Fix creating a numeric directory when a message with the same number exists

[claws.git] / src / mh.c

diff --git a/src/mh.c b/src/mh.c
index e7b988876fe35774afd3187fdcd0356eef3ed37f..b3fbc9c3f614f601c8878d213cd46c5b3f203efa 100644 (file)
--- a/src/mh.c
+++ b/src/mh.c
@@ -43,6 +43,7 @@
 #include "statusbar.h"
 #include "gtkutils.h"
 #include "timing.h"
+#include "msgcache.h"
 
 /* Define possible missing constants for Windows. */
 #ifdef G_OS_WIN32
@@ -368,6 +369,11 @@ static gchar *mh_get_new_msg_filename(FolderItem *dest)
        destpath = folder_item_get_path(dest);
        cm_return_val_if_fail(destpath != NULL, NULL);
 
+       if (dest->last_num < 0) {
+               mh_get_last_num(dest->folder, dest);
+               if (dest->last_num < 0) return NULL;
+       }
+
        if (!is_dir_exist(destpath))
                make_dir_hier(destpath);
 
@@ -867,6 +873,30 @@ static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
        return real_path;
 }
 
+static gboolean mh_renumber_msg(MsgInfo *info)
+{
+       gchar *src, *dest;
+       gboolean result = FALSE;
+       guint num;
+       cm_return_val_if_fail(info != NULL, FALSE);
+
+       src = folder_item_fetch_msg(info->folder, info->msgnum);
+       dest = mh_get_new_msg_filename(info->folder);
+       num = info->folder->last_num + 1;
+
+       if (move_file(src, dest, FALSE) == 0) {
+               msgcache_remove_msg(info->folder->cache, info->msgnum);
+               info->msgnum = num;
+               msgcache_add_msg(info->folder->cache, info);
+               result = TRUE;
+       }
+
+       g_free(src);
+       g_free(dest);
+
+       return result;
+}
+
 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
                                    const gchar *name)
 {
@@ -884,12 +914,24 @@ static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
        if (!is_dir_exist(path)) 
                if (make_dir_hier(path) != 0)
                        return NULL;
-               
+
        real_name = mh_filename_from_utf8(name);
        fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
        g_free(real_name);
        g_free(path);
 
+       if (to_number(name) > 0) {
+               MsgInfo *info = folder_item_get_msginfo(parent, to_number(name));
+               if (info != NULL) {
+                       gboolean ok = mh_renumber_msg(info);
+                       procmsg_msginfo_free(info);
+                       if (!ok) {
+                               g_free(fullpath);
+                               return NULL;
+                       }
+               }
+       }
+
        if (make_dir(fullpath) < 0) {
                g_free(fullpath);
                return NULL;