/usr/include/idna.h is in libidn11-dev 1.23-2ubuntu0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* idna.h --- Declarations for Internationalized Domain Name in Applications.
* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
* 2011 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#ifndef IDNA_H
# define IDNA_H
# ifndef IDNAPI
# if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
# define IDNAPI __attribute__((__visibility__("default")))
# elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
# define IDNAPI __declspec(dllexport)
# elif defined _MSC_VER && ! defined LIBIDN_STATIC
# define IDNAPI __declspec(dllimport)
# else
# define IDNAPI
# endif
# endif
# include <stddef.h> /* size_t */
# include <idn-int.h> /* uint32_t */
# ifdef __cplusplus
extern "C"
{
# endif
/* 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
extern IDNAPI const char *idna_strerror (Idna_rc rc);
/* Core functions */
extern IDNAPI int idna_to_ascii_4i (const uint32_t * in, size_t inlen,
char *out, int flags);
extern IDNAPI 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 IDNAPI int idna_to_ascii_4z (const uint32_t * input,
char **output, int flags);
extern IDNAPI int idna_to_ascii_8z (const char *input, char **output,
int flags);
extern IDNAPI int idna_to_ascii_lz (const char *input, char **output,
int flags);
extern IDNAPI int idna_to_unicode_4z4z (const uint32_t * input,
uint32_t ** output, int flags);
extern IDNAPI int idna_to_unicode_8z4z (const char *input,
uint32_t ** output, int flags);
extern IDNAPI int idna_to_unicode_8z8z (const char *input,
char **output, int flags);
extern IDNAPI int idna_to_unicode_8zlz (const char *input,
char **output, int flags);
extern IDNAPI int idna_to_unicode_lzlz (const char *input,
char **output, int flags);
# ifdef __cplusplus
}
# endif
#endif /* IDNA_H */
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