NAME

       curl_easy_escape - URL encodes the given string

SYNOPSIS

       #include <curl/curl.h>

       char *curl_easy_escape(CURL *curl, const char *string, int length);

DESCRIPTION

       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.   This  function  does  not  accept  input  strings  longer  than
       CURL_MAX_INPUT_LENGTH (8 MB).

       Since 7.82.0, the curl parameter is ignored. Prior to that there was per-handle  character
       conversion  support  for some very old operating systems such as TPF, but it was otherwise
       ignored.

       You must curl_free(3) the returned string when you are done with it.

ENCODING

       libcurl is  typically  not  aware  of,  nor  does  it  care  about,  character  encodings.
       curl_easy_escape(3)  encodes  the  data  byte-by-byte into the URL encoded version without
       knowledge or care for what particular character encoding the application or the  receiving
       server may assume that the data uses.

       The  caller  of curl_easy_escape(3) must make sure that the data passed in to the function
       is encoded correctly.

EXAMPLE

       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_cleanup(curl);
       }

AVAILABILITY

       Added in 7.15.4 and replaces the old curl_escape(3) function.

RETURN VALUE

       A pointer to a null-terminated string or NULL if it failed.

SEE ALSO

       curl_easy_unescape(3), curl_free(3), RFC3986