1 files changed, 14 insertions, 1 deletions

diff --git a/libetpan/src/low-level/maildir/maildir.c b/libetpan/src/low-level/maildir/maildir.c
index 98b9f87..e81625d 100644
--- a/libetpan/src/low-level/maildir/maildir.c
+++ b/libetpan/src/low-level/maildir/maildir.c
@@ -17,230 +17,243 @@
  *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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>
 #include <errno.h>
 #include <fcntl.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;
+  //LR
+  struct stat f_stat;
   int got_file;
   int r;
   
   got_file = 0;
   now = time(NULL);
   k = 0;
   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);
     
+    // LR changed following lines
+    if ( stat( filename,  &f_stat   ) == -1 ) {
+        char * dup_filename;
+        
+        dup_filename = strdup(filename);
+        if (dup_filename == NULL) {
+            //unlink(filename);
+            return NULL;
+        }
+        rename (tmpfile,dup_filename );
+#if 0    
     if (link(tmpfile, filename) == 0) {
       got_file = 1;
       unlink(tmpfile);
     }
     else if (errno == EXDEV) {
       unlink(tmpfile);
       return NULL;
     }
     else if (errno == EPERM) {
       r = rename(tmpfile, filename);
       if (r < 0) {
         unlink(tmpfile);
         return NULL;
       }
       got_file = 1;
     }
     
     if (got_file) {
       char * dup_filename;
       
       dup_filename = strdup(filename);
       if (dup_filename == NULL) {
         unlink(filename);
         return NULL;
       }
-      
+#endif      
       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;
 }