10 files changed, 299 insertions, 107 deletions

diff --git a/gtk/xdgmime/ChangeLog b/gtk/xdgmime/ChangeLog
index 72f58432d..b49b42371 100644
--- a/gtk/xdgmime/ChangeLog
+++ b/gtk/xdgmime/ChangeLog
@@ -1,3 +1,8 @@
+2005-12-01  Matthias Clasen  <mclasen@redhat.com>
+
+	* Merge upstream changes to handle duplicate glob
+	patterns.
+
 2005-11-04  Matthias Clasen  <mclasen@redhat.com>
 
 	* xdgmime.c (xdg_mime_list_mime_parents): Prevent
diff --git a/gtk/xdgmime/test-mime.c b/gtk/xdgmime/test-mime.c
index 9364cf823..7cff59b49 100644
--- a/gtk/xdgmime/test-mime.c
+++ b/gtk/xdgmime/test-mime.c
@@ -1,3 +1,25 @@
+/* 
+ * Copyright (C) 2003,2004  Red Hat, Inc.
+ * Copyright (C) 2003,2004  Jonathan Blandford <jrb@alum.mit.edu>
+ *
+ * Licensed under the Academic Free License version 2.0
+ * Or under the following terms:
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
 #include "xdgmime.h"
 #include "xdgmimeglob.h"
 #include <string.h>
diff --git a/gtk/xdgmime/xdgmime.c b/gtk/xdgmime/xdgmime.c
index 55d44b301..931576e6c 100644
--- a/gtk/xdgmime/xdgmime.c
+++ b/gtk/xdgmime/xdgmime.c
@@ -438,7 +438,7 @@ xdg_mime_get_mime_type_for_data (const void *data,
   if (_caches)
     return _xdg_mime_cache_get_mime_type_for_data (data, len);
 
-  mime_type = _xdg_mime_magic_lookup_data (global_magic, data, len);
+  mime_type = _xdg_mime_magic_lookup_data (global_magic, data, len, NULL, 0);
 
   if (mime_type)
     return mime_type;
@@ -451,12 +451,17 @@ xdg_mime_get_mime_type_for_file (const char  *file_name,
                                  struct stat *statbuf)
 {
   const char *mime_type;
+  /* currently, only a few globs occur twice, and none
+   * more often, so 5 seems plenty.
+   */
+  const char *mime_types[5];
   FILE *file;
   unsigned char *data;
   int max_extent;
   int bytes_read;
   struct stat buf;
   const char *base_name;
+  int n;
 
   if (file_name == NULL)
     return NULL;
@@ -466,13 +471,13 @@ xdg_mime_get_mime_type_for_file (const char  *file_name,
   xdg_mime_init ();
 
   if (_caches)
-    return _xdg_mime_cache_get_mime_type_for_file (file_name);
+    return _xdg_mime_cache_get_mime_type_for_file (file_name, statbuf);
 
   base_name = _xdg_get_base_name (file_name);
-  mime_type = xdg_mime_get_mime_type_from_file_name (base_name);
+  n = _xdg_glob_hash_lookup_file_name (global_hash, base_name, mime_types, 5);
 
-  if (mime_type != XDG_MIME_TYPE_UNKNOWN)
-    return mime_type;
+  if (n == 1)
+    return mime_types[0];
 
   if (!statbuf)
     {
@@ -508,7 +513,8 @@ xdg_mime_get_mime_type_for_file (const char  *file_name,
       return XDG_MIME_TYPE_UNKNOWN;
     }
 
-  mime_type = _xdg_mime_magic_lookup_data (global_magic, data, bytes_read);
+  mime_type = _xdg_mime_magic_lookup_data (global_magic, data, bytes_read,
+					   mime_types, n);
 
   free (data);
   fclose (file);
@@ -529,8 +535,7 @@ xdg_mime_get_mime_type_from_file_name (const char *file_name)
   if (_caches)
     return _xdg_mime_cache_get_mime_type_from_file_name (file_name);
 
