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Avoid null pointer dereference

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In irc_listen_resolve() with NULL `host'.
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Přemysl Eric Janouch 2015-02-14 07:22:28 +01:00
parent 781bd24780
commit 6a9a707a9c
1 changed files with 2 additions and 0 deletions
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2
common.c
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@ -1689,6 +1689,8 @@ xssl_get_error (SSL *ssl, int result, const char **error_info)
static char * static char *
format_host_port_pair (const char *host, const char *port) format_host_port_pair (const char *host, const char *port)
{ {
if (!host)
host = "";
// IPv6 addresses mess with the "colon notation"; let's go with RFC 2732 // IPv6 addresses mess with the "colon notation"; let's go with RFC 2732
if (strchr (host, ':')) if (strchr (host, ':'))
return xstrdup_printf ("[%s]:%s", host, port); return xstrdup_printf ("[%s]:%s", host, port);