Sortix volatile manual
This manual documents Sortix volatile, a development build that has not been officially released. You can instead view this document in the latest official manual.
CURLOPT_PROGRESSFUNCTION(3) | libcurl | CURLOPT_PROGRESSFUNCTION(3) |
NAME
CURLOPT_PROGRESSFUNCTION - progress meter callbackSYNOPSIS
#include <curl/curl.h>
int progress_callback(void *clientp,
double dltotal,
double dlnow,
double ultotal,
double ulnow);
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROGRESSFUNCTION,
progress_callback);
DESCRIPTION
Pass a pointer to your callback function, which should match the prototype shown above.DEFAULT
By default, libcurl has an internal progress meter. That is rarely wanted by users.PROTOCOLS
AllEXAMPLE
struct progress {
char *private;
size_t size;
};
static size_t progress_callback(void *clientp,
double dltotal,
double dlnow,
double ultotal,
double ulnow)
{
struct progress *memory = clientp;
printf("private: %p\n", memory->private);
/* use the values */
return 0; /* all is good */
}
int main(void)
{
struct progress data;
CURL *curl = curl_easy_init();
if(curl) {
/* pass struct to callback */
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &data);
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
curl_easy_perform(curl);
}
}
AVAILABILITY
Deprecated since 7.32.0.RETURN VALUE
Returns CURLE_OK.SEE ALSO
CURLOPT_VERBOSE(3), CURLOPT_NOPROGRESS(3), CURLOPT_XFERINFOFUNCTION(3)December 4, 2023 | ibcurl 8.5.0 |