CURLMOPT_PUSHDATA - Online Linux Manual PageSection : 3
Updated : November 04, 2020
Source : libcurl 7.82.0
Note : curl_multi_setopt options

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NAMECURLMOPT_PUSHDATA − pointer to pass to push callback

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

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DESCRIPTIONSet 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.

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DEFAULTNULL

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PROTOCOLSHTTP(S)

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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);

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AVAILABILITYAdded in 7.44.0

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RETURN VALUEReturns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.

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SEE ALSOCURLMOPT_PUSHFUNCTION(3), CURLMOPT_PIPELINING (3)," CURLOPT_PIPEWAIT(3)," RFC7540 0

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ERROR : Need New Coding :         (rof_nr_x|149|CURLMOPT_PUSHDATA.3|55|\n", headp);| fprintf(stderr, "The PATH is %s\\n", headp); )    

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