Annotation of embedaddon/curl/docs/libcurl/curl_url_get.3, revision 1.1.1.1
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22: .TH curl_url_get 3 "September 25, 2019" "libcurl 7.70.0" "libcurl Manual"
23:
24: .SH NAME
25: curl_url_get - extract a part from a URL
26: .SH SYNOPSIS
27: .B #include <curl/curl.h>
28:
29: .nf
30: CURLUcode curl_url_get(CURLU *url,
31: CURLUPart what,
32: char **part,
33: unsigned int flags)
34: .fi
35: .SH DESCRIPTION
36: Given the \fIurl\fP handle of an already parsed URL, this function lets the
37: user extract individual pieces from it.
38:
39: The \fIwhat\fP argument should be the particular part to extract (see list
40: below) and \fIpart\fP points to a 'char *' to get updated to point to a newly
41: allocated string with the contents.
42:
43: The \fIflags\fP argument is a bitmask with individual features.
44:
45: The returned part pointer must be freed with \fIcurl_free(3)\fP after use.
46: .SH FLAGS
47: The flags argument is zero, one or more bits set in a bitmask.
48: .IP CURLU_DEFAULT_PORT
49: If the handle has no port stored, this option will make \fIcurl_url_get(3)\fP
50: return the default port for the used scheme.
51: .IP CURLU_DEFAULT_SCHEME
52: If the handle has no scheme stored, this option will make
53: \fIcurl_url_get(3)\fP return the default scheme instead of error.
54: .IP CURLU_NO_DEFAULT_PORT
55: Instructs \fIcurl_url_get(3)\fP to not return a port number if it matches the
56: default port for the scheme.
57: .IP CURLU_URLDECODE
58: Asks \fIcurl_url_get(3)\fP to URL decode the contents before returning it. It
59: will not attempt to decode the scheme, the port number or the full URL.
60:
61: The query component will also get plus-to-space conversion as a bonus when
62: this bit is set.
63:
64: Note that this URL decoding is charset unaware and you will get a zero
65: terminated string back with data that could be intended for a particular
66: encoding.
67:
68: If there's any byte values lower than 32 in the decoded string, the get
69: operation will return an error instead.
70: .SH PARTS
71: .IP CURLUPART_URL
72: When asked to return the full URL, \fIcurl_url_get(3)\fP will return a
73: normalized and possibly cleaned up version of what was previously parsed.
74: .IP CURLUPART_SCHEME
75: Scheme cannot be URL decoded on get.
76: .IP CURLUPART_USER
77: .IP CURLUPART_PASSWORD
78: .IP CURLUPART_OPTIONS
79: .IP CURLUPART_HOST
80: The host name. If it is an IPv6 numeric address, the zoneid will not be part
81: of it but is provided separately in \fICURLUPART_ZONEID\fP. IPv6 numerical
82: addresses are returned within brackets ([]).
83: .IP CURLUPART_ZONEID
84: If the host name is a numeric IPv6 address, this field might also be set.
85: .IP CURLUPART_PORT
86: Port cannot be URL decoded on get.
87: .IP CURLUPART_PATH
88: .IP CURLUPART_QUERY
89: The query part will also get pluses converted to space when asked to URL
90: decode on get with the CURLU_URLDECODE bit.
91: .IP CURLUPART_FRAGMENT
92: .SH RETURN VALUE
93: Returns a CURLUcode error value, which is CURLUE_OK (0) if everything went
94: fine.
95:
96: If this function returns an error, no URL part is returned.
97: .SH EXAMPLE
98: .nf
99: CURLUcode rc;
100: CURLU *url = curl_url();
101: rc = curl_url_set(url, CURLUPART_URL, "https://example.com", 0);
102: if(!rc) {
103: char *scheme;
104: rc = curl_url_get(url, CURLUPART_SCHEME, &scheme, 0);
105: if(!rc) {
106: printf("the scheme is %s\\n", scheme);
107: curl_free(scheme);
108: }
109: curl_url_cleanup(url);
110: }
111: .fi
112: .SH AVAILABILITY
113: Added in curl 7.62.0. CURLUPART_ZONEID was added in 7.65.0.
114: .SH "SEE ALSO"
115: .BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_set "(3), "
116: .BR curl_url_dup "(3), "
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