File bnc-163664-eds-crashes-on-invalid-utf8-contacts.patch of Package evolution-data-server-2.6

--- addressbook/libebook/e-vcard.c.orig	2006-04-04 20:53:02.000000000 -0500
+++ addressbook/libebook/e-vcard.c	2006-04-04 20:56:55.000000000 -0500
@@ -541,6 +541,45 @@ read_attribute (char **p)
 	return NULL;
 }
 
+/* Stolen from glib/glib/gconvert.c */
+static gchar *
+make_valid_utf8 (const gchar *name)
+{
+  GString *string;
+  const gchar *remainder, *invalid;
+  gint remaining_bytes, valid_bytes;
+  
+  string = NULL;
+  remainder = name;
+  remaining_bytes = strlen (name);
+  
+  while (remaining_bytes != 0) 
+    {
+      if (g_utf8_validate (remainder, remaining_bytes, &invalid)) 
+	break;
+      valid_bytes = invalid - remainder;
+    
+      if (string == NULL) 
+	string = g_string_sized_new (remaining_bytes);
+
+      g_string_append_len (string, remainder, valid_bytes);
+      /* append U+FFFD REPLACEMENT CHARACTER */
+      g_string_append (string, "\357\277\275");
+      
+      remaining_bytes -= valid_bytes + 1;
+      remainder = invalid + 1;
+    }
+  
+  if (string == NULL)
+    return g_strdup (name);
+  
+  g_string_append (string, remainder);
+
+  g_assert (g_utf8_validate (string->str, -1, NULL));
+  
+  return g_string_free (string, FALSE);
+}
+
 /* we try to be as forgiving as we possibly can here - this isn't a
  * validator.  Almost nothing is considered a fatal error.  We always
  * try to return *something*.
@@ -548,17 +587,12 @@ read_attribute (char **p)
 static void
 parse (EVCard *evc, const char *str)
 {
-	char *buf = g_strdup (str);
-	char *p, *end;
+	char *buf;
+	char *p;
 	EVCardAttribute *attr;
 
-	/* first validate the string is valid utf8 */
-	if (!g_utf8_validate (buf, -1, (const char **)&end)) {
-		/* if the string isn't valid, we parse as much as we can from it */
-		g_warning ("invalid utf8 passed to EVCard.  Limping along.");
-		*end = '\0';
-	}
-	
+	buf = make_valid_utf8 (str);
+
 	buf = fold_lines (buf);
 
 	d(printf ("BEFORE FOLDING:\n"));