-  mime_type = _xdg_glob_hash_lookup_file_name (global_hash, file_name);
-  if (mime_type)
+  if (_xdg_glob_hash_lookup_file_name (global_hash, file_name, &mime_type, 1))
     return mime_type;
   else
     return XDG_MIME_TYPE_UNKNOWN;
@@ -680,9 +685,6 @@ xdg_mime_mime_type_subclass (const char *mime,
   if (strcmp (umime, ubase) == 0)
     return 1;
 
-  /* We really want to handle text/ * in GtkFileFilter, so we just
-   * turn on the supertype matching
-   */
 #if 1  
   /* Handle supertypes */
   if (xdg_mime_is_super_type (ubase) &&
diff --git a/gtk/xdgmime/xdgmime.h b/gtk/xdgmime/xdgmime.h
index d07cfded9..28894423a 100644
--- a/gtk/xdgmime/xdgmime.h
+++ b/gtk/xdgmime/xdgmime.h
@@ -62,7 +62,6 @@ typedef void (*XdgMimeDestroy)  (void *user_data);
 #define xdg_mime_register_reload_callback     XDG_ENTRY(register_reload_callback)
 #define xdg_mime_remove_callback              XDG_ENTRY(remove_callback)
 #define xdg_mime_type_unknown                 XDG_ENTRY(type_unknown)
-#define xdg_mime_dump                         XDG_ENTRY(dump)
 #endif
 
 extern const char *xdg_mime_type_unknown;
diff --git a/gtk/xdgmime/xdgmimecache.c b/gtk/xdgmime/xdgmimecache.c
index e37abb162..d08c89b1c 100644
--- a/gtk/xdgmime/xdgmimecache.c
+++ b/gtk/xdgmime/xdgmimecache.c
@@ -262,13 +262,15 @@ static const char *
 cache_magic_lookup_data (XdgMimeCache *cache, 
 			 const void   *data, 
 			 size_t        len, 
-			 int          *prio)
+			 int          *prio,
+			 const char   *mime_types[],
+			 int           n_mime_types)
 {
   xdg_uint32_t list_offset;
   xdg_uint32_t n_entries;
   xdg_uint32_t offset;
 
-  int j;
+  int j, n;
 
   *prio = 0;
 
@@ -278,10 +280,27 @@ cache_magic_lookup_data (XdgMimeCache *cache,
   
   for (j = 0; j < n_entries; j++)
     {
-      const char *match = cache_magic_compare_to_data (cache, offset + 16 * j, 
-						       data, len, prio);
+      const char *match;
+
+      match = cache_magic_compare_to_data (cache, offset + 16 * j, 
+					   data, len, prio);
       if (match)
 	return match;
+      else
+	{
+	  xdg_uint32_t mimetype_offset;
+	  const char *non_match;
+	  
+	  mimetype_offset = GET_UINT32 (cache->buffer, offset + 16 * j + 4);
+	  non_match = cache->buffer + mimetype_offset;
+
+	  for (n = 0; n < n_mime_types; n++)
+	    {
+	      if (mime_types[n] && 
+		  xdg_mime_mime_type_equal (mime_types[n], non_match))
+		mime_types[n] = NULL;
+	    }
+	}
     }
 
   return NULL;
@@ -325,8 +344,10 @@ cache_alias_lookup (const char *alias)
   return NULL;
 }
 
-static const char *
-cache_glob_lookup_literal (const char *file_name)
+static int
+cache_glob_lookup_literal (const char *file_name,
+			   const char *mime_types[],
+			   int         n_mime_types)
 {
   const char *ptr;
   int i, min, max, mid, cmp;
@@ -355,22 +376,27 @@ cache_glob_lookup_literal (const char *file_name)
 	  else
 	    {
 	      offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * mid + 4);
-	      return  cache->buffer + offset;
+	      mime_types[0] = (const char *)(cache->buffer + offset);
+	      
+	      return 1;
 	    }
 	}
     }
 
-  return NULL;
+  return 0;
 }
 
-static const char *
-cache_glob_lookup_fnmatch (const char *file_name)
+static int
+cache_glob_lookup_fnmatch (const char *file_name,
+			   const char *mime_types[],
+			   int         n_mime_types)
 {
   const char *mime_type;
   const char *ptr;
 
