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66 lines
2.4 KiB
Groff
66 lines
2.4 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.TH curl_unescape 3 "22 March 2001" "libcurl 7.7" "libcurl Manual"
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.SH NAME
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curl_unescape - URL decodes the given string
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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char *curl_unescape( const char *url, int length);
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.fi
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.SH DESCRIPTION
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Obsolete function. Use \fIcurl_easy_unescape(3)\fP instead!
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This function will convert the given URL encoded input string to a "plain
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string" and return that as a new allocated string. All input characters that
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are URL encoded (%XX where XX is a two-digit hexadecimal number) will be
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converted to their plain text versions.
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If the 'length' argument is set to 0, \fIcurl_unescape(3)\fP will use strlen()
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on the input \fBurl\fP string to find out the size.
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You must \fIcurl_free(3)\fP the returned string when you are done with it.
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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int decodelen;
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char *decoded = curl_unescape("%63%75%72%6c", 12, &decodelen);
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if(decoded) {
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/* do not assume printf() works on the decoded data! */
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printf("Decoded: ");
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/* ... */
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curl_free(decoded);
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}
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}
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.fi
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.SH AVAILABILITY
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Since 7.15.4, \fIcurl_easy_unescape(3)\fP should be used. This function will
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be removed in a future release.
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.SH RETURN VALUE
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A pointer to a null-terminated string or NULL if it failed.
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.SH "SEE ALSO"
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.BR curl_easy_escape "(3)," curl_easy_unescape "(3)," curl_free "(3)," RFC 2396
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