CURLOPT_PROGRESSDATA - Online Linux Manual PageSection : 3
Updated : November 26, 2021
Source : libcurl 7.82.0
Note : curl_easy_setopt options

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NAMECURLOPT_PROGRESSDATA − pointer passed to the progress callback

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SYNOPSIS#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROGRESSDATA, void *pointer);

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DESCRIPTIONPass a pointer that will be untouched by libcurl and passed as the first argument in the progress callback set with CURLOPT_PROGRESSFUNCTION(3).

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DEFAULTThe default value of this parameter is NULL.

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PROTOCOLSAll

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EXAMPLE struct progress { char *private; size_t size; }; static size_t progress_callback(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow) { struct memory *progress = (struct progress *)userp; /* use the values */ return 0; /* all is good */ } struct progress data; /* pass struct to callback */ curl_easy_setopt(curl_handle, CURLOPT_PROGRESSDATA, &data); curl_easy_setopt(curl_handle, CURLOPT_PROGRESSFUNCTION, progress_callback);

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AVAILABILITYAlways

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RETURN VALUEReturns CURLE_OK

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SEE ALSOCURLOPT_PROGRESSFUNCTION(3), CURLOPT_XFERINFOFUNCTION (3)," 0

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