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57 lines
1.6 KiB
Groff
57 lines
1.6 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_CONTENT_TYPE.md
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.TH CURLINFO_CONTENT_TYPE 3 "2024-06-01" libcurl
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.SH NAME
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CURLINFO_CONTENT_TYPE \- get Content\-Type
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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_CONTENT_TYPE, char **ct);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a char pointer to receive the content\-type of the downloaded
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object. This is the value read from the Content\-Type: field. If you get NULL,
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it means that the server did not send a valid Content\-Type header or that the
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protocol used does not support this.
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The \fBct\fP pointer is set to NULL or pointing to private memory. You MUST
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NOT free it \- it gets freed when you call \fIcurl_easy_cleanup(3)\fP on the
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corresponding CURL handle.
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The modern way to get this header from a response is to instead use the
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\fIcurl_easy_header(3)\fP function.
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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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res = curl_easy_perform(curl);
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if(!res) {
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/* extract the content-type */
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char *ct = NULL;
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res = curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &ct);
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if(!res && ct) {
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printf("Content-Type: %s\\n", ct);
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}
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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 7.9.4
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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_HEADERFUNCTION (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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