OpenGrok

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* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel (at] haxx.se>, et al.
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* 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.haxx.se/docs/copyright.html.
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curl_easy_escape - URL encodes the given string #include <curl/curl.h> "char *curl_easy_escape( CURL *" curl ", const char *" string ", int "length " );" .ad This function converts the given input string to a URL encoded string and returns that as a new allocated string. All input characters that are not a-z, A-Z, 0-9, '-', '.', '_' or '~' are converted to their "URL escaped" version (%NN where NN is a two-digit hexadecimal number). If length is set to 0 (zero), curl_easy_escape(3) uses strlen() on the input string to find out the size. You must curl_free(3) the returned string when you're done with it. Added in 7.15.4 and replaces the old curl_escape(3) function. A pointer to a zero terminated string or NULL if it failed.

CURL *curl = curl_easy_init();
if(curl) {
 char *output = curl_easy_escape(curl, "data to convert", 15);
 if(output) {
 printf("Encoded: %s\\n", output);
 curl_free(output);
 }
}

curl_easy_unescape "(3), " curl_free "(3), " RFC 3986