#include "curl_setup.h"
#ifdef USE_WIN32_IDN
#include "curl_multibyte.h"
#include "curl_memory.h"
#include "warnless.h"
#include "memdebug.h"
#ifdef WANT_IDN_PROTOTYPES
# if defined(_SAL_VERSION)
WINNORMALIZEAPI int WINAPI
IdnToAscii(_In_ DWORD dwFlags,
_In_reads_(cchUnicodeChar) LPCWSTR lpUnicodeCharStr,
_In_ int cchUnicodeChar,
_Out_writes_opt_(cchASCIIChar) LPWSTR lpASCIICharStr,
_In_ int cchASCIIChar);
WINNORMALIZEAPI int WINAPI
IdnToUnicode(_In_ DWORD dwFlags,
_In_reads_(cchASCIIChar) LPCWSTR lpASCIICharStr,
_In_ int cchASCIIChar,
_Out_writes_opt_(cchUnicodeChar) LPWSTR lpUnicodeCharStr,
_In_ int cchUnicodeChar);
# else
WINBASEAPI int WINAPI IdnToAscii(DWORD dwFlags,
const WCHAR *lpUnicodeCharStr,
int cchUnicodeChar,
WCHAR *lpASCIICharStr,
int cchASCIIChar);
WINBASEAPI int WINAPI IdnToUnicode(DWORD dwFlags,
const WCHAR *lpASCIICharStr,
int cchASCIIChar,
WCHAR *lpUnicodeCharStr,
int cchUnicodeChar);
# endif
#endif
#define IDN_MAX_LENGTH 255
bool curl_win32_idn_to_ascii(const char *in, char **out);
bool curl_win32_ascii_to_idn(const char *in, char **out);
bool curl_win32_idn_to_ascii(const char *in, char **out)
{
bool success = FALSE;
wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
if(in_w) {
wchar_t punycode[IDN_MAX_LENGTH];
int chars = IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH);
free(in_w);
if(chars) {
*out = Curl_convert_wchar_to_UTF8(punycode);
if(*out)
success = TRUE;
}
}
return success;
}
bool curl_win32_ascii_to_idn(const char *in, char **out)
{
bool success = FALSE;
wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
if(in_w) {
size_t in_len = wcslen(in_w) + 1;
wchar_t unicode[IDN_MAX_LENGTH];
int chars = IdnToUnicode(0, in_w, curlx_uztosi(in_len),
unicode, IDN_MAX_LENGTH);
free(in_w);
if(chars) {
*out = Curl_convert_wchar_to_UTF8(unicode);
if(*out)
success = TRUE;
}
}
return success;
}
#endif