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53 lines
1.4 KiB
Groff
53 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from curl_unescape.md
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.TH curl_unescape 3 "2024-07-29" libcurl
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.SH NAME
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curl_unescape \- URL decode a 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 *input, int length);
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.fi
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.SH DESCRIPTION
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Deprecated. Use \fIcurl_easy_unescape(3)\fP instead.
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This function converts the URL encoded string \fBinput\fP to a "plain string"
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and return that as a new allocated string. All input characters that are URL
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encoded (%XX where XX is a two\-digit hexadecimal number) are converted to
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their plain text versions.
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If the \fBlength\fP argument is set to 0, \fIcurl_unescape(3)\fP calls
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strlen() on \fBinput\fP 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 PROTOCOLS
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This functionality affects all supported protocols
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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char *decoded = curl_unescape("%63%75%72%6c", 12);
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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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}
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.fi
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.SH DEPRECATED
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Since 7.15.4, \fIcurl_easy_unescape(3)\fP should be used. This function might
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be removed in a future release.
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.SH AVAILABILITY
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Added in curl 7.1
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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 RFC 2396,
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.BR curl_easy_escape (3),
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.BR curl_easy_unescape (3),
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.BR curl_free (3)
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