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.TH curl_url_get 3 "March 27, 2021" "libcurl 7.77.0" "libcurl Manual"

.SH NAME
curl_url_get - extract a part from a URL
.SH SYNOPSIS
.B #include <curl/curl.h>

.nf
CURLUcode curl_url_get(CURLU *url,
                       CURLUPart what,
                       char **part,
                       unsigned int flags)
.fi
.SH DESCRIPTION
Given the \fIurl\fP handle of an already parsed URL, this function lets the
user extract individual pieces from it.

The \fIwhat\fP argument should be the particular part to extract (see list
below) and \fIpart\fP points to a 'char *' to get updated to point to a newly
allocated string with the contents.

The \fIflags\fP argument is a bitmask with individual features.

The returned part pointer must be freed with \fIcurl_free(3)\fP after use.
.SH FLAGS
The flags argument is zero, one or more bits set in a bitmask.
.IP CURLU_DEFAULT_PORT
If the handle has no port stored, this option will make \fIcurl_url_get(3)\fP
return the default port for the used scheme.
.IP CURLU_DEFAULT_SCHEME
If the handle has no scheme stored, this option will make
\fIcurl_url_get(3)\fP return the default scheme instead of error.
.IP CURLU_NO_DEFAULT_PORT
Instructs \fIcurl_url_get(3)\fP to not return a port number if it matches the
default port for the scheme.
.IP CURLU_URLDECODE
Asks \fIcurl_url_get(3)\fP to URL decode the contents before returning it. It
will not attempt to decode the scheme, the port number or the full URL.

The query component will also get plus-to-space conversion as a bonus when
this bit is set.

Note that this URL decoding is charset unaware and you will get a zero
terminated string back with data that could be intended for a particular
encoding.

If there's any byte values lower than 32 in the decoded string, the get
operation will return an error instead.
.SH PARTS
.IP CURLUPART_URL
When asked to return the full URL, \fIcurl_url_get(3)\fP will return a
normalized and possibly cleaned up version of what was previously parsed.
.IP CURLUPART_SCHEME
Scheme cannot be URL decoded on get.
.IP CURLUPART_USER
.IP CURLUPART_PASSWORD
.IP CURLUPART_OPTIONS
.IP CURLUPART_HOST
The host name. If it is an IPv6 numeric address, the zoneid will not be part
of it but is provided separately in \fICURLUPART_ZONEID\fP. IPv6 numerical
addresses are returned within brackets ([]).
.IP CURLUPART_ZONEID
If the host name is a numeric IPv6 address, this field might also be set.
.IP CURLUPART_PORT
Port cannot be URL decoded on get.
.IP CURLUPART_PATH
.IP CURLUPART_QUERY
The query part will also get pluses converted to space when asked to URL
decode on get with the CURLU_URLDECODE bit.
.IP CURLUPART_FRAGMENT
.SH RETURN VALUE
Returns a CURLUcode error value, which is CURLUE_OK (0) if everything went
fine.

If this function returns an error, no URL part is returned.
.SH EXAMPLE
.nf
  CURLUcode rc;
  CURLU *url = curl_url();
  rc = curl_url_set(url, CURLUPART_URL, "https://example.com", 0);
  if(!rc) {
    char *scheme;
    rc = curl_url_get(url, CURLUPART_SCHEME, &scheme, 0);
    if(!rc) {
      printf("the scheme is %s\\n", scheme);
      curl_free(scheme);
    }
    curl_url_cleanup(url);
  }
.fi
.SH AVAILABILITY
Added in curl 7.62.0. CURLUPART_ZONEID was added in 7.65.0.
.SH "SEE ALSO"
.BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_set "(3), "
.BR curl_url_dup "(3), " CURLOPT_CURLU "(3), "
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