Imported Upstream version 0.9.1upstream/0.9.1

1 files changed, 169 insertions, 0 deletions

diff --git a/lib/uniconv.h b/lib/uniconv.h
new file mode 100644
index 00000000..223386fc
--- /dev/null
+++ b/lib/uniconv.h
@@ -0,0 +1,169 @@
+/* Conversions between Unicode and legacy encodings.
+   Copyright (C) 2002, 2005, 2007, 2009 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _UNICONV_H
+#define _UNICONV_H
+
+/* Get size_t.  */
+#include <stddef.h>
+
+#include "unitypes.h"
+
+/* Get enum iconv_ilseq_handler.  */
+#include <unistring/iconveh.h>
+
+/* Get locale_charset() declaration.  */
+#include <unistring/localcharset.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Converts an entire string, possibly including NUL bytes, from one encoding
+   to a Unicode encoding.
+   Converts a memory region given in encoding FROMCODE.  FROMCODE is as for
+   iconv_open(3).
+   The input is in the memory region between SRC (inclusive) and SRC + SRCLEN
+   (exclusive).
+   If OFFSETS is not NULL, it should point to an array of SRCLEN integers; this
+   array is filled with offsets into the result, i.e. the character starting
+   at SRC[i] corresponds to the character starting at (*RESULTP)[OFFSETS[i]],
+   and other offsets are set to (size_t)(-1).
+   RESULTBUF and *LENGTHP should initially be a scratch buffer and its size,
+   or *RESULTBUF can be NULL.
+   May erase the contents of the memory at RESULTBUF.
+   If successful: The resulting Unicode string (non-NULL) is returned and its
+   length stored in *LENGTHP.  The resulting string is RESULTBUF if no dynamic
+   memory allocation was necessary, or a freshly allocated memory block
+   otherwise.
+   In case of error: NULL is returned and errno is set.  Particular errno
+   values: EINVAL, EILSEQ, ENOMEM.  */
+extern uint8_t *
+       u8_conv_from_encoding (const char *fromcode,
+			      enum iconv_ilseq_handler handler,
+			      const char *src, size_t srclen,
+			      size_t *offsets,
+			      uint8_t *resultbuf, size_t *lengthp);
+extern uint16_t *
+       u16_conv_from_encoding (const char *fromcode,
+			       enum iconv_ilseq_handler handler,
+			       const char *src, size_t srclen,
+			       size_t *offsets,
+			       uint16_t *resultbuf, size_t *lengthp);
+extern uint32_t *
+       u32_conv_from_encoding (const char *fromcode,
+			       enum iconv_ilseq_handler handler,
+			       const char *src, size_t srclen,
+			       size_t *offsets,
+			       uint32_t *resultbuf, size_t *lengthp);
+
+/* Converts an entire Unicode string, possibly including NUL units, from a
+   Unicode encoding to a given encoding.
+   Converts a memory region to encoding TOCODE.  TOCODE is as for
+   iconv_open(3).
+   The input is in the memory region between SRC (inclusive) and SRC + SRCLEN
+   (exclusive).
+   If OFFSETS is not NULL, it should point to an array of SRCLEN integers; this
+   array is filled with offsets into the result, i.e. the character starting
+   at SRC[i] corresponds to the character starting at (*RESULTP)[OFFSETS[i]],
+   and other offsets are set to (size_t)(-1).
+   RESULTBUF and *LENGTHP should initially be a scratch buffer and its size,
+   or RESULTBUF can be NULL.
+   May erase the contents of the memory at RESULTBUF.
+   If successful: The resulting string (non-NULL) is returned and its length
+   stored in *LENGTHP.  The resulting string is RESULTBUF if no dynamic memory
+   allocation was necessary, or a freshly allocated memory block otherwise.
+   In case of error: NULL is returned and errno is set.  Particular errno
+   values: EINVAL, EILSEQ, ENOMEM.  */
+extern char *
+       u8_conv_to_encoding (const char *tocode,
+			    enum iconv_ilseq_handler handler,
+			    const uint8_t *src, size_t srclen,
+			    size_t *offsets,
+			    char *resultbuf, size_t *lengthp);
+extern char *
+       u16_conv_to_encoding (const char *tocode,
+			     enum iconv_ilseq_handler handler,
+			     const uint16_t *src, size_t srclen,
+			     size_t *offsets,
+			     char *resultbuf, size_t *lengthp);
+extern char *
+       u32_conv_to_encoding (const char *tocode,
+			     enum iconv_ilseq_handler handler,
+			     const uint32_t *src, size_t srclen,
+			     size_t *offsets,
+			     char *resultbuf, size_t *lengthp);
+
+/* Converts a NUL terminated string from a given encoding.
+   The result is malloc allocated, or NULL (with errno set) in case of error.
+   Particular errno values: EILSEQ, ENOMEM.  */
+extern uint8_t *
+       u8_strconv_from_encoding (const char *string,
+				 const char *fromcode,
+				 enum iconv_ilseq_handler handler);
+extern uint16_t *
+       u16_strconv_from_encoding (const char *string,
+				  const char *fromcode,
+				  enum iconv_ilseq_handler handler);
+extern uint32_t *
+       u32_strconv_from_encoding (const char *string,
+				  const char *fromcode,
+				  enum iconv_ilseq_handler handler);
+
+/* Converts a NUL terminated string to a given encoding.
+   The result is malloc allocated, or NULL (with errno set) in case of error.
+   Particular errno values: EILSEQ, ENOMEM.  */
+extern char *
+       u8_strconv_to_encoding (const uint8_t *string,
+			       const char *tocode,
+			       enum iconv_ilseq_handler handler);
+extern char *
+       u16_strconv_to_encoding (const uint16_t *string,
+				const char *tocode,
+				enum iconv_ilseq_handler handler);
+extern char *
+       u32_strconv_to_encoding (const uint32_t *string,
+				const char *tocode,
+				enum iconv_ilseq_handler handler);
+
+/* Converts a NUL terminated string from the locale encoding.
+   The result is malloc allocated, or NULL (with errno set) in case of error.
+   Particular errno values: ENOMEM.  */
+extern uint8_t *
+       u8_strconv_from_locale (const char *string);
+extern uint16_t *
+       u16_strconv_from_locale (const char *string);
+extern uint32_t *
+       u32_strconv_from_locale (const char *string);
+
+/* Converts a NUL terminated string to the locale encoding.
+   The result is malloc allocated, or NULL (with errno set) in case of error.
+   Particular errno values: ENOMEM.  */
+extern char *
+       u8_strconv_to_locale (const uint8_t *string);
+extern char *
+       u16_strconv_to_locale (const uint16_t *string);
+extern char *
+       u32_strconv_to_locale (const uint32_t *string);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _UNICONV_H */