-  int i, j;
+  int i, j, n;
 
+  n = 0;
   for (i = 0; _caches[i]; i++)
     {
       XdgMimeCache *cache = _caches[i];
@@ -378,7 +404,7 @@ cache_glob_lookup_fnmatch (const char *file_name)
       xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 20);
       xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset);
 
-      for (j = 0; j < n_entries; j++)
+      for (j = 0; j < n_entries && n < n_mime_types; j++)
 	{
 	  xdg_uint32_t offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * j);
 	  xdg_uint32_t mimetype_offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * j + 4);
@@ -387,19 +413,24 @@ cache_glob_lookup_fnmatch (const char *file_name)
 
 	  /* FIXME: Not UTF-8 safe */
 	  if (fnmatch (ptr, file_name, 0) == 0)
-	    return mime_type;
+	    mime_types[n++] = mime_type;
 	}
-    }
 
-  return NULL;
+      if (n > 0)
+	return n;
+    }
+  
+  return 0;
 }
 
-static const char *
+static int
 cache_glob_node_lookup_suffix (XdgMimeCache *cache,
 			       xdg_uint32_t  n_entries,
 			       xdg_uint32_t  offset,
 			       const char   *suffix, 
-			       int           ignore_case)
+			       int           ignore_case,
+			       const char   *mime_types[],
+			       int           n_mime_types)
 {
   xdg_unichar_t character;
   xdg_unichar_t match_char;
@@ -407,7 +438,7 @@ cache_glob_node_lookup_suffix (XdgMimeCache *cache,
   xdg_uint32_t n_children;
   xdg_uint32_t child_offset; 
 
-  int min, max, mid;
+  int min, max, mid, n, i;
 
   character = _xdg_utf8_to_ucs4 (suffix);
   if (ignore_case)
@@ -431,8 +462,24 @@ cache_glob_node_lookup_suffix (XdgMimeCache *cache,
 	  if (*suffix == '\0')
 	    {
 	      mimetype_offset = GET_UINT32 (cache->buffer, offset + 16 * mid + 4);
+	      n = 0;
+	      mime_types[n++] = cache->buffer + mimetype_offset;
+	      
+	      n_children = GET_UINT32 (cache->buffer, offset + 16 * mid + 8);
+	      child_offset = GET_UINT32 (cache->buffer, offset + 16 * mid + 12);
+	      i = 0;
+	      while (n < n_mime_types && i < n_children)
+		{
+		  match_char = GET_UINT32 (cache->buffer, child_offset + 16 * i);
+		  mimetype_offset = GET_UINT32 (cache->buffer, offset + 16 * i + 4);
+		  if (match_char != 0)
+		    break;
 
-	      return cache->buffer + mimetype_offset;
+		  mime_types[n++] = cache->buffer + mimetype_offset;
+		  i++;
+		}
+
+	      return n;
 	    }
 	  else
 	    {
@@ -441,21 +488,23 @@ cache_glob_node_lookup_suffix (XdgMimeCache *cache,
       
 	      return cache_glob_node_lookup_suffix (cache, 
 						    n_children, child_offset,
-						    suffix, ignore_case);
+						    suffix, ignore_case,
+						    mime_types,
+						    n_mime_types);
 	    }
 	}
     }
 
-  return NULL;
+  return 0;
 }
 
-static const char *
+static int
 cache_glob_lookup_suffix (const char *suffix, 
-			  int         ignore_case)
+			  int         ignore_case,
+			  const char *mime_types[],
+			  int         n_mime_types)
 {
-  const char *mime_type;
-
-  int i;
+  int i, n;
 
   for (i = 0; _caches[i]; i++)
     {
@@ -465,14 +514,16 @@ cache_glob_lookup_suffix (const char *suffix,
       xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset);
       xdg_uint32_t offset = GET_UINT32 (cache->buffer, list_offset + 4);
 
-      mime_type = cache_glob_node_lookup_suffix (cache, 
-						 n_entries, offset, 
-						 suffix, ignore_case);
-      if (mime_type)
-	return mime_type;
+      n = cache_glob_node_lookup_suffix (cache, 
+					 n_entries, offset, 
+					 suffix, ignore_case,
+					 mime_types,
+					 n_mime_types);
+      if (n > 0)
+	return n;
     }
 
