Commit e6882ce4 authored by Andrei Sedoi's avatar Andrei Sedoi Committed by Daniel Stenberg
Browse files

docs: multi-uv: don't use CURLMsg after cleanup

parent b1aeed30

docs/examples/multi-uv.c

+12 −5
Original line number Original line Diff line number Diff line
@@ -104,18 +104,25 @@ static void check_multi_info(void) 
  char *done_url;

  char *done_url;

  CURLMsg *message;

  CURLMsg *message;

  int pending;

  int pending;

  CURL *easy_handle;

  FILE *file;

  FILE *file;





  while((message = curl_multi_info_read(curl_handle, &pending))) {

  while((message = curl_multi_info_read(curl_handle, &pending))) {

    switch(message->msg) {

    switch(message->msg) {

    case CURLMSG_DONE:

    case CURLMSG_DONE:

      curl_easy_getinfo(message->easy_handle, CURLINFO_EFFECTIVE_URL,

      /* Do not use message data after calling curl_multi_remove_handle() and

                        &done_url);

         curl_easy_cleanup(). As per curl_multi_info_read() docs:

      curl_easy_getinfo(message->easy_handle, CURLINFO_PRIVATE, &file);

         "WARNING: The data the returned pointer points to will not survive

         calling curl_multi_cleanup, curl_multi_remove_handle or

         curl_easy_cleanup." */

      easy_handle = message->easy_handle;



      curl_easy_getinfo(easy_handle, CURLINFO_EFFECTIVE_URL, &done_url);

      curl_easy_getinfo(easy_handle, CURLINFO_PRIVATE, &file);

      printf("%s DONE\n", done_url);

      printf("%s DONE\n", done_url);





      curl_multi_remove_handle(curl_handle, message->easy_handle);

      curl_multi_remove_handle(curl_handle, easy_handle);

      curl_easy_cleanup(message->easy_handle);

      curl_easy_cleanup(easy_handle);

      if(file) {

      if(file) {

        fclose(file);

        fclose(file);

      }

      }