76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
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/* Charset conversion.
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Copyright (C) 2001-2004, 2006-2007, 2009-2020 Free Software Foundation, Inc.
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Written by Bruno Haible and Simon Josefsson.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifndef _STRICONV_H
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#define _STRICONV_H
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#include <stddef.h>
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#if HAVE_ICONV
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#include <iconv.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if HAVE_ICONV
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/* Convert an entire string from one encoding to another, using iconv.
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The original string is at [SRC,...,SRC+SRCLEN-1].
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The conversion descriptor is passed as CD.
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*RESULTP and *LENGTH should initially be a scratch buffer and its size,
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or *RESULTP can initially be NULL.
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May erase the contents of the memory at *RESULTP.
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Return value: 0 if successful, otherwise -1 and errno set.
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If successful: The resulting string is stored in *RESULTP and its length
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in *LENGTHP. *RESULTP is set to a freshly allocated memory block, or is
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unchanged if no dynamic memory allocation was necessary. */
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extern int mem_cd_iconv (const char *src, size_t srclen, iconv_t cd,
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char **resultp, size_t *lengthp);
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/* Convert an entire string from one encoding to another, using iconv.
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The original string is the NUL-terminated string starting at SRC.
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The conversion descriptor is passed as CD. Both the "from" and the "to"
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encoding must use a single NUL byte at the end of the string (i.e. not
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UCS-2, UCS-4, UTF-16, UTF-32).
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Allocate a malloced memory block for the result.
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Return value: the freshly allocated resulting NUL-terminated string if
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successful, otherwise NULL and errno set. */
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extern char * str_cd_iconv (const char *src, iconv_t cd);
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#endif
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/* Convert an entire string from one encoding to another, using iconv.
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The original string is the NUL-terminated string starting at SRC.
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Both the "from" and the "to" encoding must use a single NUL byte at the
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end of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32).
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Allocate a malloced memory block for the result.
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Return value: the freshly allocated resulting NUL-terminated string if
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successful, otherwise NULL and errno set. */
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extern char * str_iconv (const char *src,
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const char *from_codeset, const char *to_codeset);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _STRICONV_H */
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