1 /* Charset conversion with out-of-memory checking. 2 Copyright (C) 2001-2004, 2006 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 _XSTRICONV_H 20 #define _XSTRICONV_H 21 22 #include <stddef.h> 23 #if HAVE_ICONV 24 #include <iconv.h> 25 #endif 26 27 28 #ifdef __cplusplus 29 extern "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 should initially contain NULL or a malloced memory block. 39 May change the size of the allocated memory block in *RESULTP, storing 40 its new address in *RESULTP and its new length in *LENGTHP. 41 Upon memory allocation failure, report the error and exit. 42 Return value: 0 if successful, otherwise -1 and errno set. 43 If successful, the resulting string is stored in *RESULTP and its length 44 in *LENGTHP. */ 45 extern int xmem_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 Upon memory allocation failure, report the error and exit. 55 Return value: the freshly allocated resulting NUL-terminated string if 56 successful, otherwise NULL and errno set. */ 57 extern char * xstr_cd_iconv (const char *src, iconv_t cd); 58 59 #endif 60 61 /* Convert an entire string from one encoding to another, using iconv. 62 The original string is the NUL-terminated string starting at SRC. 63 Both the "from" and the "to" encoding must use a single NUL byte at the 64 end of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32). 65 Allocate a malloced memory block for the result. 66 Upon memory allocation failure, report the error and exit. 67 Return value: the freshly allocated resulting NUL-terminated string if 68 successful, otherwise NULL and errno set. */ 69 extern char * xstr_iconv (const char *src, 70 const char *from_codeset, const char *to_codeset); 71 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 78 #endif /* _XSTRICONV_H */ 79