fixed some bugs

1 files changed, 8 insertions, 4 deletions

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
@@ -514,210 +514,214 @@ int mailmh_folder_add_subfolder(struct mailmh_folder * parent,
   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;