-  return NULL;
+  return 0;
 }
 
 static void
@@ -512,19 +563,21 @@ find_stopchars (char *stopchars)
   stopchars[k] = '\0';
 }
 
-static const char *
-cache_glob_lookup_file_name (const char *file_name)
+static int
+cache_glob_lookup_file_name (const char *file_name, 
+			     const char *mime_types[],
+			     int         n_mime_types)
 {
-  const char *mime_type;
   const char *ptr;
   char stopchars[128];
-
+  int n;
+  
   assert (file_name != NULL);
 
   /* First, check the literals */
-  mime_type = cache_glob_lookup_literal (file_name);
-  if (mime_type)
-    return mime_type;
+  n = cache_glob_lookup_literal (file_name, mime_types, n_mime_types);
+  if (n > 0)
+    return n;
 
   find_stopchars (stopchars);
 
@@ -532,19 +585,19 @@ cache_glob_lookup_file_name (const char *file_name)
   ptr = strpbrk (file_name, stopchars);
   while (ptr)
     {
-      mime_type = cache_glob_lookup_suffix (ptr, FALSE);
-      if (mime_type != NULL)
-	return mime_type;
+      n = cache_glob_lookup_suffix (ptr, FALSE, mime_types, n_mime_types);
+      if (n > 0)
+	return n;
       
-      mime_type = cache_glob_lookup_suffix (ptr, TRUE);
-      if (mime_type != NULL)
-	return mime_type;
+      n = cache_glob_lookup_suffix (ptr, TRUE, mime_types, n_mime_types);
+      if (n > 0)
+	return n;
 
       ptr = strpbrk (ptr + 1, stopchars);
     }
   
   /* Last, try fnmatch */
-  return cache_glob_lookup_fnmatch (file_name);
+  return cache_glob_lookup_fnmatch (file_name, mime_types, n_mime_types);
 }
 
 int
@@ -566,12 +619,14 @@ _xdg_mime_cache_get_max_buffer_extents (void)
   return max_extent;
 }
 
-const char *
-_xdg_mime_cache_get_mime_type_for_data (const void *data,
-					size_t      len)
+static const char *
+cache_get_mime_type_for_data (const void *data,
+			      size_t      len,
+			      const char *mime_types[],
+			      int         n_mime_types)
 {
   const char *mime_type;
-  int i, priority;
+  int i, n, priority;
 
   priority = 0;
   mime_type = NULL;
@@ -582,7 +637,8 @@ _xdg_mime_cache_get_mime_type_for_data (const void *data,
       int prio;
       const char *match;
 
-      match = cache_magic_lookup_data (cache, data, len, &prio);
+      match = cache_magic_lookup_data (cache, data, len, &prio, 
+				       mime_types, n_mime_types);
       if (prio > priority)
 	{
 	  priority = prio;
@@ -593,19 +649,35 @@ _xdg_mime_cache_get_mime_type_for_data (const void *data,
   if (priority > 0)
     return mime_type;
 
+  for (n = 0; n < n_mime_types; n++)
+    {
+      if (mime_types[n])
+	return mime_types[n];
+    }
+
   return XDG_MIME_TYPE_UNKNOWN;
 }
 
 const char *
-_xdg_mime_cache_get_mime_type_for_file (const char *file_name)
+_xdg_mime_cache_get_mime_type_for_data (const void *data,
+					size_t      len)
+{
+  return cache_get_mime_type_for_data (data, len, NULL, 0);
+}
+
+const char *
+_xdg_mime_cache_get_mime_type_for_file (const char  *file_name,
+					struct stat *statbuf)
 {
   const char *mime_type;
+  const char *mime_types[2];
   FILE *file;
   unsigned char *data;
   int max_extent;
   int bytes_read;
-  struct stat statbuf;
+  struct stat buf;
   const char *base_name;
+  int n;
 
   if (file_name == NULL)
     return NULL;
@@ -614,15 +686,20 @@ _xdg_mime_cache_get_mime_type_for_file (const char *file_name)
     return NULL;
 
   base_name = _xdg_get_base_name (file_name);
-  mime_type = _xdg_mime_cache_get_mime_type_from_file_name (base_name);
+  n = cache_glob_lookup_file_name (base_name, mime_types, 2);
 
