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CURLOPT_LOW_SPEED_LIMIT(3) Library Functions Manual CURLOPT_LOW_SPEED_LIMIT(3) NAME CURLOPT_LOW_SPEED_LIMIT - low speed limit in bytes per second SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_LOW_SPEED_LIMIT, long speedlimit); DESCRIPTION Pass a long as parameter. It contains the average transfer speed in bytes per second that the transfer should be below during CUR- LOPT_LOW_SPEED_TIME(3) seconds for libcurl to consider it to be too slow and abort. DEFAULT 0, disabled PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); /* abort if slower than 30 bytes/sec during 60 seconds */ curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, 60L); curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, 30L); result = curl_easy_perform(curl); if(result == CURLE_OPERATION_TIMEDOUT) { printf("Timeout.\n"); } /* always cleanup */ curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.1 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_LOW_SPEED_TIME(3), CURLOPT_MAX_RECV_SPEED_LARGE(3), CUR- LOPT_MAX_SEND_SPEED_LARGE(3), CURLOPT_TIMEOUT(3) libcurl 2026-07-30 CURLOPT_LOW_SPEED_LIMIT(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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