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49 lines
1.3 KiB
Groff
49 lines
1.3 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_REFERER.md
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.TH CURLINFO_REFERER 3 "2024-06-01" libcurl
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.SH NAME
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CURLINFO_REFERER \- get the used referrer request header
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_REFERER, char **hdrp);
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.fi
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.SH DESCRIPTION
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Pass in a pointer to a char pointer and get the referrer header used in the
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most recent request.
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The \fBhdrp\fP pointer is NULL or points to private memory you MUST NOT free \-
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it gets freed when you call \fIcurl_easy_cleanup(3)\fP on the corresponding
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CURL handle.
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.SH PROTOCOLS
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HTTP
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.SH EXAMPLE
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.nf
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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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curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.org/referrer");
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res = curl_easy_perform(curl);
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if(res == CURLE_OK) {
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char *hdr = NULL;
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curl_easy_getinfo(curl, CURLINFO_REFERER, &hdr);
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if(hdr)
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printf("Referrer header: %s\\n", hdr);
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.76.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLOPT_REFERER (3),
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.BR curl_easy_getinfo (3),
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.BR curl_easy_header (3),
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.BR curl_easy_setopt (3)
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