-  if (mime_type != XDG_MIME_TYPE_UNKNOWN)
-    return mime_type;
+  if (n == 1)
+    return mime_types[0];
 
-  if (stat (file_name, &statbuf) != 0)
-    return XDG_MIME_TYPE_UNKNOWN;
+  if (!statbuf)
+    {
+      if (stat (file_name, &buf) != 0)
+	return XDG_MIME_TYPE_UNKNOWN;
+
+      statbuf = &buf;
+    }
 
-  if (!S_ISREG (statbuf.st_mode))
+  if (!S_ISREG (statbuf->st_mode))
     return XDG_MIME_TYPE_UNKNOWN;
 
   /* FIXME: Need to make sure that max_extent isn't totally broken.  This could
@@ -648,7 +725,8 @@ _xdg_mime_cache_get_mime_type_for_file (const char *file_name)
       return XDG_MIME_TYPE_UNKNOWN;
     }
 
-  mime_type = _xdg_mime_cache_get_mime_type_for_data (data, bytes_read);
+  mime_type = cache_get_mime_type_for_data (data, bytes_read,
+					    mime_types, n);
 
   free (data);
   fclose (file);
@@ -661,9 +739,7 @@ _xdg_mime_cache_get_mime_type_from_file_name (const char *file_name)
 {
   const char *mime_type;
 
-  mime_type = cache_glob_lookup_file_name (file_name);
-
-  if (mime_type)
+  if (cache_glob_lookup_file_name (file_name, &mime_type, 1))
     return mime_type;
   else
     return XDG_MIME_TYPE_UNKNOWN;
diff --git a/gtk/xdgmime/xdgmimecache.h b/gtk/xdgmime/xdgmimecache.h
index 0b36c87ce..61793cb70 100644
--- a/gtk/xdgmime/xdgmimecache.h
+++ b/gtk/xdgmime/xdgmimecache.h
@@ -46,7 +46,8 @@ void          _xdg_mime_cache_unref         (XdgMimeCache *cache);
 
 const char  *_xdg_mime_cache_get_mime_type_for_data       (const void *data,
 		 				           size_t      len);
-const char  *_xdg_mime_cache_get_mime_type_for_file       (const char *file_name);
+const char  *_xdg_mime_cache_get_mime_type_for_file       (const char  *file_name,
+							   struct stat *statbuf);
 const char  *_xdg_mime_cache_get_mime_type_from_file_name (const char *file_name);
 int          _xdg_mime_cache_is_valid_mime_type           (const char *mime_type);
 int          _xdg_mime_cache_mime_type_equal              (const char *mime_a,
diff --git a/gtk/xdgmime/xdgmimeglob.c b/gtk/xdgmime/xdgmimeglob.c
index d1f3f1940..72c19c352 100644
--- a/gtk/xdgmime/xdgmimeglob.c
+++ b/gtk/xdgmime/xdgmimeglob.c
@@ -241,8 +241,39 @@ _xdg_glob_hash_insert_text (XdgGlobHashNode *glob_hash_node,
   text = _xdg_utf8_next_char (text);
   if (*text == '\000')
     {
-      free ((void *) node->mime_type);
-      node->mime_type = mime_type;
+      if (node->mime_type)
+	{
+	  if (strcmp (node->mime_type, mime_type))
+	    {
+	      XdgGlobHashNode *child;
+	      int found_node = FALSE;
+	      
+	      child = node->child;
+	      while (child && child->character == '\0')
+		{
+		  if (strcmp (child->mime_type, mime_type) == 0)
+		    {
+		      found_node = TRUE;
+		      break;
+		    }
+		  child = child->next;
+		}
+
+	      if (!found_node)
+		{
+		  child = _xdg_glob_hash_node_new ();
+		  child->character = '\000';
+		  child->mime_type = mime_type;
+		  child->child = NULL;
+		  child->next = node->child;
+		  node->child = child;
+		}
+	    }
+	}
+      else
+	{
+	  node->mime_type = mime_type;
+	}
     }
   else
     {
@@ -251,16 +282,19 @@ _xdg_glob_hash_insert_text (XdgGlobHashNode *glob_hash_node,
   return glob_hash_node;
 }
 
