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/* Copyright (c) 2011, 2018 Ben Noordhuis <info@bnoordhuis.nl>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef UV_SRC_IDNA_H_
#define UV_SRC_IDNA_H_

/* Decode a single codepoint. Returns the codepoint or UINT32_MAX on error.
 * |p| is updated on success _and_ error, i.e., bad multi-byte sequences are
 * skipped in their entirety, not just the first bad byte.
 */
unsigned uv__utf8_decode1(const char** p, const char* pe);

/* Convert a UTF-8 domain name to IDNA 2008 / Punycode. A return value >= 0
 * is the number of bytes written to |d|, including the trailing nul byte.
 * A return value < 0 is a libuv error code. |s| and |d| can not overlap.
 */
long uv__idna_toascii(const char* s, const char* se, char* d, char* de);

#endif  /* UV_SRC_IDNA_H_ */