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easy_events: make event data static

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First: this function is only used in debug-builds and not in
release/real builds. It is used to drive tests using the event-based
API.

A pointer to the local struct is passed to CURLMOPT_TIMERDATA, but the
CURLMOPT_TIMERFUNCTION calback can in fact be called even after this
funtion returns, namely when curl_multi_remove_handle() is called.

Reported-by: Brian Carpenter
This commit is contained in:
Daniel Stenberg 2017-08-06 23:42:50 +02:00
parent d6c8def82a
commit fa48987356
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 3 additions and 1 deletions
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4
lib/easy.c
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@ -653,7 +653,9 @@ static CURLcode wait_or_timeout(struct Curl_multi *multi, struct events *ev)
*/
static CURLcode easy_events(struct Curl_multi *multi)
{
struct events evs= {2, FALSE, 0, NULL, 0};
/* this struct is made static to allow it to be used after this function
returns and curl_multi_remove_handle() is called */
static struct events evs= {2, FALSE, 0, NULL, 0};
/* if running event-based, do some further multi inits */
events_setup(multi, &evs);