1 This patch fixed segfault when supplying multiple options like '-f' for iftop.

     2 The fixing has been integrated into open iftop-1.0 pre-release version. We can

     3 see the fixing log here: 

     4 http://www.ex-parrot.com/~pdw/iftop/cvs/iftop/ChangeLog

     5 

     6 --- cfgfile.c.orig	2013-12-02 00:37:09.851645000 -0800

     7 +++ cfgfile.c	2013-12-02 00:31:53.734822000 -0800

     8 @@ -230,8 +230,13 @@

     9      stringmap S;

    10  

    11      S = stringmap_find(config, directive);

    12 -    if (S) stringmap_delete_free(S);

    13 -    stringmap_insert(config, directive, item_ptr(xstrdup(s)));

    14 +    if (S) {

    15 +	xfree(S->d.v);

    16 +	S->d = item_ptr(xstrdup(s));

    17 +    }

    18 +    else {

    19 +	stringmap_insert(config, directive, item_ptr(xstrdup(s)));

    20 +    }

    21  }

    22  

    23  int read_config(char *file, int whinge_on_error) {