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Daniel Stenberg e3fe020089

docs/libcurl: generate PROTOCOLS from meta-data

Remove the PROTOCOLS section from the source files completely and
instead generate them based on the header data in the curldown files.

It also generates TLS backend information for options marked for TLS as
protocol.

Closes #13175

2024-03-23 18:13:03 +01:00

1.5 KiB

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SPDX-License-Identifier

Title

Section

Source

See-also

Protocol

curl

CURLOPT_MAX_RECV_SPEED_LARGE

libcurl

CURLOPT_LOW_SPEED_LIMIT (3)

CURLOPT_MAX_SEND_SPEED_LARGE (3)

CURLOPT_TIMEOUT (3)

All

NAME

CURLOPT_MAX_RECV_SPEED_LARGE - rate limit data download speed

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAX_RECV_SPEED_LARGE,
                          curl_off_t maxspeed);

DESCRIPTION

Pass a curl_off_t as parameter. If a download exceeds this maxspeed (counted in bytes per second) the transfer pauses to keep the average speed less than or equal to the parameter value. Defaults to unlimited speed.

This is not an exact science. libcurl attempts to keep the average speed below the given threshold over a period time.

If you set maxspeed to a value lower than CURLOPT_BUFFERSIZE(3), libcurl might download faster than the set limit initially.

This option does not affect transfer speeds done with FILE:// URLs.

DEFAULT

0, disabled

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode ret;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    /* cap the download speed to 31415 bytes/sec */
    curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, (curl_off_t)31415);
    ret = curl_easy_perform(curl);
  }
}

AVAILABILITY

Added in 7.15.5

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

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