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+/* 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#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 */