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curl_url_get.md: clarify queries and fragments and CURLU_GET_EMPTY

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Follow-up to 3eac21d86bc5

Closes #13407
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Daniel Stenberg 2024-04-18 14:39:21 +02:00
parent 3e16c97fe9
commit 229c144fe8
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1 changed files with 14 additions and 6 deletions
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docs/libcurl/curl_url_get.md
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@ -129,12 +129,15 @@ nothing following the hash sign.
## CURLUPART_URL
When asked to return the full URL, curl_url_get(3) returns a normalized
and possibly cleaned up version using all available URL parts.
When asked to return the full URL, curl_url_get(3) returns a normalized and
possibly cleaned up version using all available URL parts.
We advise using the *CURLU_PUNYCODE* option to get the URL as "normalized"
as possible since IDN allows hostnames to be written in many different ways
that still end up the same punycode version.
We advise using the *CURLU_PUNYCODE* option to get the URL as "normalized" as
possible since IDN allows hostnames to be written in many different ways that
still end up the same punycode version.
Zero-length queries and fragments are excluded from the URL unless
CURLU_GET_EMPTY is set.
## CURLUPART_SCHEME
@ -181,7 +184,8 @@ The initial question mark that denotes the beginning of the query part is a
delimiter only. It is not part of the query contents.
A not-present query returns *part* set to NULL.
A zero-length query returns *part* as a zero-length string.
A zero-length query returns *part* as NULL unless CURLU_GET_EMPTY is set.
The query part gets pluses converted to space when asked to URL decode on get
with the CURLU_URLDECODE bit.
@ -191,6 +195,10 @@ with the CURLU_URLDECODE bit.
The initial hash sign that denotes the beginning of the fragment is a
delimiter only. It is not part of the fragment contents.
A not-present fragment returns *part* set to NULL.
A zero-length fragment returns *part* as NULL unless CURLU_GET_EMPTY is set.
# EXAMPLE
~~~c