1/* Charset conversion. 2 Copyright (C) 2001-2004, 2006-2007 Free Software Foundation, Inc. 3 Written by Bruno Haible and Simon Josefsson. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software Foundation, 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19#ifndef _STRICONV_H 20#define _STRICONV_H 21 22#include <stddef.h> 23#if HAVE_ICONV 24#include <iconv.h> 25#endif 26 27 28#ifdef __cplusplus 29extern "C" { 30#endif 31 32 33#if HAVE_ICONV 34 35/* Convert an entire string from one encoding to another, using iconv. 36 The original string is at [SRC,...,SRC+SRCLEN-1]. 37 The conversion descriptor is passed as CD. 38 *RESULTP and *LENGTH should initially be a scratch buffer and its size, 39 or *RESULTP can initially be NULL. 40 May erase the contents of the memory at *RESULTP. 41 Return value: 0 if successful, otherwise -1 and errno set. 42 If successful: The resulting string is stored in *RESULTP and its length 43 in *LENGTHP. *RESULTP is set to a freshly allocated memory block, or is 44 unchanged if no dynamic memory allocation was necessary. */ 45extern int mem_cd_iconv (const char *src, size_t srclen, iconv_t cd, 46 char **resultp, size_t *lengthp); 47 48/* Convert an entire string from one encoding to another, using iconv. 49 The original string is the NUL-terminated string starting at SRC. 50 The conversion descriptor is passed as CD. Both the "from" and the "to" 51 encoding must use a single NUL byte at the end of the string (i.e. not 52 UCS-2, UCS-4, UTF-16, UTF-32). 53 Allocate a malloced memory block for the result. 54 Return value: the freshly allocated resulting NUL-terminated string if 55 successful, otherwise NULL and errno set. */ 56extern char * str_cd_iconv (const char *src, iconv_t cd); 57 58#endif 59 60/* Convert an entire string from one encoding to another, using iconv. 61 The original string is the NUL-terminated string starting at SRC. 62 Both the "from" and the "to" encoding must use a single NUL byte at the 63 end of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32). 64 Allocate a malloced memory block for the result. 65 Return value: the freshly allocated resulting NUL-terminated string if 66 successful, otherwise NULL and errno set. */ 67extern char * str_iconv (const char *src, 68 const char *from_codeset, const char *to_codeset); 69 70 71#ifdef __cplusplus 72} 73#endif 74 75 76#endif /* _STRICONV_H */ 77