curl_easy_escape man page

## 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 uses strlen() on the input string to find out the size.

You must curl_free the returned string when you're done with it.

## AVAILABILITY

Added in 7.15.4 and replaces the old curl_escape function.

## RETURN VALUE

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

## 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);
      }
    }

## SEE ALSO

curl_easy_unescape, curl_free, RFC 3986

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