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Diffstat (limited to 'lib/striconveha.h')
-rw-r--r-- | lib/striconveha.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/striconveha.h b/lib/striconveha.h new file mode 100644 index 00000000..c88eb52f --- /dev/null +++ b/lib/striconveha.h @@ -0,0 +1,95 @@ +/* Character set conversion with error handling and autodetection. + Copyright (C) 2002, 2005, 2007-2009 Free Software Foundation, Inc. + Written by Bruno Haible. + + 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 _STRICONVEHA_H +#define _STRICONVEHA_H + +#include <stdbool.h> +#include <stddef.h> + +#include "iconveh.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Convert an entire string from one encoding to another, using iconv. + The original string is at [SRC,...,SRC+SRCLEN-1]. + The "from" encoding can also be a name defined for autodetection. + If TRANSLITERATE is true, transliteration will attempted to avoid conversion + errors, for iconv implementations that support this. Usually you'll choose + TRANSLITERATE = true if HANDLER != iconveh_error. + 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. */ +extern int + mem_iconveha (const char *src, size_t srclen, + const char *from_codeset, const char *to_codeset, + bool transliterate, + enum iconv_ilseq_handler handler, + size_t *offsets, + 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. + 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). + The "from" encoding can also be a name defined for autodetection. + If TRANSLITERATE is true, transliteration will attempted to avoid conversion + errors, for iconv implementations that support this. Usually you'll choose + TRANSLITERATE = true if HANDLER != iconveh_error. + Allocate a malloced memory block for the result. + Return value: the freshly allocated resulting NUL-terminated string if + successful, otherwise NULL and errno set. */ +extern char * + str_iconveha (const char *src, + const char *from_codeset, const char *to_codeset, + bool transliterate, + enum iconv_ilseq_handler handler); + + +/* In the above, FROM_CODESET can also be one of the following values: + "autodetect_utf8" supports ISO-8859-1 and UTF-8 + "autodetect_jp" supports EUC-JP, ISO-2022-JP-2 and SHIFT_JIS + "autodetect_kr" supports EUC-KR and ISO-2022-KR + More names can be defined for autodetection. */ + +/* Registers an encoding name for autodetection. + TRY_IN_ORDER is a NULL terminated list of encodings to be tried. + Returns 0 upon success, or -1 (with errno set) in case of error. + Particular errno values: ENOMEM. */ +extern int + uniconv_register_autodetect (const char *name, + const char * const *try_in_order); + + +#ifdef __cplusplus +} +#endif + + +#endif /* _STRICONVEHA_H */ |