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/* idna.h --- Prototypes for Internationalized Domain Name library.

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This file is part of GNU Libidn.

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GNU Libidn is free software: you can redistribute it and/or

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modify it under the terms of either:

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* the GNU Lesser General Public License as published by the Free

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Software Foundation; either version 3 of the License, or (at

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your option) any later version.

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* the GNU General Public License as published by the Free

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Software Foundation; either version 2 of the License, or (at

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your option) any later version.

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or both in parallel, as here.

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GNU Libidn is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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General Public License for more details.

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You should have received copies of the GNU General Public License and

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the GNU Lesser General Public License along with this program. If

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not, see <http://www.gnu.org/licenses/>. */

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#ifndef IDNA_H

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# define IDNA_H

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# ifndef IDNAPI

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# if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY

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# define IDNAPI __attribute__((__visibility__("default")))

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# elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC

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# define IDNAPI __declspec(dllexport)

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# elif defined _MSC_VER && ! defined LIBIDN_STATIC

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# define IDNAPI __declspec(dllimport)

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# else

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# define IDNAPI

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# endif

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# endif

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# include <stddef.h> /* size_t */

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# include <idn-int.h> /* uint32_t */

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# ifdef __cplusplus

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extern "C"

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{

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# endif

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/* Error codes. */

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typedef enum

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{

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IDNA_SUCCESS = 0,

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IDNA_STRINGPREP_ERROR = 1,

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IDNA_PUNYCODE_ERROR = 2,

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IDNA_CONTAINS_NON_LDH = 3,

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/* Workaround typo in earlier versions. */

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IDNA_CONTAINS_LDH = IDNA_CONTAINS_NON_LDH,

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IDNA_CONTAINS_MINUS = 4,

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IDNA_INVALID_LENGTH = 5,

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IDNA_NO_ACE_PREFIX = 6,

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IDNA_ROUNDTRIP_VERIFY_ERROR = 7,

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IDNA_CONTAINS_ACE_PREFIX = 8,

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IDNA_ICONV_ERROR = 9,

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/* Internal errors. */

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IDNA_MALLOC_ERROR = 201,

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IDNA_DLOPEN_ERROR = 202

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} Idna_rc;

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/* IDNA flags */

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typedef enum

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{

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IDNA_ALLOW_UNASSIGNED = 0x0001,

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IDNA_USE_STD3_ASCII_RULES = 0x0002

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} Idna_flags;

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# ifndef IDNA_ACE_PREFIX

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# define IDNA_ACE_PREFIX "xn--"

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# endif

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extern IDNAPI const char *idna_strerror (Idna_rc rc);

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/* Core functions */

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extern IDNAPI int idna_to_ascii_4i (const uint32_t * in, size_t inlen,

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char *out, int flags);

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extern IDNAPI int idna_to_unicode_44i (const uint32_t * in, size_t inlen,

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uint32_t * out, size_t * outlen,

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int flags);

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/* Wrappers that handle several labels */

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extern IDNAPI int idna_to_ascii_4z (const uint32_t * input,

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char **output, int flags);

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extern IDNAPI int idna_to_ascii_8z (const char *input, char **output,

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int flags);

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extern IDNAPI int idna_to_ascii_lz (const char *input, char **output,

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int flags);

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extern IDNAPI int idna_to_unicode_4z4z (const uint32_t * input,

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uint32_t ** output, int flags);

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extern IDNAPI int idna_to_unicode_8z4z (const char *input,

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uint32_t ** output, int flags);

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extern IDNAPI int idna_to_unicode_8z8z (const char *input,

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char **output, int flags);

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extern IDNAPI int idna_to_unicode_8zlz (const char *input,

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char **output, int flags);

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extern IDNAPI int idna_to_unicode_lzlz (const char *input,

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char **output, int flags);

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# ifdef __cplusplus

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}

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# endif

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#endif /* IDNA_H */

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