl_msgs_hash, &key, &data);
 #if 0
   msg_info = cinthash_find(folder->fl_msgs_hash, index);
 #endif
   if (r == 0) {
     msg_info = data.data;
 
     carray_delete_fast(folder->fl_msgs_tab, msg_info->msg_array_index);
 #if 0
     cinthash_remove(folder->fl_msgs_hash, index);
 #endif
     chash_delete(folder->fl_msgs_hash, &key, NULL);
   }
 
   return MAILMH_NO_ERROR;
 
  free:
   free(filename);
  err:
   return res;
 }
 
 
 int mailmh_folder_move_message(struct mailmh_folder * dest_folder,
 			       struct mailmh_folder * src_folder,
 			       uint32_t index)
 {
   int fd;
   char * filename;
   int r;
 
 #if 0
   r = mailmh_folder_update(dest_folder);
   if (r != MAILMH_NO_ERROR)
     return r;
   r = mailmh_folder_update(src_folder);
   if (r != MAILMH_NO_ERROR)
     return r;
 #endif
 
   /* move on the same filesystem */
   r = mailmh_folder_get_message_filename(src_folder, index, &filename);
   if (r != MAILMH_NO_ERROR)
     return r;
 
   r = mailmh_folder_alloc_msg(dest_folder, filename, &index);
   free(filename);
   if (r == MAILMH_NO_ERROR)
     return MAILMH_NO_ERROR;
 
   /* move on the different filesystems */
   r = mailmh_folder_get_message_fd(src_folder, index, O_RDONLY, &fd);
   if (r != MAILMH_NO_ERROR)
     return r;
 
   r = mailmh_folder_add_message_file(dest_folder, fd);
   if (r != MAILMH_NO_ERROR) {
     close(fd);
     return r;
   }
 
   close(fd);
 
   r = mailmh_folder_remove_message(src_folder, index);
 
   return MAILMH_NO_ERROR;
 }
 
 unsigned int mailmh_folder_get_message_number(struct mailmh_folder * folder)
 {
   unsigned int i;
   unsigned int count;
   
   count = 0;
   for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i ++)
     if (carray_get(folder->fl_msgs_tab, i) != NULL)
       count ++;
   
   return count;
 }