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Diffstat (limited to 'lib/xstriconv.h')
-rw-r--r-- | lib/xstriconv.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/xstriconv.h b/lib/xstriconv.h new file mode 100644 index 0000000..72b2aa3 --- /dev/null +++ b/lib/xstriconv.h @@ -0,0 +1,78 @@ +/* Charset conversion with out-of-memory checking. + Copyright (C) 2001-2004, 2006-2007, 2009-2010 Free Software Foundation, Inc. + Written by Bruno Haible and Simon Josefsson. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef _XSTRICONV_H +#define _XSTRICONV_H + +#include <stddef.h> +#if HAVE_ICONV +#include <iconv.h> +#endif + + +#ifdef __cplusplus +extern "C" { +#endif + + +#if HAVE_ICONV + +/* Convert an entire string from one encoding to another, using iconv. + The original string is at [SRC,...,SRC+SRCLEN-1]. + The conversion descriptor is passed as CD. + *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. + Upon memory allocation failure, report the error and exit. + 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. */ +extern int xmem_cd_iconv (const char *src, size_t srclen, iconv_t cd, + char **resultp, size_t *lengthp); + +/* Convert an entire string from one encoding to another, using iconv. + The original string is the NUL-terminated string starting at SRC. + The conversion descriptor is passed as CD. Both the "from" and the "to" + encoding must use a single NUL byte at the end of the string (i.e. not + UCS-2, UCS-4, UTF-16, UTF-32). + Allocate a malloced memory block for the result. + Upon memory allocation failure, report the error and exit. + Return value: the freshly allocated resulting NUL-terminated string if + successful, otherwise NULL and errno set. */ +extern char * xstr_cd_iconv (const char *src, iconv_t cd); + +#endif + +/* Convert an entire string from one encoding to another, using iconv. + The original string is the NUL-terminated string starting at SRC. + Both the "from" and the "to" encoding must use a single NUL byte at the + end of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32). + Allocate a malloced memory block for the result. + Upon memory allocation failure, report the error and exit. + Return value: the freshly allocated resulting NUL-terminated string if + successful, otherwise NULL and errno set. */ +extern char * xstr_iconv (const char *src, + const char *from_codeset, const char *to_codeset); + + +#ifdef __cplusplus +} +#endif + + +#endif /* _XSTRICONV_H */ |