urlapi: add CURLU_PUNYCODE

Allows curl_url_get() get the punycode version of host names for the
host name and URL parts.

Extend test 1560 to verify.

Closes #10109

1 files changed, 2 insertions, 0 deletions

diff --git a/include/curl/urlapi.h b/include/curl/urlapi.h
index e15c213cc..9e21df165 100644
--- a/include/curl/urlapi.h
+++ b/include/curl/urlapi.h
@@ -62,6 +62,7 @@ typedef enum {
   CURLUE_BAD_SCHEME,          /* 27 */
   CURLUE_BAD_SLASHES,         /* 28 */
   CURLUE_BAD_USER,            /* 29 */
+  CURLUE_LACKS_IDN,           /* 30 */
   CURLUE_LAST
 } CURLUcode;
 
@@ -95,6 +96,7 @@ typedef enum {
 #define CURLU_NO_AUTHORITY (1<<10)      /* Allow empty authority when the
                                            scheme is unknown. */
 #define CURLU_ALLOW_SPACE (1<<11)       /* Allow spaces in the URL */
+#define CURLU_PUNYCODE (1<<12)          /* get the host name in pynycode */
 
 typedef struct Curl_URL CURLU;