66 lines
1.2 KiB
Markdown
66 lines
1.2 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLINFO_HEADER_SIZE
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Section: 3
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Source: libcurl
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See-also:
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- CURLINFO_REQUEST_SIZE (3)
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- CURLINFO_SIZE_DOWNLOAD (3)
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- curl_easy_getinfo (3)
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- curl_easy_setopt (3)
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---
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# NAME
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CURLINFO_HEADER_SIZE - get size of retrieved headers
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HEADER_SIZE, long *sizep);
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~~~
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# DESCRIPTION
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Pass a pointer to a long to receive the total size of all the headers
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received. Measured in number of bytes.
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The total includes the size of any received headers suppressed by
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CURLOPT_SUPPRESS_CONNECT_HEADERS(3).
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# PROTOCOLS
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All
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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if(res == CURLE_OK) {
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long size;
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res = curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size);
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if(!res)
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printf("Header size: %ld bytes\n", size);
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}
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.4.1
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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