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Update libcurl

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Glenn Smith 2022-09-03 01:31:41 -04:00
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.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.se/docs/copyright.html.
.\" *
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
.\" * copies of the Software, and permit persons to whom the Software is
.\" * furnished to do so, under the terms of the COPYING file.
.\" *
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
.\" * KIND, either express or implied.
.\" *
.\" * SPDX-License-Identifier: curl
.\" *
.\" **************************************************************************
.TH curl_unescape 3 "May 17, 2022" "libcurl 7.85.0" "libcurl Manual"
.SH NAME
curl_unescape - URL decodes the given string
.SH SYNOPSIS
.nf
#include <curl/curl.h>
char *curl_unescape( const char *url, int length);
.fi
.SH DESCRIPTION
Obsolete function. Use \fIcurl_easy_unescape(3)\fP instead!
This function will convert the given URL encoded input string to a "plain
string" and return that as a new allocated string. All input characters that
are URL encoded (%XX where XX is a two-digit hexadecimal number) will be
converted to their plain text versions.
If the 'length' argument is set to 0, curl_unescape() will use strlen() on the
input 'url' string to find out the size.
You must \fIcurl_free(3)\fP the returned string when you are done with it.
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
int decodelen;
char *decoded = curl_unescape("%63%75%72%6c", 12, &decodelen);
if(decoded) {
/* do not assume printf() works on the decoded data! */
printf("Decoded: ");
/* ... */
curl_free(decoded);
}
}
.fi
.SH AVAILABILITY
Since 7.15.4, \fIcurl_easy_unescape(3)\fP should be used. This function will
be removed in a future release.
.SH RETURN VALUE
A pointer to a null-terminated string or NULL if it failed.
.SH "SEE ALSO"
.BR curl_easy_escape "(3)," curl_easy_unescape "(3)," curl_free "(3)," RFC 2396