-static const char *
+static int
 _xdg_glob_hash_node_lookup_file_name (XdgGlobHashNode *glob_hash_node,
 				      const char      *file_name,
-				      int              ignore_case)
+				      int              ignore_case,
+				      const char      *mime_types[],
+				      int              n_mime_types)
 {
+  int n;
   XdgGlobHashNode *node;
   xdg_unichar_t character;
 
   if (glob_hash_node == NULL)
-    return NULL;
+    return 0;
 
   character = _xdg_utf8_to_ucs4 (file_name);
   if (ignore_case)
@@ -272,34 +306,55 @@ _xdg_glob_hash_node_lookup_file_name (XdgGlobHashNode *glob_hash_node,
 	{
 	  file_name = _xdg_utf8_next_char (file_name);
 	  if (*file_name == '\000')
-	    return node->mime_type;
+	    {
+	      n = 0;
+	      mime_types[n++] = node->mime_type;
+	      node = node->child;
+	      while (n < n_mime_types && node && node->character == 0)
+		{
+		  mime_types[n++] = node->mime_type;
+		  node = node->next;
+		}
+	    }
 	  else
-	    return _xdg_glob_hash_node_lookup_file_name (node->child,
-							 file_name,
-							 ignore_case);
+	    {
+	      n = _xdg_glob_hash_node_lookup_file_name (node->child,
+							file_name,
+							ignore_case,
+							mime_types,
+							n_mime_types);
+	    }
+	  return n;
 	}
     }
-  return NULL;
+
+  return 0;
 }
 
-const char *
+int
 _xdg_glob_hash_lookup_file_name (XdgGlobHash *glob_hash,
-				 const char  *file_name)
+				 const char  *file_name,
+				 const char  *mime_types[],
+				 int          n_mime_types)
 {
   XdgGlobList *list;
-  const char *mime_type;
   const char *ptr;
   char stopchars[128];
-  int i;
+  int i, n;
   XdgGlobHashNode *node;
 
   /* First, check the literals */
 
-  assert (file_name != NULL);
+  assert (file_name != NULL && n_mime_types > 0);
 
   for (list = glob_hash->literal_list; list; list = list->next)
-    if (strcmp ((const char *)list->data, file_name) == 0)
-      return list->mime_type;
+    {
+      if (strcmp ((const char *)list->data, file_name) == 0)
+	{
+	  mime_types[0] = list->mime_type;
+	  return 1;
+	}
+    }
 
   i = 0;
   for (node = glob_hash->simple_node; node; node = node->next)
@@ -312,23 +367,28 @@ _xdg_glob_hash_lookup_file_name (XdgGlobHash *glob_hash,
   ptr = strpbrk (file_name, stopchars);
   while (ptr)
     {
-      mime_type = (_xdg_glob_hash_node_lookup_file_name (glob_hash->simple_node, ptr, FALSE));
-      if (mime_type != NULL)
-        return mime_type;
+      n = _xdg_glob_hash_node_lookup_file_name (glob_hash->simple_node, ptr, FALSE,
+						mime_types, n_mime_types);
+      if (n > 0)
+	return n;
       
-      mime_type = (_xdg_glob_hash_node_lookup_file_name (glob_hash->simple_node, ptr, TRUE));
-      if (mime_type != NULL)
-        return mime_type;
+      n = _xdg_glob_hash_node_lookup_file_name (glob_hash->simple_node, ptr, TRUE,
+						mime_types, n_mime_types);
+      if (n > 0)
+	return n;
       
       ptr = strpbrk (ptr + 1, stopchars);
     }
 
   /* FIXME: Not UTF-8 safe */
-  for (list = glob_hash->full_list; list; list = list->next)
-    if (fnmatch ((const char *)list->data, file_name, 0) == 0)
-      return list->mime_type;
+  n = 0;
+  for (list = glob_hash->full_list; list && n < n_mime_types; list = list->next)
+    {
+      if (fnmatch ((const char *)list->data, file_name, 0) == 0)
+	mime_types[n++] = list->mime_type;
+    }
 
