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Diffstat (limited to 'gnulib/lib/striconveh.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/striconveh.h | 140 |
2 files changed, 140 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/striconveh.h b/gnulib/lib/striconveh.h new file mode 100644 index 0000000..dd6b604 --- /dev/null +++ b/gnulib/lib/striconveh.h @@ -0,0 +1,140 @@ +/* Character set conversion with error handling. + Copyright (C) 2001-2007, 2009-2011 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 _STRICONVEH_H +#define _STRICONVEH_H + +#include <stddef.h> +#if HAVE_ICONV +#include <iconv.h> +#endif + +#include "iconveh.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +#if HAVE_ICONV + +/* A conversion descriptor for use by the iconveh functions. */ +typedef struct + { + /* Conversion descriptor from FROM_CODESET to TO_CODESET, or (iconv_t)(-1) + if the system does not support a direct conversion from FROM_CODESET to + TO_CODESET. */ + iconv_t cd; + /* Conversion descriptor from FROM_CODESET to UTF-8 (or (iconv_t)(-1) if + FROM_CODESET is UTF-8). */ + iconv_t cd1; + /* Conversion descriptor from UTF-8 to TO_CODESET (or (iconv_t)(-1) if + TO_CODESET is UTF-8). */ + iconv_t cd2; + } + iconveh_t; + +/* Open a conversion descriptor for use by the iconveh functions. + If successful, fills *CDP and returns 0. Upon failure, return -1 with errno + set. */ +extern int + iconveh_open (const char *to_codeset, const char *from_codeset, + iconveh_t *cdp); + +/* Close a conversion descriptor created by iconveh_open(). + Return value: 0 if successful, otherwise -1 and errno set. */ +extern int + iconveh_close (const iconveh_t *cd); + +/* Convert an entire string from one encoding to another, using iconv. + The original string is at [SRC,...,SRC+SRCLEN-1]. + CD points to the conversion descriptor from FROMCODE to TOCODE, created by + the function iconveh_open(). + 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_cd_iconveh (const char *src, size_t srclen, + const iconveh_t *cd, + 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. + CD points to the conversion descriptor from FROMCODE to TOCODE, created by + the function iconveh_open(). + 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. + Return value: the freshly allocated resulting NUL-terminated string if + successful, otherwise NULL and errno set. */ +extern char * + str_cd_iconveh (const char *src, + const iconveh_t *cd, + enum iconv_ilseq_handler handler); + +#endif + +/* Convert an entire string from one encoding to another, using iconv. + The original string is at [SRC,...,SRC+SRCLEN-1]. + 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_iconveh (const char *src, size_t srclen, + const char *from_codeset, const char *to_codeset, + 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). + 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_iconveh (const char *src, + const char *from_codeset, const char *to_codeset, + enum iconv_ilseq_handler handler); + + +#ifdef __cplusplus +} +#endif + + +#endif /* _STRICONVEH_H */ |