CURLMOPT_PUSHFUNCTION.3: added example

.SH PROTOCOLS

HTTP(S) (HTTP/2 only)

.SH EXAMPLE

TODO

.nf

/* only allow pushes for file names starting with "push-" */

int push_callback(CURL *parent,

                  CURL *easy,

                  size_t num_headers,

                  struct curl_pushheaders *headers,

                  void *userp)

{

  char *headp;

  int *transfers = (int *)userp;

  char filename[128];

  FILE *out;

  headp = curl_pushheader_byname(headers, ":path");

  if(headp && !strncmp(headp, "/push-", 6)) {

    fprintf(stderr, "The PATH is %s\n", headp);

    /* save the push here */

    out = fopen("pushed-stream", "wb");

    /* write to this file */

    curl_easy_setopt(easy, CURLOPT_WRITEDATA, out);

    (*transfers)++; /* one more */

    return CURL_PUSH_OK;

  }

  return CURL_PUSH_DENY;

}

curl_multi_setopt(multi, CURLMOPT_PUSHFUNCTION, push_callback);

curl_multi_setopt(multi, CURLMOPT_PUSHDATA, &counter);

.fi

.SH AVAILABILITY

Added in 7.44.0

.SH RETURN VALUE