curl_url_get(3) libcurl Manual curl_url_get(3)
NAME
curl_url_get - extract a part from a URL
SYNOPSIS
#include <curl/curl.h>
CURLUcode curl_url_get(CURLU *url,
CURLUPart what,
char **part,
unsigned int flags)
DESCRIPTION
Given the url handle of an already parsed URL, this function lets the
user extract individual pieces from it.
The what argument should be the particular part to extract (see list
below) and part points to a 'char *' to get updated to point to a newly
allocated string with the contents.
The flags argument is a bitmask with individual features.
The returned part pointer must be freed with _free§ion=3">curl_free(3) after use.
FLAGS
The flags argument is zero, one or more bits set in a bitmask.
CURLU_DEFAULT_PORT
If the handle has no port stored, this option will make
_url_get§ion=3">curl_url_get(3) return the default port for the used scheme.
CURLU_DEFAULT_SCHEME
If the handle has no scheme stored, this option will make
_url_get§ion=3">curl_url_get(3) return the default scheme instead of error.
CURLU_NO_DEFAULT_PORT
Instructs _url_get§ion=3">curl_url_get(3) to not return a port number if it
matches the default port for the scheme.
CURLU_URLDECODE
Asks _url_get§ion=3">curl_url_get(3) 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.
PARTS
CURLUPART_URL
When asked to return the full URL, _url_get§ion=3">curl_url_get(3) will return a
normalized and possibly cleaned up version of what was
previously parsed.
CURLUPART_SCHEME
Scheme cannot be URL decoded on get.
CURLUPART_USER
CURLUPART_PASSWORD
CURLUPART_OPTIONS
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
CURLUPART_ZONEID. IPv6 numerical addresses are returned within
brackets ([]).
CURLUPART_ZONEID
If the host name is a numeric IPv6 address, this field might
also be set.
CURLUPART_PORT
Port cannot be URL decoded on get.
CURLUPART_PATH
CURLUPART_QUERY
The query part will also get pluses converted to space when
asked to URL decode on get with the CURLU_URLDECODE bit.
CURLUPART_FRAGMENT
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.
EXAMPLE
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);
}
AVAILABILITY
Added in curl 7.62.0. CURLUPART_ZONEID was added in 7.65.0.
SEE ALSO
curl_url_cleanup(3), curl_url(3), curl_url_set(3), curl_url_dup(3),
CURLOPT_CURLU(3),
libcurl 7.77.0 March 27, 2021 curl_url_get(3)
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