/* Conversions between Unicode and legacy encodings.
Copyright (C) 2002, 2005, 2007 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU Library General Public License as published
- by the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- USA. */
+ 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
size_t *offsets,
uint32_t **resultp, 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).
+ *RESULTP and *LENGTH should initially be a scratch buffer and its size,
+ or *RESULTP can initially be NULL.
+ May erase the contents of the memory at *RESULTP.
+ Return value: 0 if successful, otherwise -1 and errno set.
+ If successful: The resulting string is stored in *RESULTP and its length
+ in *LENGTHP. *RESULTP is set to a freshly allocated memory block, or is
+ unchanged if no dynamic memory allocation was necessary.
+ Particular errno values: EINVAL, EILSEQ, ENOMEM. */
+extern int
+ u8_conv_to_encoding (const char *tocode,
+ enum iconv_ilseq_handler handler,
+ const uint8_t *src, size_t srclen,
+ size_t *offsets,
+ char **resultp, size_t *lengthp);
+extern int
+ u16_conv_to_encoding (const char *tocode,
+ enum iconv_ilseq_handler handler,
+ const uint16_t *src, size_t srclen,
+ size_t *offsets,
+ char **resultp, size_t *lengthp);
+extern int
+ u32_conv_to_encoding (const char *tocode,
+ enum iconv_ilseq_handler handler,
+ const uint32_t *src, size_t srclen,
+ size_t *offsets,
+ char **resultp, 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. */