CURLINFO_HEADER_SIZE(3)

CURLINFO_HEADER_SIZE3

Get size of retrieved headers

Usage

#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HEADER_SIZE, long *sizep);

Overview

Pass a pointer to a long to receive the total size of all the headers received. Measured in number of bytes.

The total includes the size of any received headers suppressed by CURLOPT_SUPPRESS_CONNECT_HEADERS(3).

Protocols

All

Examples

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
    res = curl_easy_perform(curl);
    if(res == CURLE_OK) {
      long size;
      res = curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size);
      if(!res)
        printf("Header size: %ld bytes\n", size);
    }
    curl_easy_cleanup(curl);
  }
}

Return value

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

Releases

66 releases since macOS 10.12; the text changed 12 times.

  1. 10.12–10.12.5
  2. 10.12.6–10.14.6
  3. 10.15–11.5
  4. 12.0.1–12.2
  5. 12.3–12.5
  6. 13.0
  7. 13.1
  8. 13.2
  9. 13.3
  10. 13.4
  11. 13.5–14.1
  12. 14.2–14.4
  13. 14.5–26.5

Availability

Added in 7.4.1

From curl 166.0.0.0.1 in macOS 26.5. Parsed by carta from the page's man source.