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multi interface: only use non-NULL function pointer!

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If the socket callback function pointer hasn't been set, we must not
attempt to use it. Commit adc88ca20 made it more likely to occur.
This commit is contained in:
Daniel Stenberg 2011-12-02 21:10:28 +01:00
parent adc88ca203
commit d81f5ea3e0
1 changed files with 12 additions and 10 deletions
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22
lib/multi.c
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@ -1940,11 +1940,12 @@ static void singlesocket(struct Curl_multi *multi,
}
/* we know (entry != NULL) at this point, see the logic above */
multi->socket_cb(easy->easy_handle,
s,
action,
multi->socket_userp,
entry->socketp);
if(multi->socket_cb)
multi->socket_cb(easy->easy_handle,
s,
action,
multi->socket_userp,
entry->socketp);
entry->action = action; /* store the current action state */
}
@ -2019,11 +2020,12 @@ static void singlesocket(struct Curl_multi *multi,
remove_sock_from_hash = FALSE;
if(remove_sock_from_hash) {
multi->socket_cb(easy->easy_handle,
s,
CURL_POLL_REMOVE,
multi->socket_userp,
entry ? entry->socketp : NULL);
if(multi->socket_cb)
multi->socket_cb(easy->easy_handle,
s,
CURL_POLL_REMOVE,
multi->socket_userp,
entry ? entry->socketp : NULL);
sh_delentry(multi->sockhash, s);
}