/* idna.h Declarations for IDNA. * Copyright (C) 2002, 2003, 2004 Simon Josefsson * * This file is part of GNU Libidn. * * GNU Libidn is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * GNU Libidn is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with GNU Libidn; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _IDNA_H #define _IDNA_H #ifdef __cplusplus extern "C" { #endif #include <stddef.h> /* size_t */ #include <stdint.h> /* uint32_t */ /* Error codes. */ typedef enum { IDNA_SUCCESS = 0, IDNA_STRINGPREP_ERROR = 1, IDNA_PUNYCODE_ERROR = 2, IDNA_CONTAINS_NON_LDH = 3, /* Workaround typo in earlier versions. */ IDNA_CONTAINS_LDH = IDNA_CONTAINS_NON_LDH, IDNA_CONTAINS_MINUS = 4, IDNA_INVALID_LENGTH = 5, IDNA_NO_ACE_PREFIX = 6, IDNA_ROUNDTRIP_VERIFY_ERROR = 7, IDNA_CONTAINS_ACE_PREFIX = 8, IDNA_ICONV_ERROR = 9, /* Internal errors. */ IDNA_MALLOC_ERROR = 201, IDNA_DLOPEN_ERROR = 202 } Idna_rc; /* IDNA flags */ typedef enum { IDNA_ALLOW_UNASSIGNED = 0x0001, IDNA_USE_STD3_ASCII_RULES = 0x0002 } Idna_flags; #ifndef IDNA_ACE_PREFIX #define IDNA_ACE_PREFIX "xn--" #endif /* Core functions */ extern int idna_to_ascii_4i (const uint32_t * in, size_t inlen, char *out, int flags); extern int idna_to_unicode_44i (const uint32_t * in, size_t inlen, uint32_t * out, size_t * outlen, int flags); /* Wrappers that handle several labels */ extern int idna_to_ascii_4z (const uint32_t * input, char **output, int flags); extern int idna_to_ascii_8z (const char *input, char **output, int flags); extern int idna_to_ascii_lz (const char *input, char **output, int flags); extern int idna_to_unicode_4z4z (const uint32_t * input, uint32_t ** output, int flags); extern int idna_to_unicode_8z4z (const char *input, uint32_t ** output, int flags); extern int idna_to_unicode_8z8z (const char *input, char **output, int flags); extern int idna_to_unicode_8zlz (const char *input, char **output, int flags); extern int idna_to_unicode_lzlz (const char *input, char **output, int flags); #ifdef __cplusplus } #endif #endif /* _PUNYCODE_H */