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CURLMOPT_PUSHDATA(3)       curl_multi_setopt options      CURLMOPT_PUSHDATA(3)

NAME

CURLMOPT_PUSHDATA - pointer to pass to push callback

SYNOPSIS

#include <curl/curl.h> CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_PUSHDATA, void *pointer);

DESCRIPTION

Set pointer to pass as the last argument to the CURLMOPT_PUSHFUNCTION(3) callback. The pointer will not be touched or used by libcurl itself, only passed on to the callback function.

DEFAULT

NULL

PROTOCOLS

HTTP(S)

EXAMPLE

/* 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; 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);

AVAILABILITY

Added in 7.44.0

RETURN VALUE

Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.

SEE ALSO

CURLMOPT_PUSHFUNCTION(3), CURLMOPT_PIPELINING(3), CURLOPT_PIPEWAIT(3), RFC7540 libcurl 7.65.1 May 27, 2017 CURLMOPT_PUSHDATA(3)

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