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Diffstat (limited to 'libidn/punycode.h')
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diff --git a/libidn/punycode.h b/libidn/punycode.h deleted file mode 100644 index b73d76dd18..0000000000 --- a/libidn/punycode.h +++ /dev/null @@ -1,214 +0,0 @@ -/* punycode.h Declarations for punycode functions. - * Copyright (C) 2002, 2003 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/>. - */ - -/* - * This file is derived from RFC 3492bis written by Adam M. Costello. - * - * Disclaimer and license: Regarding this entire document or any - * portion of it (including the pseudocode and C code), the author - * makes no guarantees and is not responsible for any damage resulting - * from its use. The author grants irrevocable permission to anyone - * to use, modify, and distribute it in any way that does not diminish - * the rights of anyone else to use, modify, and distribute it, - * provided that redistributed derivative works do not contain - * misleading author or version information. Derivative works need - * not be licensed under similar terms. - * - * Copyright (C) The Internet Society (2003). All Rights Reserved. - * - * This document and translations of it may be copied and furnished to - * others, and derivative works that comment on or otherwise explain it - * or assist in its implementation may be prepared, copied, published - * and distributed, in whole or in part, without restriction of any - * kind, provided that the above copyright notice and this paragraph are - * included on all such copies and derivative works. However, this - * document itself may not be modified in any way, such as by removing - * the copyright notice or references to the Internet Society or other - * Internet organizations, except as needed for the purpose of - * developing Internet standards in which case the procedures for - * copyrights defined in the Internet Standards process must be - * followed, or as required to translate it into languages other than - * English. - * - * The limited permissions granted above are perpetual and will not be - * revoked by the Internet Society or its successors or assigns. - * - * This document and the information contained herein is provided on an - * "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING - * TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION - * HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef _PUNYCODE_H -#define _PUNYCODE_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -#include <stddef.h> /* size_t */ -#include <stdint.h> /* uint32_t */ - - enum punycode_status - { - punycode_success = 0, - punycode_bad_input = 1, /* Input is invalid. */ - punycode_big_output = 2, /* Output would exceed the space provided. */ - punycode_overflow = 3 /* Wider integers needed to process input. */ - }; - - typedef enum - { - PUNYCODE_SUCCESS = punycode_success, - PUNYCODE_BAD_INPUT = punycode_bad_input, - PUNYCODE_BIG_OUTPUT = punycode_big_output, - PUNYCODE_OVERFLOW = punycode_overflow - } Punycode_status; - -/* punycode_uint needs to be unsigned and needs to be */ -/* at least 26 bits wide. */ - - typedef uint32_t punycode_uint; - - extern int punycode_encode (size_t input_length, - const punycode_uint input[], - const unsigned char case_flags[], - size_t * output_length, char output[]); - -/* - punycode_encode() converts a sequence of code points (presumed to be - Unicode code points) to Punycode. - - Input arguments (to be supplied by the caller): - - input_length - The number of code points in the input array and the number - of flags in the case_flags array. - - input - An array of code points. They are presumed to be Unicode - code points, but that is not strictly REQUIRED. The - array contains code points, not code units. UTF-16 uses - code units D800 through DFFF to refer to code points - 10000..10FFFF. The code points D800..DFFF do not occur in - any valid Unicode string. The code points that can occur in - Unicode strings (0..D7FF and E000..10FFFF) are also called - Unicode scalar values. - - case_flags - A null pointer or an array of boolean values parallel to - the input array. Nonzero (true, flagged) suggests that the - corresponding Unicode character be forced to uppercase after - being decoded (if possible), and zero (false, unflagged) - suggests that it be forced to lowercase (if possible). - ASCII code points (0..7F) are encoded literally, except that - ASCII letters are forced to uppercase or lowercase according - to the corresponding case flags. If case_flags is a null - pointer then ASCII letters are left as they are, and other - code points are treated as unflagged. - - Output arguments (to be filled in by the function): - - output - An array of ASCII code points. It is *not* null-terminated; - it will contain zeros if and only if the input contains - zeros. (Of course the caller can leave room for a - terminator and add one if needed.) - - Input/output arguments (to be supplied by the caller and overwritten - by the function): - - output_length - The caller passes in the maximum number of ASCII code points - that it can receive. On successful return it will contain - the number of ASCII code points actually output. - - Return value: - - Can be any of the punycode_status values defined above except - punycode_bad_input. If not punycode_success, then output_size - and output might contain garbage. -*/ - - extern int punycode_decode (size_t input_length, - const char input[], - size_t * output_length, - punycode_uint output[], - unsigned char case_flags[]); - -/* - punycode_decode() converts Punycode to a sequence of code points - (presumed to be Unicode code points). - - Input arguments (to be supplied by the caller): - - input_length - The number of ASCII code points in the input array. - - input - An array of ASCII code points (0..7F). - - Output arguments (to be filled in by the function): - - output - An array of code points like the input argument of - punycode_encode() (see above). - - case_flags - A null pointer (if the flags are not needed by the caller) - or an array of boolean values parallel to the output array. - Nonzero (true, flagged) suggests that the corresponding - Unicode character be forced to uppercase by the caller (if - possible), and zero (false, unflagged) suggests that it - be forced to lowercase (if possible). ASCII code points - (0..7F) are output already in the proper case, but their - flags will be set appropriately so that applying the flags - would be harmless. - - Input/output arguments (to be supplied by the caller and overwritten - by the function): - - output_length - The caller passes in the maximum number of code points - that it can receive into the output array (which is also - the maximum number of flags that it can receive into the - case_flags array, if case_flags is not a null pointer). On - successful return it will contain the number of code points - actually output (which is also the number of flags actually - output, if case_flags is not a null pointer). The decoder - will never need to output more code points than the number - of ASCII code points in the input, because of the way the - encoding is defined. The number of code points output - cannot exceed the maximum possible value of a punycode_uint, - even if the supplied output_length is greater than that. - - Return value: - - Can be any of the punycode_status values defined above. If not - punycode_success, then output_length, output, and case_flags - might contain garbage. -*/ - -#ifdef __cplusplus -} -#endif -#endif /* _PUNYCODE_H */ |