-  return NULL;
+  return n;
 }
 
 
diff --git a/gtk/xdgmime/xdgmimeglob.h b/gtk/xdgmime/xdgmimeglob.h
index 771c4527f..25a1f20e5 100644
--- a/gtk/xdgmime/xdgmimeglob.h
+++ b/gtk/xdgmime/xdgmimeglob.h
@@ -54,8 +54,10 @@ void         _xdg_mime_glob_read_from_file   (XdgGlobHash *glob_hash,
 					      const char  *file_name);
 XdgGlobHash *_xdg_glob_hash_new              (void);
 void         _xdg_glob_hash_free             (XdgGlobHash *glob_hash);
-const char  *_xdg_glob_hash_lookup_file_name (XdgGlobHash *glob_hash,
-					      const char  *text);
+int          _xdg_glob_hash_lookup_file_name (XdgGlobHash *glob_hash,
+					      const char  *text,
+					      const char  *mime_types[],
+					      int          n_mime_types);
 void         _xdg_glob_hash_append_glob      (XdgGlobHash *glob_hash,
 					      const char  *glob,
 					      const char  *mime_type);
diff --git a/gtk/xdgmime/xdgmimemagic.c b/gtk/xdgmime/xdgmimemagic.c
index 6696b378c..e9a2d90b8 100644
--- a/gtk/xdgmime/xdgmimemagic.c
+++ b/gtk/xdgmime/xdgmimemagic.c
@@ -47,6 +47,8 @@
 #define	TRUE	(!FALSE)
 #endif
 
+extern int errno;
+
 typedef struct XdgMimeMagicMatch XdgMimeMagicMatch;
 typedef struct XdgMimeMagicMatchlet XdgMimeMagicMatchlet;
 
@@ -651,10 +653,13 @@ _xdg_mime_magic_get_buffer_extents (XdgMimeMagic *mime_magic)
 const char *
 _xdg_mime_magic_lookup_data (XdgMimeMagic *mime_magic,
 			     const void   *data,
-			     size_t        len)
+			     size_t        len,
+                             const char   *mime_types[],
+                             int           n_mime_types)
 {
   XdgMimeMagicMatch *match;
   const char *mime_type;
+  int n;
 
   mime_type = NULL;
   for (match = mime_magic->match_list; match; match = match->next)
@@ -665,6 +670,24 @@ _xdg_mime_magic_lookup_data (XdgMimeMagic *mime_magic,
 	    mime_type = match->mime_type;
 	  }
 	}
+      else 
+	{
+	  for (n = 0; n < n_mime_types; n++)
+	    {
+	      if (mime_types[n] && 
+		  xdg_mime_mime_type_equal (mime_types[n], match->mime_type))
+		mime_types[n] = NULL;
+	    }
+	}
+    }
+
+  if (mime_type == NULL)
+    {
+      for (n = 0; n < n_mime_types; n++)
+	{
+	  if (mime_types[n])
+	    mime_type = mime_types[n];
+	}
     }
 
   return mime_type;
diff --git a/gtk/xdgmime/xdgmimemagic.h b/gtk/xdgmime/xdgmimemagic.h
index dea0a3c04..16578962b 100644
--- a/gtk/xdgmime/xdgmimemagic.h
+++ b/gtk/xdgmime/xdgmimemagic.h
@@ -49,6 +49,8 @@ void          _xdg_mime_magic_free               (XdgMimeMagic *mime_magic);
 int           _xdg_mime_magic_get_buffer_extents (XdgMimeMagic *mime_magic);
 const char   *_xdg_mime_magic_lookup_data        (XdgMimeMagic *mime_magic,
 						  const void   *data,
-						  size_t        len);
+						  size_t        len,
+						  const char   *mime_types[],
+						  int           n_mime_types);
 
 #endif /* __XDG_MIME_MAGIC_H__ */